Fuses — Mercedes Class C W203

Find fuses for Mercedes Class C W203: symptom assistant, positions, panels, available ratings and an A4 PDF sheet. Confirm the variant in the manual.

Fuse boxes and fuse list

Fuse rating

FuseRatingProtected circuit
1,2,21,22,25,27,29,32,33,34,35,3830 Agreen
3,5,8,16,40,42,45,49,51,(54 Diesel),557,5 Abrown
4,17,18,19,3120 Ayellow
9,26,37,(53 Diesel)25 Awhite
10,30,46,58,60,65 (Maxi)40 Aamber
12,14,41,43,47,48,52,(53,54 gasoline),6115 Ablue
13,44,50,56,57,62,635 Abeige
15,20,6410 Ared
59 (Maxi)50 Ared

Mercedes C Class w203 (Second generation 2000 – 2007) – fuse box

FuseRatingProtected circuit
1,22,38,(34 sp.-coupe)—Seat adjustment, passenger
3—Television (SE)
3,9—Dome lights
4—Fuel pump (P0087, P0230, P0231, P0232)
5—Water pump (AMG-Kompressor)
8,9,21,22,32,33,—Convenience locking
8,9,41—Anti-thef alarm (SE)
8,21—Remote boot/trunk release
9,21—Mirror automatic dimming (SE)
9,21,22,32,33,41,50—Switch illumination
10,41—Heated rear window
12—Power socket, boot (SE)
13,16—Language control system (SE)
13,16,40,44—Telephone systems (SE)
13,19—Multi-contour backrest (SA)
13,41—Parktronic system (SE)
14,41—Rear windscreen wash system
15—Fuel filter flap unlocking
17—Trailer lights (SE)
18—Trailer, power supply (SE)
20,41—Sun blind for rear window (SE)
21,22,32,33,57—Central locking
21,32,33—Power window, rear
25,41—Seat heater (SE)
26—Sound system (SE)
30,41—Blower motor (heater/AC)
30,41,51—Engine residual heat system (SE)
31—Steering lock
31,52,57—Start enable
35—Auxiliary heater (SE)
41,42,4549—Airbag warning lamps
41,51—Air-conditioner (SE)
42—Instrument cluster
43—Fanfare
45,49—Airbag/side airbag control unit
46—Windscreen wiper
47—Glove compartment light
48,53,54—Engine electronics
55,56,57,59,60,62—Electronic Stability Program
55,58,61—Transmission electronics (SE)
56,59,60,62—ABS
63—Headlamp washer system (SE)