Jongi Merc C-Class (W203) Fuse List
...As prepared by Jongi W. Mbodla on Thursday, 08th August 2024!
Fuse Locations
- Fuses 1-20: Located in the trunk.
- Fuses 21-42: Located at the side of the dash on the driver’s side.
- Fuses 43-63: Located under the hood, near the hood hinge on the driver’s side.
Fuse Designations
- 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
- Auxiliary 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
- Convenience 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 Stability Program (ESP): 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 Fold-in 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, 29 (Coupe)
- 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. Indicator Lamp: Electronic
- Water Pump AMG: 5
- Windshield Washer Pump: Electronic
- Windscreen Wipers: 46
Fuse Ampere Ratings and Corresponding Colors
- 5A: Beige
- 7.5A: Brown
- 10A: Red
- 15A: Blue
- 20A: Yellow
- 25A: White
- 30A: Green
- 40A: Amber
- 50A: Red
- 60A: Blue
My Notes - regarding my 2003 C230 Coupe'
[this day]
- Check fuses 31 (Dash - driver), 52 & 57 (Engine Compartment).
- These are responsible for “Start Enable” and “Steering Lock”.
- Further Check: Central Locking (Fuses 21, 22, 32, 57) and Central Locking Interior Switch (Fuse 41).
Specific Fuse Details
- Fuse 31: 20A Yellow
- Fuse 52: 15A Blue
- Fuse 57: 5A Beige
- Fuses 21, 22, 32: 30A Green
- Fuse 41: 15A Blue - Working well, vehicle currently can lock from inside.
