Problems with the rear window defroster
The rear window defroster has deactivated itself 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:
Notes for 4MATIC vehicles
Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
If the vehicle has transmission damage or
damage to the front or ...
Problems with the rear window
defroster
The rear window defroster has deactivated
itself prematurely or cannot be activated.
- Switch off any consumers that are not
required, e.g. reading lamps or interior
lighting.
When the battery ...
Setting the temperature in the rear
compartment using the front control
panel
Turn the SmartKey to position 2 in the
ignition lock.
Activate the rear compartment
function via COMAND.
The rear-compartment climate control can
be controlled via the front control panel
...