300SL (129.061) L6-3.0L (104.981) (1991)
4
Unscrew bracket and remove flexible drive shaft on left and right of gear drive shafts.
5
Unscrew screws on motor (M25m5) for backrest adjustment (arrows).
6
Release tension on toothed belt and remove.
7
Disconnect control cable (2) on backrest lock (4). Remove retainer and plastic washer on backrest hinge bolt, inside.