Problems with the cooling with air dehumidification function
When you press the 
button, the
indicator lamp in the button flashes three
times or remains off. You can no longer switch
on the cooling with air dehumidification
function.
Consult a qualified specialist
workshop.
See also:
Activating the rear view camera
► Make sure that the SmartKey is in
position
2 in the ignition lock.
► Make sure that the "rear view camera"
function is selected in COMAND (see the
separate operating inst ...
Problems with the engine
Problem
Possible causes/consequences and
Solutions
The engine does not start. The starter motor can be
heard.
• There is a malfunction in the engine electronics.
• ...
Adjusting the head restraint height electrically
To adjust the head restraint height: slide
the switch for head restraint adjustment
up or down in the direction of
the arrow. ...