Special considerations when using MP3
players
R
Up to eight directory levels with up to 1,000
tracks per directory are supported.
R
Do not use USB extension leads or
adapters. They can impair functionality.
R
DRM (Digital Rights Management)
protected files are not supported by the
Media Interface.
Audio AUX mode
Notes on audio AUX mode
You can connect an external audio source
(AUX) to Audio 20 using the jack plug in the
glove box. Please consult an authorized
Mercedes-Benz Center for further
information.
Activating audio AUX mode
When you connect an external audio source,
audio AUX is not selected automatically.
X
Select
Audio
from the main function bar
using the controller (slide
XVY
or turn
cVd
) and press
W
to confirm.
If AUX mode was the last mode selected, it
will now be active.
If another audio source is switched on, you
can now switch to audio AUX mode in the
audio menu.
X
Slide
ZV
the controller to select
Audio
and
press
W
to confirm.
The audio menu appears.
X
Turn
cVd
the controller to select
Aux
and
press
W
to confirm.
The audio AUX menu appears. The medium
in the external audio source is played if the
source is connected and playback
selected.
i
Please see the respective operating
instructions for how to operate the external
audio source.
You can select a sound setting specifically for
audio AUX mode. See (
Y
page 21).
Adjusting the volume
i
The volume of external audio sources can
vary greatly. In some cases, the volume of
the external audio device may be quieter or
louder, or the usual maximum possible
volume may be lower. On some devices, it
is possible to adjust the volume separately.
In this case, start at a medium volume and
increase it gradually. This enables you to
determine whether the system is able to
play the music at high volume without
distorting it.
You can increase the volume of the external
audio sources.
X
Select
Volume
from the AUX basic menu
using the controller (slide
V
Æ
,
XVY
or turn
cVd
) and press
W
to confirm.
The selection list appears. The
#
dot
indicates the option selected.
:
Default setting
;
Volume amplification
G
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.
78
Audio AUX mode
Audio