Fuse Layout Mercedes-Benz C-Class 2015-2019-…
Fuse box location
The fuse box is located on the edge of the instrument panel, on the driver’s side, behind the cover.
Fuse box diagram
Assignment of the fuses in the instrument panel №Fused componentAmp 200Front SAM control unit50 201Front SAM control unit40 202Alarm siren ATA [EDW]/tow-away protection/interior protection control unit (A205)5 203Valid with transmission 716: Electric steering lock control unit20 204Diagnostic connector5 205Electronic ignition lock control unit7.5 206Analog clock5 207Climate control control unit15 208Instrument cluster7.5 209Climate control operating unit Upper control panel control unit5 210Steering column tube module control unit5 211AMG: Electronic Stability Program control unit25 212as of 01.06.2016: Antenna changeover switch for telephone and stationary heated5 213Electronic Stability Program control unit5 214AMG: Electric parking brake control unit30 215Spare- 216Glove compartment lamp7.5 217Japan version: Dedicated Short-Range Communications control unit5 218Supplemental Restraint System control unit7.5 219Weight sensing system (WSS) control unit5 220Spare- Relay FRelay, circuit 15R
Fuse box location
Fold cover (1) out towards the rear and remove it.
Fuse box diagram
Interior Pre-Fuse Box
Fuse box location
The fuse box is located in the engine compartment (left-side), under the cover. 
Press safety clips (1) on the cover together, remove fuse box cover (2) upwards.
Fuse box diagram
Assignment of the fuses and relay in the engine compartment №Fused componentAmp 100Hybrid: Vacuum pump40 101Valid except AMG: Connector sleeve, circuit 87/215 101AMG: Connector sleeve, circuit 87/220 102Valid except AMG: Connector sleeve, circuit 87/120 102AMG: Connector sleeve, circuit 87/125 103Valid except AMG: Connector sleeve, circuit 87/415 103AMG: Connector sleeve, circuit 87/420 104Valid except AMG: Connector sleeve, circuit 87/315 104AMG: Connector sleeve, circuit 87/320 105Valid for transmission 722.9 (except 722.930): Automatic transmission fluid auxiliary oil pump control unit15 106Spare- 107Valid with engine 274.9: Electric coolant pump60 108Static LED headlamp: Right front lamp unit High performance LED, Dynamic LED headlamp: Left front lamp unit, Right front lamp unit20 109Wiper motor30 110Static LED headlamp: Left front lamp unit20 110High performance LED, Dynamic LED headlamp: Left front lamp unit, Right front lamp unit 111Starter30 112Hybrid: Accelerator pedal sensor15 113Spare- 114AIRmatic compressor40 115Left horn and right horn15 116Spare- 117Spare- 118Hybrid: Electronic Stability Program control unit5 119Circuit 87 C2 connector sleeve15 120Valid except AMG: Circuit 87 C1 connector sleeve5 120AMG: Circuit 87 C1 connector sleeve15 121Electronic Stability Program control unit5 122CPC relay5 123Spare- 124Spare- 125Front SAM control unit5 126Powertrain control unit Valid for diesel engine: CDI control unit Valid for gasoline engine: ME-SFI control unit 5 127Hybrid: Voltage dip limiter5 128Left front lamp unit and exterior lights switch5 129Hybrid: Starter circuit 50 relay30 129AHybrid: Starter circuit 50 relay30 Relay GEngine compartment circuit 15 relay HStarter circuit 50 relay IHybrid: Vacuum pump relay (+) JCPC relay KValid for transmission 722.9 (except 722.930): Oil pump relay LHorn relay MWiper park position heater relay NCircuit 87M relay OHybrid: Starter circuit 15 relay PValid with engine 274.9: Coolant pump relay QHybrid: Vacuum pump relay (-) RAIRmatic relay
Engine Pre-Fuse Box
Engine Pre-Fuse Box №Fused componentAmp 1Spare- 2Valid for diesel engine: Glow output stage100 3Engine fuse and relay module60 4On-board electrical system battery connection- 5Engine fuse and relay module150 6Left fuse and relay module125 7Fan motor (600 W / 850 W)80 8Electrical power steering control unit125 9Fan motor (1000 W)150 10Vehicle interior prefuse box200 11Spare- 12Hybrid: Power electronics control unit With engine 651.9 and USA version: Catalytic converter heater control unit - 13Alternator400 ClHybrid: Decoupling relay- C2Hybrid: Circuit 31- C3/1Valid except AMG: Electronic Stability Program control unit40 C3/2Electronic Stability Program control unit60 F32/3k1Decoupling relayFuse box location
The fuse box is located in the luggage compartment (on the right-side), under the floor. 
Lift the trunk floor upwards, swing cover (1) upwards in the direction of the arrow.
Fuse box diagram
Version 1
Version 2
Assignment of the fuses and relay in the trunk №Fused componentAmp 1Terminal 30 "E1" feed 2Terminal 30g "E2" feed 400BlueTEC: AdBlue® control unit25 401BlueTEC: AdBlue® control unit15 402BlueTEC: AdBlue® control unit20 403Valid up to 30.11.2015: Front passenger seat partially electric seat adjustment switch30 403Valid as of 01.12.2015: Front passenger seat partially electric seat adjustment switch25 404Valid up to 30.11.2015: Driver seat partially electric seat adjustment switch30 404Valid as of 01.12.2015: Driver seat partially electric seat adjustment switch25 405Spare- 406Left front door control unit30 407Spare- 408W205, S205, V205: Right rear door control unit A205, C205: Rear control unit30 409Spare- 410Stationary heater radio remote control receiver Antenna changeover switch for telephone and stationary heater5 411Left front reversible emergency tensioning retractor30 412Hybrid: Battery management system control unit7.5 413Trunk lid control control unit5 414Tuner unit5 415Camera cover control unit Perfume atomizer generator5 416Cellular telephone system antenna amplifier/compensator Mobile phone contact plate7.5 417360° camera control unit Reversing camera5 418Rear seat heater control unit AIRSCARF control unit5 419Front passenger seat lumbar support adjustment control unit5 420Driver seat lumbar support adjustment control unit5 421Spare- 422Spare- 423Sound system amplifier control unit5 424AIR BODY CONTROL Plus control unit Valid for engine 276: Engine sound control unit 15 425Spare- 426Spare- 427Spare- 428Spare- 429Spare- 430Spare- 431Special-purpose vehicle multifunction control unit25 432Special-purpose vehicle multifunction control unit25 433Trailer recognition control unit15 434Trailer recognition control unit15 434AMG: Electric parking brake control unit30 435Trailer recognition control unit AMG: Electronic differential control unit25 436Trailer recognition control unit15 437Trailer recognition control unit25 438DC/AC converter control unit30 439Taximeter Mirror taximeter5 439A205: Rear control unit25 440Rear seat heater control unit AIRSCARF control unit30 441AIRSCARF control unit30 442Fuel system control unit25 443Right front reversible emergency tensioning retractor30 444Tablet PC electrical connector15 445S205: Luggage compartment socket15 446Front cigarette lighter with ashtray illumination Vehicle interior power outlet15 447Right rear center console socket 12V15 448Valid for transmission 722, 725: Park pawl capacitor10 449Valid for engine 626: Fuel filter element with integrated heater AMG: Electric parking brake control unit5 450Rear SAM control unit5 451Fuel system control unit BlueTEC: AdBlue® control unit5 452Integrated outer right rear bumper radar sensor Integrated outer left rear bumper radar sensor Center rear bumper radar sensor Outer right rear bumper radar sensor Outer left rear bumper radar sensor 5 453Left front bumper radar sensor Right front bumper radar sensor COLLISION PREVENTION ASSIST controller unit5 454Valid for transmission 722: Fully integrated transmission control unit7.5 454Driving school package: Footwell illumination switch Pedal operation monitor switch BlueTEC: AdBlue® control unit 5 455DC/AC converter control unit 5 456Front long-range radar sensor DISTRONIC electric controller unit 5 457Hybrid: Power electronics control unit Battery management system control unit AMG: Electronic differential control unit Active engine mounts control unit 5 458Rear switching module 5 459Hybrid: Charger AMG: AMG suspension control unit 5 460KEYLESS-GO control unit 10 461FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier 5 462Sound system amplifier control unit 40 463W205, S205, V205: Rear window heater via rear window interference suppression capacitor A205, C205: Soft top/vehicle interior electrical connector 30 464Trunk lid control control unit Liftgate control control unit40 465Rear SAM control unit 40 466Rear SAM control unit 40 467Valid for engine 626: Fuel filter element with integrated heater A205: Rear control unit 40 Relay SVehicle interior circuit 15 relay TRear window heater relay U2nd seat row cup holder and sockets relay VBlueTEC: AdBlue® relay X1 st seat row/trunk refrigerator box and sockets relay YSpare relay ZR1Valid for engine 626: Fuel filter heater relay ZR2Reserve relay ZR3Reserve relay
