2015-2019 Mercedes-Benz GLC-Class (X253/C253) fuse box diagram

The Mercedes-Benz GLC-Class (X253, C253), a compact luxury crossover, has been available since 2015. This article provides fuse box diagrams for the GLC250, GLC300, GLC350, GLC43, and GLC63 models from 2015 to 2019. You’ll find details on the fuse panel locations inside the car and a breakdown of each fuse and relay’s function.

Cigar lighter (power outlet) fuses in the Mercedes-Benz GLC-Class are the fuses #445 (Luggage compartment socket), #446 (Front cigarette lighter, interior power outlet) and #447 (Right rear center console socket) in the Luggage Compartment Fuse Box.

Engine Compartment

2015-2019-Mercedes-Benz-GLC-Class-X253-C253-engine-compartment-fuse-box-diagram-carsfuse.com
NumberFused componentFuse Amp
100Hybrid: Vacuum pump40
101Connector sleeve, circuit 87/215
102Connector sleeve, circuit 87/120
103Connector sleeve, circuit 87/415
104Connector sleeve, circuit 87/315
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 unit
High performance LED, Dynamic LED headlamp:
Left front lamp unit
Right front lamp unit
20
111Starter30
112Hybrid: Accelerator pedal sensor15
113Spare
114AIR BODY CONTROL compressor40
115Left horn and right horn15
116Spare
117Spare
118Hybrid: Electronic Stability Program control unit5
119Circuit 87 C2 connector sleeve15
120Circuit 87 C1 connector sleeve5
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 (-)
RAIR BODY CONTROL relay

Engine Pre-Fuse Box

2015-2019-Mercedes-Benz-GLC-Class-X253-C253-engine-pre-fuse-box-diagram-carsfuse.com
NumberFused componentFuse Amp
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
C1Hybrid: Decoupling relay
C2Hybrid: Circuit 31
C3/1Electronic Stability Program control unit40
C3/2Electronic Stability Program control unit60

Instrument Panel

2015-2019-Mercedes-Benz-GLC-Class-X253-C253-instrument-panel-fuse-box-diagram-carsfuse.com
NumberFused componentFuse Amp
200Front SAM control unit50
201Front SAM control unit40
202Alarm siren5
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 unit10
211Spare25
212Spare5
213Electronic Stability Program control unit5
214Spare30
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 in the Front-Passenger Footwell

2015-2019-Mercedes-Benz-GLC-Class-X253-C253front-passenger-footwell-fuse-box-diagram-carsfuse.com
NumberFused componentFuse Amp
301Hybrid: Pyrofuse via high-voltage disconnect device5
302Right front door control unit30
303Left rear door control unit30
304Valid for transmission 722: Intelligent servo module for DIRECT SELECT (A80)20
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
307Spare
308USA version: Electric Brake Control electrical connector30
309Emergency call system control unit10
309HERMES control unit
Telematics services communications module
5
310Spare
311Booster blower electronic blower regulator10
312Overhead control panel control unit10
313Hybrid: DC/DC converter control unit10
314Spare
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
320AIR BODY CONTROL control unit15
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
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 unit

Interior Pre-Fuse Box

2015-2019-Mercedes-Benz-GLC-Class-X253-C253-interior-pre-fuse-box-diagram-carsfuse.com
NumberFused componentFuse Amp
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 725 (except GLC 350 e 4Matic): Fully integrated transmission control unit60
10GLC 350 e 4Matic: Fully integrated transmission control unit100
11Spare
12Rear fuse and relay module40
13Right A-pillar fuse box50
F32/4k2Quiescent current cutout relay

Luggage Compartment

2015-2019-Mercedes-Benz-GLC-Class-X253-C253-luggage-compartment-version-1-fuse-box-diagram-carsfuse.com
Version-1
Version-2
NumberFused componentFuse Amp
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
408Right rear door control unit30
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 unit20
434Trailer recognition control unit30
435Trailer recognition control unit25
436Trailer recognition control unit15
437Trailer recognition control unit25
438DC/AC converter control unit30
439Spare
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
445Luggage 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
Hybrid: Sound generator
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
454BlueTEC: AdBlue control unit5
455DC/AC converter control unit5
456Front long-range radar sensor
DISTRONIC electric controller unit
5
457Hybrid:
Power electronics control unit
DC/DC converter control unit
Power electronics control unit
5
458Rear switching module5
459Hybrid: Charger5
460KEYLESS-GO control unit10
461FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier5
462Sound system amplifier control unit40
463Rear window heater via rear window interference suppression capacitor30
464Trunk lid control control unit
Liftgate control control unit
40
465Rear SAM control unit40
466Rear SAM control unit40
467Valid for engine 626: Fuel filter element with integrated heater40
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
Next Post: 2004-2010 Mercedes-Benz CLS-Class (W219) fuse box diagram

Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.

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