All Wiring Diagrams for Mercedes-Benz C300 Sport 4Matic 2012 model

AIR CONDITIONING

Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (-)
• (center console) rear blower motor
• +12v
• 12v
• Ac housing
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• Can b h
• Can b l
• Computer data lines system
• Data
• Data fond
• Evaporator temperature sensor (c-class: under right side of dash) (glk-class: right side dash)
• Front electrical prefuse box (right rear engine compt)
• Fuse 100a
• Fuse 50a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ circuit-15 relay energized
• Hot w/ quiescent current cutout relay energized
• Lin b8
• Mg1
• Mr1
• Ntc
• Rear sam control unit w/fuse & relay module (left side trunk/cargo area)
• Rear window heater button
• Red
• Sig
• Sun sensor (top center of dash)
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W18/3 (under driver seat)
• X18/35-c1
• X18/35-c2
• X18/40

Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz C300 Sport 4Matic 2012:

• (if equipped) rear air outlet symbol illumination
• (right rear engine compt) emissions sensor
• 12v
• 58d
• Data
• Dew point sensor (c-class: right rear of engine compt)
• Diffuse flap actuator motor (c-class: upper center of heater system air circulation unit) (glk-class: hvac assembly)
• Fresh air/ recirculation air flap actuator motor (right side heater system air circulation unit)
• Front electrical prefuse box (c-class: at right rear engine compt) (glk-class: right rear engine compt)
• Fuse 150a
• Gnd
• Hot at all times
• Left blending air flap actuator (left side heater system air circulation unit)
• Left center air outlet symbol illumination
• Left center outlet flap actuator motor (c-class: lower left front of heater system air circulation unit) (glk-class: hvac assembly)
• Left defroster vent flap actuator motor (upper left side of heater system air circulation unit)
• Left front side air outlet symbol illumination
• Mr6
• Nca
• Ptc heater booster
• Ram air flap actuator motor (c-class: upper right side of heater system air circulation unit) (glk-class: hvac assembly)
• Rear automatic air conditioning operating unit
• Red
• Right blending air flap actuator (right side heater system air circulation unit)
• Right center air outlet symbol illumination
• Right center outlet flap actuator motor (c-class: lower right front of heater system air circulation unit) (glk-class: hvac assembly)
• Right defroster vent flap actuator motor (upper left side of heater system air circulation unit)
• Right footwell flap actuator motor (c-class: lower right side of heater system air circulation unit) (glk-class: right side heater system air circulation unit
• Right front side air outlet symbol illumination
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W15/9 (c-class: top of left kick panel)
• X18/35-c1

Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz C300 Sport 4Matic 2012:

• (glk-class: behind radiator) combustion engine & a/c w/ integrated control fan motor
• (left front engine compt) purge control valve
• (left rear engine) coolant temperature sensor
• (right side steering column) interior temperature sensor
• (top center engine) me-sfi (me) control module
• 1.8l turbo
• 12v
• 3.0l & 3.0l flex fuel
• 3.5l & 3.5l flex fuel
• C13d
• C14m
• C17c
• C18m
• C21m
• C3m
• C4i
• C5c
• Coolant circulation pump (right side of engine compt)
• Coolant thermostat
• Engine controls system
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 15a
• Fuse 7.5a
• Gnd
• Hot w/ engine circuit 87 relay energized
• Interior temperature sensor w/ integrated fan
• Left footwell flap actuator motor (c-class: lower left side of heater system air circulation unit) (g-class: hvac) assembly)
• Leus
• Ntc
• Nwg m2
• Overhead control panel electronics (w/ overhead control panel w/o can) (c-class: center rear of trunk)
• Rear blend air flap actuator motor (c-class: lower left side of heater system air circulation unit) (glk-class: right side heater system air circulation unit)
• Red
• Refrigerant compressor (left front of engine)
• Refrigerant pressure sensor (bottom left side radiator condenser)
• Reg
• Sig
• Solid state
• Ths
• Tmot
• Usa
• W15/5 (left front footwell)
• W16/3 (left side engine compt)
• W16/4 (right side of engine compt)
• W9 (left front wheelhouse)
• X15/12
• X26-c1

Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (-)
• +12v
• 12v
• 30g
• Ac housing
• Air distribution flap actuator (lower left side heater system air circulation unit)
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• Can b h
• Can b l
• Computer data lines system
• Defroster vent flap actuator motor (glk class: upper left side heater system air circulation unit)
• Evaporator temperature sensor (right side dash)
• Front electrical prefuse box (right rear engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Gnd
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Left blending air flap actuator (left side heater system air circulation unit)
• Left center air outlet symbol illumination
• Left front side air outlet symbol illumination
• Lin b8
• Lin data
• Mg1
• Mr6
• Nca
• Ntc
• Ptc heater booster
• Rear window heater button
• Red
• Right blending air flap actuator (right side heater system air circulation unit)
• Right center air outlet symbol illumination
• Right front side air outlet symbol illumination
• Sig
• Sun sensor (top center dash)
• W/ air outlet symbol illumination
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W15/9 (c-class: top of left kick panel)
• X18/40

Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (glk-class: behind radiator) combustion engine & a/c w/ integrated control fan motor
• (if equipped) rear air outlet symbol illumination
• (right side steering column) interior temperature sensor
• 1.8l turbo
• 12v
• 3.0l & 3.0l flex fuel
• 3.5l & 3.5l flex fuel
• C11c
• C13d
• C14i
• C14m
• C17c
• C18m
• C21m
• C22i
• C3m
• C5c
• C7i
• C8s
• Can-b h
• Can-b l
• Computer data lines system
• Coolant temperature sensor (left rear engine)
• Engine controls system
• Fresh air/ recirculation flap actuator motor (right side heater system air circulation unit)
• Front electrical prefuse box (right rear of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Interior humidity/ temperature sensor (if equipped)
• Interior temperature sensor w/ integrated fan
• Lues
• Me-sfi (me) control module (top center engine)
• Mr1
• Nca
• Ntc
• Nwg m2
• Overhead control panel electronics (w/ overhead control panel w/o can)
• Purge control valve (left front engine compt)
• Red
• Refrigerant compressor (left front of engine)
• Refrigerant pressure sensor (bottom left side radiator condenser)
• Reg
• Solid state
• Tmot
• Usa
• W15/5 (left front footwell)
• W16/5 (left rear engine compt)
• W9 (left front wheelhouse)
• X15/12
• X18/35-c1
• X226
• X26-c1

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Anti-lock Brakes Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (-)
• (under left side of dash) stop lamp switch
• +12v
• 1.8l
• 1.8l, 3.0l, 3.0l flex fuel & 3.5l glk-class
• 3.5l c-class & 3.5l flex fuel
• 30g
• Abs ind
• Bla
• Bls 12v
• Bls h
• Bls_l
• Bls_m
• Brake vacuum sensor (w/ eco start/stop function)
• C22i
• C2i
• C7i
• Can e h
• Can e l
• Can h h
• Can h l
• Can-e h
• Can-e l
• Computer data lines system
• Df hl m
• Df hl s
• Df hr m
• Df hr s
• Df vl m
• Df vl s
• Df vr m
• Df vr s
• Eco
• Eco 12v
• Electronic stability program control unit (left front of engine compt)
• Esp warning lamp ind
• Except 1.8l
• Front axle brake pressure sensor
• Front axle intake ball valve
• Front axle switch- over valve
• Front pressure sensor
• Front sam control module w/ fuse & relay module (left rear of engine compt)
• Fuse 25a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• High pressure & return pump motor
• Hot at all times
• Hot in on or start
• Instrument cluster
• Left front axle rpm sensor (on left front steering knuckle assembly)
• Left front pressure regulator valve (hold)
• Left front pressure regulator valve (release)
• Left rear axle rpm sensor (left rear wheel hub assembly)
• Left rear pressure regulator valve (hold)
• Left rear pressure regulator valve (release)
• Nca
• Pml
• Pml 12v
• Pnk
• Power steering pump quantity control valve (if equipped)
• Rear axle intake ball valve
• Rear axle switch- over valve
• Rear pressure sensor
• Rear sam control module w/ fuse & relay module (left side of trunk/cargo area)
• Right front axle rpm sensor (on right front steering knuckle assembly)
• Right front pressure regulator valve (hold)
• Right front pressure regulator valve (release)
• Right rear axle rpm sensor (right rear wheel hub assembly)
• Right rear pressure regulator valve (hold)
• Right rear pressure regulator valve (release)
• Service brake ind lamp
• Sig
• Speed-sensitive power steering solenoid valve (if equipped) (on steering rack assembly)
• Ssk
• Taximeter electrical connector (if equipped)
• Traction system hydraulic unit
• W70 (left front of engine compt)
• X18/33
• X26
• X26-c1
• X35/6
• X35/6-c1 x35/6
• Yaw rate, lateral & longitudinal acceleration sensor (under driver's seat) (premium)

ANTI-THEFT

Anti-theft Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Anti-theft Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (c-class: integral to interior protection & tow-away protection control unit)
• (c-class: right side of trunk) (glk class: right side of cargo area/trunk) w7
• (glk class: left rear cargo panel)
• (left rear of engine compt) front sam control module w/ fuse & relay module
• 100a
• 12v
• 15m
• 56ar
• 58d
• Anti-theft alarm system indicator lamp
• Ass led
• Ass off
• C11c
• C13d
• C16s
• C22i
• C7i
• C85
• C8d
• Can-b h
• Can-b l
• Can-e h
• Can-e l
• Computer data lines system
• Emd
• Emergency call system control unit (glk class: center front of trunk/cargo area) (c-class: center front of trunk)
• Exterior lights system
• Fan relay module
• Front electrical prefuse box (right rear of engine compt)
• Function display
• Fuse
• Fuse 150a
• Fuse 17 13a
• Fuse 18 7.5a
• Fuse 7.5a
• Glk-class
• Horns system
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Info
• Info led
• Instrument cluster
• Instrument panel switch group
• Interior protection & tow-away protection control unit (if equipped) (glk class: front center interior roof) (c-class: center front of roof)
• Interior protection receiver
• Interior protection switch
• Irs led
• Irs-off
• Left engine hood contact switch (front left side of engine compt)
• Left interior protection transmitter
• Left rear window glass breakage sensor
• Lin 1
• Lin b4
• Mg1
• Mr2
• Multi-
• Nca
• Off
• Overhead control panel (w/o power glass tilting/sliding roof) (c-class: center rear of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk/cargo area)
• Rear window glass breakage sensor
• Red
• Right interior protection transmitter
• Right rear window glass breakage sensor
• Sos
• Sos led
• Stop function
• S_gb
• Towing sensor button
• W/ eco start/ stop function
• W/o eco start/
• W15/5 (glk-class) (left front footwell) w16/3 (c-class) (left side of engine compt)
• W15/5 (left front footwell)
• W6/1
• W7 (c-class: right side of trunk) (glk class: right side of cargo area/trunk)
• Ws led
• X143/3
• X18/2
• X18/37
• X8/19

BODY CONTROL MODULES

Front SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Front SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (or red)
• 12v
• 15r
• 30g
• 30z
• 49l
• 49r
• 58d
• 58l
• 58r
• 5v khd
• 87f
• 87m
• Air conditioning & engine controls systems
• Air conditioning system
• Anst
• Anti-theft system
• Bfs
• C-class
• C11c
• C12s
• C13d
• C16s
• C17c
• C18m
• C1m
• C20m
• C21m
• C3m
• C5c
• C6i
• C8s
• C9g
• Can e h
• Can e l
• Can-g h
• Can-g l
• Computer data lines system
• Crash
• Electronic power steering system
• Engine controls system
• Exterior lights system
• Front electrical prefuse box (at right rear of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 60a
• Glk-class
• Gnd
• Headlights system
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Instrument cluster & power tops systems
• Instrument cluster system
• Interior lights system
• Khd
• Lin 1
• Lin 2
• Lin b8
• Lwr
• Mg1
• Mr2
• Mr3
• Mr4
• Nca
• Ntc
• Pnk/red
• Power distribution system
• Red
• Rfl
• Sig
• Sound & navigation systems
• Starting/charging system
• Starting/charging systems
• Transmissions system
• W/ eco start/stop function
• W/o eco start/stop function
• W16/5 (left rear of engine compt)
• Wiper/washer system

Front SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Front SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• 15r
• 30g
• 30z
• 55l
• 55r
• 56al
• 56ar
• 56b l
• 56br
• 58d
• 87f
• 87m
• Air conditioning & cooling fans systems
• Air conditioning system
• Anti-lock brakes system
• Bbv hl
• Bbv hr
• C10t
• C14m
• C15m
• C19i
• C22i
• C2i
• C4i
• C7i
• Can b h
• Can b l
• Can c h
• Can c l
• Can d h
• Can d l
• Can e h
• Can e l
• Can g h
• Can g l
• Computer data lines system
• Crash
• Cruise control & electronic power steering systems
• Door locks & mirror systems
• Door locks system
• Ekp
• Engine controls system
• Exterior lights system
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Gnd
• Headlights system
• Horns system
• Instrument cluster system
• Interior lights system
• Navigation system
• Pnk
• Pnk/red
• Power distribution system
• Red
• Sig
• Sound & navigation systems
• Sound systems
• Starting/charging system
• Str
• Transmissions system
• W16/3 (left side of engine compt)
• Wiper/washer system

Rear SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Rear SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• 15r
• 15r(1)
• 30g
• 31e
• 49r
• 58d
• 58l
• Air conditioning system
• Anst
• Anti-lock brakes system
• Anti-theft system
• Bla
• Bsl-l
• Bsl-r
• C1h
• C2g
• C30
• C30g
• C3i
• C4hd
• C5h
• C6hd
• C8d
• C9i
• Can b h
• Can b l
• Computer data lines system
• Defogger system
• Door locks system
• Emd
• Engine controls system
• Exterior lights system
• Front electrical prefuse box (at right rear of engine compt)
• Fuel doors system
• Fuse 150a
• Fuse 80a
• Gss hl
• Gss hm
• Gss hr
• Headlights system
• Hfe
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Ig1
• Instrument cluster
• Instrument cluster & anti-theft systems
• Instrument cluster system
• Interior lights system
• Lin
• Lin b4
• Nsl-l
• Nsl-r
• Pnk
• Pnk/red
• Power distribution system
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Red
• Rfl-l
• Rfl-r
• Rss aus
• Rss ein
• Seats system
• Sig
• Sl-l
• Sl-r
• Sound systems
• Starting/charging system
• System
• Tg l
• Tg r
• Trunk, tailgate,
• Trunk, tailgate, fuel doors system
• W/ eco start/stop function
• W/o eco start/stop function
• W7/1 (right side of cargo area/ trunk)
• Wiper/washer system
• Zv ant

Rear SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Rear SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (-)
• (right side of cargo area/trunk) w7/1
• 15r
• 15r(1)
• 15r(2)
• 30g
• C11t
• C12i
• C13a
• C14i
• C15h
• C1or
• C7i
• Computer data lines system
• Cruise control system
• Door locks system
• Electronic suspension & electronic power steering systems
• Engine accessories system
• Exterior lights system
• Memory system
• Navigation & cruise control systems
• Navigation & sound systems
• Navigation system
• Pnk/red
• Power distribution system
• Power windows system
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Red
• Seats system
• Sound system
• Sound systems
• Trunk, tailgate, fuel doors system
• W7 (right side of cargo area/trunk)
• Warning systems

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (under left side of dash) diagnostic connector (dlc)
• 31e
• C15h
• C19i
• C22i
• Can-d h
• Can-d l
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 7.5a
• Hot at all times
• Power distribution system
• Rear sam control unit w/ fuse & relay module (left side trunk/cargo area)
• W15/5 (left front footwell)

High/Low Bus Wiring Diagram (1 of 4) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for High/Low Bus Wiring Diagram (1 of 4) for Mercedes-Benz C300 Sport 4Matic 2012:

• (right front footwell) w15/8
• Audio/comand control panel
• Audio/comand display
• C-class
• C10
• C11
• C12
• C13
• Can-a h
• Can-a l
• Can-c h
• Can-c l
• Can-g h
• Can-g l
• Drive train can voltage distributor electrical connector
• Dvd player (w/ tv & video in rear)
• Electronic selector level module control module (a/t) (under center console)
• Fuel pump control module (under right rear seat)
• Fully integrated transmission control unit (c-class: on fully integrated transmission control control unit)
• Glk-class
• Headlamp control unit
• Left front headlamp unit (w/ xenon lamps)
• Left rear display (w/ tv & video in rear)
• Left xenon light control unit
• Navigation module
• Right front headlamp unit (w/ xenon lamps)
• Right rear display (w/ tv & video in rear)
• Right xenon light control unit
• Telematics can voltage distributor electrical connector
• Transmission oil auxiliary pump control unit
• W15/6 (left front footwell)
• X55/3-c7
• X5514-c7

High/Low Bus Wiring Diagram (2 of 4) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for High/Low Bus Wiring Diagram (2 of 4) for Mercedes-Benz C300 Sport 4Matic 2012:

• (left front footwell) w15/6
• Automatic air conditioning control & operating unit (2 & 3 zones thermatic)
• C10
• C10t
• C11
• C12
• C13
• C18m
• C19i
• C20m
• C21m
• C22i
• C2i
• C4i
• C5h
• C9i
• Can-a h
• Can-a l
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-d h
• Can-d l
• Can-e h
• Can-e l
• Can-g h
• Can-g l
• Comand control unit
• Diagnostic connector (dlc) (under left side dash)
• Driver seat control unit (c-class: under driver's seat)
• Emergency call system control unit (w/ teleaid emergency call system) (center front of trunk/cargo area)
• Front sam control unit w/ fuse & relay module (left rear engine compt)
• Left front door control unit (c-class: front of left front door)
• Left rear door control unit (c-class: rear of left rear door)
• Left vehicle floor interior can voltage distributor electrical connector
• Overhead control panel control module
• Panoramic sliding roof control module (left front of roof)
• Radio
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Right front door control unit (c-class: front of right front door)
• Right rear door control unit (c-class: rear of right rear door)
• Trailer recognition control module (glk-class: right rear cargo area)
• W/ audio 20 radio
• W/ overhead control panel w/ can
• W/ panoramic sliding roof
• W/o audio 20 radio
• X204
• X35/3
• X35/4

High/Low Bus Wiring Diagram (3 of 4) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for High/Low Bus Wiring Diagram (3 of 4) for Mercedes-Benz C300 Sport 4Matic 2012:

• Backup camera control unit (w/ backup camera)
• C-class
• C10
• C11
• C12
• C13
• Can-b h
• Can-b l
• Can-e h
• Can-e l
• Can-e l electrical power steering control unit
• Can-h h
• Can-h l
• Electro hydraulic power steering
• Front passenger seat control unit (c-class: under front passenger's seat)
• Glk-class
• Instrument cluster
• Keyless go control unit (if equipped) (glk-class: right side trunk/cargo area) (c-class: right side trunk)
• Left front reversible emergency tensioning retractor (if equipped) (base of left front "b" pillar)
• Multi-function camera
• Parktronic control unit (if equipped) (left front footwell)
• Pressure monitor
• Right vehicle floor interior can voltage distributor electrical connector
• Stationary heater unit (if equipped) (c-class: front of left front wheelwell) (glk-class: right front of engine compt)
• Steering column module control unit
• Tailgate control unit (w/ automatic tailgate)
• Tire pressure monitor control unit (if equipped) (glk-class: left side of trunk/cargo area) (c-class: spare wheelwell)
• Vehicle floor chassis can voltage distributor electrical connector
• Video & radar sensor system control unit (if equipped)
• W/ multifunction camera
• W/ tire
• W/ video & radar sensor system control unit
• W/o multifunction camera
• W15/6 (left front footwell)
• Weight sensing system control unit (if equipped) (under front passenger's seat)
• X55/4-c2

High/Low Bus Wiring Diagram (4 of 4) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for High/Low Bus Wiring Diagram (4 of 4) for Mercedes-Benz C300 Sport 4Matic 2012:

• (right front footwell)
• 1.8l (turbo)
• Adaptive damping system control unit (w/ adaptive damping system & esp)
• C-class
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-e h
• Can-e l
• Can-e l steering column module control unit (c-class) (top of steering column)
• Can-h h
• Can-h l
• Distronic electric controller unit (if equipped) (c-class: center of front grille)
• Electronic ignition switch control unit
• Electronic stability program control unit (left front engine compt)
• Electronic stability program control unit (w/ esp & w/o adaptive damping system) (left front of engine compt)
• Except 1.8l (turbo)
• Instrument cluster (c-class)
• Me-sfi (me) control module (top center of engine)
• Right front reversible emergency tensioning retractor (if equipped) (base of right front "b" pillar)
• Vehicle dynamics can voltage distributor electrical connector
• Yaw rate, lateral & longitudinal acceleration sensor (under driver's seat)

COOLING FAN

Cooling Fan Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (top center of engine) me-sfi (me) control module
• 1.8l turbo
• 3.0l & 3.0l flex fuel
• 3.5l & 3.5l fiex fuel
• 5v khd
• C14m
• C18m
• C21m
• C22i
• C26
• C4i
• Can-b h
• Can-b l
• Combustion engine & a/c w/ integrated control fan motor (glk-class: behind radiator)
• Computer data lines system
• Coolant circulation pump (w/ thermotronic) (right side of engine compt)
• Coolant temperature sensor (left rear of engine)
• Engine controls system
• Front electrical prefuse box (at right rear of engine compt)
• Front sam control module unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Khd
• Lues
• Nwg m2
• Purge control valve (left front engine compt)
• Red
• Refrigerant pressure sensor (at bottom left side of radiator condenser)
• Reg
• Sig
• Solid state
• Tmot
• W16/3 (left side of engine compt)
• W16/4 (right side of engine compt)
• W9 (in left front wheelwell)

CRUISE CONTROL

Cruise Control Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Cruise Control Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (+) sv
• +5v
• 1.8l turbo
• 12i
• 14i
• 3.0l & 3.0l flex fuel & 3.5l glk-class
• 3.5l c-class & 3.5l flex fuel
• 30g
• Acc
• Accel/ set
• Accelerator pedal sensor (top of accelerator pedal assembly)
• C2i
• C5c
• Can c h
• Can c l
• Can e h
• Can e l
• Can g h
• Can g l
• Can h h
• Can h l
• Can s h
• Can s l
• Can-e h
• Can-e l
• Computer data lines system
• Cruise control lever
• Dcm
• Dcp
• Dec
• Decel/ set
• Distronic control (if equipped)
• Distronic control unit
• Distronic electric controller unit (c-class: center of front grille)
• Distronic radar sensor
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fully integrated transmission control unit (c-class: on fully integrated transmission control unit)
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Hot w/ chassis circuit 87 relay energized
• Hot w/ circuit 15 relay energized
• Hot w/ quiescent current cutout relay energized
• Ind
• Ip1s
• Ip2s
• Ipm
• Left front bumper distronic sensor (dtr)
• Left rear bumper intelligent radar sensor (w/ blind spot assist)
• Left rear bumper radar sensor (c-class: left rear corner of rear bumper)
• Lvds n
• Lvds p
• Me-sfi (me) control module (top center of engine)
• Multifunction camera
• Off
• Output shaft rpm sensor
• Pnk
• Rear sam control unit w/ fuse & relay module (left side of trunk/ cargo area)
• Res
• Resume
• Right front bumper distronic sensor (dtr)
• Right rear bumper intelligent radar sensor (w/ blind spot assist)
• Right rear bumper radar sensor (c-class: right rear corner of rear bumper)
• Sp1m
• Sp1s
• Sp2m
• Sp2s
• Steering column module control unit (top of steering column)
• Throttle valve actuator (glk-class: throttle body) (c-class 1.8l: on throttle body) (c-class 3.0l & 3.5l: in air intake manifold)
• U-pwg1
• Video & radar sensor system control unit
• Video n
• Video p
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W7 (glk-class: right side of cargo area/ trunk) (c-class: right side of trunk)
• X26/38
• X35/28

DEFOGGERS

Heated Mirrors Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Heated Mirrors Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• Automatic air conditioning control & operating unit
• C3i
• C7i
• Can-b h
• Can-b l
• Computer data lines system
• Current cutout relay energized
• Front sam control module w/ fuse & relay module (left rear of engine compt)
• Fuse 30a
• Hot at all times
• Hot w/ quiescent
• Left front door control unit (c-class: front of left front door)
• Left outside mirror
• Mirror heater
• Rear sam control module w/ fuse & relay module (left side of trunk/ cargo area)
• Rear window heater button
• Right front door control unit (c-class: front of right front door)
• Right outside mirror
• Sh (+)
• Sh (-)
• W18 (under driver's seat)
• W19 (under right front seat)

Rear Defogger Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Rear Defogger Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (coupe) w29/3
• (glk-class: center cargo area roof) w8/2
• (right "c" pillar) w29/4
• Automatic air conditioning control & operating unit
• C-class
• C30
• C30g
• C5h
• C7i
• Can-b h
• Can-b l
• Computer data lines system
• Coupe
• Engine compt)
• Front electrical prefuse box (at right rear of
• Fuse 150a
• Fuse 40a
• Fuse 80a
• Glk-class
• Heated rear window relay
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Ig1
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Rear window antenna amplifier 1 (if equipped) (center rear of roof)
• Rear window heater
• Rear window heater button
• Rear window interference suppression capacitor 1
• Rear window interference suppression capacitor 1 (sedan)
• Rear window interference suppression capacitor 2
• Red
• W/ eco start/ stop function
• W/o eco start/ stop function
• W29/3 (base of left "c" pillar)
• W7 (right side of cargo area/ trunk)
• W8/1 (glk-class: tailgate door)
• X19

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Electronic Power Steering Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• Can-e h
• Can-e l
• Computer data lines system
• Electric power steering actuator motor
• Electric power steering electromechanical controller unit
• Electric power steering torque sensor
• Electrical power steering control unit
• Front electrical prefuse box (at right rear of engine compt)
• Fuse 100a
• Hot at all times
• Mr7
• Red
• W52

Power Steering Column Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Power Steering Column Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (w/ automatic lane detection)
• Accelerate & set switch
• Accept/terminate phone call button
• Aldw+
• Aldw-
• Back & voice control system off button
• Button + & - setting of specific functions & volume control
• C-class
• C12i
• Can-e h
• Can-e l
• Center horns button
• Combination switch
• Computer data lines system
• Cruise control lever
• Decelerate & set switch
• Distronic control (if equipped)
• Fanfare horns & air bag clock spring contact (top of steering column)
• Front sam control unit w/ fuse/relay module (left rear of engine compt)
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• Glk-class
• Gnd
• Head lamp flasher/high beam switch
• Heating element temperature sensor (if equipped)
• Hot at all times
• Hot w/ terminal 30g relay energised
• Indicator switch
• Interior fuse box (behind left end of dash)
• Left fanfare horn system button
• Left multi-function steering wheel button group
• Lh+
• Lh+/aldw-
• Lh-
• Lh-/aldw-
• Low beam switch
• Lsp+
• Lsp-
• Mute
• Mute button
• Ntc +
• Ntc -
• Off switch
• Ok button
• Pnk
• Rear sam control unit w/ fuse/relay module (left side of trunk/ cargo area)
• Red
• Resume from memory switch
• Right fanfare horn system button
• Right multi-function steering wheel button group
• Scroll forward/ back button
• Steering angle sensor
• Steering column adjustment switch
• Steering column module control unit (top of steering column)
• Steering wheel downshift button (w/ steering wheel shift paddles)
• Steering wheel electronics (inside steering wheel)
• Steering wheel heater heating element (if equipped)
• Steering wheel upshift button (w/ steering wheel shift paddles)
• Steering wheel vibration motor
• System selection button
• Tel
• Turn signal lamp switch
• Voice control system on button
• W/ steering wheel heater
• W15/5 (left front footwell)
• Windshield washer system switch
• Wipe switch
• X18-c2

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• +5v
• Adaptive damping control unit (right front footwell)
• C12i
• Fuse 15a
• Gnd
• H side
• Hot w/ quiescent current cutout relay energized
• L side
• Left front level sensor (in left front wheelwell)
• Left rear axle damping valve unit
• Left rear body lateral acceleration sensor
• Left rear level sensor (in left rear wheelwell)
• Nca
• Pnk/red
• Rear sam control module w/ fuse & relay module (left side of trunk/cargo area)
• Right rear axle damping valve unit
• Right rear level sensor (c-class: in right rear wheelwell)
• Sig
• W15/7 (right front footwell)
• X62/32-c1
• X62/33-c1

Electronic Suspension Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• +5v
• Adaptive damping control unit (right front footwell)
• Can-e h
• Can-e l
• Computer data lines system
• Gnd
• H side
• L side
• Left front axle damping valve unit
• Left front body lateral acceleration sensor
• Nca
• Right front axle damping valve unit
• Right front body lateral acceleration sensor
• Right front level sensor (c-class: in right front wheel well)
• Sig
• X62/7

ENGINE ACCESSORIES

Stationary Heater Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Stationary Heater Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (right side of trunk) stationary heater radio remote control receiver
• Ant
• C14i
• C15h
• Can b h
• Can b l
• Combustion air blower
• Computer data lines system
• Fuel preheating system
• Fuse 20a
• Fuse 7.5a
• Glow plug flame monitor
• Heater control unit
• Hot at all times
• Mobile phone & stationary heater radio remote control antenna splitter (c-class: left side of trunk)
• Multi- function antenna (center rear of roof)
• Nca
• Preinstallation w/ universal interface
• Rear sam control unit w/fuse & relay module (left side of trunk/cargo area)
• Stationary heater fuel pump
• Stationary heater switchover valve
• Stationary heater unit (c-class: front of left front wheelwell) (gl-class: right front of engine compt)
• Sth
• Switchover valve
• Tel
• Temperature sensor
• Thermal fuse
• W/ mobile phone
• W/ xenon headlamps x62/33-c2
• W/o mobile phone
• W/o xenon headlamps
• W16/4 (right side of engine compt)
• W7/1 (right side of cargo area/ trunk)
• X62/33-c1

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (+) sh
• (+) sv
• (-)
• 30g
• A s dk
• Air conditioning system
• C12s
• C16s
• C2i
• C3m
• C4i
• C6i
• C7i
• C9g
• Can b h
• Can b l
• Can c h
• Can c l
• Chassis circuit 87 relay
• Computer data lines system
• Coolant temperature warning lamp
• E rds
• Engine diagnosis ind lamp
• Ev1
• Ev2
• Ev3
• Ev4
• Ev5
• Ev6
• Front electrical prefuse box (at right rear engine compt)
• Front sam control unit w/ fuse & relay module (left rear engine compt)
• Fuel pressure sensor (in fuel tank)
• Fuel pump (fp) (top fuel tank)
• Fuel pump control module (under right rear seat)
• Fuse 10a
• Fuse 150a
• Fuse 40a
• Fuse 7.5a
• Hot w/ quiescent current cutout relay energized
• Ig1
• Instrument cluster
• Ipm
• Lin c1
• Ls2hk
• Lsh1hk
• Lsh2hk
• Lshk
• Lshvk1
• Lsik
• Lsu1un
• Lsu1vm
• Lsu2ia
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi (me) control module (top center of engine)
• Mr hfm1
• Nca
• Nwae2
• Nwg m
• Nwg m2
• Nwga1
• Nwsa 1
• Nwse 1
• Nwse 2
• Pnk/red
• Red
• Secondary air injection relay
• Slv
• Starting/charging system
• Suv1
• Ths
• W76 (under right rear seat)
• X36/3-c2
• Zue 1
• Zue 2
• Zue 3
• Zue 4
• Zue 5
• Zue 6

3.0L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+) sv
• (fuel tank) left fuel level indicator sensor
• (fuel tank) right fuel level indicator sensor
• (top front of engine) air pump
• C30g
• C3i
• C9i
• Can c h
• Can e h
• Cmr2
• Cmr4
• Computer data lines system
• Dst
• Ekp
• Front electrical prefuse box (right rear engine compt)
• Fuel tank pressure sensor (fuel tank)
• Fuse 150a
• Fuse 20a (or 25a)
• Fuse 60a
• Hot at all times
• Lin
• Me-sfi (me) control module (top center of engine)
• Nca
• Pnk/red
• Rear sam control unit w/ fuse & relay module (left side trunk/cargo area)
• Red
• Senm1
• Slp
• Sp1m
• Sp1s
• Sp2s
• Starting/ charging system
• Str
• U pwg1
• W11w2 (left rear engine)
• W16/5 (left rear of engine compt)
• X25/4
• X26/2
• X35/6
• X36/3-c1
• X36/3-c2

3.0L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (left front engine compt) purge control valve
• (left front of engine) refrigerant compressor
• (left rear of engine compt) front sam control unit w/ fuse & relay module
• (right rear wheelhouse) activated charcoal filter shutoff valve
• (w/ sulev) radiator sensor for engine diagnosis
• Aav
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Air conditioning system
• C18m
• C20m
• C21m
• C3m
• Can c l
• Can e l
• Computer data lines system
• Crash
• Left o2 sensor (upstream of catalytic converter) (under left front of vehicle, in exhaust)
• Lues
• Me-sfi (me) control module (top center of engine)
• Nca
• Pnk
• Red
• Reg
• Sp2m
• W16/4 (right side engine compt)
• X26-c1
• X35/6

3.0L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (under right front of vehicle, in exhaust) right o2 sensor (upstream of catalytic converter)
• Air conditioning system
• Air pump switchover valve
• C3m
• C41
• C6i
• Engine circuit 87 relay
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Heating system shutoff valve (glk-class: engine, rear)
• Hot at all times
• Intake manifold switchover valve
• Intake manifold tumble flap switchover valve (intake manifold)
• Left o2 sensor (downstream of catalytic converter) (front vehicle, in exhaust)
• Nca
• Pnk
• Red
• Right o2 sensor (downstream of catalytic converter) (under right front of vehicle, in exhaust)
• X205
• X26-c1

3.0L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (c-class: in air intake manifold) (glk-class: throttle body) throttle valve actuator
• (left rear of engine) crankshaft hall sensor
• (top rear of engine) hot film maf sensor
• Cylinder 4 injection valve
• Cylinder 5 injection valve
• Cylinder 6 injection valve
• Ignition coils cylinder (glk-class: top right side engine) (c-class: top of left cylinder bank
• Intake air temperature sensor
• Left exhaust camshaft solenoid (left front of engine)
• Left intake camshaft solenoid (left front of engine)
• Pnk
• Radio interference suppression capacitor 2 (top left side of engine)
• To spark plugs
• W11w1 (right rear engine)
• W16/5 (left side engine compt)
• X26-c1

3.0L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (-)
• (between cylinder banks)
• (front left cylinder bank) left exhaust camshaft hall sensor
• (front left cylinder bank) left intake camshaft hall sensor
• (front right cylinder bank) right exhaust camshaft hall sensor
• (front right cylinder bank) right intake camshaft hall sensor
• (left front engine) pressure sensor
• (left rear engine) left intake manifold tumble flap position sensor
• (right rear engine) right intake manifold tumble flap position sensor
• Air conditioning system
• Cylinder 1 injection valve
• Cylinder 2 injection valve
• Cylinder 3 injection valve
• Dcm
• Dcp
• Dk1
• Dk2
• E a ks1a
• E a ks1b
• E a ks2a
• E a ks2b
• Ea tans
• Ef hfm1
• Ef ref1
• Hav
• Ignition coils cylinder (glk-class: top right side engine) (c-class: (top of right cylinder bank)
• Ip1s
• Ip2s
• Kwdga
• Left knock sensor
• Lshvk2
• Lsu1a
• Lsu1p
• Me-sfi (me) control module (top center of engine)
• Nwge1
• Nwge2
• Nwsa 2
• Oil level check switch (left side of oil pan)
• Oss
• Pnk
• Radio interference suppression capacitor 1 (top right side of engine)
• Right exhaust camshaft solenoid (right front of engine)
• Right intake camshaft solenoid (right front of engine)
• Right knock sensor
• Tmot
• To spark plugs
• W11w2 (left rear engine)

3.0L FLEX FUEL

3.0L Flex Fuel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L Flex Fuel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (+) sh
• (+) sv
• (-)
• 30g
• A s dk
• Air conditioning system
• C12s
• C16s
• C2i
• C3m
• C4i
• C6i
• C7i
• C9g
• Can b h
• Can b l
• Can c h
• Can c l
• Chassis circuit 87 relay
• Computer data lines system
• Coolant temperature warning lamp
• E rds
• Engine diagnosis ind lamp
• Ev1
• Ev2
• Ev3
• Ev4
• Ev5
• Ev6
• Front electrical prefuse box (at right rear engine compt)
• Front sam control unit w/ fuse & relay module (left rear engine compt)
• Fuel pressure sensor (in fuel tank)
• Fuel pump (fp) (top fuel tank)
• Fuel pump control module (under right rear seat)
• Fuse 10a
• Fuse 150a
• Fuse 40a
• Fuse 7.5a
• Hot w/ quiescent current cutout relay energized
• Ig1
• Instrument cluster
• Ipm
• Lin c1
• Ls2hk
• Lsh1hk
• Lsh2hk
• Lshk
• Lshvk1
• Lsik
• Lsu1un
• Lsu1vm
• Lsu2ia
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi (me) control module (top center of engine)
• Mr hfm1
• Nca
• Nwae2
• Nwg m
• Nwg m2
• Nwga1
• Nwsa 1
• Nwse 1
• Nwse 2
• Pnk/red
• Red
• Secondary air injection relay
• Slv
• Starting/charging system
• Suv1
• Ths
• W76 (under right rear seat)
• X36/3-c2
• Zue 1
• Zue 2
• Zue 3
• Zue 4
• Zue 5
• Zue 6

3.0L Flex Fuel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L Flex Fuel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+) sv
• (fuel tank) left fuel level indicator sensor
• (fuel tank) right fuel level indicator sensor
• (top front of engine) air pump
• C30g
• C3i
• C9i
• Can c h
• Can e h
• Cmr2
• Cmr4
• Computer data lines system
• Dst
• Ekp
• Front electrical prefuse box (right rear engine compt)
• Fuel tank pressure sensor (fuel tank)
• Fuse 150a
• Fuse 20a (or 25a)
• Fuse 60a
• Hot at all times
• Lin
• Me-sfi (me) control module (top center of engine)
• Nca
• Pnk/red
• Rear sam control unit w/ fuse & relay module (left side trunk/cargo area)
• Red
• Senm1
• Slp
• Sp1m
• Sp1s
• Sp2s
• Starting/ charging system
• Str
• U pwg1
• W11w2 (left rear engine)
• W16/5 (left rear of engine compt)
• X25/4
• X26/2
• X35/6
• X36/3-c1
• X36/3-c2

3.0L Flex Fuel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L Flex Fuel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (left front engine compt) purge control valve
• (left front of engine) refrigerant compressor
• (left rear of engine compt) front sam control unit w/ fuse & relay module
• (right rear wheelhouse) activated charcoal filter shutoff valve
• (w/ sulev) radiator sensor for engine diagnosis
• Aav
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Air conditioning system
• C18m
• C20m
• C21m
• C3m
• Can c l
• Can e l
• Computer data lines system
• Crash
• Left o2 sensor (upstream of catalytic converter) (under left front of vehicle, in exhaust)
• Lues
• Me-sfi (me) control module (top center of engine)
• Nca
• Pnk
• Red
• Reg
• Sp2m
• W16/4 (right side engine compt)
• X26-c1
• X35/6

3.0L Flex Fuel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L Flex Fuel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (under right front of vehicle, in exhaust) right o2 sensor (upstream of catalytic converter)
• Air conditioning system
• Air pump switchover valve
• C3m
• C41
• C6i
• Engine circuit 87 relay
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Heating system shutoff valve (glk-class: engine, rear)
• Hot at all times
• Intake manifold switchover valve
• Intake manifold tumble flap switchover valve (intake manifold)
• Left o2 sensor (downstream of catalytic converter) (front vehicle, in exhaust)
• Nca
• Pnk
• Red
• Right o2 sensor (downstream of catalytic converter) (under right front of vehicle, in exhaust)
• X205
• X26-c1

3.0L Flex Fuel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L Flex Fuel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (c-class: in air intake manifold) (glk-class: throttle body) throttle valve actuator
• (left rear of engine) crankshaft hall sensor
• (top rear of engine) hot film maf sensor
• Cylinder 4 injection valve
• Cylinder 5 injection valve
• Cylinder 6 injection valve
• Ignition coils cylinder (glk-class: top right side engine) (c-class: top of left cylinder bank
• Intake air temperature sensor
• Left exhaust camshaft solenoid (left front of engine)
• Left intake camshaft solenoid (left front of engine)
• Pnk
• Radio interference suppression capacitor 2 (top left side of engine)
• To spark plugs
• W11w1 (right rear engine)
• W16/5 (left side engine compt)
• X26-c1

3.0L Flex Fuel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for 3.0L Flex Fuel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz C300 Sport 4Matic 2012:

• (-)
• (between cylinder banks)
• (front left cylinder bank) left exhaust camshaft hall sensor
• (front left cylinder bank) left intake camshaft hall sensor
• (front right cylinder bank) right exhaust camshaft hall sensor
• (front right cylinder bank) right intake camshaft hall sensor
• (left front engine) pressure sensor
• (left rear engine) left intake manifold tumble flap position sensor
• (right rear engine) right intake manifold tumble flap position sensor
• Air conditioning system
• Cylinder 1 injection valve
• Cylinder 2 injection valve
• Cylinder 3 injection valve
• Dcm
• Dcp
• Dk1
• Dk2
• E a ks1a
• E a ks1b
• E a ks2a
• E a ks2b
• Ea tans
• Ef hfm1
• Ef ref1
• Hav
• Ignition coils cylinder (glk-class: top right side engine) (c-class: (top of right cylinder bank)
• Ip1s
• Ip2s
• Kwdga
• Left knock sensor
• Lshvk2
• Lsu1a
• Lsu1p
• Me-sfi (me) control module (top center of engine)
• Nwge1
• Nwge2
• Nwsa 2
• Oil level check switch (left side of oil pan)
• Oss
• Pnk
• Radio interference suppression capacitor 1 (top right side of engine)
• Right exhaust camshaft solenoid (right front of engine)
• Right intake camshaft solenoid (right front of engine)
• Right knock sensor
• Tmot
• To spark plugs
• W11w2 (left rear engine)

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Backup Lamps Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• 30g
• Backup lamp
• Backup lamp switch (m/t) (on right rear of transmission)
• C22i
• C5h
• C9g
• C9i
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Electronic selector lever module control module (a/t) (under center console)
• Front electrical prefuse box (at right rear of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 150a
• Glk class
• Hot w/ quiescent current cutout relay energized
• Ig1 red
• Left rear lamp unit
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Red
• Rfl
• Rfl-l
• Rfl-r
• Right rear lamp unit
• Start/stop function c class
• Start/stop function w/ eco
• W/o eco
• W15/7 (right front footwell)
• W7 (right side of cargo area/trunk)

Exterior Lamps Wiring Diagram (1 of 3) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Mercedes-Benz C300 Sport 4Matic 2012:

• (left front footwell) w15/5
• 16s
• 49l
• 49r
• 58d
• 58l
• 58r
• Acoustic turn signal function check
• Air conditioning system
• C11c
• C14m
• C15m
• C17c
• C18m
• C19i
• C20m
• C21m
• C22i
• C7i
• Can b h
• Can b l
• Can e h
• Can e l
• Computer data lines system
• Exterior lights switch
• Front fog lamp button
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 10a
• Fuse 7.5a
• Hazard warning flasher switch
• Headlamp range controller (w/o xenon lamps & w/ headlamp adjustment for halogen headlamps)
• Hot w/ circuit 15 relay energized
• Instrument cluster
• Instrument panel switch group
• Lds1
• Lds2
• Lds3
• Left active curve illumination actuator motor
• Left active curve illumination position sensor
• Left front
• Left front lamp unit
• Left front standing &
• Left signal lamp actuation module led
• Left turn signal ind light
• Lin 1
• Lwr
• Parking lamp
• Pnk/ red
• Pnk/red
• Rear fog light button
• Red
• Right turn signal ind light
• Standing/ parking lamp
• Switch illumination
• Turn signal lamp
• W/ xenon
• W/o xenon
• W/o xenon lamps
• W16/5 (left rear of engine compt)
• W9 (in left front wheelwell)
• X18-c3

Exterior Lamps Wiring Diagram (2 of 3) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• Bls 12v
• Bls h
• Bls l
• Bls m
• C7i
• Can b h
• Can b l
• Can e h
• Can e l
• Computer data lines system
• Electronic stability program control unit (left front of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 25a
• Hot at all times
• Left front door control module (left front door assembly)
• Left front side marker lamp
• Left outside mirror
• Nca
• Parking lamp
• Pnk/red
• Red
• Right active curve illumination actuator motor
• Right active curve illumination position sensor
• Right front
• Right front door control module (right front door assembly)
• Right front headlamp unit
• Right front lamp unit
• Right front side marker lamp
• Right front standing &
• Right outside mirror
• Right signal lamp actuation module led
• Standing/ parking lamp
• Stop lamp switch (under left side of dash)
• Turn signal lamp
• W/ xenon
• W/o xenon
• W16/3 (left side of engine compt)
• W16/4 (right side of engine compt)
• W70 (left front of engine compt)

Exterior Lamps Wiring Diagram (3 of 3) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Mercedes-Benz C300 Sport 4Matic 2012:

• (top center of front windshield) (w/ standard equipment) light sensor
• 15r
• 30g
• 49r
• 58l
• 6hd
• Bsl l
• Bsl r
• C5c
• C5h
• C6hd
• C7i
• C9i
• Can b h
• Can b l
• Can e h
• Can e l
• Center stop lamp
• Combination switch
• Computer data lines system
• Flasher/ high beam switch
• Fog lamp
• Front electrical prefuse box (at right rear of engine compt)
• Front sam control unit w/ fuse & relay module (at left rear of engine compt)
• Fuse 150a
• Fuse 7.5a
• Fuse 80a
• Headlamp
• Hot at all times
• Inner stop/ tail lamp
• Left license plate lamp
• Left rear lamp unit
• Lin 2
• Mr2
• Nsl r
• Overhead control panel control module (w/ can) (center rear of trunk) overhead control panel electronics (w/o can)
• Pnk
• Pnk/red
• Rain/light sensor (w/ rain/light sensor) (top center of windshield)
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Red
• Right license plate lamp
• Right rear lamp unit
• Side marker lamp
• Sl l
• Sl r
• Steering column module control unit (top of steering column)
• Stop/ tail/ park lamp
• Turn signal lamp
• Turn signal lamps switch
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W7 (right side of cargo area/ trunk)
• W7 (right side of trunk)

Trailer Light Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Trailer Light Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• (right side of cargo area/trunk) (c-class) w7 (glk-class) w7/1
• 30g
• 31 led
• 31/1
• 31/2
• 49l
• 49r
• 58l
• Ahk
• C13a
• C89
• Can b h
• Can b l
• Computer data lines system
• Front electrical prefuse box (right rear of engine compt)
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ quiescent current cutout relay energized
• Ig1
• Led
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Red
• Rfl
• Stop function
• Trailer hitch locking switch (w/ swiveling trailer hitch)
• Trailer hitch release (w/ swiveling trailer hitch)
• Trailer recognition control unit (glk class : right rear cargo area)
• Trailer socket (7-pin)
• W/ eco start/ stop function
• W/o eco start/
• W7 (right side of cargo area/trunk)
• W7/1 (glk-class) w7 (c-class) (right side of cargo area/trunk)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• Back-up camera control unit (if equipped), pedestrain protection hall sensor + engine hood ata (edw) switch (if equipped), multi-contour seat pneumatic pump (c-class), sound system amplifier control unit (if equipped), rear blower motor (w/ 3 zone thermotronic), satellite digital audio radio (sdar) control unit (if equipped), digital audio broadcasting control unit (if equipped), sdar control unit/ high definition tuner, overhead control panel electronics (c-class & w/o can), emergency call system control unit (if equipped), overhead control panel control unit (c-class & w/ can) & tire pressure monitor control unit (c-class)
• Battery sensor
• Dc/ac converter control unit
• Electric air pump, radio interference suppression capacitor 1, cylinder 1 ignition coil, cylinder 2 ignition coil & cylinder 3 ignition coil
• Electrical power steering control unit (c-class) & electro hydraulic power steering (glk-class)
• Electronic stability program control unit
• Intelligent servo module for direet seleet, fuel quality sensor, root particulate sensor control unit, driver side air bag squib, electronic selector lever module control unit (a/t), left front reversible emergency tensioning retractor (if equipped), left front door control unit, driver seat control unit, left rear seat belt buckle switch (c-class & if equipped), left rear backrest inclination switch (if equipped), left rear door lock, left rear door control unit, left front seat sitting surface heated cushion (if equipped), left front backrest heated cushion (if equipped), driver seat partially electric seat adjustment switch (if equipped), left front seat adjustment switch group (if equipped), driver seat lumbar support adjustment control unit (if equipped), driver seat lumbar support pneumatic pump (if equipped), left luggage compartment lamp (glk-class), rear blower motor (glk-class w/ 3 zone thermotronic), driver pelvis air bag squib (if equipped) & electric transmission oil pump
• Radio interference suppression capacitor 2, cylinder 4 ignition coil, cylinder 5 ignition coil & cylinder 6 ignition coil
• Rear sam control module w/ fuse & relay module, left rear lamp unit, left rear side marker lamp, right rear lamp unit, right rear side marker lamp, tailgate keyless go button (if equipped), trunk lid emergency opening switch, left rear bumper intelligent radar sensor (w/ blind spot assist), right rear bumper intelligent radar sensor (w/ blind spot assist), trailer socket (glk-class), additional battery relay (w/ eco start/stop), interior protection & two-away protection control unit shield, right luggage compartment lamp, trailer recognition control unit, tv digital tuner, trailer socket (7 pin) (glk-class), tailgate control button (c-class w/ keyless go & autometic tailgate), right rear seat belt buckle switch (if equipped), center rear seat belt buckle switch (if equipped), keyless-go control unit (c-class & if equipped), center stop lamp, left license plate lamp, right license plate lamp, tailgate central locking motor, tailgate external opeation switch, left tailgate ambient lamp & warning lamp (c-class), tailgate contact switch (c-class), load compartment socket (glk-class), radio data transmission keyboard electrical connector 1 (w/ preinstallation for two-way radio system in trunk), special-purpose vehicle multi-functiion control unit, two-way radio electrical connector (if equipped), taximeter electrical connector (if equipped) & taxi peripheral device electrical connector (if equipped)
• Rear sam control unit w/ fuse & relay module, interior protection & tow away protection control unit shield (if equipped), trailer socket (c-class), trailer socket (7-pin), trailer recognition control unit, rear bass speaker amplifier (glk-class w/ sound system), tailgate control button (glk-class w/ automatic tailgate & keyless go), right rear seat belt buckle switch (glk-class & if equipped), center rear seat belt buckle switch (glk-class & if equipped), tv digital tuner (glk-class & if equipped), center stop lamp (glk-class), left license plate lamp (glk-class), right license plate lamp (glk-class), tailgate central locking motor (glk-class), trunk-lid external operation switch (glk-class), left tailgate ambient lamp & warning lamp (glk-class), right tailgate ambient lamp & warning lamp (glk-class), tailgate wiper motor (glk-class), stationary heater radio remote control receiver (if equipped), compensator/cellular telephone system umts (if equipped & w/ stationary heater), stationary heater fuel pump, left rear backrest lock switch (if equipped), right rear backrest lock switch (if equipped), tire pressure monitor control unit (if equipped) & dc/ac converter control unit (c-class)
• Spray nozzle heater (if equipped), wiper park heater (if equipped), spray nozzle hose heater (if equipped), left fog lamp (w/ standard equipment), combustion engine & air conditioning w/ integrated control fan motor, left daytime running lamps headlamp (if equipped) & left front lamp unit
• Vehicle floor chassis can voltage distributor electrical connector, left vehicle floor interior can voltage distributor electrical connector & telematics can voltage distributor electrical connector
• W10 (near battery)
• W11w1 (right rear engine)
• W11w2 (left rear engine)
• W15/6 (left front footwell)
• W18 (under driver seat)
• W18/3 (under driver seat)
• W33/4 (c-class: right "c" pillar)
• W52
• W6/1 (glk-class) (left rear cargo panel)
• W7 (right side of cargo area/trunk)
• W7/1 (right side of cargo area/trunk)
• W7/2 (glk-class)
• W70 (left front engine compt)
• W9 (left front wheelhouse)

Ground Distribution Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (c-class: right "c" pillar)
• Capacitor 1
• Capacitor 2
• Drive train can voltage distributor electrical connector, distronic electric connector unit (if equipped), left front bumper distronic sensor (w/ video & radar sensor system control unit), right front bumper distronic sensor (w/ video & radar sensor system control unit) & potential distribution electrical connector (can 1)
• Drivers side instrument panel ambulance illumination, passengers side instrument panel ambulance illumination, steering column module control unit, electronic ignition switch control unit, automatic air conditioning control & operating unit, instrument cluster, upper control panel control unit, instrument panel switch group (glk-class), electric steering lock control unit, media interface control unit (w/ aux jack), glove box lamp, parking brake indicator switch, diagnostic connector, radio (audio 20), audio/comand control panel, glove box socket (if equipped), audio/comand display (if equipped), mobile phone electrical connector (if equipped), right front footwell lamp (if equipped), left front footwell lamp (if equipped), interior temperature sensor, left front side air outlet symbol illumination (if equipped), right front side air outlet symbol illumination (if equipped), rear air outlet symbol illumination (w/ 2-zone thermatic) left engine hood contact switch (eco start/stop function), navigation module (if equipped), comand control unit & additional battery (except eco start/stops w/ servo module for direct select)
• Electronic transmission control unit, adaptive damping system control unit, parking system control unit (if equipped) (glk-class), fully integrated transmission control unit, ac housing, multi-function camera, backup lamp switch (m/t), (a/t & eco start/stop function), electric transmission oil pump, left front bumper distronic sensor (w/ video & radar sensor system control unit), right front bumper distronic sensor (w/ video & radar sensor system control unit), transmission mode control unit, video & radar & distronic electric controller unit (if equipped), headlamp control unit & distronic electric controller unit
• Front passenger pelvis air bag squib (if equipped), right rear display (w/ tv & video in rear) dvd player (w/ tv & video in rear) left rear display (w/ tv & video in rear) right front reversible emergency tensioning retractor (if equipped), front cigarette lighter w/ astray illumination (w/ non smoker package), fuel pump, right front brake wear sensor, right rear brake wear sensor, right front door control unit, front passenger seat control unit, right rear backrest inclination switch (if equipped), front vehicle interior power outlet (w/ smoker package), right rear door lock, right rear door control unit (glk-class), right front seat sitting surface heated cushion (if equipped), right front backrest heated cushion (if equipped), front passenger seat partially electric seat adjustment switch (if equipped), right front seat adjustment switch group (if equipped), front passenger seat lumbar support adjustment control unit (if equipped), front passenger seat lumbar support pneumatic pump (if equipped), weight sensing system (wss) control unit (if equipped), front passenger side bag squib & vehicle interior power outlet (w/ rear socket)
• Fuel pump control unit
• Left engine hood contact switch (c-class), front electrical prefuse box (w/ eco start/stop function), left fanfare horn, clutch pedal switch (m/t), start enable clutch pedal switch (m/t), headlamp cleaning system pump (if equipped) windshield washer system pump & left front side marker lamp (c-class)
• Me-sfi (me) control unit, front sam control unit w/ fuse & relay module, cylinder 1 ignition coil, cylinder 2 ignition coil, cylinder 3 ignition coil, cylinder 4 ignition coil, cylinder 5 ignition coil & cylinder 6 ignition coil
• Rear window interference suppression
• Rear window suppression capacitor 1 (c-class)
• Rear window suppression capacitor 2 (c-class)
• Right fanfare horn, stationary heater switch over valve (if equipped), radiator sensor for engine diagnosis, right daytime running lamps headlamp (if equipped), right engine hood contact switch (w/ eco start/stop), front electrical prefuse box (w/ eco start/stop function), stationary heater unit (if equipped), right front lamp unit, right front side marker lamp, right fog lamp (w/ standard equipment) & coolant circulation pump (w/ 3 zone thermotronic) control unit of fuel filter w/ condensation sensor for heating element
• Tailgate door)
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W15/8 (right front footwell)
• W16/3 (left side engine compt)
• W16/4 (right side engine compt)
• W16/5 (left rear engine compt)
• W19 (under right front seat)
• W26 (under front center console)
• W29/3 (left "c" pillar)
• W29/4
• W48/2 (glk-class: rear roof)
• W76 (under right rear seat)
• W8/1 (glk-class: tailgate door)
• W8/2 (glk-class: center cargo area roof)
• W8/4 (glk-class:
• W8/5 (glk-class: right cargo area)

HEADLIGHTS

Headlights Wiring Diagram, with Xenon Lamps (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Headlights Wiring Diagram, with Xenon Lamps (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• 16s
• 30g
• 58d
• C11c
• C14m
• C15m
• C17c
• C20m
• C21m
• C22i
• C5c
• C7i
• Can b h
• Can b l
• Computer data lines system
• Exterior lights switch
• Front electrical prefuse box (right rear of engine compt)
• Front fog lamp button
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 10a
• Fuse 150a
• Fuse 20a
• Fuse 7.5a
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Hot w/circuit 15 relay energized
• Illumination
• Interior lights system
• Lds1
• Lds2
• Lds3
• Left daytime running lamp (if equipped)
• Left fog lamp (if equipped)
• Mg1
• Mr2
• Pnk/red
• Rear fog lamp button
• Red
• Right active curve illumination actuator motor
• Right active curve illumination actuator sensor
• Right cornering
• Right fog lamp (if equipped)
• Right front lamp unit
• Right headlamp range adjustment actuator motor
• Right light distribution actuator motor
• Right light distribution position sensor
• Right xenon bulb
• Stop function
• Switch illumination
• W/ eco start/ stop function
• W/ integrated ignition module
• W/o eco start/
• W16/3 (left side of engine compt)
• W16/4 (right side of engine compt)
• W9 (left front wheelwell)
• X18-c3

Headlights Wiring Diagram, with Xenon Lamps (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Headlights Wiring Diagram, with Xenon Lamps (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (in left front wheelwell) left front level sensor
• (in left rear wheelwell) left rear level sensor
• (left side of trunk/cargo area) rear sam control unit w/ fuse & relay module
• +5v
• Abbl-l
• Abbl-r
• C5h
• C9i
• Can b h
• Can b l
• Can e h
• Can e l
• Can g h
• Can g l
• Combination switch
• Computer data lines system
• Front fog lamps indicator lamp
• Headlamp control unit
• Headlamp flasher/ high beam switch
• High beam indicator
• Illumination
• Instrument cluster
• Left active curve illumination actuator motor
• Left active curve illumination actuator sensor
• Left cornering
• Left front lamp unit
• Left headlamp range adjustment actuator motor
• Left light distribution actuator motor
• Left light distribution position sensor
• Left rear lamp unit
• Left xenon bulb
• Lin
• Low beam indicator lamp
• Low beam switch
• Rear fog lamp
• Rear fog lamp indicator
• Right daytime running lamp (if equipped)
• Right rear lamp unit
• Sig
• Steering column module control unit (top of steering column)
• W/ integrated ignition module
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W16/4 (right side of engine compt)
• W7 (right side of trunk)
• X35/6-c5
• X35/6-c9
• X62/32-c1

Headlights Wiring Diagram, without Xenon Lamps for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Headlights Wiring Diagram, without Xenon Lamps for Mercedes-Benz C300 Sport 4Matic 2012:

• (left front footwell) w15/5
• (left side of trunk/cargo area) rear sam control unit w/ fuse & relay module
• (right side of trunk) w7
• (top of steering column) steering column module control unit
• 16s
• 30g
• 55l
• 55r
• 56a r
• 56al
• 56b l
• 56b r
• 58d
• Air conditioning system
• C11c
• C14m
• C15m
• C17c
• C18m
• C20m
• C21m
• C22i
• C2i
• C5c
• C5h
• C9i
• Can b h
• Can b l
• Can c h
• Can c l
• Can e h
• Can e l
• Combination switch
• Computer data lines system
• Exterior lights switch
• For halogen headlamps headlamps
• Front electrical prefuse box (at right rear of engine compt)
• Front fog lamp button
• Front fog lamp ind
• Front sam control module w/ fuse & relay module (left rear of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 10a
• Fuse 150a
• Fuse 7.5a
• Headlamp flasher/ high beam switch
• Headlamp range adjustment actuator motor
• Headlamp range controller (w/ headlamp adjustment for halogen headlamps)
• High beam
• High beam ind
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ quiescent current cutout relay energized
• Instrument cluster
• Lds1
• Lds2
• Lds3
• Left daytime running lamp (if equipped)
• Left fog lamp
• Left front lamp unit
• Left rear lamp unit
• Low beam
• Low beam ind
• Low beam switch
• Lwr
• Mg1
• Mr2
• Pnk/red
• Rear fog lamp
• Rear fog lamp button
• Rear fog lamp ind
• Red
• Right daytime running lamp (if equipped)
• Right fog lamp
• Right front lamp unit
• Right rear lamp unit
• Switch illumination
• W/ eco start/stop function
• W/ headlamp adjustment
• W/o eco start/stop function
• W16/4 (right side of engine compt)
• W16/4 (right side of engine compt)
• W16/5 (left rear of engine compt)
• W7 (right side of trunk)
• W9 (in left front wheelwell)
• X18-c3

HORN

Horn Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Horn Wiring Diagram for Mercedes-Benz C300 Sport 4Matic 2012:

• 14m
• 15m
• C15m
• C22i
• C5c
• Can b h
• Can b l
• Can e h
• Can e l
• Center horns button
• Computer data lines system
• Fanfare horn relay
• Fanfare horns & air bag clock spring contact (c-class: top of steering column) (glk-class: integral to steering column)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 31b 15a
• Fuse 7.5a
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Left fanfare horn (behind left side of front bumper)
• Left fanfare horn system button
• Relay
• Right fanfare horn (behind right side of front bumper) c1
• Right fanfare horn system button
• Steering column module control unit (top of steering column)
• Steering wheel electronics
• W15/5 (left front footwell)
• W16/3 (left side engine compt)
• W16/3 (left side of engine compt)
• W16/4 (right side of engine compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (right front of engine compt) coolant level switch
• Acoustic turn signal light function check
• Anti-lock brake system indicator lamp
• Bbv hl
• Bbv hr
• Bfs
• Brake system warning lamp
• C11c
• C15m
• C17c
• C19i
• C20m
• C22i
• C5c
• Can b h
• Can b l
• Can e h
• Can e l
• Computer data lines system
• Coolant temperature gauge
• Coolant temperature warning lamp
• Digital clock & outside temperature indicator
• Distronic warning lamp
• Driver seat belt buckle restraint systems switch (in driver seat belt buckle)
• Electronic stability program warning lamp
• Engine diagnosis malfunction indicator lamp
• Espa/asr off warning lamp
• Front fog lamp indicator lamp
• Front passenger seat belt buckle restraint systems switch (front passenger seat belt buckle)
• Front passenger seat occupied recognition (w/ seat belt reminder warning) (c-class: front passenger's seat cushion)
• Front sam control unit w/ fuse & realy module (left rear of engine compt)
• Fuel level indicator
• Fuel reserve indicator lamp
• Fuse 7.5a
• Gear indicator (prnd)
• Gss, bf
• Gss, fa
• High beam indicator lamp
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Instrument cluster
• Instrument illumination
• Instrument illumination brightness control
• Left turn signal ind lamp
• Lin 1
• Low beam indicator lamp
• Multi-function display
• Rear fog lamp indicator lamp
• Return line
• Right turn signal ind lamp
• Sbe
• Seat belt warning lamp
• Service brake indicator lamp
• Sig
• Speedometer
• Standing lamps indicator lamp
• Tachometer & brightness sensor
• Tire pressure monitor warning lamp (if equipped)
• Transmission mode display (s)
• Travel distance display
• W15/5 (left front footwell)
• W16/3 (left side of engine compt)
• Warning buzzer
• X28/18
• X55/3-c2
• X55/4-c2

Instrument Cluster Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• 30g
• Anti-theft alarm system indicator lamp
• Ata (edw) function indicator
• Automatic child seat recognition air bag off indicator lamp
• Automatic child seat recognition warning lamp
• Brake fluid level switch (brake fluid reservoir)
• C7i
• C9i
• Can b h
• Can b l
• Can c h
• Can c l
• Computer data lines system
• Downhill speed regulation button (glk class)
• Eco start/ stop function button
• Electronic selector lever module control module (under center console)
• Esp button
• Glk class early production
• Glk class late production & c class
• Hazard warning flasher switch
• Hazard warning system button
• Instrument panel switch group
• Left front heated seat button
• Left front seat ventilation button
• Left fuel level indicator sensor (in fuel tank)
• Lin 1
• Nca
• Offroad program button (glk class)
• Parking brake indicator switch (parking brake support bracket)
• Parking system button
• Rear head restraints button
• Rear sam control unit w/ fuse & relay module (left side trunk/ cargo area)
• Rear window roller sun blind button
• Right front brake pad wear sensor (right front brake assembly)
• Right front heated seat button
• Right front seat ventilation button
• Right fuel level indicator sensor (in fuel tank)
• Right rear brake pad wear sensor (right rear brake assembly)
• Stationary heater button
• Tg l
• Tg r
• Upper control panel control unit
• Vehicle dynamics button
• W15/5 (left front footwell)
• W19 (under right front seat)
• W7 (right side of trunk)
• X62/33-c3
• X62/6

Overhead Console Wiring Diagram, with Sunroof (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Overhead Console Wiring Diagram, with Sunroof (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (center front of trunk) emergency call system control unit
• 15r
• 30g
• 58d
• C13d
• C15m
• C19i
• Can b h
• Can b l
• Computer data lines system
• Front dome lamp switch
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 30a
• Hot w/ quiescent current cutout relay energized
• Hs (+)
• Hs 1
• Hs 2
• Info
• Info led
• Interior lamp automatic function switch
• Interior lights system
• Interior protection switch (w/ tow-away protection & interior protection)
• Interior temperature sensor w/ integrated fan
• Left front interior lamp
• Left front reading lamp switch
• Lin 2
• Ll l 12v
• Ll r 12v
• Motor +
• Motor -
• Overhead control panel control unit (center rear of trunk)
• Pnk
• Power tops system
• Rear dome lamp switch
• Red
• Right front interior lamp
• Right front reading lamp switch
• Sos
• Sos led
• Tilting/ sliding roof switch
• Towing sensor button (w/ tow-away protection & interior protection)
• W16/3 (left side of engine compt)
• W18/3 (under dirver's seat)
• Ws led
• X18/37

Overhead Console Wiring Diagram, with Sunroof (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Overhead Console Wiring Diagram, with Sunroof (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (not used)
• 58d
• Ambient lamp
• Ass led
• Ass off
• Automatic dimming mirror
• C5h
• C7i
• C8d
• Can b h
• Can b l
• Compass display button
• Compass module w/ display (if equipped)
• Computer data lines system
• Forward automatic dimming mirror light sensor
• Fuse 7.5a
• Garage door opener
• Garage door opener button 1
• Garage door opener button 2
• Garage door opener button 3
• Garage door opener indicator lamp
• Gnd
• Hands-free system microphone
• Hot at all times
• Inside rearview mirror
• Interior protection & tow-away protection control unit (if equipped) (center front of roof)
• Interior protection receiver (integral to interior protection & tow-away protection control unit)
• Irs led
• Irs-off
• Left interior protection transmitter (integral to interior protection & tow-away protection control unit)
• Left reading lamp
• Light sensor (w/o rain/light sensor) rain/light sensor (w/ rain/light sensor) (top center of windshield)
• Lin b4
• Mic 1
• Mic 2
• Nca
• Pnk
• Radio (w/ audio 20) comand control unit (w/o audio 20)
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Rearward automatic dimming mirror light sensor
• Red
• Right interior protection transmitter (integral to interior protection & tow-away protection control unit)
• Right reading lamp
• Shield
• W7 (right side of trunk)
• X18/2

Overhead Console Wiring Diagram, without Sunroof (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Overhead Console Wiring Diagram, without Sunroof (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (not used)
• 58d
• Ambient lamp
• Ass led
• Ass off
• Automatic dimming mirror
• C5h
• C7i
• C8d
• Can b h
• Can b l
• Compass display button (usa)
• Compass module w/ display (usa)
• Computer data lines system
• Forward automatic dimming mirror light sensor
• Fuse 7.5a
• Garage door opener
• Garage door opener button 1
• Garage door opener button 2
• Garage door opener button 3
• Garage door opener indicator lamp
• Glk-class
• Gnd
• Hands-free system microphone
• Hot at all times
• Inside rearview mirror
• Interior protection & tow-away protection control unit (if equipped) (center front of roof)
• Irs led
• Irs-off
• Left reading lamp
• Left rear window glass breakage sensor
• Lin b4
• Mic 1
• Mic 2
• Nca
• Overhead control panel electronics (center rear of trunk)
• Pnk
• Radio (w/ audio 20) comand control unit (w/o audio 20)
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Rear window glass breakage sensor
• Rearward automatic dimming mirror light sensor
• Red
• Right reading lamp
• Right rear window glass breakage sensor
• S gb
• Shield
• W6/1 (glk class: left rear cargo panel)
• W7 (right side of trunk)
• X143/3
• X18/19
• X18/2

Overhead Console Wiring Diagram, without Sunroof (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Overhead Console Wiring Diagram, without Sunroof (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (center front trunk/cargo area) emergency call system control unit
• (or red)
• (under driver's seat) (c-class) w18/3 w16/3 (glk-class) (left side of engine compt)
• (w/ 2-zone thermatic & 3-zone thermotronic) automatic air conditioning control & operating unit
• 12v
• 15r
• 30 rls
• 30g
• 58d
• C13d
• C15m
• C19i
• C5c
• Front dome lamp switch
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot w/ quiescent current cutout relay energized
• Info
• Info led
• Interior lamp automatic function switch
• Interior lights system
• Interior protection receiver (c class: integral to interior protection & tow-away protection control unit)
• Interior protection switch (w/ tow-away protection & interior protection)
• Interior temperature sensor w/ integrated fan
• Left front interior lamp
• Left front reading lamp switch
• Left interior protection transmitter (c class: integral to interior protection & tow-away protection control unit)
• Light sensor (rain/light sensor) rain/light sensor (w/ rain/light sensor) (top center of windshield)
• Lin 2
• Ll l 12v
• Ll r 12v
• Nca
• Ntc
• Overhead control panel electronics (center rear of trunk)
• Pnk
• Power tops system
• Rear dome lamp switch
• Red
• Right front interior lamp
• Right front reading lamp switch
• Right interior protection transmitter (c class: integral to interior protection & tow-away protection control unit)
• Sig
• Sos
• Sos led
• Towing sensor button (w/ tow-away protection & interior protection)
• W16/3 (left side of engine compt)
• Ws led
• X18/37

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (if equipped) left front footwell lamp
• (if equipped) right front footwell lamp
• (left rear engine compartment)
• (rear of glove box) glove box lamp switch
• 30g
• 58d
• 6hd
• C11c
• C13d
• C14m
• C16s
• C17c
• C22i
• Can-b h
• Can-b l
• Computer data lines system
• Front dome lamp switch
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 7.5a
• Glk-class
• Glove box lamp
• Hot w/ circuit 15r relay energized
• Interior lamp automatic function switch
• Interior protection switch
• Left front
• Left front interior lamp
• Left front mirror lamp switch
• Left rear reading lamp
• Left rear reading switch
• Left sun visor mirror lamp
• Ll l 12v
• Ll r 12v
• Overhead control panel control module (w/ power glass tilting/ sliding sunroof) (c-class) overhead control panel electronics (w/o power glass tilting/ sliding sunroof)
• Pnk
• Reading lamp switch
• Rear dome lamp
• Rear dome lamp switch
• Rear interior lamp
• Rear sam control unit w/ fuse & relay module (left side trunk/cargo area)
• Red
• Right front
• Right front interior lamp
• Right front mirror lamp switch
• Right rear reading lamp
• Right rear reading switch
• Right sun visor mirror lamp
• Sig
• W/ avantgarde & elegance
• W/ classic
• W15/5 (left front footwell)
• W16/5
• W7/1 (glk-class: right side of cargo area/trunk) (c-class: right side of trunk)
• X29/1

Courtesy Lamps Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (+)
• (-)
• (c-class)
• (glk-class: right rear door assembly) (c-class: rear of right rear door) right rear door control unit
• (w/ interior lights package) left front door exit & warning lamp
• (w/ interior lights package) left rear door exit & warning lamp
• (w/ interior lights package) right front door exit & warning lamp
• (w/ interior lights package) right rear door exit & warning lamp
• Ambient lamp
• Can b h
• Can b l
• Computer data lines system
• Flat wire
• Front electrical prefuse box (right rear engine compt)
• Fuse 150a
• Hot at all times
• Hot w/ quiescent current cutout relay
• Ig1
• Inside rearview mirror
• Left front door control module (glk-class: left front door assembly) (c-class: front of left front door)
• Left front door handle illumination (w/ interior lights package)
• Left front door handle recess illumination
• Left luggage compartment lamp (glk-class)
• Left reading lamp
• Left rear door control unit (glk-class: left rear door assembly) (c-class: rear of left rear door)
• Left rear door handle illumination (w/ interior lights package)
• Left rear door handle recess illumination
• Left tailgate ambient lamp & warning lamp
• Mr2
• Pnk
• Red
• Right front door control module (glk-class: right front door assembly) (c-class: front of left front door)
• Right front door handle illumination (w/ interior lights package)
• Right front door handle recess illumination
• Right luggage compartment lamp
• Right reading lamp
• Right rear door handle illumination (w/ interior lights package)
• Right rear door handle recess illumination
• Tailgate contact switch
• Tailgate external operation switch
• W/ eco start/stop function
• W/o eco start/stop function
• W18 (under driver's seat)
• W7 (glk-class: right side of cargo area/trunk) (c-class: right side of trunk)
• W7 (right side of trunk)
• W7/1 (glk-class) w7 (c-class) (glk-class: right side of cargo area/ trunk) (c-class: right side of trunk)

Instrument Illumination Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (c-class: under driver's seat) (glk-class: left rear cargo panel) (c-class) w18/3 (glk-class) w6/1
• 14m
• 16s
• 17c
• 19i
• 30g
• 58d
• Automatic transmission mode button
• C11c
• C17c
• C22i
• C9g
• Can b h
• Can b l
• Can c h
• Can c l
• Computer data lines system
• Electronic selector lever module control module (a/t) (under center console)
• Exterior lights switch
• Front cigarette lighter w/ ashtray illumination (w/ smoker package)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Front vehicle interior power outlet (w/o smoker package)
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ engine circuit 87 relay energized
• Instrument cluster
• Instrument illumination & instrument illumination brightness control
• Lwr
• Nca
• Overhead control panel control unit (w/ can)
• Overhead control panel electronics (w/o can)
• Pnk/red
• Red
• Shift gate symbol illumination
• Switch illumination
• W/o xenon lamps
• W15/5 (left front footwell)
• W16/5 (left rear engine compt)
• W18 (under driver's seat)
• W19 (under right front seat)
• X18-c3
• X18/37

Instrument Illumination Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Mercedes-Benz C300 Sport 4Matic 2012:

• (left front footwell) w15/5
• (w/ air outlet symbol illumination)
• 58d
• Automatic air conditioning control & operating unit
• Can b h
• Can b l
• Computer data lines system
• Flat wire
• Front electrical prefuse box (at right rear of engine compt)
• Fuse 150a
• Gnd
• Hot at all times
• Left center air outlet symbol illumination
• Left front door central locking interior switch
• Left front door control module (glk-class: left front door assembly) (c-class: front of left front door)
• Left front side air outlet symbol illumination
• Left rear door control unit (glk-class: left rear door assembly) (c-class: rear of left rear door)
• Left rear power window switch
• Mr2
• Nca
• Passenger side power window switch
• Rear air outlet symbol illumination
• Rear automatic air conditioning operating unit (w/ air outlet symbol illumination thermotronic)
• Red
• Right center air outlet symbol illumination
• Right front door central locking interior switch
• Right front door control module (glk-class: right front door assembly) (c-class: front of left front door)
• Right front side air outlet symbol illumination
• Right rear door control unit (glk-class: right rear door assembly) (c-class: rear of right rear door)
• Right rear power window switch
• Trunk lid release button (w/ trunk lid control) driver tailgate control button (w/ tailgate control)
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• X18/35-c1