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:
Important safety notes
The rear view camera is an optical parking and
maneuvering aid. It shows the area behind
your vehicle with guide lines in the COMAND
display.
WARNING
Make sure that no persons or animals are ...
SmartKey
Display messages
Possible causes/consequences and •► Solutions
Key Does Not
Belong to Vehicle
You have put the wrong SmartKey in the ignition lock.
•► Use the correct ...
DEF
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF. Adding DEF is one of the
tasks performed during maintenance. Under
no ...