MB GLC-Class (X/C254) | 2022-2026

Explore Mercedes-Benz GLC-Class fuse box diagrams for 2022–2026 models with fuse locations, panel layouts, and detailed electrical information for all variants. This article covers the second-generation Mercedes-Benz GLC-Class (Model Codes: X254, C254, V254), available from 2022, and includes fuse box diagrams for Mercedes-Benz GLC200, GLC300, GLC300e, GLC350e, GLC43, GLC63, GLC220d, GLC200d, GLC300d and GLC450d (2022, 2023, 2024, 2025 and 2026), along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse (fuse layout).

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Engine Compartment

Fuse Box Location

The fuse box is positioned in the engine compartment on the driver’s side, close to the windshield. To access it, rotate both retaining clips (2) on cover (1) a quarter-turn clockwise. Lift cover (1) upward. Loosen screws (3), then remove the fuse box lid (4) from above.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.AmpsDescription
10015A / 25A15A: Engine electronics, Supply KI. 87_C
25A: Engine electronics, Water pump
1017.5A / 15ANox petrol (7.5A): Engine electronics control unit
Nox diesel (15A): Engine electronics control unit
10225AEngine electronics
10315A / 20A / 25APetrol (15A): Engine electronics
Diesel (20A): Engine electronics
AMG (25A): Engine electronics
10420AEngine electronics
10520AEngine electronics
1065AEngine electronics (AMG)
10715A / 30A15A: Exterior lighting, Reading lamps – Front, Left static headlight
30A: Exterior lighting, Reading lamps – Front, Left dynamic headlight
10830AWindscreen wipers, Windshield wipers
1095AEngine electronics
110—–
11130ABody controller – front
11220AEngine electronics (AMG)
11315A / 30A15A: Exterior lighting, Reading lamps – Front, Right static headlight
30A: Exterior lighting, Reading lamps – Front, Right dynamic headlight
11430ABody controller – front
115—–
1165AEngine electronics (AMG)
11710AEngine electronics (AMG)
11815AEngine electronics
11915AEngine electronics
12010AEngine electronics
12115AEngine electronics
1225AEngine electronics
1235ABrake booster (i-booster)
124—–
125—–
126—–
127—–
1285AABS/ASR/BAS/ESP/SBC
1295ABody controller – front
130—–
131—–
132—–
133—–
134—–
135—–
136—–
137—–
138—–
1395A / 7.5APetrol (5A): Engine electronics, Exterior lighting, Control unit, On-Board Diagnostic socket
Diesel (7.5A): Engine electronics, Exterior lighting, Engine glow end time control
1405AEngine electronics
1417.5ABrake booster (i-booster)
1427.5AEngine electronics
14330AEngine electronics (AMG)
14430AEngine electronics (AMG)
14530AEngine electronics (AMG)
14630AEngine electronics (AMG)
14730AEngine electronics (AMG)

Passenger Compartment (Dashboard)

Fuse Box Location

The fuse box is located beneath a cover on the driver’s side of the cockpit.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment (Dashboard)

Fuse Data
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No.AmpsDescription
2005AClimate control control panel – front
2015ABody controller – front
2025AHybrid power electronics
2035AClimate control control panel – rear
2045A / 15A5A: Radar sensor forward collision warning system
15A: Distronic 1-box
20510ADiagnostic socket
2065A / 10A5A: Lumbar support control – driver
10A: Control unit, driver’s multicontour seat
2075AClimate control control panel – front
2085A / 10A5A: Control unit, On-Board Diagnostic socket
AMG (10A): Control unit, Drive-Unit
20930ABody controller – front
2105A / 15A5A: Pyrofuse 48V
15A: Hybrid-periphery, Service-Disconnect Hybrid – HV disconnection device
21130ARadio / navigation systems / display, Seat heating/ventilation
21230ADoor operating functions – front left / right
21330ALeft/ right belt tensioner – front
21430AControl units – doors, Panoramic sunroof (Only LHD)
21530ASeat adjustment/comfort functions
21625AAir suspension
2175ADriver observation camera
2187.5A / 15ABasic model (7.5A): Seat adjustment/comfort functions, Steering column switch module
With special equipment steering wheel heater (15A): Seat adjustment/comfort functions, Steering column switch module
2195AHead-up display
2205APerfume atomiser, Toll collect system
221—–
2225AETC/Electronic Toll Collection
2235ADriver display
22410AInstrument cluster
22510ACentral display
226—Telephone systems

Passenger Compartment (Footwell)

Fuse Box Location

The fuse box is situated on the right side of the front passenger footwell. To access it, fold out and remove the cover (1).

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment (front footwell)

Fuse Data
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No.AmpsDescription
3005AMulti access unit
301—Central locking, Trunk lid / rear-end door remote locking / Hands-Free-Access
3025AAnti-theft alarm
3035AAntenna module
30410AIgnition lock
3055AAnti-theft alarm system, Overhead control panel, Sliding sunroof/panoramic roof
306—Light/rain sensor, Rain and light sensor
307—On-board network 48V
308—Hybrid power electronics, On-board network 48V
309—Tire pressure monitoring system, Tyre pressure monitor
310—–
311—Ignition lock
312—Seat adjustment/comfort functions, Telephone systems
313—Seat adjustment/comfort functions
314—Driving assistance systems
315—–
316—Engine emergency stop
317—–
3185AAirbag systems
31910AIgnition lock
32010AOverhead control panel
32115AAMG: All-wheel drive
3225A / 10A5A: Lumbar support control, passenger
10A: Control unit, front passenger’s multicontour seat
32310AIgnition lock
3245ADriving assistance systems
325—–
32630ADoor operating functions – rear left / right
327—–
32830AAMG: Engine electronics
32930Aleft/ right belt tensioner – front
3307.5A / 30A7.5A: HV PTC heat booster
30A: Stationary heater
33130ARadio / navigation systems / display, Radio/navigation systems
33230ASeat adjustment/comfort functions
33330AOverhead control panel, Panoramic sunroof (Only RHD), Sliding sunroof/panoramic roof
33420AMultimedia box, Overhead control panel, Sliding sunroof/panoramic roof
3357.5A / 10A / 20AChina (7.5A): MM box, standard
10A: MM box, standard/MM box, code 21U Dashcam
20A: MM box, code 72B USB Plus

Luggage Compartment

Fuse Box Location

The fuse box is situated on the right side of the luggage compartment beneath the lid/cover; simply remove the cover to access the fuses.

Fuse Box Diagram

Fuses

Assignment of the fuses in the luggage compartment

Fuse Data
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No.AmpsDescription
40020ACigar lighter, front / 12V Socket – front
40120A12V Socket – rear
402—–
40330ASeat adjustment/comfort functions
40430ASeat adjustment/comfort functions
405—–
406—–
4075AHybrid-periphery, Suspension, USB Socket 2nd seat row
408—–
409—–
410—–
411—–
412—–
41315AEngine electronics
41430ABody controller – rear
41530AFuel system
41630ADoor operating functions – front left / right
41730ADoor operating functions – rear left / right
41840AEngine electronics
41940AHeated rear window
42040ATrunk lid / rear-end door remote locking / Hands-Free-Access
42130ABody controller – rear
42215ASound system, USB-socket
423—–
42430ASeat heating – rear, Seat heating/ventilation/pads heating
42515ACharging system
426—–
427—–
428—–
429—–
4307.5ACommunication module, Hybrid power electronics
431—–
4327.5ADriving assistance systems
433—–
434—–
435—–
4365A / 7.5AHybrid (5A): Control unit, BMS
AMG (7.5A): Control unit, BMS
4375AAMG: Ambient lighting, On-board network 48V
4385AParking Assist
4395ADriving assistance systems
44015AOn-board battery charger plug-in
4415ATrunk lid / rear-end door remote locking / Hands-Free-Access
4425ACharging system, Hybrid power electronics
443—–
4445AHybrid power electronics
44515AAMG Sound-Experience, Sound system
446—USB-socket
44740ASound system, Special-purpose vehicle
448—–
449—–
45030ATrailer coupling, Trailer hitching
45120ATrailer coupling, Trailer hitching
45225ATrailer coupling, Trailer hitching
45325ATrailer coupling, Trailer hitching
45420ATrailer coupling, Trailer hitching
455—–
45620AEngine electronics
45710AEngine electronics

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