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:
Notes on driving
• If the vehicle is heavily laden, check
the tire
pressures and correct them if necessary.
• When parking your vehicle, make sure that
the tires do not get deformed by the curb
or other obstacle ...
Problems with your vehicle
If you should experience a problem with your
vehicle, particularly one that you believe may
affect its safe operation, we urge you to
contact an authorized Mercedes-Benz Center
immediately to ...
Driving safety systems overview
In this section, you will find information about
the following driving safety systems:
- ABS (Anti-lock Braking System)
- BAS (Brake Assist System)
- BAS PLUS (Brake Assist System Plus*) ...
