Backrest for Left or Right Rear Seat

52 25 015 - Removing and installing/replacing backrest for left or right rear seat





Necessary preliminary tasks:
- Remove rear head restraint Left or Right Rear Head Restraint
- Remove left or right rear seat Rear Seat, Normal, Electric
- Move backrest completely forwards





Installation:
- Microencapsulated screws and nuts (Loctite) must be replaced and may not be reused
- Screw connection must be completed within 20 minutes (start of curing)
- Microencapsulated screws/nuts must not be retightened
- Clean thread of nut beforehand in event of repeated use





Note:
For purposes of clarity the following operations are shown in the released state.

Detach cover (1) from Velcro-type fastener.

Pull cover (1) upwards out of guide from four-bar lever.





Installation:
Make sure cover guide is correctly seated on four-bar lever.





Unscrew nuts (1).

Installation:
Replace nuts (1).
Tightening torque 52 25 04AZ 52 25 Rear Seat, Electric.





Release screw (1).

Installation:
Replace screw (1).
Tightening torque 52 25 05AZ 52 25 Rear Seat, Electric.





Unscrew nuts (1).

Installation:
Replace nuts (1).
Tightening torque 52 25 05AZ 52 25 Rear Seat, Electric.

Installation sequence:





- Tighten nut (1) handtight
- Tighten nut (2) handtight
- Tighten down screws and nuts (3 to 11)

Important!
Observe tightening sequence without fail.
Observe tightening torques. See above.





Raise complete rear seat and set forwards slightly.
Unlock plug connections (1) and disconnect.
Remove rear seat.