SLK 350 (171.456) V6-3.5L (272.963) (2006)
4. Simultaneously pull left and right hinge lever (2) on rear struts (6) toward rear, then push trunk downward at rear and install insert (4) with stop
buffers (1) on left and right hinge levers (2).
Pulling the rear struts (6) toward rear overcomes the dead center point on the hinge lever joints (2).
5. Check adjustment of gas-operated struts (5) by pulling trunk lid up and down.
The stop buffers (1) should make contact with the rear struts (6) of the hinge lever (2) under tension.