52 14 001 Removing and installing front seat, driver's side
Necessary preliminary tasks:
- Remove CRASH-ACTIVE HEADREST
- Remove COVERS ON SEAT RAILS
- Remove outer cover . See 52 14 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT or 52 13 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT
- Disconnect battery earth lead . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD or 61 20 900 DISCONNECTING AND CONNECTING BATTERY EARTH LEAD
Improper handling can lead to triggering of the pyrotechnical seat belt tensioner or side airbag, resulting in injuries.
Installation note:
- Powerlok screws must be replaced and must not be reused
- Powerlok screws are mechanical screw locks with trilobular threads
Move front seat rearwards.
Release screws (1).
Installation note:
Replace screws.
Tightening torque 52 10 01AZ .
Move front seat forwards.
Release screws.
Installation note:
Replace screws.
Tightening torques 52 10 01AZ .
Only series F01/F02:
Release screw (1).
Tightening torque 72 11 07AZ .
Remove lock washer.
Pull seat belt strap (2) out of end fitting tensioner.
Only series F07:
Move front seat upwards.
Release screw (1) on front seat.
Installation note:
Replace screw.
Tightening torque 72 11 02AZ .
Feed out belt end fitting (2).
Installation note:
Carpet must not project between seat rail and floor panel in area of attachment points (creaking noise).
Unclip cover (1) towards front.
Release cable strap on plug connection.
Installation note:
Replace defective cable strap.
Unfasten plug connection (2) and disconnect.
Unclip wiring harness from seat mechanism.
Carefully lift out front seat.
Installation note:
Make sure wiring harness installation arrangement is correctly routed in order to avoid creaking noises, jamming or collisions.
Clip in cable clip for wiring harness.
Lay wiring harness only in area (1) of cover.
Fitting the wiring harness between the carpet and the cover in control unit area (2) will result in creaking noises.
Carry out a complete forward/back adjustment with front seat.
Improper handling can lead to triggering of the pyrotechnical seat belt tensioner or side airbag, resulting in injuries.