Problems, error codes, diagnoses and manuals for
MERCEDES-BENZ C-CLASS T-Model (S204) C 250 CDI (204.203)

• 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 (46)
  1. Brake system: ABS control unit
  2. Fuel preparation: accelerator pedal sensor
  3. Fuel preparation: actuator motor turbo charger
  4. Chassis: adjust castor
  5. Chassis: adjust front camber
  6. Chassis: adjust front foe
  7. Chassis: adjust rear camber
  8. Chassis: adjust rear toe
  9. Airbag: after an accident
  10. Fuel preparation: air mass sensor
  11. Airbag: airbag control unit
  12. Fuel preparation: boost pressure sensor
  13. Fuel preparation: boost pressure temperature sensor
  14. Fuel preparation: camshaft sensor
  15. Bus system: CAN-bus
  16. Air conditioning: check refrigerant condition
  17. Air conditioning: check refrigerant pressure
  18. Fuel preparation: coolant temperature sensor
  19. Fuel preparation: crankshaft speed sensor with Start-Stop
  20. Fuel preparation: crankshaft speed sensor without Start-Stop
  21. Fuel preparation: electric coolant thermostat
  22. Fuel preparation: engine control unit with Start-Stop system
  23. Fuel preparation: engine control unit without Start-Stop system
  24. Fuel preparation: engine oil temperature sensor
  25. Fuel preparation: exhaust gas pressure sensor
  26. Fuel preparation: exhaust gas regulation valve (EGR Valve)
  27. Fuel preparation: exhaust gas temperature sensor
  28. Fuel preparation: exhaust recirculation cooling
  29. Fuel preparation: fuel regulation valve
  30. Fuel preparation: fuel temperature sensor
  31. Fuel preparation: heater crankcase ventilation
  32. Fuel preparation: injector
  33. Fuel preparation: knock sensor
  34. Fuel preparation: MAP Sensor
  35. Fuel preparation: O2 sensor
  36. Fuel preparation: particle filter-pressure sensor
  37. Fuel preparation: rail pressure control valve
  38. Fuel preparation: rail pressure sensor
  39. Anti-theft alarm system: Read out last source of alarm
  40. Fuel preparation: solenoid valve boost pressure control
  41. Fuel preparation: solenoid valve charging pressure control valve
  42. Fuel preparation: solenoid valve engine mounting
  43. Brake system: speed sensor
  44. Fuel preparation: throttle valve unit
  45. Brake system: transversal acceleration sensor
  46. Fuel preparation: variable intake manifold
• Component location plans (43)
  1. Brake system: ABS control unit
  2. Fuel preparation: actuator motor turbo charger
  3. Fuel preparation: air mass sensor
  4. Airbag: airbag
  5. Airbag: airbag control unit
  6. Transmission control: automatic transmission control unit
  7. Fuel preparation: boost pressure sensor
  8. Fuel preparation: boost pressure temperature sensor
  9. Fuel preparation: camshaft sensor
  10. Bus system: CAN-Bus distributor
  11. Central electrics: central electronics
  12. Lighting: control unit automatic headlight adjustment
  13. Fuel preparation: crankshaft speed sensor
  14. Airbag: crash sensor
  15. Fuel preparation: electric coolant thermostat
  16. Fuel preparation: engine bay overview
  17. Fuel preparation: engine control unit
  18. Fuel preparation: exhaust gas pressure sensor
  19. Fuel preparation: exhaust recirculation cooling
  20. Fuel preparation: fuel regulation valve
  21. Fuel preparation: fuel temperature sensor
  22. Electrical system: fuse box at trun right as of MY.2009
  23. Electrical system: fuse box in engine bay left as of MY.2009
  24. Electrical system: fuse box in engine bay left up to MY.2008
  25. Electrical system: fuse box in trunk bay right up to MY.2008
  26. Fuel preparation: glow plug system
  27. Air conditioning: heater fan output stage
  28. Fuel preparation: injector
  29. Diagnostic connector: location of diagnose socket
  30. Electrical system: location of fuses and relay box
  31. Fuel preparation: MAP Sensor
  32. Fuel preparation: oil level sensor
  33. Identification: paint number
  34. Electrical system: position of ground connections
  35. Fuel preparation: rail pressure control valve
  36. Fuel preparation: rail pressure sensor
  37. Parking aid: reverse warning system control unit
  38. Brake system: sensors
  39. Air conditioning: service connection
  40. Fuel preparation: throttle valve unit
  41. Tire pressure control system: tyre pressure control
  42. Fuel preparation: variable intake manifold
  43. Identification: vehicle identification number
• Data lists (26)
  1. Brake system: ABS control unit
  2. Chassis: adjustment data for wheel alignment
  3. Airbag: airbag
  4. Lighting: bulbs
  5. Fuel preparation: engine control unit
  6. Air conditioning: operating fluids
  7. Brake system: operating fluids
  8. Engine: operating fluids
  9. Steering system: operating fluids
  10. Transmission control: operating fluids
  11. Inspection: replacement intervals
  12. Air conditioning: test values
  13. Airbag: test values
  14. Brake system: test values
  15. Electrical system: test values
  16. Engine: test values
  17. Exhaust emission test: test values
  18. Fuel preparation: test values
  19. Tire pressure control system: test values
  20. Airbag: tightening torques
  21. Brake system: tightening torques
  22. Chassis: tightening torques
  23. Engine: tightening torques
  24. Steering system: tightening torques
  25. Transmission control: tightening torques
  26. Chassis: wheels
• Descriptions (22)
  1. Fuel preparation: air mass sensor
  2. Chassis: camber
  3. Chassis: caster
  4. Fuel preparation: coolant temperature sensor
  5. Fuel preparation: crankshaft speed sensor
  6. Fuel preparation: exhaust gas regulation
  7. Fuel preparation: high-pressure pump
  8. Fuel preparation: injector
  9. Fuel preparation: intake air temperature sensor
  10. Fuel preparation: intake manifold pressure sensor / charge pressure sensor
  11. Fuel preparation: O2 sensor
  12. Electrical system: plug connector allocation for alternator
  13. Fuel preparation: rail pressure control valve
  14. Fuel preparation: rail pressure sensor
  15. Air conditioning: refrigerant cycle
  16. Brake system: speedsensor activ
  17. Chassis: splay
  18. Chassis: thrust angle
  19. Chassis: toe
  20. Chassis: tyre
  21. Tire pressure control system: tyre pressure control
  22. Fuel preparation: wastegate turbo
• Installation and replacement guides (6)
  1. Electrical system: battery removing and installatio
  2. Airbag: driver airbag
  3. Air conditioning: interior air filter remove and install
  4. Engine: power unit belt remove and install
  5. Central locking: remove battery radio remote control
  6. Body interior: remove front doortrim
• Troubleshooting guides (10)
  1. Fuel preparation: boost pressure too high
  2. Fuel preparation: boost pressure too low
  3. Fuel preparation: combustion misfiring
  4. Fuel preparation: engine has a lack of performance
  5. Fuel preparation: Engine is not starting
  6. Fuel preparation: engine starts and turn off immediately
  7. Fuel preparation: engine turn high
  8. Fuel preparation: Engine very hard to start
  9. Fuel preparation: smoke black
  10. Fuel preparation: smoke white
• Wiring diagrams (67)
  1. Bus system: CAN-Bus as of 06.2010
  2. Bus system: CAN-bus up to 05.2010
  3. Brake system: plug connection ABS
  4. Airbag: plug connection airbag
  5. Instument cluster: plug connection instrument cluster
  6. Parking aid: plug connection parking aid
  7. Fuel preparation: plug connection piezo injector and Start-Stop
  8. Fuel preparation: plug connection solenoid injector
  9. Fuel preparation: plug connection solenoid injector and Start-Stop
  10. Fuel preparation: plug connection with piezo injector
  11. Trailer hitch: plug connector allocation for trailer hitch 13 pin
  12. Trailer hitch: plug connector allocation for trailer hitch 7 pin
  13. Transmission control: wiring diagram 5-gear automatic transmission
  14. Transmission control: wiring diagram 7-gear automatic transmission
  15. Brake system: wiring diagram ABS as of 03.2011
  16. Brake system: wiring diagram ABS up to 02.2011
  17. Air conditioning: wiring diagram air conditioning as of 06.2010
  18. Air conditioning: wiring diagram air conditioning up to 05.2010
  19. Airbag: wiring diagram Airbag
  20. Anti-theft alarm system: wiring diagram anti-theft alarm system
  21. Air conditioning: wiring diagram auto air conditioning as of 06.2010
  22. Air conditioning: wiring diagram auto air conditioning up to 05.2010
  23. Lighting: wiring diagram brake light switch
  24. Power window lifter: wiring diagram control unit front right as of 04.2010
  25. Engine: wiring diagram cooling fan
  26. Diagnostic connector: wiring diagram diagnose socket as of 06.2009
  27. Diagnostic connector: wiring diagram diagnose socket up to 05.2009
  28. Power window lifter: wiring diagram door control unit front left
  29. Power window lifter: wiring diagram door control unit front right up to 03.2010
  30. Power window lifter: wiring diagram door control unit rear left
  31. Power window lifter: wiring diagram door control unit rear right as of 04.2010
  32. Power window lifter: wiring diagram door control unit rear right up to 03.2010
  33. Lighting: wiring diagram driving light 12.2009 up to 02.2011
  34. Lighting: wiring diagram driving light up to 11.2009
  35. Lighting: wiring diagram driving light with xenon headlamp 12.2009 up to 02.2011
  36. Lighting: wiring diagram driving light with xenon headlamp as of 03.2011
  37. Lighting: wiring diagram driving light with xenon headlamp up to 11.2009
  38. Lighting: wiring diagram fog lamp as of 12.2009
  39. Lighting: wiring diagram fog lamp up to 11.2009
  40. Electrical system: wiring diagram horn
  41. Lighting: wiring diagram indicatior light as of 03.2011
  42. Lighting: wiring diagram indicatior light up to 02.2011
  43. Lighting: wiring diagram indicatior light with xenon headlamp up to 02.2011
  44. Instument cluster: wiring diagram instrument cluster
  45. Chassis: wiring diagram level control system as of 06.2009
  46. Chassis: wiring diagram level control system up to 05.2009
  47. Parking aid: wiring diagram parking aid
  48. Fuel preparation: wiring diagram piezo injector and Start-Stop as of 12.2009
  49. Fuel preparation: wiring diagram piezo injector and Start-Stop up to 11.2009
  50. Fuel preparation: wiring diagram piezo injector as of 12.2009
  51. Fuel preparation: wiring diagram piezo injector up to 11.2009
  52. Steering system: wiring diagram power steering electro hydraulic
  53. Steering system: wiring diagram power steering electro mechanic
  54. Lighting: wiring diagram reverse gear light
  55. Lighting: wiring diagram running lights as of 03.2011
  56. Power window lifter: wiring diagram sliding roof
  57. Fuel preparation: wiring diagram solenoid injector and Start-Stop as of 12.2009
  58. Fuel preparation: wiring diagram solenoid injector and Start-Stop up to 11.2009
  59. Fuel preparation: wiring diagram solenoid injector as of 12.2009
  60. Fuel preparation: wiring diagram solenoid injector up to 11.2009
  61. Electrical system: wiring diagram start/load
  62. Steering system: wiring diagram steering column module
  63. Tire pressure control system: wiring diagram tire pressure monitoring as of 12.2009
  64. Tire pressure control system: wiring diagram tire pressure monitoring up to 11.2009
  65. Trailer hitch: wiring diagram trailer hitch as of 06.2009
  66. Trailer hitch: wiring diagram trailer hitch up to 05.2009
  67. Windschield washer: wiring diagram windscreen wiper
• Tips and tricks (6)
  1. Electrical system: diverse disfunctions
  2. Parking aid: fault code display parking aid
  3. Fuel preparation: fault code particle filter-differential pressure sensor
  4. Electrical system: fault code undervoltage
  5. Airbag: Seat belt does not roll up properly.
  6. Stop and go system: Start-Stop system without function
• Reset instructions (6)
  1. Inspection: read out complete service quantity with 12-button steering wheel
  2. Inspection: read out complete service quantity with 4-button steering wheel
  3. Inspection: read out workshop code with 12-button steering wheel
  4. Inspection: read out workshop code with 4-button steering wheel
  5. Inspection: service reset with 12-button steering wheel
  6. Inspection: service reset with 4-button steering wheel
• Safety instructions (2)
  1. Air conditioning: safety instructions
  2. Airbag: safety instructions

• OBD Code P0426, Hex Code 0426, Decimal Code 1062 ( 2 times read)
  • ECU Diagnostic System (EOBD/OBDII) (2 times read)
• OBD Code P0101, Hex Code 0101, Decimal Code 257 ( 1 times read)
  • ECU Diagnostic System (EOBD/OBDII) (1 times read)
• OBD Code , Hex Code 007613, Decimal Code 30227 ( 1 times read)
  • ECU Engine Control Module (ECM) (1 times read)
• OBD Code B1CE2, Hex Code 9CE2, Decimal Code 40162 ( 1 times read)
  • ECU Supplemental Restraint System (SRS) (1 times read)
• OBD Code , Hex Code 9ED187, Decimal Code 10408327 ( 1 times read)
  • ECU Air Condition (1 times read)

MERCEDES-BENZ C-CLASS T-Model (S204) C 250 CDI (204.203)