MB C-Class (W205) | 2019-2021

Find Mercedes-Benz C-Class fuse box diagrams for 2019–2021 models with fuse locations, panel layouts, and detailed electrical system information for petrol, diesel, hybrid, and AMG variants. This article covers the fourth-generation facelifted Mercedes-Benz C-Class (Model Code: W205), available from 2019, and includes fuse box diagrams for Mercedes-Benz C160, C180, C200, C250, C300, C400, C450, C43 AMG, C63 AMG, C180d, C200d, C220d, C250d, C300h and C350h (2019, 2020 and 2021), 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 located on the driver’s side in the engine compartment, near the windshield washer reservoir. To access it: press the clips (1) on the engine cover (2) and remove it, then unscrew the screws (3) and remove the fuse box cover (4).

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.AmpsDescription
10040AABS/ASR/ESP/BAS
101Engine electronics
102Engine electronics
103Engine electronics
104Engine electronics
10760AEngine electronics
11020AExterior lighting
11120AExterior lighting
11230AWindscreen wipers
11330AEngine electronics, Starter motor
11440AAgility select / Airmatic
1165AABS/ASR/ESP/BAS
11815AEngine electronics
119Engine electronics
12110AAuxiliary heating
1235ACentral locking
1255AEngine electronics
1265AExterior lamp switch, Exterior lighting
1275AEngine electronics, Starter motor
1285AABS/ASR/ESP/BAS, Electric parking brake, AMG
1295AUSB rear charging connection

Passenger Compartment (Left)

Fuse Box Location

The fuse box is located at the edge of the dashboard on the driver’s side.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment (Driver’s side)

Fuse Data
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No.AmpsDescription
20050ACentral locking
20140ACentral locking
2025AParking Assist
20320ASteering lock
2045ADiagnostic socket
2055AETC (Electronic Toll Collection System)
2065AAnti-theft alarm
20715AClimate control
20810AClimate control
2095AClimate control
21010AHeated steering wheel / Steering wheel adjustment, Multi-function steering wheel
2117.5ACOLLISION PREVENT ASSIST PLUS, Driving assistance systems
2137.5AAnalogue clock
2195AOfficial vehicle

Passenger Compartment (Right)

Fuse Box Location

The fuse box is located on the passenger side near the footwell on the right side. To access it, fold the cover (1) back and remove it.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment (Passenger’s side)

Fuse Data
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No.AmpsDescription
301Engine electronics, Service disconnect
30230ACentral locking, Exterior mirror function, Interior lighting, Power windows
30330AInterior lighting, Power windows
30420ARadio / Navigation systems
30530ASeat adjustment / Comfort functions, Seat heating / ventilation
30630ASeat adjustment / Comfort functions, Seat heating / ventilation
308ABS/ASR/ESP/BAS, Automatic transmission, Body controller front
3095AEmergency call system / connect me
31020AEngine electronics
3117.5ACOLLISION PREVENT ASSIST PLUS, DISTRONIC PLUS, Driving assistance systems
31210AInterior lighting
3135AElectric parking brake, AMG
31425AAgility select / Airmatic
3155AEngine electronics
31730APanoramic sliding sunroof
3185AAutomatic transmission
31910AKEYLESS-GO
3205ACentral locking, KEYLESS-GO
32110AIgnition lock
3227.5AInstrument cluster
MF1Airbag systems, Heated steering wheel / Steering wheel adjustment, Left/right belt tensioner, front, Multi-function steering wheel, Radio / Navigation systems, Rain / Light sensor
MF2Climate control, Engine electronics, Head-up display, Left/right belt tensioner, front, Radio / Navigation systems
MF3Climate control, Driving assistance systems, Radio / Navigation systems, Telephone/Inductive mobile phone charging function, USB rear charging connection

Luggage Compartment

Fuse Box Location

The fuse block is located beneath the floor in the luggage compartment. To access it, lift the trunk floor up, then raise the fuse box cover (1).

Fuse Box Diagram

Fuses

Assignment of the fuses in the trunk

Fuse Data
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No.AmpsDescription
4035A230 V socket
40430ASeat adjustment / Comfort functions
40530ASeat adjustment / Comfort functions
40630ACentral locking, Exterior mirror function, Interior lighting, Power windows
40830ACentral locking, Interior lighting, Power windows
40915AFuel system
41025AElectric parking brake, AMG
41130ALeft/right belt tensioner, front
4125AHybrid power electronics
4135A48V Powerpack
4145ATV tuner
4155AAmbient lighting, Climate control
4165AAir-balance (fragrance generator), Tyre pressure monitor
4175AParking Assist, Reversing camera
42725AOfficial vehicle, Taxi/official vehicles
4285AElectric parking brake, AMG
443Official vehicle, Taxi/official vehicles
44415ATrailer tow hitch
44515ATrailer tow hitch
44625ATrailer tow hitch
44715ATrailer tow hitch
44825ATrailer tow hitch
44930A230 V socket
450Official vehicle, Taxi/official vehicles
45130ASeat heating, rear
45325AFuel system
45430ALeft/right belt tensioner, front
45515ARear compartment entertainment
45615A12 V socket, luggage compartment
45715ACigarette lighter / 12V socket, front
45815A12 V socket, rear
46110AEngine electronics
46215ASound system
4645ABody controller front
4675ASeat heating, rear
4685ASeat adjustment / Comfort functions
4695AKEYLESS-GO, Tailgate / Boot lid convenience closing Hands Free Access
4705ASeat adjustment / Comfort functions
4725ACOLLISION PREVENT ASSIST PLUS, DISTRONIC PLUS, Driving assistance systems
47340ASound system
47430AHeated rear window
47540ATailgate / Boot lid convenience closing Hands Free Access
47640ABody controller rear
47740ABody controller rear
47840AFuel system

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