See also:

Floormat on the driver's side
WARNING Whenever you are using a floormat, make sure there is enough clearance and that the floormat is securely fastened. The floormat should always be securely fastened using the fasteni ...

Important safety notes
Important safety notes Do not leave the SmartKey in the cargo compartment. You could otherwise lock yourself out WARNING   When leaving the vehicle, always remove the SmartKey from the ...

Vehicle remote opening
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer A ...