Vehicle wiring diagrams Mercedes A-Class (W168)

Scheme 1. Engine control unit
Scheme 1. Engine control unit A1 instrument cluster F1 fuse and relay box Fn1 fuse 1 Fn2 fuse 2 Fn3 fuse 3 Fn4 fuse 4 Fn6 fuse 6 Fn18 fuse 18 K1/6 Engine Control Unit...

Scheme 2. Engine control unit
Scheme 2. Engine control unit A16 Knock Sensor B6/1 camshaft position sensor B1 1/4 coolant temperature sensor B40 Engine Oil Pressure Sensor G3/1 lambda probe 2 G3/1xl...

Scheme 3. Fuel system of diesel engine before 31.08.2000
Scheme 3. Fuel system of diesel engine before 31.08.2000 B17 Intake Air Temperature Sensor B28 pressure sensor F1 fuse and relay box Fn1 fuse 1 Fn2 fuse 2 Fn40 fuse 40...

Scheme 4. Fuel system of a diesel engine
Scheme 4. Fuel system of a diesel engine B37 accelerator pedal position sensor F1 fuse and relay box Fn1 fuse 1 Fn3 fuse 3 Fn18 fuse 18 Fn34 fuse 34 Fn37 fuse 37 Fn41...

Scheme 5. Starter, generator
Scheme 5. Starter, generator A1 instrument cluster A1e5 Battery Charging Indicator Light F1 fuse and relay box Fn2 fuse 2 Fn8 fuse 8 Fn18 fuse 18 Fn46 fuse 46 G1 battery...

Scheme 6. Data bus for switching cabin control devices
Scheme 6. Data bus for switching cabin control devices N69/1 Driver's door switch block N69/2 Switch block on the front passenger door N69/3 Switch block on the rear...

Scheme 7. Automatic transmission
Scheme 7. Automatic transmission A1 instrument cluster A1p4 outdoor temperature indicator A1p5 speedometer A1p6 watch A1p12 gearbox control lever position indicator...

Scheme 8. Fuses and relays
Scheme 8. Fuses and relays A1 instrument cluster F1 fuse and relay box Fn1-Fn49 fuses 1-49 G1 battery K1/5 terminal 30 relay K1/6 fuel injection relay for petrol engine...

Scheme 9. Diagnostic connector
Scheme 9. Diagnostic connector A1 instrument cluster A2 radio receiver A2/29 "radio receiver-navigator" block A6 heater unit A61 Automatic transmission control unit F1...

Scheme 10. Window lifters
Scheme 10. Window lifters A1 instrument cluster F1 fuse and relay box Fn13 fuse 13 Fn28 fuse 28 Fn33 fuse 33 Fn42 fuse 42 N2/2 control unit for belt tensioners and...

Scheme 11. Central lock
Scheme 11. Central lock AH instrument panel A1e1 Left turn signal indicator light A1e2 Right turn signal indicator light A1e8 instrument cluster illumination A1h1...

Scheme 12. Outdoor lighting
Scheme 12. Outdoor lighting A1 Instrument cluster A1e1 Left turn signal indicator light A1e2 Right turn signal light A1e3 High beam indicator light A1e8 instrument...

Scheme 13. Interior lighting
Scheme 13. Interior lighting A1 Instrument cluster A1e1 Left turn signal indicator light A1e2 Right turn signal light A1e8 instrument cluster illumination A1e26 Engine...

Scheme 14. Special signals
Scheme 14. Special signals A1 Instrument cluster A2 radio receiver A48/1 Special signal switch block F1 fuse and relay box Fn9 fuse 19 Fn20 fuse 20 Fn21 fuse 21 Fn22...

Scheme 15. Windscreen wiper
Scheme 15. Windscreen wiper A1 Instrument cluster B38 rain sensor B38x1 rain sensor plug F1 fuse and relay box Fn9 fuse 9 Fn10 fuse 10 Fn11 fuse 11 Fn14 fuse 14 Fn37...

Scheme 16. Heater
Scheme 16. Heater A1 Instrument cluster F1 fuse and relay box Fn38 fuse 38 Fn45 fuse 45 M2 cabin air blower M39 Electric motor for the air recirculation flap in the...

Scheme 17. Air conditioner
Scheme 17. Air conditioner A1 instrument cluster A9 air conditioning compressor B10/4 cabin air temperature sensor B10/6 Evaporating Refrigerant Temperature Sensor B12...

Scheme 18. Airbags
Scheme 18. Airbags A1 instrument cluster A1e15 Airbag Warning Light A45 contact spring for sound signal and airbag A45x1 airbag unit plug A53/1 Left side airbag sensor...

Scheme 19. Instrument panel
Scheme 19. Instrument panel A1 instrument cluster A1e1 Left turn signal indicator light A1e2 Right turn signal indicator light A1e3 high beam indicator light A1e4 Fuel...