Mercedes-Benz SLK350 Operator's Manual page 260

Features
258
Do not place several floormats on top of each
other as this may impair pedal movement.
Slide the seat backwards.
X
To install: place the floormat in the
X
footwell.
Press studs : onto retainers ;.
X
To remove: pull the floormat off
X
retainers ;.
Remove the floormat.
X