Mercedes-Benz SLK-CLASS Operator's Manual page 152

Practical hints
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Operational position
Turn crank handle clockwise.
Before storing the vehicle jack in its
compartment:
It should be fully collapsed.
The handle must be folded in (storage
position).
390
Setting up the collapsible wheel chock
The collapsible wheel chock serves to ad-
ditionally secure the vehicle, e.g. while
changing the wheel.
1 Tilt the plate upward
2 Fold the lower plate outward
3 Insert the plate
Tilt both plates upward 1.
Fold the lower plate outward 2.
Guide the tabs of the lower plate all the
way into the openings of the base
plate 3.