Mercedes-Benz C-Class W204 (2007-2014) - fuse box - Cars Fuse Box Diagrams (2024)

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

Fuses Mercedes-Benz C-class cigarette lighter fuses (power outlets) is fuse #9 (glovebox power socket) in the engine compartment fuse box and fuses #71 (front cigarette lighter, front interior power socket), #72 (cargo compartment junction box, 115 V power socket), #76 (interior power socket) in the luggage compartment fuse box.

No.DescriptionAmps [A]1Electronic Stability Program Control Unit252Front left door control unit303Valid until 31.3.10:

Controller right front door

Valid from 1.4.10 with model 204.0 / 2/9:

Controller Right rear door

304until 31.08.08:

Fuel pump regulator;

Valid for 156 engines until 31.08.08:

Fuel pump regulator – right and left;

Valid for 642 engine, 651 engine:

Condensation sensor heating element fuel filter;

Valid for engine 651 until 31.5.10, engine 646:

Fuel filter condensation sensor controller with heating element.

7,5Valid for diesel engine from 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 204.0 / 2/3 of 1.3.11, 204.9 of 1.6.12:

Headlight control unit.

205Rear SAM control unit with fuse and relay module;

Effective 1.6.10:

Outdoor light switch;

Valid for 156 series black engine from 1.7.11 onwards:

Rear axle differential cooling circuit relay.

7,56Applies to the diesel engine:

ME-SFI control unit [ME];

Applies to gasoline engine:

CDI control unit.

107Starter208Additional control unit for the restraint system7,59Power socket in the glove box1510Wiper Motor3011Audio Screen / COMM;

Audio / COMMAND control panel;

Support for navigation module.

7,512Automatic control unit and air conditioning control;

Upper control panel.

7,513Steering column module control unit;

Multifunction camera.

7,514Electronic Stability Program Control Unit7,5Headlight control unit2015Additional control unit for the restraint system7,516Diagnostic connector (until 31.5.09);

Electrical connector for cell phones;

Applies to the 722 gearbox:

Electronic control unit for the shift lever module.

5ECO start/stop function:

Electric transmission oil pump

2017Control module with sliding panoramic roof;

Control unit with control panel.

3018Valid until 30.11.09:

Outdoor light switch;

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

Upper control panel control unit;

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

Air conditioning in the instrument panel;

LIN positive cable connector sleeve;

Vehicle interior and wiring harness for the rear light electrical connector.

7,519Electric control of the steering lock;

Electronic ignition interlock control unit.

2020Electronic Stability Program Control Unit4021Stop light switch;

Glove box light switch;

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

7,522Internal combustion engine fan motor and air conditioner with integrated control;

Electrical connector of the internal harness and engine wiring harness.

1523Electrical connector for internal wiring harness and motor wiring harness;

Applies to diesel engine:

Rear SAM control unit with fuse and relay module;

CDI control unit;

See Also
Fuse box diagram Mercedes 204 and relay with designation and locationMercedes-Benz Fuse Box Diagrams • FuseCheck.comFuse Box Diagram Mercedes-BenzFuse Box Diagram Mercedes-Benz C-Class (W204; 2008-2014)

Terminal 87 connector sleeve;

Applies to motor 271:

Clamp 87 M1and connecting bushing;

Applies to motor 272:

87 M1i circuit connection bushing.

2024Electrical connector for inside wiring harness and wiring harness motor connections
Inner electrical connector and wiring harness motor connector;Important for the 642 engine:Cooling tabs;Valid for engine 272:

Clamp 87 M1E Connecting sleeve;

Important for the diesel engine:

Tightening sleeve 87 connector;

Valid for motor 646:

CDI control unit.

1525Valid for engine 156, 271, 272, 274, 276:

ME-SFI control unit [ME];

Valid for diesel engine:

Oxygen sensor before catalytic converter;

Valid as of 1.6.10 for model 204.3 with engine 651 sport version:

Control unit for the sound generator of the exhaust system.

1526Radio;

Radio with autopilot system;

COMAND control unit.

2027Electric steering lock control unit;

Electronic ignition interlock control unit;

Applies to diesel engine:

CDI control unit;

Applies to gasoline engine:

ME-SFI control unit [ME].

7,528Instrument cluster7,529Right Front Light Assembly1030Left front light assembly;

Valid for 642 engine:

Electrical connector for internal wiring harness and engine wiring harness.

1031ALeft horn;

Right horn.

1531BLeft horn;

Right horn.

1532Applies to 156, 271, 272, 276 motors:

Electric air pump

40Valid for the 156 engine:

Oil cooling fan motor

2033Valid for 722.6 gearbox:

Electronic control unit Transmission;

Valid for 722.9 gearbox:

W Fully integrated gearbox control unit.

1034Valid for 271, 272 engines from 1.9.08 onwards:

Controller fuel pumps;

Valid for 156 engines as of 1.9.08:

Left fuel pump control unit;

Right fuel pump controller.

7,535Effective 1.3.11:

Electronic control unit for the stability program.

536Effective 1.3.11:

DISTRONIC electrical controller;

Valid for model 204.902 / 982/984:

Electro-hydraulic power steering.

7,5RelayJRelay Circuit 15K.Terminal 15R RelayLReservation courierMCircuit 50 start relayOMotor Circuit 87 RelayOFanfare horn relay relaysP.Valid for 156, 272, 276 motors:

Secondary air injection relay

QReservation courierR87 relay chassis circuit
No.DescriptionAmps [A]37from 2008 onwards:

NECK-PRO electro-magnetic headrest driver’s seat;

NECK-PRO front passenger seat headrest solenoid.

5until 2008

NECK-PRO headrest driver’s seat solenoid;

NECK-PRO front passenger seat solenoid valve for headrest.

7,538Rear door wiper motor1539Valid for 204.0 / 2/9 except for vehicles for the UK until 31.5.09:

Controller lew rear doors

3040Reservation–41Valid for 204.0 / 2/9 until 31.3.10:

Controller Right rear door;

Effective 1.4.10

See Also
Fuses and relays Mercedes C-class (W204; 2007 - 2014)

Controller right front door,

3042Valid for gasoline engine or engine 642 from 1.12.09 or engine 651 from 1.6.09:

Fuel pump control unit

25Valid for engine 646 or engine 642 until 30.11.09 or engine 651 until 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 fan motor

544Switch group, right front seat adjustment;

Switch group, front passenger seat adjustment.

3045Front left seat adjustment switch group;

Left front driver’s seat adjustment switch group.

3046Rear Window Antenna Amplifier FM Antenna;

Alarm siren;

Control unit for internal protection and trailer protection;

Rear window antenna amplifier 1;

TV antenna amplifier 1 and DAB band III;

TV antenna amplifier 2 and DAB band III;

KEYLESS-GO.

7,547Reservation–48Reservation–49Rear window heating 4050Emergency voltage reversible right front retractor5051Front left reversible emergency voltage retractor (A76)5052Reservation–53from 2008 onwards:

Trailer recognition control unit

15until 2008

Trailer recognition control unit

3054until 31.5.09:

Trailer recognition control unit;

Valid for model 204.075/077/275/277:

Switch group for driver’s seat lumbar support and side support;

Passenger seat lumbar support and side support adjustment switch group;

AMG front passenger seat valve block;

AMG valve block driver’s seat.

7,5as of 1.6.09:

Trailer recognition control unit

1555Effective 1.6.09:

AdBlue.

556Trailer recognition control unit;

Trailer socket.

15Valid for models 204.077 / 277/377 until 31.5.09:

Switch group for driver’s seat lumbar support and side support;

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

AMG passenger seat valve block;

AMG driver’s seat valve block.

557Trailer recognition control unit2058from 2008 onwards:

Trailer recognition control unit

20until 2008

Trailer recognition control unit

3059from 2008 onwards:

Parking system control unit;

Front left (DTR) DISTRONIC sensor;

Right front bumper DISTRONIC (DTR) sensor;

Smart radar sensor for left rear bumper;

Smart radar sensor on the right rear bumper.

5until 2008 ..:

T PARKTRONIC control unit;

Radar sensor control unit.

7,560Pneumatic multicontour pump with seat7,561Lift gate controller4062Driver’s seat control unit3063Front passenger seat control unit3064DC / AC converter control unit2565Adaptive damping system control unit;

Control unit for the steering column shunting module.

1566Reservation–67from 2008 onwards:

Sound system amplifier control unit

30until 2008

Sound system amplifier control unit

4068Reservation2069Rear bass speaker amplifier2070Control unit of the tire pressure monitor571Front cigarette lighter with ashtray;

Power socket inside the vehicle.

1572Cargo compartment junction box;

115 V electrical socket.

1573Diagnostic connector (from 1.6.09);

Stationary radio receiver for remote control of the heater;

Valid for 156 engine from 1.7.11 onwards:

Transmission mode control unit.

7,574KEYLESS-GO Control Unit1575Stationary heater2076Internal vehicle power socket1577Control unit of the mass detection system (WSS)7,578Left front seat ventilation fan regulator;

Right front seat ventilation fan regulator.

7,579Parking system control unit580Control unit for video system and radar sensor;

Control unit for parking system.

7,581Multimedia Interface Control Unit582Cell phone system compensator;

UMTS TV tuner control unit (until 31.5.09; Japan);

Digital TV tuner (until 31.5.09; Japan).

583Electronic toll control unit (Japan);

Control unit for emergency call system;

Reversing camera;

Left rear display;

Right rear display.

7,584Digital satellite audio radio (SDAR) control unit;

SDAR / high definition tuner control unit;

Digital audio broadcast control unit;

Camera power reversal module;

Reversing chamber control unit;

360° camera control unit.

7,585TV tuner control unit (until 31.5.09; Japan);

Digital TV tuner (from 1.6.09; Japan).

7,586DVD drive7,587Control unit for the emergency call system7,588Effective 1.6.09

Reservation

–89Effective 1.6.09:

Trailer recognition control unit;

Valid as of 1.6.09 with 156 engine:

Oil cooling fan motor relay.

2090Effective 1.6.09:

AdBlue ® block fuse;

AdBlue ® power relay.

4091DC / AC converter control unit25ECO start/stop:

Auxiliary transmission oil pump control unit;

Valid for 642 engine:

Heating element of the ventilation line.

2092Effective 1.6.09:
Spare.–Courier
ATerminal 15 relayB15R relay circuit (1) CHeated rear window relayDApplies to the diesel engine:

Fuel pump relay

ERear wiper relayFSeat adjustment relay G15R relay circuit (2)

The fuse box is located on the driver side of the instrument panel, behind the cover.

No.DescriptionAmps [A]150no ECO start/stop:

Pyrofuse 88

400ECO start/stop:

Alternator;

Starter.

200151Internal combustion engine fan motor and air conditioner with integrated controls100152SAM front control unit with fuse and relay module150153no ECO start/stop:

Reservation

100ECO start/stop function and battery position at the front:

SAM front control unit with fuse and relay module

60154ECO start/stop function and battery position at the front:

Front SAM control unit with fuse and relay module.

60Applies to diesel engine and ECO start/stop:

PTC heater

150155no ECO start/stop:

Reservation

50ECO start/stop function:

Reservation

100156Applies to diesel engine without ECO start/stop:

PTC heater booster

150ECO start/stop function:

SAM front control unit with fuse and relay module

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

Electro-hydraulic power steering;

ECO start/stop:

Spare parts.

100158no ECO start/stop:

Fan controller

50ECO start/stop:

Rear SAM control unit with fuse and relay module

150159Multifunctional control unit for special purpose vehicle 50ECO start/stop:

Additional battery relay

200160no ECO start/stop:

Reservation

60ECO start/stop:

Fan controller

50161no ECO start/stop:

SAM front control unit with fuse and relay module

100Multifunctional control unit for special purpose vehicle 50162no ECO start/stop:

Reservation

100ECO start/stop:

Reservation

60163no ECO start/stop:

Rear SAM control unit with fuse and relay module

150164without the ECO start/stop function:

Rear SAM control unit with fuse and relay module

80

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

Mercedes-Benz C-Class W204 (2007-2014) - fuse box - Cars Fuse Box Diagrams (2024)

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