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:
Showing the distance display
This function is only available with
DISTRONIC PLUS.
– Press the or
button on the
steering wheel to select the DriveAssist
menu.
– Press the or
button to select
Distance Display.
– Pr ...
Decoupling a trailer
WARNING
Do not disconnect a trailer with an engaged overrun brake. Otherwise, your hand
could become trapped between the bumper and trailer drawbar.
Do not disconnect a trailer with an eng ...
Emergency braking
The vehicle can also be braked during an
emergency using the electric parking brake.
While driving, push handle 1 of the electric
parking brake.
The vehicle is braked as long as you keep
the ...
