Activating/deactivating
WARNING
Any accumulation of snow and ice should be
removed from the rear window before driving.
Visibility could otherwise be impaired, endangering you and others.
The rear window defroster has a high current draw. You should therefore switch it off as soon as the window is clear as it only switches off automatically after several minutes.
http://strategic-human-resource.com/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 above the 
button
lights up or goes out.
See also:
Weather Band
Switching on
Select the currently set waveband FM or
AM by sliding and turning
the
COMAND controller and press to
confirm.
Select WB from the menu and press
to
confirm.
1 Display ...
Important safety notes
Observe the "Important safety
notes"
section.
ABS regulates brake pressure in such a way
that the wheels do not lock when you brake.
This allows you to continue steering the
vehic ...
Installing the ball coupling
WARNING
If the vehicle/trailer combination is not secured, the trailer may come loose.
As a result, you could cause an accident.
Observe the ball coupling manufacturer's installation inst ...