Switching the rear window defroster on/off
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.
► Turn the SmartKey to position 2 in the ignition lock.
► USA only: press the 
button.
The indicator lamp in the 
button
lights
up or goes out.
The rear window defroster has a high current draw. You should therefore switch it off as soon as the rear window is clear.
as it only switches off automatically after several minutes.
If the battery voltage is too low, the rear window defroster may switch off.
Problems with the rear window defroster
If the indicator lamp in the
rear window
defroster button flashes, the on-board
voltage is too low. The rear window defroster
has deactivated prematurely or cannot be
activated.
► Switch off any consumers that are not required, e.g. reading lamps or interior lighting.
When the battery is sufficiently charged, the rear window defroster is activated again automatically.
See also:
Stowage space
Important safety notes
WARNING
If objects in the passenger compartment are
stowed incorrectly, they can slide or be
thrown around and hit vehicle occupants.
There is a risk of injury, particula ...
M+S tires
WARNING
M+S tires with a tire tread depth of less than
1/6 in (4 mm) are not suitable for use in winter
and do not provide sufficient traction. There
is a risk of an accident.
M+S tires with a ...
Setting the air vents
Important safety notes
WARNING
When operating the climate control, the air
that enters the passenger compartment
through the air vents can be very hot or very
cold (depending on the set temperat ...