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:
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are ...
Safety
As it should be, the M-Class is full of standard safety features like an
electronic stability system, antilock brakes, traction control, side curtain
airbags, and side-impact airbags for the front ...
Activation conditions
You can activate the HOLD function if:
Rthe vehicle is stationary.
Rthe engine is running.
Rthe driver's door is closed or if your seat belt is fastened.
Rthe electric parking brake is released.
...