Rear window defroster
Activating/deactivating
The rear window defroster has a high current draw. You should therefore switch it off as soon as the rear window is clear. Otherwise, the rear window defroster switches off automatically after several minutes.
If the battery voltage is too low, the rear window defroster may switch off.
■ Turn the SmartKey to position 2 in the ignition lock .
■ Press the 
button.
The indicator lamp in the 
button
lights
up or goes out.
Problems with the rear window defroster
See also:
Overhead control panel
1 Voice Control System only available together with COMAND. Observe the
additional operating instructions. ...
Fuel/water separator
Environmental note
Dispose of service products in an
environmentally responsible manner.
If you continue driving without having the
fuel/water separator serviced, this could
cause damage to the e ...
Active Parking Assist
Important safety notes
Active Parking Assist is merely an aid. It is not
a replacement for your attention to your
immediate surroundings. You are always
responsible for safe maneuvering, parking
...