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

Mercedes-Benz W202 is a compact executive car of the German automaker from the C-class series. Replaced the W201 (also known as 190) in May 1993. In this material, we will analyze in detail the fuse circuits for the Mercedes C-class of the 1st generation in the W202 body: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 model year.

general view of the car
Here you will find the locations and photos of the fuse blocks. Separately, we note the elements responsible for the cigarette lighter and fuel pump.

In the engine compartment

Installation locations for fuse boxes in the engine compartment of a car
There are two blocks in the engine compartment - the main one (it has 3 variations) and an additional one .

Main fuse box

General view of one of the options (C230).

Assigment of elements in the main engine fuse box
No. Description A
F1 Seat heating control unit (front), seat belt drive (comfort) 5
F2 Seat occupant sensor, side impact sensors, seat belt pre10sioner control unit 5
F3 Audio system, telephone, voice activation system unit 15
F4 Instrument cluster 5
F5 Accessory Power Socket (Estate), Navigation System, Sunblind 15
F6 Folding door mirrors 7.5
F7 Power door mirrors, power windows, rheostat for dimming the instrument cluster, reversing light switch, rear door / trunk lid lock, navigation system, telephone (06/98), control unit (in case of an accident) (06 / 98- 05/99) 7.5
F8 Door control unit, driver's side 30
F9 Sunroof, interior lighting lamps, rain sensor, full door lock, instrument cluster illumination rheostat, auto-dimming mirrors, central locking remote control system 25
F10 Audio system, telephone 15
F11 Heated seats 20
F12 Audio system 25
F13 Reversing light (s) (06/98), headlight range control unit (xenon lamps) 15
F14 Parking system control unit 5
F15 Rear window cleaner / washer (station wagon) 15
F16 System of maintaining exchange rate stability 5
F17 Door control unit, driver's side (rear) 30
F18 Turn signal repeaters (^ 05/98), trailer electrical connector 25
F19 Instrument cluster, lamp control unit, daytime lighting control unit 10
F20 Air conditioning, heating / ventilation 15
F21 -  
F22 Combination switch (windshield wiper / washer, direction indicators, low / high beam headlights, headlight washers) 10
F23 Cigarette lighter fuse w202, glove box illumination lamp 15
F24 Front / rear right parking lamps, trailer electrical connector (rear left side), instrument cluster, license plate lights, cigarette lighter light, headlight washers 15
F25 Front / rear right parking lamps, trailer electrical connector (rear RH) 7.5
F26 Fog lights, trailer electrical connector (fog lights) 7.5
F27 Steering column adjustment drive 15
F28 Cigarette lighter, bar 10
F29 Air conditioner / heater fan motor 30
F30 Instrument cluster, air conditioning, heating / ventilation 10
F31 Right headlight-low beam 7.5 / 15
F32 Left headlight-low 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 10
F41 Direction indicators, instrument cluster lamps - direction indicators, horns, windshield wiper / washer, rain sensor, heated rear window, cooling fan motor, auxiliary heating / air conditioning system, headlight washers, hazard warning lights 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
2 Windshield washer pump
3 Windshield wiper motor
5 Headlight washer pump
6 ABS pump (TCS / ESP)
No. Appointment A
F1 Low 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 Direction indicators, hazard warning lights, watches 15
F5 Sound signals, heater control unit, air conditioner 20
F6 Direction indicators - left 7.5
F7 Low beam - left headlight 7.5
F8 Heated rear window, interior rear view mirrors 7.5
F9 Cigarette lighter lamp, license plate lamp, instrument cluster 7.5
F10 Spare  
F11 Air conditioning 7.5
F12 Stop lights, instrument cluster, lamp health control unit 10
F13 (fan motor for auxiliary heater 30
F14 Heater blower motor 30
F15 Windshield wiper motor 30
F16 Heated rear window 30
F17 Outlet air pump motor 40
F18 Front marker-left, rear marker-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 clearance - left, rear clearance - left 10
F25 High Beam - Left Headlight, High Beam On Indicator 7.5
F26 SRS indicator, power window control unit, telephone 7.5
F27 Local lighting lamps Interior lighting lamp 7.5
F28 Rear fog lights 7.5
F29 Reversing lights, electric door mirrors, door mirror heaters, windshield washer nozzle heaters, gear selector position sensor 15
F30 Headlight washer / cleaner 10
F31 Spare  
F32 Diagnostic unit 7.5
F33 Interior lamps, trunk lamp, vanity mirror lamps, central locking 15
F34 Headrest adjustment motors, daytime lighting 7.5
F35 Interior lamp - front, anti-theft system, Trailer ECU 7.5
No. Appointment A
F1 Direction indicators 7.5
F2 Horn, heater control unit 15
F3 Brake lights, instrument cluster, lamp health control unit, windshield washer nozzle heaters 15
F4 Low beam - right headlight 7.5
F5 Low beam - left headlight 7.5
F6 High beam - right headlight 7.5
F7 High beam - left headlight, headlight high beam indicator 7.5
F8 Fog lights 10
F9 Heater blower motor 30
F10 Instrument cluster and alarm 15
F11 Heated rear window 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 marker - right, rear marker - right, instrument cluster illumination, license plate illumination 15
F16 Front marker-left, rear marker-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 lamps, 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 - petrol 15
F5 20
F6 15
F7 Exhaust Air Pump - Gasoline 40
1 Electronic engine control unit
2 Electronic control unit ABS / ESP
3 Relay Box - Includes: Overload / Surge Protection Relay, Starter Relay, Exhaust Air Pump Relay - Petrol
4 Starter relay
5 Diagnostic connector (DLC)

In the trunk

Location of the fuse box in the luggage compartment of the car
The fuse block is located in the spare wheel well. It has 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, sound signals 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 w202) 25
F2 Central locking control unit 30
F3 Power window regulator (driver's door) 30
F4 Central locking control unit 40
F5 Power window regulator, driver's side (rear) 30
F6 Interior Lamp - Rear, Tailgate / Trunk Lid Lamp, Power Seat 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

Car body

General location of electronic modules in a Mercedes W202.

No. Units
1 air conditioner control unit
2 Antenna Signal Amplifier - Ceiling Panel (Station Wagon)
3 Anti-theft control unit - right side of luggage compartment
7 Vehicle tilt sensor (anti-theft system)
8 Anti-theft alarm sound - behind the front left wheel arch trim
9 Volume change sensor (anti-theft system), left - B-pillar
10 Volume change sensor (anti-theft system), right - B-pillar
11 Audio Output Amplifier - Luggage Compartment Left
12 Additional heater control unit
13 Battery - spare wheel well
14 Central locking control unit - functions: Heated rear window, interior lamp - rear, anti-theft system, tailgate / tailgate lamp, tailgate / tailgate lock - right side of luggage compartment
15 Diagnostic connector (DLC)
16 Door control unit 
20 Power window control unit / power door mirrors control unit - in the center console switch block
21 Fuse / relay box, luggage compartment (spare wheel well)
22 Fuse / relay box, engine compartment  
24 Headlight range control unit (xenon lamps)
25 Horn - behind the front bumper
26 Ignition switch control unit
29 Multifunction control unit 1 - functions: Central locking, hazard warning lights, heated rear window, direction indicators, windshield wipers, headlight washers, air conditioning system, head restraints (rear), horns
30 Multifunctional control unit 2- functions: Interior lamps, sunroof, vanity mirror lamps
31 Navigation control unit - spare wheel well
32 Ambient temperature sensor
33 Parking aid control unit - right footwell
34 Rain sensor - inside rearview mirror
35 Rear Window Wiper / Washer Relay - Behind Tailgate Lower Trim (Estate)
36 Relay Box - Functions: Overload / Surge Protection Relay, Starter Relay, Exhaust Air Pump Relay (Petrol), Transmission Control System Relay (Diesel)
37 Seat heating control unit, front - in the block of switches
38 Side impact sensor, left - under the front seat
39 Side impact sensor, right - under the front seat
40 SRS electronic unit
41 Height sensor, front - headlight control (xenon bulbs)
42 Height sensor, rear - headlight control (xenon bulbs)
43 Telephone interface control unit - spare wheel well
44 Telephone Interface Control Unit - Luggage Compartment Left (for Mobile Phone)
45 Telephone Interface Control Unit - Luggage Compartment Right Side (for Mobile Phone) (Estate)
46 Electronic Transmission Control Module - Front Right Footwell
48 Voice activation unit - left side of luggage compartment
49 Voice activation unit - right side of the luggage compartment (station wagon)
Related fuse diagrams
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