Mercedes-Benz C-Class w205 (2014-2018) – fuse box diagram
Year of production: 2014, 2015, 2016, 2017, 2018.
Lighter fuse (electrical outlet) in Mercedes C-Class w205 (2014-2018). Is fuse 446 in the fuse box
Fuse box on the dashboard
| Number | [A] | Description |
| 200 | 50 | SAM front control unit |
| 201 | 40 | SAM front control unit |
| 202 | 5 | Alarm siren ATA [EDW] / towing protection / interior protection control unit (A205) |
| 203 | 20 | Valid with transmission 716: Electric steering wheel lock |
| 204 | 5 | Diagnostic connector |
| 205 | 7,5 | Electronic ignition interlock control unit |
| 206 | 5 | Analog Clock |
| 207 | 15 | Climate control unit |
| 208 | 7,5 | Indicator set |
| 209 | 5 | Operating unit climate control upper control panel control units |
| 210 | 5 | Control unit of the direction light module |
| 211 | 25 | AMG: electronic stability program control unit |
| 212 | 5 | as of 06/01/2016: Antenna switch for telephone and landline heating |
| 213 | 5 | Electronic stability program control unit |
| 214 | 30 | AMG: Controller electric parking brake |
| 215 | – | Reservation |
| 216 | 7,5 | Bulb in the glove box |
| 217 | 5 | Japanese version: Dedicated short range communications control unit |
| 218 | 7,5 | Control unit of the additional restraint system |
| 219 | 5 | Control unit of the weight detection system (WSS) |
| 220 | – | Reservation |
| Relay | ||
| D | Relay, circuit 15R | |
Fuse box in engine compartment
| Number | [A] | Description |
| 100 | 40 | Hybrid: vacuum pump |
| 101 | 15 | Valid except for AMG: connecting sleeve, circuit 87/2 |
| 20 | AMG: connecting sleeve, circuit 87/2 | |
| 102 | 20 | Valid except for AMG: connecting sleeve, circuit 87/1 |
| 25 | AMG: connecting sleeve, circuit 87/1 | |
| 103 | 15 | Valid except for AMG: connecting sleeve, circuit 87/4 |
| 20 | AMG: connecting sleeve, circuit 87/4 | |
| 104 | 15 | Valid except for AMG: connecting sleeve, circuit 87/3 |
| 20 | AMG: connecting sleeve, circuit 87/3 | |
| 105 | 15 | Applies to transmission 722.9 (except 722.930): Control unit for automatic transmission auxiliary oil pump |
| 106 | – | Reservation |
| 107 | 60 | Valid with 274.9 engine: Electric coolant pump |
| 108 | 20 | Static LED Spotlight: front right spotlight High performance LED headlight, dynamic LED headlight: Front left headlight Front Headlight Right |
| 109 | 30 | Windshield wiper motor |
| 110 | 20 | Static LED Spotlight: Front left reflector |
| High efficiency LED, dynamic LED headlights: Front left reflector Front headlight right |
||
| 111 | 30 | Starter |
| 112 | 15 | Hybrid: accelerator pedal sensor |
| 113 | – | Reservation |
| 114 | 40 | AIRmatic Compressor |
| 115 | 15 | Left horn and right horn |
| 116 | – | Reservation |
| 117 | – | Reservation |
| 118 | 5 | Hybrid: electronic stability program control unit |
| 119 | 15 | Circuit 87 C2 connector sleeve |
| 120 | 5 | Valid except for AMG: 87 C1 circuit connector bushing |
| 15 | AMG: 87 C1 circuit connector bushing | |
| 121 | 5 | Electronic stability program control unit |
| 122 | 5 | CPC Relay |
| 123 | – | Reservation |
| 124 | – | Reservation |
| 125 | 5 | SAM front control unit |
| 126 | 5 | Mounting control unit Transmission unit Applies to the diesel engine: CDI control unit Applies to gasoline engine: ME-SFI control unit |
| 127 | 5 | Hybrid: voltage drop limiter |
| 128 | 5 | Left front lamp assembly and exterior light switch |
| 129 | 30 | Hybrid: starter circuit 50 relay |
| 129A | 30 | Hybrid: starter circuit 50 relay |
| Relay | ||
| C | Relay 15 in engine compartment | |
| H | 50 start relay | |
| I | Hybrid: vacuum pump relay (+) | |
| J | CPC Relay | |
| K. | Valid for 722.9 transmission (except 722.930): Oil pump relay | |
| L | Horn relay | |
| M | Windshield Wiper Parking Position Heater Relay | |
| N | 87 M relay circuit. | |
| O | Hybrid: starter circuit 15 relay | |
| P | Valid with 274.9 engine: Relay pump fluid coolant | |
| Q | Hybrid: vacuum pump relay (-) | |
| R | AIRmatic Relay | |
Fuse box in passenger leg room
| Number | [A] | Description |
| 301 | 5 | Hybrid: pyrofusion through a high voltage disconnector |
| 302 | 30 | Right Front Door Controller |
| 303 | 30 | W205, S205, V205: Controller left rear door A205, C205: Controller rear |
| 304 | 20 | alid for Transmission 722: Intelligent servo module for DIRECT SELECT |
| 305 | 30 | Seat Controller Driver’s seat heater controller Driver’s seat heater controller front seat |
| 306 | 30 | Front seat controller Front passenger seat heater controller Front passenger seat heater controller front seat |
| 307 | 5 | AMG: Active engine mount control unit |
| 308 | 30 | American version: Electrical connector for electric brake control |
| 309 | 10 | Alarm call system control unit |
| 5 | HERMES control unit Telematics Services Communication Module |
|
| 310 | 20 | AMG: Active motor mount control unit |
| 311 | 10 | Electronic Booster Blower Controller |
| 312 | 10 | Hanging control panel control unit |
| 313 | 10 | Hybrid: power electronics control unit |
| 314 | 5 | AMG: Electronic Differential Control Unit |
| 315 | 5 | Mounting control unit Transmission unit Applies to the diesel engine: CDI control unit Applies to gasoline engine: ME-SFI control unit |
| 316 | 7,5 | Control unit of the additional restraint system |
| 317 | 30 | Control module for the panoramic sunroof. Control module sliding roof |
| 318 | 20 | Stationary heater control unit |
| 319 | 5 | Hybrid: PTC high voltage heater |
| 320 | 25 | AIRMATIC control unit Control unit with adaptive damping system |
| 321 | 5 | Japanese version: dedicated short-range communications control unit |
| 322 | 20 | Main Unit |
| 323 | 5 | Parking system control unit |
| MF1 / 1 | 7,5 | Audio Screen / COMAND Audio equipment fan motor |
| MF1 / 2 | 7,5 | Multifunction Stereo Camera Multifunction Camera mono |
| MF1 / 3 | 7,5 | Rain/light sensor with additional functions W205, S205, V205: Hanging control panel |
| MF1 / 4 | 7,5 | Seat Controller Driver’s seat heater controller Driver’s seat heater controller front seat |
| MF1 / 5 | 7,5 | Front seat controller Front passenger seat heater controller Front passenger seat heater controller front seat |
| MF1 / 6 | 7,5 | Control unit of the direction light module |
| MF2 / 1 | 5 | Front left reversible emergency voltage retractor |
| MF2 / 2 | 5 | Audio Control Panel / COMAND Touchpad |
| MF2 / 3 | 5 | Emergency voltage reversible right front retractor |
| MF2 / 4 | 5 | Main Screen |
| MF2 / 5 | 5 | Multimedia Link Unit |
| MF2 / 6 | 5 | Hybrid: Electric refrigerant compressor |
| MF3 / 1 | 5 | Feedback line, 30g terminal, SAM front control unit |
| MF3 / 2 | 5 | Radar sensor control unit |
| MF3 / 3 | – | Reservation |
| MF3 / 4 | 5 | Button group on the driver’s side instrument panel |
| MF3 / 5 | 5 | Rear air conditioning control unit |
| MF3 / 6 | 5 | Control unit of the tire pressure monitor |
Fuse box in the trunk
Variant 1
Variant 2
1 – Power supply to terminal 30 “E1”
2 – Supply to terminal 30g “E2
| Number | [A] | Description |
| 400 | 25 | BlueTEC: AdBlue control unit ® |
| 401 | 15 | BlueTEC: AdBlue control unit ® |
| 402 | 20 | BlueTEC: AdBlue control unit ® |
| 403 | 30 | Valid until 11/30/2015: Front passenger seat, electric partial seat adjustment switch |
| 25 | Effective 12/01/2015: Front passenger seat, electric partial seat adjustment switch | |
| 404 | 30 | Valid until 11/30/2015: Driver’s seat, electric partial seat adjustment switch |
| 25 | Effective 12/01/2015: Driver’s seat, electric partial seat adjustment switch | |
| 405 | – | Reservation |
| 406 | 30 | Left Front Door Controller |
| 407 | – | Reservation |
| 408 | 30 | W205, S205, V205: Controller right rear door A205, C205: Rear Controller |
| 409 | – | Reservation |
| 410 | 5 | Stationary radio receiver for remote heater control Antenna switch for telephone and stationary heater |
| 411 | 30 | Front left reversible emergency voltage retractor |
| 412 | 7,5 | Hybrid: battery management system control unit |
| 413 | 5 | Trunk lid controller |
| 414 | 5 | Tuner Module |
| 415 | 5 | Camera lid control unit Perfume atomizer generator |
| 416 | 7,5 | Amplifier / compensator for telephone system antenna Contact frame for cell phones |
| 417 | 5 | 360° Camera Control Unit inverting |
| 418 | 5 | Rear seat heating control unit AIRSCARF control unit |
| 419 | 5 | Lumbar support adjustment control unit for the front passenger seat |
| 420 | 5 | Driver’s seat lumbar support adjustment control unit |
| 421 | – | Reservation |
| 422 | – | Reservation |
| 423 | 5 | Sound system amplifier control unit |
| 424 | 15 | AIR BODY CONTROL Plus Control Unit Applies to Engine 276: Engine Sound Control Unit |
| 425 | – | Reservation |
| 426 | – | Reservation |
| 427 | – | Reservation |
| 428 | – | Reservation |
| 429 | – | Reservation |
| 430 | – | Backup |
| 431 | 25 | Multifunctional control unit of a special purpose vehicle |
| 432 | 25 | Multifunctional control unit of a special purpose vehicle |
| 433 | 15 | Trailer recognition control unit |
| 434 | 15 | Trailer recognition control unit |
| 30 | AMG: Controller electric parking brake | |
| 435 | 25 | Trailer recognition control unit AMG: Electronic Differential Control Unit |
| 436 | 15 | Trailer recognition control unit |
| 437 | 25 | Trailer recognition control unit |
| 438 | 30 | DC / AC converter control unit |
| 439 | 5 | Taximeter Taximeter with mirror |
| 25 | A205: Rear control unit | |
| 440 | 30 | Rear seat heating control unit AIRSCARF control unit |
| 441 | 30 | AIRSCARF control unit |
| 442 | 25 | Fuel system control unit |
| 443 | 30 | Emergency voltage reversible right front retractor |
| 444 | 15 | Electrical connector for Tablet PC |
| 445 | 15 | S205: Trunk Socket |
| 446 | 15 | Front Lighter with ashtray Internal vehicle power socket |
| 447 | 15 | 12V socket on the right center console |
| 448 | 10 | Valid for 722, 725 transmission: ratchet capacitor |
| 449 | 5 | Applies to the 626 engine: Fuel filter element with integrated heater AMG: Controller electric parking brake |
| 450 | 5 | Rear SAM control unit |
| 451 | 5 | Fuel system control unit BlueTEC: AdBlue control unit ® |
| 452 | 5 | Integrated radar sensor for the right outer rear bumper Integrated radar sensor for the outer left rear bumper Center rear bumper radar sensor Outer right rear radar sensor Radar sensor outside left rear bumper |
| 453 | 5 | Radar sensor on left of front bumper Radar sensor Front right bumper COLISION PREVENTION ASSISTANCE controller. |
| 454 | 7,5 | Valid for transmission 722: W Fully integrated transmission control unit |
| 5 | Driving Learning Package: Leg Room Lighting Switch foot action monitoring BlueTEC: AdBlue control unit ® |
|
| 455 | 5 | DC / AC converter control unit |
| 456 | 5 | Front long range radar sensor DISTRONIC electrical controller |
| 457 | 5 | Hybrid: Power electronics control unit Control unit. battery management system AMG: Electronic differential control unit Control unit with active motor mounting |
| 458 | 5 | Rear switching module |
| 459 | 5 | Hybrid: charger AMG: AMG suspension control unit |
| 460 | 10 | KEYLESS-GO Control Unit |
| 461 | 5 | FM 1, AM, CL antenna amplifier [ZV] and KEYLESS-GO |
| 462 | 40 | Sound system amplifier control unit |
| 463 | 30 | W205, S205, V205: Rear window heating by rear window anti-tamper condenser A205, C205: Soft top / electrical connector for vehicle interior |
| 464 | 40 | Trunk lid Liftgate Controller |
| 465 | 40 | Rear SAM control unit |
| 466 | 40 | Rear SAM control unit |
| 467 | 40 | Applies to engine 626: fuel filter element with integrated heater. A205: Rear control unit |
| Relay |
||
| S | Relay 15 internal vehicle circuit |
|
| T | Rear Window Heating Relay | |
| U | Cup holder and second row seat relay | |
| V | BlueTEC: AdBlue Relay ® | |
| X | 1st row of seats / trunk cooler and plug relay | |
| Y | Reservation courier | |
| ZR1 | Valid for engine 626: fuel filter heater relay | |
| ZR2 | Reserve courier | |
| ZR3 | Reserve courier | |
Pre-internal box
F32 / 4k2 – Standby current cut-off relay
| Number | [A] | Description |
| 1 | – | Engine compartment pre-fuse box |
| 2 | 150 | Hybrid: Additional battery relay for ECO start/stop function |
| 3 | 40 | Fan Regulator |
| 4 | – | Reservation |
| 5 | 150 | Applies to the diesel engine: PTC heater |
| 6 | 80 | Fuse box on the right on the A-pillar. |
| 7 | 150 | Rear fuse and relay module |
| 8 | – | Backup |
| 9 | – | Reservation |
| 10 | 60 | Valid for transmission 722, 725: W Fully integrated transmission control unit |
| 100 | Hybrid: w Fully integrated transmission control unit | |
| 11 | – | Reservation |
| 12 | 40 | Rear fuse and relay module |
| 13 | 50 | Fuse box on the right A-pillar. |
Pre-fuse box in the engine compartment
Variant 1
Variant 2
F32 / 3k1 – Decoupling relay
| Number | [A] | Description |
| 1 | – | Reservation |
| 2 | 100 | Applies to the diesel engine: brightness power stage |
| 3 | 60 | Motor fuse and relay module |
| 4 | – | Onboard electrical system battery connection |
| 5 | 150 | Motor fuse and relay module |
| 6 | 125 | Left fuse and relay module |
| 7 | 80 | Fan motor (600 W / 850 W) |
| 8 | 125 | Electric power steering control unit |
| 9 | 150 | Fan motor (1000 W) |
| 10 | 200 | Initial box inside the vehicle |
| 11 | – | Reservation |
| 12 | – | Hybrid: Power electronics control unit With 651.9 engine and American version: Heater control unit with catalytic converter |
| 13 | 400 | Alternator |
| C1 | – | Hybrid: decoupling relay |
| C2 | – | Hybrid: circuit 31 |
| C3 / 1 | 40 | Valid except AMG: electronic stability program control unit |
| C3 / 2 | 60 | Electronic Stability Program Control Unit |
