300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
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.