See also:

Assembling the ball coupling
Mercedes-Benz recommends that you have the ball coupling assembled at a qualified specialist workshop. Only a qualified specialist workshop has the necessary specialist knowledge and tool ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the interi ...

Using KEYLESS-GO
The KEYLESS-GO key must be outside the vehicle. All the doors must be closed. •► Touch recessed sensor surface 1 on the door handle until the side windows and the sliding sunroof or the ...