300SD (140.134) L6-3.5L DSL Turbo (603.971) (1993)
1
Pull off vapor seal on interior door panel.
2
Close crank window.
3
Pull sealing frame out of groove in area of door lock.
4
Remove or unhook linkage for interior door actuation (1), lock (2) and central locking element (3) on door lock.
5
Disconnect electrical connection on door lock (arrow).
6
Screw out screws on window guide rail at top (arrows).