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:
Preparing the vehicle
Your vehicle may be equipped with:
- TIREFIT kit
- a "Minispare" emergency spare wheel
- MOExtended tires (tires with run-flat
properties)
Vehicle preparation is not necessary on ...
Loading and removing SD cards
Not all SD memory cards are designed for
the temperatures which may be reached in
the vehicle.
Due to the wide range of SD cards available
on the market, Mercedes-Benz cannot
guarantee pla ...
Fuel grade
You should only refuel with
premiumgrade
unleaded gasoline, as this avoids
damaging the catalytic converter.
Flexible fuel vehicles, identifiable from the
label inside the fuel filler flap, ...
