300SL (129.061) L6-3.0L (104.981) (1991)
2
Unscrew screws and remove toothed belt from motor.
3
Screw motor back onto driver's backrest and tighten hand-tight.
4
Unlock backrest and tilt forward.
5
Knock out clamping pin, diameter 3 mm, while holding with setting iron or hammer (arrow).
6
Unscrew screw on outside (arrow).