Remove/Install Rear Wiper Motor - E300 L6-30L DSL (1995) Service and Repair
8. Unscrew hexagon nut (arrow) from wiper motor shaft and press off crank arm.
9. Unscrew hexagon bolts (arrows) of wiper motor and take off wiper motor.
Installation:
10. Screw on hexagon bolts of wiper motor and tighten to 5 Nm.
11. Connect wiper motor to wiring harness and run to park position.
12. Fit crank arm onto wiper motor shaft and align.
13. Tighten hexagon nut (arrow) to 19 Nm.