Fuses and relays Mercedes-Benz M-Class (W163, 1997 - 2005)

The first generation Mercedes Benz ML-Class (W163) was produced from 1997 to 2005. This midsize frame SUV was offered in five-seat or seven-seat variants. It was the first luxury SUV to feature an electronic stability control system. In this article we will understand in detail fuse box diagrams Mercedes W163 (1st Gen; M-Class: ML230, ML320, ML370, ML430, ML500): 1997, 1998, 1999, 2000, 2000, 2001, 2002, 2003, 2004, 2005 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 passenger compartment

The location of the fuse box in the passenger compartment
The mounting block is located in the passenger footwell, behind the trim near the door. It has several variations depending on the year of manufacture.


PGeneral view of the Mercedes-Benz M-Class W163 interior fuse box.

Diagram
VIN number to A289564 / X754619
No. Circuit breakers A
F1 Passenger airbag deactivation indicator 7.5
F2 Mercedes ml w163 cigarette lighter fuse 20
F3 Rear window wiper motor 15
F4 -  
F5 Instrument cluster, air conditioning system 7.5
F6 Accessory power connector 20
F7 -  
F8 Heated front seats 20
F9 -  
F10 Driver's seat adjustment switch unit 30
F11 Passenger Seat Adjustment Switch unit 30
F13 Fuel pump fuse / fuel level sensor 20
F16 -  
F17 Rear window heating 25
F18 -  
F19 Headlight washer pump 30
F20-25    
F26 Relay for main ignition circuits 70
No. Relay
1 Electric seat
2 Fuel pump relay
3    
4 Rear window heating
5 Headlight washer pump
6-8    
9 Main ignition circuits
VIN number after A289565 / X754620
No. Circuit breakers A
F1 Passenger airbag deactivation indicator 7.5
F2 Front cigarette lighter fuse 20
F3 Rear window wiper motor 15
F4 Air conditioner / heater blower motor, front 40
F5 Instrument cluster, air conditioning system 7.5
F6 Accessory power connector 20
F7-9 -  
F10 Driver's seat adjustment switch unit 35
F11 Passenger Seat Adjustment Switch unit 35
F13 Mercedes W163 fuel pump fuse / fuel level sensor 20
F16 -  
F17 Rear window heating 25
F18 -  
F19 Headlight washer pump 30
F20 Right headlight-high beam 7.5
F21 High beam - left headlight, high beam indicator 7.5
F22 -  
F23 -  
F24 Rear power windows 25
F25 Power windows, front 25
No. Relay
1 electric seat
2 Fuel pump relay
3 -
4 Rear window heating
5 Headlight washer pump
6 Headlights - high beam
7 -
8 Main ignition circuits  
9  

In the engine compartment

The location of the fuse box in the engine compartment of the car
The fuse box is located on the left side of the engine compartment.


Photo is an example.

Diagram
Models up to 09.2001
No. Description A
F1 Front auxiliary equipment connection socket 15
F2 Left turn indicators 7.5
F3 Right headlight - high beam 15
F4 Hatch drive motor 30
F5 High Beam - Left Headlight, High Beam On Indicator 7.5
F6 Rear window wiper motor 7.5
F7 Windshield wiper / washer, alarm switch 15
F8 Transfer case control unit 25
F9 License plate illumination lamps, illuminated switches 7.5
F10 Audio system, cosmetic mirror illumination lamps, trip computer, duffel box illumination lamp, cigarette lighter fuse mercedes w163 - ML230, ML320, ML370, ML430, ML500, SRS indicator light,inside rearview mirror 10
F11 Engine management system (gasoline) 10
F12 Front left parking ligh t/ rear left parking light bulbs 7.5
F13 Interior lamps, trip computer, unbuckled seat belt indicator, steering wheel position sensor, diagnostic connector 10
F14 Engine management system (Diesel) 10
F15 Stop lamps 10
F16 Diagnostic connector, reversing light switch, air conditioner control unit, air intake switch damper motor 15
F17 Accessory power connector in the luggage compartment 15
F18 Trailer electrical connector 25
F19 Engine management system (petrol) 15
F20 Power mirrors 15
F21 Audio system 25
F22 Automatic transmission, transfer case control unit, traction control system, cruise control, steering wheel position sensor 15
F23 -  
F24 Front right parking light / rear right parking light bulbs 7.5
F25 Right direction indicators 7.5
F26 Engine management system (petrol) 15
F27 Traction Control System (TCS) 40
F28 Heated seats 20
F29 Multifunction switch - power windows switch 30
F30 30
F31 Power sunroof switch, power door mirrors, rear power windows 15
F32 Front right power seat 30
F33 Front left power seat 30
F34 Left headlight - dipped beam, headlight corrector 7.5
F35 Right headlight - dipped beam 7.5
F36 Rear window heater 25
F37 Horn (beep) 20
F38 Fuel module (fuel pump fuse) / fuel level sensor 20
F39 -  
F40 Brake Booster Vacuum Pump (ML270CDI) 25
F41 Coolant pump motor, fuse box / relay cooling fan motor 25
F42 central locking system 20
F43 Heater Blower Motor Relay, Heater / Air Conditioning Blower Motor Relay (Rear) 30
F44 Air conditioner condenser fan motors 30
F45 Electric motor of the exhaust gas recirculation (EGR) vacuum pump 40
F46 Rear Fog lamps 7.5
F47 Front fog lights 15
F48 Anti-theft system horn 20
No. Relay
1 Rear window heater
2 cooling fan
3 Fuel boost pump relay (except ML270CDI)
4 left turn signal lamp
5 license plate illumination lamps, instrument cluster
6 stop lights deactivation (ESP)
7 right turn signal lamp
8 Starter
9 Right front and rear parking lights
10 -  
11 Main Ignition Circuits (ML270CDI)
12 Main ignition circuits
13 Left front and rear parking lights
14 Power windows
15 Central locking - unlocking the rear door
16 Passenger window elevator actuator
17 Intermittent operation of the windshield wiper
18 Driver's window elevator actuator
19 Coolant pump
20 Central locking system - door locking
21 Heater fan, fuse / relay box cooling fan
22 Dipped headlights
23 Central lock relay - unlocking passenger door and rear side doors
24 Central lock relay - driver's door release
25 ABS pump
26 Air conditioner condenser fan
27 -  
28 Exhaust air pump
29 Rear Fog lamps
30 Fog lamps
31 Horn (with anti-theft system)
Models from 09.2001
No. Appointment A
F1 -  
F2 Left turn indicators 7.5
F3 -  
F4 Sunroof drive motor 20
F5 -  
F6 Heated seats 20
F7 Windshield wiper / washer, alarm switch 30
F8 Transfer case control unit 25
F9 License plate illumination lamps, illuminated switches 7.5
F10 Audio system, cosmetic mirror illumination lamps, trip computer, duffel box illumination lamp, cigarette lighter fuse, SRS system indicator light, inside rearview mirror 10
F11 Engine management system (gasoline) 15
F12 Front left parking light / rear left parking light bulbs 7.5
F13 Interior lamps, trip computer, unbuckled seat belt indicator, steering wheel position sensor, diagnostic connector 10
F14 Engine management system (Diesel) 25
F15 Stop lamps 10
F16 Diagnostic connector, reversing light switch, air conditioner control unit, air intake switch damper motor 15
F17 Accessory power connector in the luggage compartment 20
F18 Trailer electrical connector 25
F19 Engine management system (gasoline) 15
F20 -  
F21 Audio system, telephone 15
F22 Automatic transmission control system, transfer case control unit traction control system, speed maintaining system, steering wheel position sensor, trip computer, rain sensor 15
F23 Headlight correction control unit 15
F24 Front right parking light / rear right parking light bulbs 7.5
F25 Right direction indicators 7.5
F26 Engine management system (petrol) 15
F27 Traction Control System (TCS) 40
F28 -  
F29 -  
F30 -  
F31 Power sunroof switch, power door mirrors, power rear windows, mirror lamps 15
F32
-
F35
-  
F36 Heated door mirrors 10
F37 Horn (bepp) 20
F38 Fuel module (fuel pump fuse) / fuel level sensor 20
F39 -  
F40 Audio system 25
F41 -  
F42 central locking system 20
F43 Air conditioning / heater fan control unit, rear 20
F44 Rear window washer pump, air conditioner condenser fan motor relay (except ML320 / ML350) 15
F45 Exhaust gas recirculation (EGR) vacuum pump motor 40
F47 Front fog lights 15
F48 Anti-theft alarm sound 20
No. Relay
1 Heated rear-view mirrors
2 Cooling fan
3 Booster fuel pump (ML400 CDI)
4 Left turn signal lamp
5 License plate illumination lamps, instrument cluster
6 Brake Light Off Relay (ESP)
7 Right turn signal lamp
8 Starter
9 Right front and rear parking lights
10 -  
11 Main ignition circuits (Diesel)
12 Main ignition circuits
13 Left front and rear parking lights
14 Power windows
15 Central locking - unlocking the rear door
16 -  
17 Windshield wiper intermittent operation relay
18/19 -  
20 Central locking - door locks
21/22 -  
23 Central locking - unlocking passenger door and rear side doors
24 Central locking - unlocking the driver's door
25 -  
26 Air conditioner condenser fan
27 Rear window washer pump
28 Exhaust air pump
29 Rear fog lights
30 Fog lamps
31 Horn (with anti-theft system)

All electrical equipment


General arrangement of electronic components in the vehicle.
1. Air conditioner control unit - behind the audio system unit (^08/01);
2. Air conditioner/heater electronic control unit-in the air conditioner/heater control panel (09/01^);
3. Heater/air conditioner fan motor resistor- near the fan motor.;
4. Sunlight sensor (air conditioning system);
5. Antenna unit- rear door;
6. Anti-theft system control unit (integrated with the multifunction control unit);
7. Vehicle tilt sensor (anti-theft system) (combined with trip computer);
8. Anti-theft alarm system buzzer - engine compartment;
9. Volume change sensor (anti-theft system) (integrated with trip computer);
10. Audio output amplifier (if equipped) - behind the left side of the instrument panel;
11. Battery;
12. Brake booster vacuum pump - left side of the engine compartment;
13. Brake booster vacuum pump control unit-left side of engine compartment;
14. Compass control unit (navigation system) - under the trim panel, near the tailgate latch;
15. Diagnostic connector (DLC);
16. Fuse box/relay box, engine compartment;
17. Fuse box/relay, footwell;
18. Headlamp control unit, left (models with xenon headlamps);
19. Headlamp control unit, right (models with xenon headlamps);
20. Sound signals - behind the front bumper;
21. Immobilizer control unit-attached to multifunction control unit 2 (12/99^);
22. Immobilizer ring antenna-in the ignition switch;
23. Turn signal/emergency signaling relay- in multifunction control unit 1;
24. Sunlight sensor - upper center section of the windshield;
25. Multifunction control box 1 - attached to the fuse/relay box in the engine compartment - functions: 1 interior lamps, exterior lamps, horns, windshield wipers, air conditioning pressure control, central locking, power windows, turn indicators, anti-theft system, sunroof, seat warmers, immobilizer (^11/99);
26. Multifunction control unit 2- functions: Central locking, headlight washers, rear window heater, seat heaters, air conditioner condenser fan motor, interior lamps;
27. Navigation system control unit (integrated with audio system) - (if fitted);
28. Ambient air temperature sensor;
29. Parking system control unit - behind the switch panel;
30. Rain sensor - upper center of the windshield;
31. Additional fuse 1 - near the battery;
32. Additional fuse 2 (FL7.5/10A), engine management - in the fuse box - Diesel;
33. Electric seat control unit (with memory), front left - under the seat;
34. Power seat control unit (with memory), front right - under the seat;
35. Side impact sensor, left-lower center pillar (09/01^);
36. Side impact sensor, right - lower part of center pillar (09/01^);
37. SRS electronic control unit;
38. Phone interface control unit - under the front seat;
39. Transfer case control unit;
40. Electric motor for selecting transfer case mode - on the transfer case;
41. Electronic transmission control unit;
42. Gearshift control unit - automatic transmission selector lever;
43. Trip computer.

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