Loosening Main Wire Harness In Luggage Compartment At The Left

NOTIFICATION 

Incorrect handling of main wire harness 

• Risk of damage to lines 
  1. → The main wire harness contains all airbag lines, antenna lines and optical waveguides.
  2. → The main wire harness must not be separated and is always replaced as a complete wire harness when carrying out extensive repairs.
  3. → If individual lines are damaged, shut off these lines and install new lines. Lay the new lines along the main wire harness and secure them to the main wire harness.

1. Unclip electric plug connection for PVTS antenna -1-  from the holder.

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   Electric plug connection for PVTS antenna

2. Release and disconnect electric plug connection from PVTS antenna

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   Electric plug connection for PVTS antenna

3. Release and disconnect electric plug connection for Lane Change Assist control unit at the right -2-  .

   > 917019 REMOVING AND INSTALLING CONTROL UNIT FOR LANE CHANGE ASSIST

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   Electric plug connection on control unit for Lane Change Assist, right

4. Unclip line bracket -3-  for section of line for Lane Change Assist control unit at the right.

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   Line bracket

5. Unclip center line bracket -1-  for section of line for Lane Change Assist control unit at the right -2-  .

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   Centre line bracket

6. Unclip electric plug connection on antenna for ERA GLONASS -1-  from the holder.

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   Electric plug connection on antenna for ERA GLONASS

7. Release and disconnect electric plug connection on antenna for ERA GLONASS -1-  .

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   Electric plug connection on antenna for ERA GLONASS

8. Release and disconnect electric plug connection on Lane Change Assist control unit at the left -2-  .

   > 917019 REMOVING AND INSTALLING CONTROL UNIT FOR LANE CHANGE ASSIST

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   Electric plug connection on control unit for Lane Change Assist, left

9. Release and disconnect electric plug connection on control unit for garage door opener -3-  .

   > 967919 REMOVING AND INSTALLING CONTROL UNIT FOR GARAGE DOOR OPENER

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   Electric plug connection on control unit for garage door opener

10. Unclip line bracket -1-  for section of line for Lane Change Assist control unit.

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    Section of line for Lane Change Assist control unit

11. Press rubber sleeve -2-  into the passenger compartment and guide section of line for Lane Change Assist control unit into the passenger compartment.

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    Rubber sleeve

12. Press rubber sleeve -1-  into the passenger compartment and guide section of line for left tail light -2-  into the passenger compartment.

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    Section of line for left tail light

13. Release and disconnect electric plug connection on rear left speed sensor

    > 451519 REMOVING AND INSTALLING REAR SPEED SENSOR

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    Electric plug connection on speed sensor

14. Release and disconnect electric plug connection for brake pad wear indicator -2-  .

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    Electric plug connection for brake pad wear indicator

15. Release and disconnect electric plug connection for a bag sensor on rear left wheel bearing housing -1-  .

    > 695119 REMOVING AND INSTALLING AIRBAG SENSOR

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    Electric plug connection for airbag sensor on rear left wheel bearing housing

16. Release and disconnect electric plug connection on parking brake spreader device -2-  .

    > 468519 REMOVING AND INSTALLING SPREADER DEVICE

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    Electric plug connection on parking brake spreader device

17. Pull line bracket -2-  for section of line for the chassis at the left -1-  out of the holder.

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    Line bracket for section of line for chassis, left

18. Release and disconnect electric plug connection for rear left level sensor -1-  .

    > 431955 REPLACING REAR LEVEL SENSOR

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    Electric plug connection on rear left level sensor

19. Release and disconnect electric plug connection for left air spring -2-  .

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    Electric plug connection on left air spring

20. Disconnect section of line for chassis at the left -3-  from the holders -4-  .

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    Section of line for chassis, left

21. Release and disconnect electric plug connection for rear left damping adjustment -1-  .

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    Electric plug connection for rear left damping adjustment

22. Unclip line bracket -2-  for section of line for chassis at the left -4-  .

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    Section of line for chassis, left

23. Press rubber sleeve -3-  into the passenger compartment and guide section of line for the chassis at the left -4-  into the passenger compartment.

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    Rubber sleeve

24. Release and disconnect electric plug connection -1-  from valve unit -2-  .

    > 432355 REPLACING VALVE UNIT

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    Electric plug connection on valve unit

25. Release and disconnect electric plug connection -3-  from the compressor -4-  .

    > 431519 REMOVING AND INSTALLING COMPRESSOR

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    Electric plug connection on compressor

26. Release and disconnect electric plug connections -1-  from con pressor control unit -2-  .

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    Electric plug connection on compressor control unit

27. Unclip line bracket -1-  for section of line for the levelling system -2-  .

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    Section of line for levelling system

28. Unscrew fastening nut -1-  and press heat shield -2-  down until section of line for the levelling system -4-  is accessible.

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    Heat protection panel

29. Unclip line bracket -3-  for section of line for the levelling system -4-  .

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    Line bracket

30. Press rubber sleeve -1-  into the passenger compartment and guide section of line for the levelling system -2-  into the passenger compartment.

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    Rubber sleeve

31. Release and disconnect electric plug connections -1-  from connection point for rear axle.

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    Electric plug connections for connection point for rear axle

32. Press rubber sleeve -2-  into the passenger compartment and guide section of line for rear axle -3-  into the passenger compartment.

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    Section of line for rear axle

33. Release and disconnect electric plug connection for (rear) PDCC control unit -4-  and unclip line bracket -5-  .

    > 430819 REMOVING AND INSTALLING (REAR) PDCC CONTROL UNIT

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    Electric plug connection for (rear) PDCC control unit

34. Release and disconnect electric plug connection for exhaust flap -1-  and unclip line bracket -2-  .

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    Electric plug connection for exhaust flap

35. Press rubber sleeve -3-  into the passenger compartment and guide section of line for (rear) PDCC -4-  into the passenger compartment.

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    Section of line for (rear) PDCC

36. Unscrew fastening screws -1 and_2-  from holder for 48-volt additional battery.

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    Fastening screws

37. Release and disconnect electric plug connection for 48-volt additional battery -1-  .

    > 270719 REMOVING AND INSTALLING 48-VOLT ADDITIONAL BATTERY

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    Electric plug connection on 48-volt additional battery

38. Release and disconnect electric plug connection for airbag sensor in luggage compartment at the right -2-  .

    > 695119 REMOVING AND INSTALLING AIRBAG SENSOR

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    Electric plug connection for airbag sensor in luggage compartment, right

39. Unscrew fastening nut -3-  from rear right ground point and remove ground lines.

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    Rear right ground point

40. Lift up holder for 48-volt additional battery and unclip line bracket -4-  for section of line for the 48-volt additional battery.

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    Holder for 48-volt additional battery

41. Release and disconnect electric plug connection for KESSY antenna -1- 

    > 966719 REMOVING AND INSTALLING (REAR) KESSY/PAS ANTENNA

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    Electric plug connection on KESSY antenna

42. Unclip line bracket -2-  for section of line for luggage compartment -3-  .

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    Section of line for luggage compartment

43. Release and disconnect electric plug connection for airbag sensor in luggage compartment at the left -1-  .

    > 695119 REMOVING AND INSTALLING AIRBAG SENSOR

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    Electric plug connection for airbag sensor, rear left

44. Unclip line bracket -2-  for section of line for luggage compartment -3-  .

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    Section of line for luggage compartment

45. Release and disconnect electric plug connection for head airbag at the left -1-  .

    > 696619 REMOVING AND INSTALLING HEAD AIRBAG

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    Electric plug connection for head airbag, left

46. Unclip line bracket -2-  on section of line for head airbag at the left -3-  .

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    Section of line for head airbag, left

47. Unclip electric plug connection at connection point for roof at the right -1-  from the holder.

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    Electric plug connection at connection point for roof, right

48. Open holder and unclip electric plug connections at connection point for roof at the left -2-  from the holder.

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    Electric plug connections at connection point for roof, left

    Information 

    Handling optical waveguides:

    • Optical waveguides must not be kinked.
    • Optical waveguides must not be crushed.

    The ends of the optical waveguide must be checked for dirt and soiling before installation.

49. Release and disconnect electric plug connections -1 and 2-  .

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    Electric plug connections

50. Unscrew fastening screw -3-  on ground point at the left of the roof and remove ground line.

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    Ground point for roof, left

51. Unclip line bracket -5-  for the ground line.

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    Line bracket for ground line

52. Unclip electric plug connections -1-  at connection point for the roof from the holder.

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    Electric plug connections at connection point for roof

53. Release and disconnect electric plug connections -1-  at connection point for the roof.

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    Electric plug connections at connection point for roof

    Information 

    Collect emerging water using a suitable container and close off the ends of the hose using suitable stoppers. 

54. Disconnect hose connection for washer system -2- 

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    Hose connection for washer system

55. Unclip line bracket -1-  for section of line for the roof -2-  .

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    Line bracket for section of line for roof

56. Release and disconnect electric plug connection for antenna amplifier (on side window) at the left

    > 918419 REMOVING AND INSTALLING ANTENNA AMPLIFIER (SIDE WINDOW)

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    Electric plug connection for antenna amplifier (on side window), left

57. Unclip line bracket -2-  on section of line for antenna amplifier (on side window) at the left -3-  .

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    Section of line for antenna amplifier (on side window), left

58. Remove water drain hose for panoramic roof -2-  from line brackets for main wire harness

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    Water drain hose for panoramic roof

59. Unclip line bracket -1-  for section of line for the roof -2-  .

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    Section of line for roof

60. Unclip line bracket -1-  for main wire harness for luggage compartment at the left -2-  at the wheel housing.

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    Main wire harness in luggage compartment, left

61. Release and disconnect electric plug connections for trailer hitch control unit

    > 669619 REMOVING AND INSTALLING TRAILER HITCH CONTROL UNIT

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    Electric plug connections on trailer hitch control unit

62. Unscrew fastening nut -2-  from rear left ground point and remove ground lines.

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    Fastening nut for rear left ground point

63. Unclip line bracket -3-  for section of line for the left tail light.

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    Line bracket for section of line for left tail light

64. Release and disconnect electric plug connection for rear three-point belt at the left -1- 

    > 691219 REMOVING AND INSTALLING REAR THREE-POINT BELT

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    Electric plug connection for ear three-point belt, left

65. Release and disconnect electric plug connection for left seat heating resistor -2-  .

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    Electric plug connection for seat heating resistor, left

66. Unscrew fastening nut -3-  from rear left ground point and remove ground lines.

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    Fastening nut for rear left ground point

67. Open cable duct cover -1-  and remove main wire harness in luggage compartment at the left -2-  .

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    Cable duct cover

68. Unclip line bracket -3-  for main wire harness for luggage compartment at the left -2-  .

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    Line bracket for main wire harness in luggage compartment at the left