Activating audio AUX mode
When you connect an external audio source, audio AUX is not selected automatically.
Select Audio in the main function bar by
sliding 
and turning
the COMAND
controller and press 
to confirm.
Select AUX using
and press
to
confirm.
The audio AUX menu appears. The medium in the external audio source is played, if the source is connected and playback selected.
Please see the respective operating instructions for how to operate the external audio source.
You will find details on volume and sound settings in the "At a glance" section.
WARNING
External audio sources may have different
volumes, which can mean that system
messages such as traffic announcements and
navigation system announcements are much
louder. If necessary, please deactivate the
system messages or adjust their volume
manually.
See also:
Engine
Display messages
Possible causes/consequences and
Solutions
The yellow Check Engine warning lamp lights up while the engine is
running.
There may be a malfunction ...
Tachometer
The red band in the tachometer indicates the
engine's overrevving range.
! Do not drive in the overrevving range, as
this could damage the engine.
The fuel supply is interrupted to protect the
...
Crash-responsive emergency lighting
The interior lighting is activated automatically
if the vehicle is involved in an accident.
► To switch off the crash-responsive
emergency lighting: press the hazard
warning lamp button.
...