MB GLB-Class (X247) | 2020-2026

Find Mercedes-Benz GLB-Class fuse box diagrams for 2020–2026 models with fuse locations, panel layouts, and detailed electrical information for all variants. This article covers the first-generation Mercedes-Benz GLB-Class (Model Code: X247), available from 2020, and includes fuse box diagrams for Mercedes-Benz GLB180, GLB200, GLB250, GLB35, GLB180d, GLB200d and GLB220d (2020, 2021, 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

It is situated in the engine compartment on the driver’s side. To access the fuses, unscrew bolts (1), then press the clips (2) and remove the cover.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.AmpsDescription
2130ACBC / SAM, Headlights
2220AHeadlights
2340AESP, Parking brake
2460AESP, Parking brake
25—–
2615A / 25AEngine Control Unit
2715ADiagnosis, Engine Control Unit
2815AEngine Control Unit
2915ADiesel Engine, Engine Control Unit
3015AEngine Control Unit, Hybrid
3110AEngine Control Unit, Hybrid
32—–
33—–
34—–
35—–
36—–
37—–
38—–
39—–
4030ACBC / SAM, Headlights
4110AEngine Control Unit
4230ACBC / SAM, Fanfare horn, Windshield wipers front, Rain sensor
4310AAutomatic Transmission, Engine Control Unit
4430AWindshield wipers front, Rain sensor
45—Automatic Transmission
4610AHybrid
477.5ADistronic / FCW
4820AHeadlights
49—Automatic Transmission
505AHybrid
51—Automatic Transmission
52—A/C system / heater
537.5AA/C system / heater
5410AEngine Control Unit
557.5AEngine Control Unit
565AEngine Control Unit
5710AAutomatic Transmission, Diesel Engine, Hybrid
58—–
59—–
60—4-Wheel drive, AMG
61—Hybrid
62—–
635AHybrid
64—Headlights
65—Driving School
665AHybrid
675ADiesel Engine
685ACBC / SAM
695AEngine Control Unit
707.5ADistronic / FCW
715AEngine Control Unit
725AESP, Parking brake
7330AStarter
74DiodeStarter
755AStarter
7640AHybrid
77—–
78—ESP, Parking brake, Hybrid

Passenger Compartment

Fuse Box Location

It is situated beneath the mat on the front passenger side. To access the fuses, fold the mat (1) back in the direction indicated by the arrow, then unscrew the bolts (2) and remove the block cover.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment

Fuse Data
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No.AmpsDescription
10340AA/C system / heater
10430ARadio system
10530A / 40AAMG (30A): 4-Wheel drive
Diesel (40A): 4-Wheel drive
10630AAnti-theft alarm system, CBC/SAM, Central locking, Wipers rear
1075ADistronic / FCW
1085AEmergency call system
10915AMulti-Media Box, Telephone system, Navigation, Multifunction steering wheel
11010ADiagnosis
1117.5AInstrument Cluster
1127.5AAirbag Restraint System
11330ATilting / Sliding roof
11415ADamper adjustment
11530AAirbag Restraint System
1167.5ASeat driver, Seat passenger
11730ACentral console or 115/230V socket
118—–
11930AAirbag Restraint System
120—–
12140AHeated rear windows
122—–
12310APower socket / USB
12420ACigar lighter / socket front
125—–
12620ASocket, load compartment, special vehicles
127—–
128—–
12910AAnti-theft alarm system
1305AHybrid
1315ARadio system
1327.5AElectronic ignition lock, Steering column lock
133—–
13430A4-Wheel drive, AMG
13515ADiesel: Engine
13630ASeat driver, Seat passenger
137—–
13830ASeat driver, Seat passenger
13920A4-Wheel drive, AMG
14015AOverhead control panel
141—–
1427.5ARotary light switch
1437.5AControl panel
1445AControl panel, Multi-Media Box, Telephone system, Navigation, Multifunction steering wheel
14510AMulti-Media Box, Telephone system, Navigation, Multifunction steering wheel
1467.5AMulti-Media Box, Telephone system, Navigation, Multifunction steering wheel
147—–
1485AMulti-Media Box, Telephone system, Navigation, Multifunction steering wheel
14910A4-Wheel drive, AMG
150—–
1517.5AHybrid
15225AInstrument Cluster, Multi-Media Box, Telephone system, Navigation, Multifunction steering wheel, Radio system
15310AHybrid
15430ADoor functions
15510AHybrid
15630ADoor functions
157—–
15830ACBC/SAM, Exterior lighting, Hazard warning flashers / ECO
15925AFuel pump
16010AElectronic ignition lock, Steering column lock
16130ADoor functions
162—–
16330ADoor functions
164—–
16530ACBC/SAM, Exterior lighting, Hazard warning flashers / ECO
166—A/C system / heater, Japan: ETC/DSRC Card Reader
1675ACentral locking, Tire pressure monitoring system
1685AMulti-Media Box, Telephone system, Navigation, Multifunction steering wheel
1697.5ADistronic / FCW, Exterior lighting, Hazard warning flashers / ECO, Multi-Media Box, Telephone system, Navigation, Multifunction steering wheel, Windshield wipers front, Rain sensor
17010ACigar lighter / socket front, Multi-Media Box, Telephone system, Navigation, Multifunction steering wheel
1717.5AParktronic system

Luggage Compartment

Fuse Box Location

The fuse box is located beneath the floor panel in the luggage compartment. Lift the trunk floor lid to access it.

Fuse Box Diagram

Fuses

Assignment of the fuses in the luggage compartment

Fuse Data
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No.AmpsDescription
20225ATrailer hitch
208Trailer hitch
20920ATrailer hitch
21030ATrailer hitch
21120ATrailer hitch

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