Home > DIY > C-Class > W203 (2000-2007) > 2001-2007 C-Class Fuse List, Location, Diagram W203
w203 c class fuse location

2001-2007 C-Class Fuse List, Location, Diagram W203

Here is the list of fuse designations for the Mercedes-Benz  C Class. It is a combined list of all the fuses, including pre-facelift up to 2007.  Scroll to the bottom of the list if you are wondering where the fuses are on the C Class. This applies to all C Class models years 2001-2007.

  • Fuses 21-42 are located at the side of the dash. On the driver’s side.w203-Fuse_Location_Dash
  • Fuses 1 through 20 is located in the trunk.  w203-Fuse-Trunk
  • Fuses 43-63 are located under the hood, near the hood hinge on the driver’s side.w203-fuses-Location-Dash

Take a look at the pictures for the exact location.


ABS 56, 59, 60,62
Airbag Warning Lamps 41,42,45,49
Active Head Restraint 7
Airbag/ Side Airbag Control unit 45, 49
Air Conditioner SE 41,51
Anti Theft Alarm 8,9,41
Automatic Heater System 41
Auxilary Heater SE 35
Blower Motor (Heater / AC) 30,41
Brake Lights 62
Central Locking 21, 22,32,57
Central Locking Interior Switch 41
Cigar Lighter 47
Conenience Locking 8,9,21,22,32,33
Courtesy Lights 21,22
Diagnostic Socket 62
Dipped Beam 62,63
Dome Lights Interior Light 3,9
E-Call / TeleAid 40,44
Electronic Stabilty Program EPS 55,56,57,59,60,62
Engine Electronics 48,53,54
Engine Emergency Stop 53,54
Engine Fan 51
Engine Residual Heat System 30,41,51
Fanfare 43
Fog Lamps Electronic
Fog Tail Light electronic
Fuel Filler Flap Unlocking 15
Fuel Pump 4
Garage Door Opener 9
Glove Compartment Light 47
Hazard Warning Flashers 41
Headlamp Flasher Electronic
Headlamp Range Adjust 51
Headlamp Washer System 63
Heated Rear Window 10,41
High Beam High Beam Tell Tale electronic
Instrument Cluster 42
Language Control System 13,16
License Plate Illumination Electronic
Locking Check Back Electronic
Low Beam 62,63
Main Beam, M.B. Indicator Lamp Electronic
Make Up Mirror 9
Mirror Adjustment 21,22,63
Mirror Adjustment Dimming 9,21
Mirror Heater 21,22
Mirror Foldin Feature 21,22,63
Multi Contour Backrest 13,19
Multi Function Steering Wheel Electronic
Navigation System 64
Number Plate Light Electronic
Parking Lamps Tail Lamps Electronic
Parktronic System 13,41
Power Socket, Boot 12,20
Power Windows Front 21,22
Power Windows Rear 21,32,33
Radio 64 or 36
Rain Sensor 9
Rear Fog Light Electronic
Rear Head Release 41
Rear Windscreen Wash System 14,41
Remote Boot Trunk Release 8,21
Reversing Lamps Electronic
Seat Adjustment Driver 2,21,27, 29 coupe
Seat Adjustment Passenger 1,22,38, 34 coupe
Seat Heater 25,41
Sound System 26
Start Enable 31,52,57
Steering Lock 31
Steering Wheel Adjustment 2,21,27, Coupe 29
Sun Blind for Rear Window 20,41
Switch Illumination 9,21,22,32,33,41,50
Tele Aid E Call 40,44
Telephone Systems 13,16,40,44,36
Television 3
Sunroof Sliding Roof 9
Trailer Lights 17
Trailer Power Supply 18
Transmission Electronics 55,58,61
Turn Signal T.S. Indicaator Lamp Electronic
Water Pump AMG 5
Windshield Washer Pump Electronic
Windscreen Wipers 46

Ampere – Color

5 beige
7.5 brown
10 red
15 blue
20 yellow
25 white
30 green
40 amber
50 red
60 blue

What is the Best Scanner for Diagnosing Tripped Fuses and Broken Relays on a Mercedes-Benz?

The YOUCANIC full-system diagnostic scanner is a smart tool that helps uncover the mysteries of a car’s electronic systems. It’s a go-to for tackling tricky electrical problems, perfect for car experts and enthusiasts. If you’re dealing with a tripped fuse, this scanner quickly spots where things went wrong and helps you get things back on track.

Overall, the YOUCANIC full system diagnostic scanner is invaluable for any Mercedes-Benz owner or technician looking to troubleshoot problems quickly and accurately. With its user-friendly interface and powerful diagnostic capabilities, you can save time, money, and frustration by diagnosing and resolving issues with your Mercedes-Benz quickly and efficiently.


  1. My trunk motor went out so i got the replaycemnt the only thing is the wiring how to connect it back.

  2. Alan Hunter-Craig

    Really useful and exactly what one requires when looking to change a fuse.

  3. Wow,thank you so much..I was looking every where for this. Just wondering do you have a relay diagram,need to find ac relay..
    I have a 2005 c230k

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