WARNING
Objects in the driver's footwell can restrict the pedal travel or obstruct a depressed pedal.
The operating and road safety of the vehicle is jeopardized. There is a risk of an accident.
Make sure that all objects in the vehicle are stowed correctly, and that they cannot enter the driver's footwell. Install the floormats securely and as specified in order to ensure sufficient clearance for the pedals. Do not use loose floormats.

Floormat on the driver's side (example)
■ Driver's seat/front-passenger seat: slide the respective seat back.
■ Rear seats: slide the respective seat forwards.
■ To install: place the floormat in the footwell.
■ Press studs 1 onto retainers 2.
■ To remove: pull the floormat from retainers 2.
■ Remove the floormat.
Problems with the automatic transmission
...
Pulling away
Automatic transmission
WARNING
If the engine speed is above the idling speed
and you engage transmission position D or
R, the vehicle could pull away suddenly. There
is a risk of an accident.
...
Problems with your vehicle
If you should experience a problem with your
vehicle, particularly one that you believe may
affect its safe operation, we urge you to
contact an authorized Mercedes-Benz Center
immediately to have ...