Mercedes-Benz C-Class (W205; 2015-2019-..) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Mercedes-Benz C-Class (W205; 2015, 2016, 2017, 2018-..)

Fuse box diagram: Mercedes-Benz C-Class
(W205; 2015-2019-..)

Instrument Panel Fuse Box

The fuse box is located on the edge of the instrument panel, on the driver’s side, behind the coverThe location of the fuses in the passenger compartment: Mercedes-Benz C-Class (2015-2019-..)

Fuse box diagramInstrument panel fuse box diagram: Mercedes-Benz C-Class (2015-2019-..)

Assignment of the fuses in the Instrument Panel Fuse Box
Fused componentA
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 unit
5
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

Front-Passenger Footwell Fuse Box

Fold cover (1) out towards the rear and remove itThe location of the fuses in the passenger compartment: Mercedes-Benz C-Class (2015-2019-..)

Fuse box diagramInterior fuse box diagram: Mercedes-Benz C-Class (2015-2019-..)

Assignment of the fuses in the Front-Passenger Footwell Fuse Box
Fused componentA
301Hybrid: Pyrofuse via high-voltage disconnect device5
302Right front door control unit30
303W205, S205, V205: Left rear door control unit
A205, C205: Rear control unit
30
304Valid for transmission 722: Intelligent servo module for DIRECT SELECT20
305Driver seat control unit
Driver seat heater control unit
Front seat heater control unit
30
306Front passenger seat control unit
Front passenger seat heater control unit
Front seat heater control unit
30
307AMG: Active engine mounts control unit5
308USA version: Electric Brake Control electrical connector30
309Emergency call system control unit10
309HERMES control unit
Telematics services communications module
5
310AMG: Active engine mounts control unit20
311Booster blower electronic blower regulator10
312Overhead control panel control unit10
313Hybrid: Power electronics control unit10
314AMG: Electronic differential control unit5
315Powertrain control unit
Valid for diesel engine: CDI control unit
Valid for gasoline engine: ME-SFI control unit
5
316Supplemental Restraint System control unit7.5
317Panoramic sliding sunroof control module
Sliding roof control module
30
318Stationary heater control unit20
319Hybrid: High-voltage PTC heater5
320AIRMATIC control unit
Adaptive damping system control unit
25
321Japan version: Dedicated Short-Range Communications control unit5
322Head unit20
323Parking system control unit5
MF1/1Audio/COMAND display
Audio equipment fan motor
7.5
MF1/2Stereo multifunction camera
Mono multifunction camera
7.5
MF1/3Rain/light sensor with additional functions
W205, S205, V205: Overhead control panel control unit
7.5
MF1/4Driver seat control unit
Driver seat heater control unit
Front seat heater control unit
7.5
MF1/5Front passenger seat control unit
Front passenger seat heater control unit
Front seat heater control unit
7.5
MF1/6Steering column tube module control unit7.5
MF2/1Left front reversible emergency tensioning retractor5
MF2/2Audio/COMAND control panel
Touchpad
5
MF2/3Right front reversible emergency tensioning retractor5
MF2/4Heads-up display5
MF2/5Multimedia connection unit5
MF2/6Hybrid: Electrical refrigerant compressor5
MF3/1Feedback line, terminal 30g, front SAM control unit5
MF3/2Radar sensors control unit5
MF3/3Spare-
MF3/4Driver side instrument panel button group5
MF3/5Rear air conditioning operating unit5
MF3/6Tire pressure monitor control unit5

Interior Pre-Fuse Box

Interior Pre-Fuse Box
Fused componentA
1Engine compartment prefuse box-
2Hybrid: Additional battery relay for ECO start/stop function150
3Blower regulator40
4Spare-
5Valid for diesel engine: PTC heater booster150
6Right A-pillar fuse box80
7Rear fuse and relay module150
8Spare-
9Spare-
10Valid for transmission 722, 725: Fully integrated transmission control unit60
10Hybrid: Fully integrated transmission control unit100
11Spare-
12Rear fuse and relay module40
13Right A-pillar fuse box50
F32/4k2Quiescent current cutout relay
F96Additional battery circuit 30 fuses
F96/1Exhaust flaps circuit 87 fuses

Engine Compartment Fuse Box

The fuse box is located in the engine compartment (left-side), under the coverThe location of the fuses in the engine compartment: Mercedes-Benz C-Class (2015-2019-..)Press safety clips (1) on the cover together, remove fuse box cover (2) upwards

Fuse box diagramUnder-hood fuse box diagram: Mercedes-Benz C-Class (2015-2019-..)

Assignment of the fuses and relay in the Engine Compartment Fuse Box
Fused componentA
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 unit
20
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

Version 1

Version 2

Engine Pre-Fuse Box
Fused componentA
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 relay

Luggage Compartment Fuse Box

The fuse box is located in the luggage compartment (on the right-side), under the floorThe location of the fuses in the trunk: Mercedes-Benz C-Class (2015-2019-..)Lift the trunk floor upwards, swing cover (1) upwards in the direction of the arrow

Fuse box diagram

Version 1Trunk fuse box diagram (version 2: Mercedes-Benz C-Class (2015-2019-..)

Version 2

Trunk fuse box diagram (version 2: Mercedes-Benz C-Class (2015-2019-..)

Assignment of the fuses and relay in the trunk
Fused componentA
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 unit
30
409Spare-
410Stationary heater radio remote control receiver
Antenna changeover switch for telephone and stationary heater
5
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 generator
5
416Cellular telephone system antenna amplifier/compensator
Mobile phone contact plate
7.5
417360° camera control unit
Reversing camera
5
418Rear seat heater control unit
AIRSCARF control unit
5
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 unit
25
436Trailer recognition control unit15
437Trailer recognition control unit25
438DC/AC converter control unit30
439Taximeter
Mirror taximeter
5
439A205: Rear control unit25
440Rear seat heater control unit
AIRSCARF control unit
30
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 outlet
15
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 unit
5
450Rear SAM control unit5
451Fuel system control unit
BlueTEC: AdBlue® control unit
5
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 unit
5
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 unit5
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 amplifier5
462Sound system amplifier control unit40
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 unit
40
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
Mercedes-Benz C-Class (W205; 2015-2019-..) fuses and relays December 16, 2018 admin