Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on.
X Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting.
See also:
Overview of interior lighting
Switches the rear interior
lighting on/off
Switches the automatic interior
lighting control on/off
Switches the right-hand front
reading lamp on/off
Switches the front interior ...
Transfer case
This section is only valid for vehicles with 4-
wheel drive (4MATIC). Power is always
transmitted to both axles.
Performance tests may only be carried
out on a 2-axle dynamometer. The brake
...
Setting the exterior mirrors
This function is only available in vehicles for
Canada.
If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset. The exterior mirrors will
otherwise ...