Fuses and relays Mercedes C-class (W202; 1993 - 2000)

Mercedes-Benz W202 is a compact executive passenger car of the German automaker from the C-Class series. It replaced the W201 model (also known under the index 190) in May 1993. In this article we will understand in detail fuse box diagrams Mercedes W202 C-class (1st generation) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 years of manufacture.

general view of the car
Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.

In the engine compartment

Installation locations for fuse boxes in the engine compartment of a car
There are two units in the underhood space - main #1 (it has 3 variations) and auxiliary #2.

Main fuse box

General view of one of the variants (C230).

No. Description A
F1 Control unit for heated seat (front), seat belt drive (comfort) 5
F2 Seat occupant sensor, side impact sensors, seat belt pretensioner control unit 5
F3 Audio system, telephone, voice activation system unit 15
F4 Instrument cluster 5
F5 Power connector for optional equipment (station wagon), navigation system, sunshade 15
F6 Folding rear view mirrors on the doors 7.5
F7 Power door mirrors, power windows, instrument cluster dimming rheostat, reversing light switch, tailgate/trunk lid lock, navigation system, telephone (06/98), control unit (in case of accident) (06/98-05/99) 7.5
F8 Door electrical control unit, driver's side 30
F9 Sunroof, interior lighting, rain sensor, power door locks, instrument cluster illumination rheostat, auto-dimming mirrors, remote control central locking system 25
F10 Audio system, telephone 15
F11 Heated seats 20
F12 Audio system 25
F13 Reverse light(s) (06/98), headlight correction control unit (xenon lamps) 15
F14 Parking system control unit 5
F15 Rear window cleaner / washer (station wagon) 15
F16 Vehicle stability control system 5
F17 Door electrical control unit, driver's side (rear) 30
F18 Turn signal indicators (^05/98), trailer electrical connector 25
F19 Instrument cluster, lamp condition monitoring unit, daytime running light control unit 10
F20 Air conditioning, heating / ventilation 15
F21 -  
F22 Combination switch (windshield wiper/washer, turn indicators, low beam/distance beam, headlight washers) 10
F23 Cigarette lighter fuse w202, glove box illumination lamp 15
F24 Front / rear parking lights (right), trailer electrical connector (rear left parking light), instrument cluster, license plate illumination lamps, cigarette lighter illumination lamp, headlight washers 15
F25 Front / rear position lamps (right), trailer electrical connector (rear right position lamp) 7.5
F26 Fog lights, trailer electrical system connector (fog lights) 7.5
F27 Steering column position adjustment actuator 15
F28 Cigarette lighter, bar 10
F29 Air conditioner/heater fan electric motor 30
F30 Instrument cluster, air conditioning, heating / ventilation 10
F31 Right headlight - dipped beam 7.5 / 15
F32 Left headlight - dipped beam 7.5 / 15
F33 Right headlight - high beam 7.5
F34 Left headlight - high beam 7.5
F35 Fog lamps 15
F36 -  
F37 -  
F38 Air conditioning 30
F39 -  
F40 Horn (beep) 10
F41 Turn signal indicators, instrument cluster lamps - indicators, audible warning lights, windshield wiper/washer, rain sensor, rear window heater, cooling fan motor, auxiliary heating/air conditioning system, headlight washers, emergency warning system 15
F42 Windshield washer fluid heater 7.5
F43 Windshield washer pump motor 7.5
F44 Windshield wipers, rain sensor 40
F45 Headlight washers 15
No. Relay
1 Horn relay
2 Windshield washer pump
3 Windshield wiper motor
5 Headlight washer pump
6 ABS pump (TCS / ESP)
No. Appointment A
F1 Dipped beam - right headlight 7.5
F2 Cigarette lighter fuse Mercedes 202, glove box illumination lamp, audio system 10 / 15
F3 Audio system, heater control, air conditioning 10
F4 Turn indicators, emergency signaling, clock 15
F5 Audible signals, heater control unit, air conditioner 20
F6 Direction indicators - left 7.5
F7 Dipped beam - left headlight 7.5
F8 Rear window heater, inside rear view mirror 7.5
F9 Cigarette lighter illumination lamp, license plate illumination lamps, instrument cluster 7.5
F10 Spare  
F11 Air conditioning 7.5
F12 Stop lamps, instrument cluster, lamp control unit 10
F13 fan motor for auxiliary heater 30
F14 Heater blower motor 30
F15 Windshield wiper motor 30
F16 Rear window heater 30
F17 Electric motor of the exhaust air pump 40
F18 Front parking light-left, rear parking light-left 7.5
F19 High beam - right headlight 7.5
F20 Seat heaters, audio system, telephone, sun shade - rear 10/15
F21 Antenna 7.5
F22 Fog lights 10
F23 Diagnostic connector, overload protection, EVAP valve, EGR valve, variable valve timing actuator, glow plug relay 15
F24 Front parking light - left, rear parking light - left 10
F25 High Beam - Left Headlight, High Beam On Indicator 7.5
F26 SRS indicator light, power window control unit, telephone 7.5
F27 Local light bulbs, passenger compartment light bulb 7.5
F28 Rear fog lights 7.5
F29 Reverse lights, power door mirrors, door mirror heaters, windshield washer nozzle heaters, transmission selector position sensor 15
F30 Headlight washer / cleaner 10
F31 Spare  
F32 Diagnostic unit 7.5
F33 Interior light bulbs, trunk light bulb, cosmetic mirror light bulbs, central locking system 15
F34 Electric head restraint adjustment motors, daytime lighting system 7.5
F35 Interior light bulb - front, anti-theft system, Trailer electrical control unit 7.5
No. Appointment A
F1 Direction indicators 7.5
F2 Horn, heater control unit 15
F3 Stop lamps, instrument cluster, lamp control unit, windshield washer nozzle heaters 15
F4 Dipped beam - right headlight 7.5
F5 Dipped beam - left headlight 7.5
F6 High beam - right headlight 7.5
F7 High beam - left headlamp, high beam indicator light 7.5
F8 Fog lights 10
F9 Heater blower motor 30
F10 Instrument cluster and alarm 15
F11 Rear window heater 40
F12 Air conditioning system, heater 10
F13 Windshield wiper motor, windshield washers, headlamp high beam switch 40
F14 Cigarette lighter fuse 202, glove box illumination lamp 15
F15 Front position lamp - right, rear position lamp - right, instrument cluster illumination, license plate illumination lamps 15
F16 Front position lamp - left, rear position lamp - left 7.5
F17 Rear fog lights 7.5
F18 Heater blower motor control unit, air conditioner condenser blower motor 7.5
F19 Trailer electrical equipment 15
F20 SRS indicator 7.5
F21 Audio system, telephone, seat heating control unit 15
F22 Rear window blinds 10
F23 Interior lamps, anti-theft system, rear head restraints, rear window wiper / washer 15
F24 Reversing lights, electric door mirrors 15
F25 Seat heater 20
F26 Audio system, telephone 15
F27 interior lighting, luggage compartment lighting, central locking, anti-theft system 15
F28 -  
F29 Air conditioner condenser fan 30

Additional fuse box


No. Appointment A
F1 Diagnostic connector (DLC) 7.5
F2 ABS / ESP- petrol 10
F3 Automatic transmission 10/25
F4 Engine management system - Gasoline 15
F5 20
F6 15
F7 Exhaust Air Pump - Gasoline 40
1 Electronic engine control unit
2 Electronic control unit ABS / ESP
3 Relay block - includes: Overload / surge protection relay, starter relay, gasoline exhaust air pump relay
4 Starter relay
5 Diagnostic connector (DLC)

In the trunk

Location of the fuse box in the luggage compartment of the car
The mounting block is located in the spare wheel well. It is available in 3 versions.

Photo - an example of execution (type 1)

Type 1
No. Appointment A
F1 Power seat (left) 25
F2 seat drive (right) 25
F3 Power seat (left) 25
F4 Power seat (right) 25
F5 Audio system 25
F6 CD changer 7.5
F7 Power windows - rear 30
F8 Anti-theft control unit 7.5
F9 Multifunctional control unit 7.5
F10 Power windows-front 30
F11 Anti-theft system, audible alarms 20
F12 Seat heater 20
F13 Sunroof 20
F14 Anti-theft system 25
F15 Stock  
F17 Telephone 30
F18 Trailer electrical equipment 25
F19 Spare  
Type 2
No. Appointment A
F1 Fuel module (fuel pump fuse Mercedes w202) 25
F2 Central locking control unit 30
F3 Power window elevator (driver's door) 30
F4 Central locking control unit 40
F5 Power window elevator, driver's side (rear) 30
F6 Interior-rear light bulb, tailgate/trunk lid illumination bulb, power seats 5
F7 Anti-theft system 5
F8-9 -  
F10 Left front seat 25
F11 25
F12 Power front right seat 25
F13 25
Option 3
No. Appointment A
F1 Audio system 25
F2 Multifunctional control unit 7.5
F3 Anti-theft system 20
F4 Antenna 7.5
F5 Interior lamps 7.5
F6 Trailer electrical equipment 25
F7 Power windows - rear 30
F8 Power Windows - Front 30
F9 Sunroof 20
F10 Power Seat - Left 30
F11 20
F12 Power Seat - Right 20
F13 20

All electrical equipment

General layout of electronic modules in Mercedes W202.
1. air conditioner control unit;
2. Antenna signal amplifier - roof panel (station wagon);
3. Anti-theft system control unit - right side of the luggage compartment;
7. Vehicle tilt sensor (anti-theft system);
8. Anti-theft alarm system buzzer - behind the front left wheel arch lining;
9. Volume change sensor (anti-theft alarm system), left - center pillar;
10. Volume change sensor (anti-theft system), right - center pillar;
11. Audio output amplifier - left-hand side of the luggage compartment;
12. Auxiliary heater control unit;
13. Battery - spare wheel well;
14. Central locking control unit - functions: Rear window heater, interior light bulb - rear, anti-theft system, trunk lid/rear door light bulb, trunk lid/rear door lock - right side of luggage compartment;
15. Diagnostic connector (DLC);
16, 17, 18, 19. Door electrical control unit ;
20. Power window control unit / power door mirror control unit - in the center console switch unit;
21. Fuse box/relay, luggage compartment (spare wheel well);
22, 23. Fuse box/relay, engine compartment;
24. Headlight correction control unit (Xenon lamps);
25. Horn - behind the front bumper;
26. Ignition switch control unit;
29. Multifunction control unit 1 - functions: Central locking, emergency alarm, rear window heater, turn indicators, windshield wipers, headlight washers, air conditioning, head restraints (rear), horn signals;
30. Multifunction control unit 2-functions: Interior lighting lamps, sunroof, cosmetic mirror illumination lamps;
31. Navigation system control unit-niche spare wheel well;
32. Ambient air temperature sensor;
33. Parking system control unit - right footwell;
34. Rain sensor - in the inside rearview mirror;
35. Rear window wiper/washer relay - behind the lower tailgate trim (station wagon);
36. Relay unit-functions: Overload/overvoltage surge protection relay, starter relay, exhaust air pump relay(gasoline), transmission control relay (Diesel);
37. Heated seat control unit, front. - in the switch box;
38. Side impact sensor, left - under the front seat;
39. Side impact sensor, right - under the front seat;
40. SRS electronic unit;
41. Body height sensor, front - headlamp control (Xenon headlamps);
42. Body height sensor, rear - headlamp control (Xenon headlamps);
43. Phone interface control unit - spare wheel well;
44. Phone interface control unit - left-hand side of the luggage compartment (for cell phone);
45. Phone interface control unit-right side of luggage compartment (for cell phone) (station wagon);
46. Electronic transmission control unit - front right footwell;
48. Voice activation unit - left side of the luggage compartment;
49. Voice activation unit - right-hand side of luggage compartment (station wagon).

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