Mercedes-Benz C-Class W204 (2007-2014) - fuse box - Fuse box diagrams (2024)

Year of production:2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014.

TheCigarette Lighter (Power Outlet)fuseson the Mercedes-Benz C-Classare fuse # 9 (glove box power socket) in the engine compartment fuse box and fuses # 71 (front cigarette lighter, front interior power socket), # 72 (cargo space connector box, socket 115V power supply), # 76 (inside power socket) in the luggage compartment fuse box.

NumberDescriptionAmperes [A]1Electronic stability program control unit252Left front door control unit303Valid until 3/31/10:

Right front doorcontrol unit

Valid from 1.4.10 with model204.0 / 2/9:

Right rear doorcontrol unit

304until August 31, 2008:

Fuel pump regulator;

Valid for engine 156 until 08/31/08:

Fuel pump regulator – right and left;

Valid for engine 642, engine 651:

Fuel filter with condensation sensor; heating element;

Valid for engine 651 up to 31.5.10, engine 646:

Fuel filter condensation sensor controller with heating element.

7.5Valid for diesel engine as of 1.9.08:

Fuel filter condensation sensor with heating element;

Valid for engine 276 (USA, South Korea):

Activated carbon container shut-off valve;

Valid for model 204.0 / 2/3 as of 1.3.11, 204.9 as of 1.6.12:

Headlamp control unit.

205Rear SAM control unit with fuse and relay module;

Valid as of 1.6.10:

Exterior lights switch;

Valid for engine 156 Black Series as of 1.7.11:

Rear axle differential coolant circuit relay.

7.56Valid for diesel engine:

ME-SFI [ME] control unit;

Valid for gasoline engine:

CDI control unit.

107Starter208Supplementary restraint system control unit7.59Power socket in the glove box1510Wiper motor3011Audio / COMAND display;

Audio / COMAND control panel;

Navigation module holder.

7.512Automatic air conditioning control and control unit;

Top control panel.

7.513Steering column module control unit;

Multifunctional camera.

7.514Electronic stability program control unit7.5Headlamp control unit2015Supplementary restraint system control unit7.516Diagnostic connector (up to 5/31/09);

Electric cell phone connector;

Valid for gearbox 722:

Electronic gear lever module control unit.

5ECO start / stop function:

Electric gear oil pump

2017Control module with panoramic sliding roof;

Control unit with a control panel.

3018Valid until 30/11/09:

Exterior lights switch;

Valid for model 204.0 / 2 as of 1.3.11, model 204.3:

Top control unit of the control panel;

Valid for model 204.0 / 2 to 28.2.11, model 204.9:

Air conditioning on the instrument panel;

LIN positive wire connector sleeve;

Vehicle interior and wiring harness for taillight electrical connector.

7.519Electric steering lock control unit;

Electronic ignition lock control unit.

2020Electronic stability program control unit4021Stop light switch;

Lamp switch in the glove box;

Front passenger seat occupancy recognition and ACSR electric fuse for electronic toll collection pre-installation (Japan).

7.522Internal combustion engine fan motor and air conditioning with integrated controls;

Interior harness and engine harness electrical connector.

1523Interior harness and engine harness electrical connector;

Valid for diesel engine:

Rear SAM control unit with fuse and relay module;

CDI control unit;

Terminal 87 connector sleeve;

Valid for engine 271:

Terminal 87 M1e connector sleeve;

Valid for engine 272:

Circuit 87 M1i connector sleeve.

2024Electrical connector inside the wiring harness
and engine connections;

theinterior harness andelectric motor harness connector;

Important for Engine 642:

Drive Radiator Flaps;

Valid to engine 272:

Terminal 87 M1E Coupling sleeve;

Important for a diesel engine:

Compression sleeve 87 for the connector;

Valid to engine 646:

CDI control unit.

1525Valid for engine156, 271, 272, 274, 276:

ME-SFI [ME] control unit;

Valid for diesel engine:

Oxygen sensor in front of the catalyst;

Valid from 1.6.10 for model 204.3 with engine 651 Sports version:

Exhaust sound generator control unit.

1526Radio;

Radio with an autopilot system;

COMAND control unit.

2027Electric steering wheel lock control unit;

Electronic ignition lock control unit;

Valid for diesel engine:

CDI control unit;

Valid for gasoline engine:

ME-SFI [ME] control unit.

7.528Instrument cluster7.529Right headlight assembly1030Left Headlight Assembly;

Valid for engine 642:

Electrical connector for interior harness and engine wiring harness.

1031ALeft horn;

Right horn.

1531BLeft horn;

Right horn.

1532Valid for engines 156, 271, 272, 276:

Electric air pump

40Valid for engine 156:

Oil cooler fan motor

2033Valid for gearbox 722.6:

Electronictransmission control unit;

Valid for gearbox 722.9:

Thefully integrated control unit control transmission.

1034Valid for engines 271, 272 as of 1.9.08:

Fuel pumpcontroller;

Valid for engine 156 as of 1.9.08:

Left fuel pump controller;

Right fuel pump controller.

7.535Valid from 1.3.11:

Electronic stability program control unit.

536Valid from 1.3.11:

Electric controller DISTRONIC;

Valid for model 204.902 / 982/984:

Electro-hydraulic power steering.

7.5RelayJ.Circuit 15 relayK.Terminal 15R relayLBackup relayM.Starter relay circuit 50OEngine circuit 87 RelayOFanfare horn relayP.Valid for engines 156, 272, 276:

Secondary air injection relay

QBackup relayRChassis circuit 87 relay
NumberDescriptionAmperes [A]37from 2008:

Driver’s seat Headrest electromagnet NECK-PRO;

Front passenger seat NECK-PRO headrest solenoid valve.

5up to 2008:

Driver’s seat NECK-PRO headrest solenoid valve;

Front passenger seat NECK-PRO headrest solenoid valve.

7.538Tailgate Wiper Motor1539Valid for model 204.0 / 2/9 except UK vehicles up to 31.5.09:

Rear door control unit

3040Reserve–41Valid for model 204.0 / 2/9 to 31.3.10:

Right rear doorcontrol unit;

Valid from 1.4.10

Right front doorcontrol unit,

3042Valid for gasoline engine or engine 642 as of 1.12.09 or engine 651 as of 1.6.09:

Fuel pump control unit

25Valid for engine 646 or engine 642 up to 30.11.09 or engine 651 up to 31.5.09:

Fuel pump;

Valid for gasoline engine (up to 2009):

Fuel pump control unit.

2043Valid from 1.6.09 with automatic air conditioning:

Rear blower motor

544Switch group, right front seat setting;

Switch group, front passenger seat setting.

3045Left front seat adjustment switch group;

Left front driver seat adjustment switch group.

3046Antenna amplifier for rear windowFM antenna;

Alarm siren;

Internal guard and anti-towing control unit;

Rear window antenna amplifier 1;

TV 1 antenna amplifier and DAB III band;

TV 2 antenna amplifier and DAB III band;

KEYLESS-GO.

7.547Reserve–48Reserve–49Rear window heating4050Right front reversible emergency tensioner5051Left front reversible emergency tensioner (A76)5052Reserve–53from 2008:

Trailer recognition control unit

15up to 2008:

Trailer recognition control unit

3054to 31.5.09:

Trailer recognition control unit;

Valid for model 204.075 / 077/275/277:

Driver seat lumbar support and side support switch group;

Passenger seat lumbar support and side adjustment switch groups;

Front passenger seat AMG valve block;

Driver’s seat AMG valve block.

7.5as of 1.6.09:

Trailer recognition control unit

1555Valid from 1.6.09:

AdBlue.

556Trailer recognition control unit;

Trailer socket.

15Valid for models 204.077 / 277/377 up to 31.5.09:

Driver seat lumbar support and side support switch group;

Front passenger seat lumbar support and side support adjustment switch groups;

AMG passenger seat Valve block;

Driver’s seat AMG valve block.

557Trailer recognition control unit2058from 2008:

Trailer recognition control unit

20up to 2008:

Trailer recognition control unit

3059from 2008:

Parking system control unit;

Left front bumper DISTRONIC (DTR) sensor;

Right front bumper DISTRONIC (DTR) sensor;

Left rear bumper smart radar sensor;

Smart rear right bumper radar sensor.

5up to 2008:

PARKTRONIC control unit;

Radar sensors control unit.

7.560Multicontour seat pneumatic pump7.561Liftgate controller4062Driver seat control unit3063Front passenger seat control unit3064DC / AC converter control unit2565Adaptive damping system control unit;

Steering column lever module control unit.

1566Reserve–67from 2008:

Sound system amplifier control unit

30up to 2008:

Sound system amplifier control unit

4068Reserve2069Rear subwoofer amplifier2070Tire pressure monitor control unit571Front cigarette lighter with ashtray lighting;

Interior power socket.

1572Cargo space junction box;

115V power socket

1573Diagnostic connector (from 1.6.09);

Stationary radio receiver for remote control of the heater;

Valid for engine 156 as of 1.7.11:

Transmission mode control unit.

7.574KEYLESS-GO control unit1575Stationary heater2076Vehicle interior power socket1577Mass detection system (WSS) control unit7.578Left front seat ventilation blower regulator;

Right front seat ventilation blower regulator.

7.579Parking system control unit580Video and radar sensor system control unit;

Parking system control unit.

7.581Multimedia interface control unit582Cellular telephone system compensator;

UMTS TV tuner control unit (up to 5/31/09; Japan);

Digital TV tuner (up to 5/31/09; Japan).

583Electronic toll collection control unit (Japan);

Emergency call system control unit;

Reversing camera;

Left rear display;

Right rear display.

7.584Satellite digital audio radio (SDAR) control unit;

SDAR / high definition tuner control unit;

Digital audio broadcasting control unit;

Reversing camera power module;

Reversing camera control unit;

360 ° camera control unit.

7.585TV tuner control unit (up to 5/31/09; Japan);

Digital TV tuner (from 1.6.09; Japan).

7.586DVD player7.587Emergency call system control unit7.588Valid from 1.6.09

Reserve

–89Valid from 1.6.09:

Trailer recognition control unit;

Valid as of 1.6.09 with engine 156:

Oil cooler fan motor relay.

2090Valid from 1.6.09:

AdBlue®fuse block;

AdBlue®supply relay.

4091DC / AC converter control unit25ECO start / stop:

Auxiliary gear oil pump control unit;

Valid for engine 642:

Heating element for the deaeration hose.

2092Valid as of 1.6.09:
Spare.–Relay
Terminal 15 relayBCircuit 15R relay (1)C.Heated rear window relayDValid for diesel engine:

Fuel pump relay

E.Rear window wiper relayF.Seat adjustment relayG.Circuit 15R relay (2)

The fuse box is located on the driver’s side of the instrument panel behind a cover.

NumberDescriptionAmperes [A]150without ECO start / stop:

Pyrofuse 88

400ECO start / stop:

Alternator;

Starter.

200151Internal combustion engine fan motor and air conditioning with integrated controls100152Front SAM control unit with fuse and relay module150153without ECO start / stop:

Reserve

100ECO start / stop function and front battery position:

Front SAM control unit with fuse and relay module

60154ECO start / stop function and front battery position:

Front SAM control unit with fuse and relay module.

60Valid for diesel engine and ECO start / stop:

PTC heater amplifier

150155without ECO start / stop:

Reserve

50ECO start / stop function:

Reserve

100156Valid for diesel engine without ECO start / stop:

PTC heating amplifier

150ECO start / stop function:

Front SAM control unit with fuse and relay module

100157For model 204.902 / 982/984 without ECO start / stop function:

Electro-hydraulic power steering;

ECO start / stop:

Reserve.

100158without ECO start / stop:

Blower regulator

50ECO start / stop:

Rear SAM control unit with fuse and relay module

150159Special purpose vehicle multifunction control unit50ECO start / stop:

Additional battery relay

200160without ECO start / stop:

Reserve

60ECO start / stop:

Blower regulator

50161without ECO start / stop:

Front SAM control unit with fuse and relay module

100Special purpose vehicle multifunction control unit50162without ECO start / stop:

Reserve

100ECO start / stop:

Reserve

60163without ECO start / stop:

Rear SAM control unit with fuse and relay module

150164without ECO start / stop function:

Rear SAM control unit with fuse and relay module

80

It is located in the trunk (right-hand side), behind the lid.

Mercedes-Benz C-Class W204 (2007-2014) - fuse box - Fuse box diagrams (2024)

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