Mercedes-Benz C-Class W204 (2007-2014) – fuse box
Mercedes-Benz C-Class w204 (2007-2014) – fuse box diagram
Year of production: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014.
Model: C180, C200, C250, C280, C300, C350, C63, AMG
The Cigarette Lighter (Power Outlet) fuses on the Mercedes-Benz C-Class are 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.
Fuse box in the engine compartment
| Number | Description | Amperes [A] |
| 1 | Electronic stability program control unit | 25 |
| 2 | Left front door control unit | 30 |
| 3 | Valid until 3/31/10:
Right front door control unit Valid from 1.4.10 with model 204.0 / 2/9: Right rear door control unit |
30 |
| 4 | until 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. |
7.5 |
| Valid 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. |
20 | |
| 5 | Rear 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. |
7.5 |
| 6 | Valid for diesel engine:
ME-SFI [ME] control unit; Valid for gasoline engine: CDI control unit. |
10 |
| 7 | Starter | 20 |
| 8 | Supplementary restraint system control unit | 7.5 |
| 9 | Power socket in the glove box | 15 |
| 10 | Wiper motor | 30 |
| 11 | Audio / COMAND display;
Audio / COMAND control panel; Navigation module holder. |
7.5 |
| 12 | Automatic air conditioning control and control unit;
Top control panel. |
7.5 |
| 13 | Steering column module control unit;
Multifunctional camera. |
7.5 |
| 14 | Electronic stability program control unit | 7.5 |
| Headlamp control unit | 20 | |
| 15 | Supplementary restraint system control unit | 7.5 |
| 16 | Diagnostic connector (up to 5/31/09);
Electric cell phone connector; Valid for gearbox 722: Electronic gear lever module control unit. |
5 |
| ECO start / stop function:
Electric gear oil pump |
20 | |
| 17 | Control module with panoramic sliding roof;
Control unit with a control panel. |
30 |
| 18 | Valid 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. |
7.5 |
| 19 | Electric steering lock control unit;
Electronic ignition lock control unit. |
20 |
| 20 | Electronic stability program control unit | 40 |
| 21 | Stop light switch;
Lamp switch in the glove box; Front passenger seat occupancy recognition and ACSR electric fuse for electronic toll collection pre-installation (Japan). |
7.5 |
| 22 | Internal combustion engine fan motor and air conditioning with integrated controls;
Interior harness and engine harness electrical connector. |
15 |
| 23 | Interior 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. |
20 |
| 24 | Electrical connector inside the wiring harness and engine connections; the interior harness and electric 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. |
15 |
| 25 | Valid for engine 156, 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. |
15 |
| 26 | Radio;
Radio with an autopilot system; COMAND control unit. |
20 |
| 27 | Electric 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. |
7.5 |
| 28 | Instrument cluster | 7.5 |
| 29 | Right headlight assembly | 10 |
| 30 | Left Headlight Assembly;
Valid for engine 642: Electrical connector for interior harness and engine wiring harness. |
10 |
| 31A | Left horn;
Right horn. |
15 |
| 31B | Left horn;
Right horn. |
15 |
| 32 | Valid for engines 156, 271, 272, 276:
Electric air pump |
40 |
| Valid for engine 156:
Oil cooler fan motor |
20 | |
| 33 | Valid for gearbox 722.6:
Electronic transmission control unit; Valid for gearbox 722.9: The fully integrated control unit control transmission. |
10 |
| 34 | Valid for engines 271, 272 as of 1.9.08:
Fuel pump controller ; Valid for engine 156 as of 1.9.08: Left fuel pump controller; Right fuel pump controller. |
7.5 |
| 35 | Valid from 1.3.11:
Electronic stability program control unit. |
5 |
| 36 | Valid from 1.3.11:
Electric controller DISTRONIC; Valid for model 204.902 / 982/984: Electro-hydraulic power steering. |
7.5 |
| Relay | ||
| J. | Circuit 15 relay | |
| K. | Terminal 15R relay | |
| L | Backup relay | |
| M. | Starter relay circuit 50 | |
| O | Engine circuit 87 Relay | |
| O | Fanfare horn relay | |
| P. | Valid for engines 156, 272, 276:
Secondary air injection relay |
|
| Q | Backup relay | |
| R | Chassis circuit 87 relay | |
Fuse box in the trunk
until May 31, 2009
from 1.06.2009
| Number | 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:
Rear door control unit |
30 |
| 40 | Reserve | – |
| 41 | Valid for model 204.0 / 2/9 to 31.3.10:
Right rear door control unit ; Valid from 1.4.10 Right front door control unit , |
30 |
| 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. |
20 | |
| 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. |
30 |
| 45 | Left front seat adjustment switch group;
Left front driver seat adjustment switch group. |
30 |
| 46 | Antenna amplifier for 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 |
30 | |
| 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 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. |
5 | |
| 57 | Trailer recognition control unit | 20 |
| 58 | from 2008:
Trailer recognition control unit |
20 |
| up to 2008:
Trailer recognition control unit |
30 | |
| 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; Smart rear right bumper radar sensor. |
5 |
| up to 2008:
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 | 30 |
| 63 | Front passenger seat control unit | 30 |
| 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 |
30 |
| up to 2008:
Sound system amplifier control unit |
40 | |
| 68 | Reserve | 20 |
| 69 | Rear subwoofer amplifier | 20 |
| 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 | 20 |
| 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; Reversing 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. |
20 |
| 90 | Valid from 1.6.09:
AdBlue® fuse block; AdBlue® supply 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. |
20 | |
| 92 | Valid as of 1.6.09: Spare. |
– |
| Relay |
||
| 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) | |
Instrument panel fuse panel
Location of the fuse box
The fuse box is located on the driver’s side of the instrument panel behind a cover.
| Number | Description | Amperes [A] |
| 116 | Driver seat control unit | 30 |
| 117 | Adaptive damping system control unit | 15 |
| 118 | Reserve | – |
| 119 | Rear blower motor;
AMG Performance Media control unit (valid from 1.6.12). |
7.5 |
| 120 | Reserve | – |
| 121 | Reserve | – |
| 122 | Reserve | – |
| 123 | Steering wheel lamp module control unit | 20 |
| 124 | Reserve | – |
| 125 | Reserve | – |
| 126 | Front passenger seat control unit | 30 |
| 127 | Reserve | – |
| 128 | Reserve | – |
| 129 | Valid for engine 156:
Oil cooler fan motor relay |
20 |
| 130 | Reserve | – |
| 131 | Reserve | – |
| 132 | Reserve | – |
| 133 | Reserve | – |
| 134 | Reserve | – |
| 135 | Reserve | – |
Front pre-box (up to 2010)
| Number | Description | Amperes [A] |
| 88 | Pyrofuse:
Alternator; Starter. |
|
| 89 | Front SAM control unit with fuse and relay module | 125 |
| 90 | Rear SAM control unit with fuse and relay module | 40 |
| 91 | Internal combustion engine fan motor and air conditioning with integrated controls | 80 |
| 100 | Air conditioner housing | 40 |
| 101 | Valid for gasoline engine:
Front SAM control unit with fuse and relay module |
60 |
| 103 | Valid for diesel engine:
PTC heater amplifier |
150 |
| 104 | Internal fuse box | 70 |
| 105 | Front SAM control unit with fuse and relay module | 100 |
| 106 | Rear SAM control unit with fuse and relay module | 150 |
| 107 | Reserve | – |
| 108 | Reserve | – |
| 109 | Reserve | – |
| 110 | Reserve | – |
since 2010
without ECO start / stop
ECO start / stop
| Number | Description | Amperes [A] |
| 150 | without ECO start / stop:
Pyrofuse 88 |
400 |
| ECO start / stop:
Alternator; Starter. |
200 | |
| 151 | Internal combustion engine fan motor and air conditioning with integrated controls | 100 |
| 152 | Front SAM control unit with fuse and relay module | 150 |
| 153 | without ECO start / stop:
Reserve |
100 |
| ECO start / stop function and front battery position:
Front SAM control unit with fuse and relay module |
60 | |
| 154 | ECO start / stop function and front battery position:
Front SAM control unit with fuse and relay module. |
60 |
| Valid for diesel engine and ECO start / stop:
PTC heater amplifier |
150 | |
| 155 | without ECO start / stop:
Reserve |
50 |
| ECO start / stop function:
Reserve |
100 | |
| 156 | Valid for diesel engine without ECO start / stop:
PTC heating amplifier |
150 |
| ECO start / stop function:
Front SAM control unit with fuse and relay module |
100 | |
| 157 | For model 204.902 / 982/984 without ECO start / stop function:
Electro-hydraulic power steering; ECO start / stop: Reserve. |
100 |
| 158 | without ECO start / stop:
Blower regulator |
50 |
| ECO start / stop:
Rear SAM control unit with fuse and relay module |
150 | |
| 159 | Special purpose vehicle multifunction control unit | 50 |
| ECO start / stop:
Additional battery relay |
200 | |
| 160 | without ECO start / stop:
Reserve |
60 |
| ECO start / stop:
Blower regulator |
50 | |
| 161 | without ECO start / stop:
Front SAM control unit with fuse and relay module |
100 |
| Special purpose vehicle multifunction control unit | 50 | |
| 162 | without ECO start / stop:
Reserve |
100 |
| ECO start / stop:
Reserve |
60 | |
| 163 | without ECO start / stop:
Rear SAM control unit with fuse and relay module |
150 |
| 164 | without ECO start / stop function:
Rear SAM control unit with fuse and relay module |
80 |
Rear pre-box
Location of the fuse box
It is located in the trunk (right-hand side), behind the lid.
| Number | Description | Amperes [A] |
| 111 | Valid for gasoline engine:
ME-SFI [ME] control unit Valid for diesel engine: CDI control unit |
60 |
| 112 | Special purpose vehicle multifunction control unit | 80 |
| 113 | Valid for engine 156:
Left fuel pump control unit; Right fuel pump control unit. |
40 |
| 114 | Reserve | – |
| 115 | Special purpose vehicle multifunction control unit | 100 |