Problems, error codes, diagnoses and manuals for
MERCEDES-BENZ C-CLASS (W204) C 200 Kompressor (204.041)

• fault code 220F77 – check engine lamp (1 answer)
• fault code code xennon – We removed headlamp and now needs re coding - i have been advised Mercedes uses SCN coding. Can au Autoaid re-code hedlmaps or is this a mercedes star only task (1 answer)
• fault code 0426 – EML (1 answer)
• fault code 809012 – Restraint System Malfunction Warning light is now (1 answer)
• fault code 5170 – ESP shows on start (1 answer)

• Component inspection procedures (15)
  1. Brake system: ABS control unit - Engine code: M 271.950
  2. Chassis: adjust castor - Engine code: M 271.950
  3. Chassis: adjust front camber - Engine code: M 271.950
  4. Chassis: adjust front foe - Engine code: M 271.950
  5. Chassis: adjust rear camber - Engine code: M 271.950
  6. Chassis: adjust rear toe - Engine code: M 271.950
  7. Airbag: after an accident - Engine code: M 271.950
  8. Airbag: airbag control unit - Engine code: M 271.950
  9. Bus system: CAN-bus - Engine code: M 271.950
  10. Fuel preparation: catalytic converter - Engine code: M 271.950
  11. Air conditioning: check refrigerant condition - Engine code: M 271.950
  12. Air conditioning: check refrigerant pressure - Engine code: M 271.950
  13. Anti-theft alarm system: Read out last source of alarm - Engine code: M 271.950
  14. Brake system: speed sensor - Engine code: M 271.950
  15. Brake system: transversal acceleration sensor - Engine code: M 271.950
• Component location plans (23)
  1. Brake system: ABS control unit - Engine code: M 271.950
  2. Airbag: airbag - Engine code: M 271.950
  3. Airbag: airbag control unit - Engine code: M 271.950
  4. Transmission control: automatic transmission control unit - Engine code: M 271.950
  5. Bus system: CAN-Bus distributor - Engine code: M 271.950
  6. Central electrics: central electronics - Engine code: M 271.950
  7. Lighting: control unit automatic headlight adjustment - Engine code: M 271.950
  8. Airbag: crash sensor - Engine code: M 271.950
  9. Fuel preparation: engine bay overview - Engine code: M 271.950
  10. Electrical system: fuse box at trun right as of MY.2009 - Engine code: M 271.950
  11. Electrical system: fuse box in engine bay left as of MY.2009 - Engine code: M 271.950
  12. Electrical system: fuse box in engine bay left up to MY.2008 - Engine code: M 271.950
  13. Electrical system: fuse box in trunk bay right up to MY.2008 - Engine code: M 271.950
  14. Air conditioning: heater fan output stage - Engine code: M 271.950
  15. Diagnostic connector: location of diagnose socket - Engine code: M 271.950
  16. Electrical system: location of fuses and relay box - Engine code: M 271.950
  17. Identification: paint number - Engine code: M 271.950
  18. Electrical system: position of ground connections - Engine code: M 271.950
  19. Parking aid: reverse warning system control unit - Engine code: M 271.950
  20. Brake system: sensors - Engine code: M 271.950
  21. Air conditioning: service connection - Engine code: M 271.950
  22. Tire pressure control system: tyre pressure control - Engine code: M 271.950
  23. Identification: vehicle identification number - Engine code: M 271.950
• Data lists (18)
  1. Brake system: ABS control unit - Engine code: M 271.950
  2. Chassis: adjustment data for wheel alignment - Engine code: M 271.950
  3. Airbag: airbag - Engine code: M 271.950
  4. Lighting: bulbs - Engine code: M 271.950
  5. Air conditioning: operating fluids - Engine code: M 271.950
  6. Brake system: operating fluids - Engine code: M 271.950
  7. Engine: operating fluids - Engine code: M 271.950
  8. Steering system: operating fluids - Engine code: M 271.950
  9. Inspection: replacement intervals - Engine code: M 271.950
  10. Air conditioning: test values - Engine code: M 271.950
  11. Airbag: test values - Engine code: M 271.950
  12. Electrical system: test values - Engine code: M 271.950
  13. Tire pressure control system: test values - Engine code: M 271.950
  14. Airbag: tightening torques - Engine code: M 271.950
  15. Brake system: tightening torques - Engine code: M 271.950
  16. Chassis: tightening torques - Engine code: M 271.950
  17. Steering system: tightening torques - Engine code: M 271.950
  18. Chassis: wheels - Engine code: M 271.950
• Descriptions (25)
  1. Fuel preparation: air mass sensor - Engine code: M 271.950
  2. Chassis: camber - Engine code: M 271.950
  3. Chassis: caster - Engine code: M 271.950
  4. Fuel preparation: coolant temperature sensor - Engine code: M 271.950
  5. Fuel preparation: crankshaft speed sensor - Engine code: M 271.950
  6. Fuel preparation: double spark ignition coil - Engine code: M 271.950
  7. Fuel preparation: exhaust gas regulation - Engine code: M 271.950
  8. Fuel preparation: fuel injector - Engine code: M 271.950
  9. Fuel preparation: high-pressure pump - Engine code: M 271.950
  10. Fuel preparation: injector - Engine code: M 271.950
  11. Fuel preparation: intake air temperature sensor - Engine code: M 271.950
  12. Fuel preparation: intake manifold pressure sensor / charge pressure sensor - Engine code: M 271.950
  13. Fuel preparation: O2 sensor - Engine code: M 271.950
  14. Electrical system: plug connector allocation for alternator - Engine code: M 271.950
  15. Fuel preparation: rail pressure control valve - Engine code: M 271.950
  16. Fuel preparation: rail pressure sensor - Engine code: M 271.950
  17. Air conditioning: refrigerant cycle - Engine code: M 271.950
  18. Fuel preparation: secondary air system - Engine code: M 271.950
  19. Brake system: speedsensor activ - Engine code: M 271.950
  20. Chassis: splay - Engine code: M 271.950
  21. Chassis: thrust angle - Engine code: M 271.950
  22. Chassis: toe - Engine code: M 271.950
  23. Chassis: tyre - Engine code: M 271.950
  24. Tire pressure control system: tyre pressure control - Engine code: M 271.950
  25. Fuel preparation: wastegate turbo - Engine code: M 271.950
• Installation and replacement guides (5)
  1. Electrical system: battery removing and installatio - Engine code: M 271.950
  2. Airbag: driver airbag - Engine code: M 271.950
  3. Air conditioning: interior air filter remove and install - Engine code: M 271.950
  4. Central locking: remove battery radio remote control - Engine code: M 271.950
  5. Body interior: remove front doortrim - Engine code: M 271.950
• Wiring diagrams (56)
  1. Bus system: CAN-Bus as of 06.2010 - Engine code: M 271.950
  2. Bus system: CAN-bus up to 05.2010 - Engine code: M 271.950
  3. Brake system: plug connection ABS - Engine code: M 271.950
  4. Airbag: plug connection airbag - Engine code: M 271.950
  5. Instument cluster: plug connection instrument cluster - Engine code: M 271.950
  6. Parking aid: plug connection parking aid - Engine code: M 271.950
  7. Trailer hitch: plug connector allocation for trailer hitch 13 pin - Engine code: M 271.950
  8. Trailer hitch: plug connector allocation for trailer hitch 7 pin - Engine code: M 271.950
  9. Fuel preparation: wiring diagram - Engine code: M 271.950
  10. Transmission control: wiring diagram 5-gear automatic transmission - Engine code: M 271.950
  11. Transmission control: wiring diagram 7-gear automatic transmission - Engine code: M 271.950
  12. Brake system: wiring diagram ABS as of 03.2011 - Engine code: M 271.950
  13. Brake system: wiring diagram ABS up to 02.2011 - Engine code: M 271.950
  14. Air conditioning: wiring diagram air conditioning as of 06.2010 - Engine code: M 271.950
  15. Air conditioning: wiring diagram air conditioning up to 05.2010 - Engine code: M 271.950
  16. Airbag: wiring diagram Airbag - Engine code: M 271.950
  17. Anti-theft alarm system: wiring diagram anti-theft alarm system - Engine code: M 271.950
  18. Air conditioning: wiring diagram auto air conditioning as of 06.2010 - Engine code: M 271.950
  19. Air conditioning: wiring diagram auto air conditioning up to 05.2010 - Engine code: M 271.950
  20. Lighting: wiring diagram brake light switch - Engine code: M 271.950
  21. Power window lifter: wiring diagram control unit front right as of 04.2010 - Engine code: M 271.950
  22. Engine: wiring diagram cooling fan - Engine code: M 271.950
  23. Diagnostic connector: wiring diagram diagnose socket as of 06.2009 - Engine code: M 271.950
  24. Diagnostic connector: wiring diagram diagnose socket up to 05.2009 - Engine code: M 271.950
  25. Power window lifter: wiring diagram door control unit front left - Engine code: M 271.950
  26. Power window lifter: wiring diagram door control unit front right up to 03.2010 - Engine code: M 271.950
  27. Power window lifter: wiring diagram door control unit rear left - Engine code: M 271.950
  28. Power window lifter: wiring diagram door control unit rear right as of 04.2010 - Engine code: M 271.950
  29. Power window lifter: wiring diagram door control unit rear right up to 03.2010 - Engine code: M 271.950
  30. Lighting: wiring diagram driving light 12.2009 up to 02.2011 - Engine code: M 271.950
  31. Lighting: wiring diagram driving light up to 11.2009 - Engine code: M 271.950
  32. Lighting: wiring diagram driving light with xenon headlamp 12.2009 up to 02.2011 - Engine code: M 271.950
  33. Lighting: wiring diagram driving light with xenon headlamp as of 03.2011 - Engine code: M 271.950
  34. Lighting: wiring diagram driving light with xenon headlamp up to 11.2009 - Engine code: M 271.950
  35. Lighting: wiring diagram fog lamp as of 12.2009 - Engine code: M 271.950
  36. Lighting: wiring diagram fog lamp up to 11.2009 - Engine code: M 271.950
  37. Electrical system: wiring diagram horn - Engine code: M 271.950
  38. Lighting: wiring diagram indicatior light as of 03.2011 - Engine code: M 271.950
  39. Lighting: wiring diagram indicatior light up to 02.2011 - Engine code: M 271.950
  40. Lighting: wiring diagram indicatior light with xenon headlamp up to 02.2011 - Engine code: M 271.950
  41. Instument cluster: wiring diagram instrument cluster - Engine code: M 271.950
  42. Chassis: wiring diagram level control system as of 06.2009 - Engine code: M 271.950
  43. Chassis: wiring diagram level control system up to 05.2009 - Engine code: M 271.950
  44. Parking aid: wiring diagram parking aid - Engine code: M 271.950
  45. Steering system: wiring diagram power steering electro hydraulic - Engine code: M 271.950
  46. Steering system: wiring diagram power steering electro mechanic - Engine code: M 271.950
  47. Lighting: wiring diagram reverse gear light - Engine code: M 271.950
  48. Lighting: wiring diagram running lights as of 03.2011 - Engine code: M 271.950
  49. Power window lifter: wiring diagram sliding roof - Engine code: M 271.950
  50. Electrical system: wiring diagram start/load - Engine code: M 271.950
  51. Steering system: wiring diagram steering column module - Engine code: M 271.950
  52. Tire pressure control system: wiring diagram tire pressure monitoring as of 12.2009 - Engine code: M 271.950
  53. Tire pressure control system: wiring diagram tire pressure monitoring up to 11.2009 - Engine code: M 271.950
  54. Trailer hitch: wiring diagram trailer hitch as of 06.2009 - Engine code: M 271.950
  55. Trailer hitch: wiring diagram trailer hitch up to 05.2009 - Engine code: M 271.950
  56. Windschield washer: wiring diagram windscreen wiper - Engine code: M 271.950
• Tips and tricks (6)
  1. Fault code quick search: convert fault code - Engine code: M 271.950
  2. Electrical system: diverse disfunctions - Engine code: M 271.950
  3. Parking aid: fault code display parking aid - Engine code: M 271.950
  4. Electrical system: fault code undervoltage - Engine code: M 271.950
  5. Airbag: Seat belt does not roll up properly. - Engine code: M 271.950
  6. Stop and go system: Start-Stop system without function - Engine code: M 271.950
• Reset instructions (6)
  1. Inspection: read out complete service quantity with 12-button steering wheel - Engine code: M 271.950
  2. Inspection: read out complete service quantity with 4-button steering wheel - Engine code: M 271.950
  3. Inspection: read out workshop code with 12-button steering wheel - Engine code: M 271.950
  4. Inspection: read out workshop code with 4-button steering wheel - Engine code: M 271.950
  5. Inspection: service reset with 12-button steering wheel - Engine code: M 271.950
  6. Inspection: service reset with 4-button steering wheel - Engine code: M 271.950
• Safety instructions (2)
  1. Air conditioning: safety instructions - Engine code: M 271.950
  2. Airbag: safety instructions - Engine code: M 271.950

• OBD Code P2540, Hex Code 2540, Decimal Code 9536 ( 3 times read)
  • ECU Diagnostic System (EOBD/OBDII) (11 times read)
  • ECU Engine Control Module (ECM) (3 times read)
  • ECU System-Diagnostics (1 times read)
• OBD Code , Hex Code 910B15, Decimal Code 9505557 ( 4 times read)
  • ECU Air Condition (4 times read)
• OBD Code C1544, Hex Code 5544, Decimal Code 21828 ( 2 times read)
  • ECU ABS/ASR/ESP (2 times read)
• OBD Code C2265, Hex Code 6265, Decimal Code 25189 ( 2 times read)
  • ECU ABS/ASR/ESP (2 times read)
• OBD Code P0100, Hex Code 0100, Decimal Code 256 ( 1 times read)
• OBD Code C3247, Hex Code 7247, Decimal Code 29255 ( 1 times read)
  • ECU ABS/ASR/ESP (1 times read)
• OBD Code P2287, Hex Code 2287, Decimal Code 8839 ( 1 times read)
• OBD Code B1649, Hex Code 9649, Decimal Code 38473 ( 1 times read)
• OBD Code P2541, Hex Code 2541, Decimal Code 9537 ( 1 times read)
  • ECU Fuel Pump (1 times read)
  • ECU Diagnostic System (EOBD/OBDII) (1 times read)
  • ECU Engine Control Module (ECM) (1 times read)
• • ECU Supplemental Restraint System (SRS) (1 times read)
• • ECU Fuel Pump (1 times read)
• • ECU ABS/ASR/ESP (1 times read)
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MERCEDES-BENZ C-CLASS (W204) C 200 Kompressor (204.041)