Mercedes-Benz C-Class W204 (2007-2014) – Fuse Box Diagrams

No Description Amperes [A] 37 from 2008:

Driver’s seat Headrest electromagnet NECK-PRO;

Front passenger seat NECK-PRO headrest solenoid valve.

5 up to 2008:

Driver’s seat NECK-PRO headrest solenoid valve;

Front passenger seat NECK-PRO headrest solenoid valve.

7.5 38 Tailgate Wiper Motor 15 39 Valid for model 204.0 / 2/9 except UK vehicles up to 31.5.09:

Driver lat the back door

thirty 40 Reserve – 41 Valid for model 204.0 / 2/9 to 31.3.10:

Controller right rear door;

Valid from 1.4.10

Controller right front door,

thirty 42 Valid for gasoline engine or engine 642 as of 1.12.09 or engine 651 as of 1.6.09:

Fuel pump control unit

25 Valid 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.

twenty 43 Valid from 1.6.09 with automatic air conditioning:

Rear blower motor

5 44 Switch group, right front seat setting;

Switch group, front passenger seat setting.

thirty 45 Left front seat adjustment switch group;

Left front driver seat adjustment switch group.

thirty 46 Antenna amplifier for the rear window FM 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.

7.5 47 Reserve – 48 Reserve – 49 Rear window heating 40 50 Right front reversible emergency tensioner 50 51 Left front reversible emergency tensioner (A76) 50 52 Reserve – 53 from 2008:

Trailer recognition control unit

15 up to 2008:

Trailer recognition control unit

thirty 54 to 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.

7.5 as of 1.6.09:

Trailer recognition control unit

15 55 Valid from 1.6.09:

AdBlue.

5 56 Trailer recognition control unit;

Trailer socket.

15 Valid for models 204.077 / 277/377 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.

5 57 Trailer recognition control unit twenty 58 from 2008:

Trailer recognition control unit

twenty up to 2008:

Trailer recognition control unit

thirty 59 from 2008:

Parking system control unit;

Left front bumper DISTRONIC (DTR) sensor;

Right front bumper DISTRONIC (DTR) sensor;

Left rear bumper smart radar sensor;

Intelligent radar sensor for the right rear bumper.

5 up to 2008:

T PARKTRONIC control unit;

Radar sensors control unit.

7.5 60 Multicontour seat pneumatic pump 7.5 61 Liftgate controller 40 62 Driver seat control unit thirty 63 Front passenger seat control unit thirty 64 DC / AC converter control unit 25 65 Adaptive damping system control unit;

Steering column lever module control unit.

15 66 Reserve – 67 from 2008:

Sound system amplifier control unit

thirty up to 2008:

Sound system amplifier control unit

40 68 Reserve twenty 69 Rear subwoofer amplifier twenty 70 Tire pressure monitor control unit 5 71 Front cigarette lighter with ashtray lighting;

Interior power socket.

15 72 Cargo space junction box;

115V power socket

15 73 Diagnostic 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.

7.5 74 KEYLESS-GO control unit 15 75 Stationary heater twenty 76 Vehicle interior power socket 15 77 Mass detection system (WSS) control unit 7.5 78 Left front seat ventilation blower regulator;

Right front seat ventilation blower regulator.

7.5 79 Parking system control unit 5 80 Video and radar sensor system control unit;

Parking system control unit.

7.5 81 Multimedia interface control unit 5 82 Cellular telephone system compensator;

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

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

5 83 Electronic toll collection control unit (Japan);

Emergency call system control unit;

Rear view camera;

Left rear display;

Right rear display.

7.5 84 Satellite 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.

7.5 85 TV tuner control unit (up to 5/31/09; Japan);

Digital TV tuner (from 1.6.09; Japan).

7.5 86 DVD player 7.5 87 Emergency call system control unit 7.5 88 Valid from 1.6.09

Reserve

– 89 Valid from 1.6.09:

Trailer recognition control unit;

Valid as of 1.6.09 with engine 156:

Oil cooler fan motor relay.

twenty 90 Valid from 1.6.09:

AdBlue ^® block fuse;

AdBlue ^® power relay.

40 91 DC / AC converter control unit 25 ECO start / stop:

Auxiliary gear oil pump control unit;

Valid for engine 642:

Heating element for the deaeration hose.

twenty 92 Valid from 1.6.09:
Reserve. – Relay
AND Terminal 15 relay B Circuit 15R relay (1) C. Heated rear window relay D Valid for diesel engine:

Fuel pump relay

E. Rear window wiper relay F. Seat adjustment relay G. Circuit 15R relay (2)