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 mid-size frame SUV was offered in five or seven-seater variants. It became the first luxury SUV to be fitted with an electronic stability control system. In this material, we will analyze in detail the first generation Mercedes M-class fuse circuits (W163 - ML230, ML320, ML370, ML430, ML500): 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 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 passenger compartment

The location of the fuse box in the passenger compartment
The mounting block is located in the passenger's footwell, behind the trim next to the door. Has several variations depending on the year of manufacture.


Photo is an example.

Diagram
VIN number up to A289564 / X754619
No. Circuit breakers A
F1 Passenger airbag deactivation indicator 7.5
F2 Cigarette lighter fuse Mercedes ml w163 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 block 30
F11 Passenger Seat Adjustment Switch Block 30
F13 Fuel pump / fuel level sensor 20
F16 -  
F17 Heated rear window 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 Heated rear window
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 ( w163 - ML230, ML320, ML370, ML430, ML500) 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 block 35
F11 Passenger Seat Adjustment Switch Block 35
F13 Fuel pump fuse / fuel level sensor 20
F16 -  
F17 Heated rear window 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
3 -
4 Heated rear window
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 block is on the right side and is marked in the picture above with a red dot.


Photo is an example.

Fuse diagram of the engine block Mercedes 163
Models up to 09.2001
No. Description A
F1 Front accessory connector 15
F2 Left turn indicators 7.5
F3 Right headlight-high beam 15
F4 Sunroof 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 lights, switch lights 7.5
F10 Audio system, vanity mirror lamps, trip computer, glove compartment lamp, cigarette lighter fuse w163 - ML230, ML320, ML370, ML430, ML500, SRS indicator, interior rearview mirror 10
F11 Engine management system (petrol) 10
F12 Front Left / Rear Left Lamps 7.5
F13 Interior lamps, trip computer, seat belt not fastened indicator, steering wheel position sensor, diagnostic socket 10
F14 Engine management system (Diesel) 10
F15 Stop lights 10
F16 Diagnostic connector, reversing light switch, air conditioning control unit, air intake flap motor 15
F17 Accessory power connector, 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, cruise control, steering wheel position sensor 15
F23 -  
F24 Right front / rear right side lamps 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 Multifunctional switch - electric window regulator 30
F30 30
F31 Power sunroof switch, power door mirrors, power rear power windows 15
F32 Power front right seat 30
F33 Power front left seat 30
F34 LH headlight-low beam, headlight range control 7.5
F35 Right headlight - low beam 7.5
F36 Heated rear window 25
F37 Horn 20
F38 Fuel module (fuel pump) / 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 20
F43 Heater Blower Motor Relay, Heater / Air Conditioning Blower Motor Relay (Rear) 30
F44 Air conditioner condenser fan motors 30
F45 Exhaust gas recirculation (EGR) vacuum pump motor 40
F46 Rear PTF 7.5
F47 Front fog lights 15
F48 Anti-theft system horn 20
No. Relay
1 heated rear window
2 cooling fan
3 Fuel boost pump relay (except ML270CDI)
4 left turn signal
5 license plate lamps, instrument cluster
6 stop lights deactivation (ESP)
7 Right direction indicators
8 Starter
9 Right front / rear parking lights
10 -  
11 Main Ignition Circuits (ML270CDI)
12 Main ignition circuits
13 left front / rear parking lights
14 Power windows
15 Central locking - unlocking the rear door
16 Passenger power window drive
17 Intermittent operation of the windshield wiper
18 Driver's power window drive
19 Coolant pump
20 Central locking - door locking
21 Heater fan, fuse / relay box cooling fan
22 dipped headlights
23 Central locking relay - unlock passenger door and rear side doors
24 Central locking relay - driver's door unlocking
25 ABS pump
26 Air conditioner condenser fan
27 -  
28 Exhaust air pump
29 Rear PTF
30 PTF
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 lights, switch lights 7.5
F10 Audio system, vanity mirror lamps, trip computer, glove compartment lamp, cigarette lighter w163 - ML230, ML320, ML370, ML430, ML500, SRS indicator, interior rearview mirror 10
F11 Engine management system (petrol) 15
F12 Front Left / Rear Left Lamps 7.5
F13 Interior lamps, trip computer, seat belt not fastened indicator, steering wheel position sensor, diagnostic socket 10
F14 Engine management system (Diesel) 25
F15 Stop lights 10
F16 Diagnostic connector, reversing light switch, air conditioning control unit, air intake flap motor 15
F17 Accessory power connector, luggage compartment 20
F18 Trailer electrical connector 25
F19 Engine management system (petrol) 15
F20 -  
F21 Audio system, telephone 15
F22 Automatic transmission control system, transfer case control unit, traction control system, cruise control system, steering wheel position sensor, trip computer, rain sensor 15
F23 Headlight range control unit 15
F24 Right front / rear right side lamps 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 20
F38 Fuel module (fuel pump) / fuel level sensor 20
F39 -  
F40 Audio system 25
F41 -  
F42 central locking 20
F43 Air conditioning / heater fan control unit, rear 20
F44 Rear window washer pump, A / C condenser blower 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.
5 License Plate Lights, Instrument Cluster
6 Brake Light Off Relay (ESP)
7 Right turn signal
8 Starter
9 Right front / rear side lamps
10 -  
11 Main ignition circuits (Diesel)
12 Main ignition circuits
13 Left front / rear side lamps
14 Power windows
15 Central locking - unlocking the rear door
16 -  
17 Relay for intermittent operation of the windshield wiper
18/19 -  
20 Central locking - door locking
21/22 -  
23 Central locking - unlocking the 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 PTF
31 Horn (with anti-theft system)
General arrangement of electronic components
No. Module
1 Air conditioning control unit - behind the audio system unit (^ 08/01)
2 Air conditioning / heater electronic control unit - in the air conditioning / heater control panel (09/01 ^)
3 Heater / A / C blower motor resistor - near blower motor
4 Sunlight sensor (air conditioning system)
5 Antenna unit - rear door
6 Anti-theft control unit (integrated with the multifunction control unit)
7 Vehicle tilt sensor (anti-theft system) (combined with trip computer)
8 Anti-theft alarm horn - engine compartment
9 Volume change sensor (anti-theft system) (combined with trip computer)
10 Audio output amplifier (if equipped) - behind the left side of the dashboard
11 Accumulator battery
12 Vacuum pump for brake booster - left side of engine compartment
13 Brake servo vacuum pump control unit - engine compartment left
14 Compass control unit (navigation system) - under the trim panel, near the tailgate latch
15 Diagnostic connector (DLC)
16 Fuse / relay box, engine compartment
17 Fuse / relay box, footwell
18 Headlamp control unit, left (models with xenon headlights)
19 Headlamp control unit, right (models with xenon headlights)
20 Horns - behind the front bumper
21 Immobilizer control unit - attached to multifunction control unit 2 (12/99 ^)
22 Immobilizer ring antenna - in the ignition lock
23 Turn signal / alarm relay - in multifunction control unit 1
24 Sunlight Sensor - Windshield Center Top
25 Multifunction control unit 1 - Attached to engine compartment fuse / relay box - Functions: Interior lamps 1, exterior lamps, horns, windshield wipers, air conditioning pressure monitoring, central locking, power windows, direction indicators, anti-theft system , sunroof, seat heaters, immobilizer (^ 11/99)
26 Multifunctional control unit 2- functions: central locking, headlight washers, rear window defogger, seat heaters, air conditioning condenser blower motor, interior lamps
27 Navigation control unit (integrated with audio system) - (if equipped)
28 Ambient temperature sensor
29 Parking system control unit - behind switch panel
30 Rain Sensor - Windshield Upper Center
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 Electric seat control unit (with memory), front right - under the seat
35 Side impact sensor, left-bottom of the B-pillar (09/01 ^)
36 Side impact sensor, right - lower part of the B-pillar (09/01 ^)
37 SRS electronic control unit
38 Telephone interface control unit - under the front seat
39 Transfer case control unit
40 Transfer case mode selection motor - on transfer case
41 Electronic gearbox control unit
42 Gear shift control unit - automatic transmission selector
43 Trip computer
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