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.

- Fuses 1 through 20 is located in the trunk. Â

- Fuses 43-63 are located under the hood, near the hood hinge on the driver’s side.

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 |
| COMAND | 64 |
| 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 |
FUSES AND THE CORRESPONDING COLOR
Ampere – Color
| 5 beige |
| 7.5 brown |
| 10 red |
| 15 blue |
| 20 yellow |
| 25 white |
| 30 green |
| 40 amber |
| 50 red |
| 60 blue |
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My trunk motor went out so i got the replaycemnt the only thing is the wiring how to connect it back.
Really useful and exactly what one requires when looking to change a fuse.
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