Ejecting an SD memory card
XPress the SD memory card.
Audio 15 ejects the SD memory card.
XRemove the SD memory card.
Connecting a USB device
The port for USB devices is located in the
stowage compartment on the driver's side of
the instrument panel.
XConnect the USB device to the USB port in
the correct position.
Audio 15 automatically activates USB
mode and loads the files.
The display shows Reading USB
device...
iIf Audio 15 cannot find any readable files
on the USB device, the display shows No
Playable Files.
Information on readable file formats can be
found in the technical data (
Ypage 50).
iDue to the wide range of USB devices
available on the market, playback cannot
be guaranteed for all USB device brands.
Information about suitable USB devices
can be obtained from an authorized
Mercedes-Benz Center.
Selecting the SD/USB function
XPress the Õbutton repeatedly, until the
display in the menu bar shows SD
/USB.
Playback starts.
Alternatively, you can select the SD function
in the main menu bar.
XPress the 9button repeatedly until the
main menu bar is selected.
XSelect Audio.
The display shows all available audio sour-
ces in a selection list.
XSelect SD/USB.
Playback starts.
You can also select the SD/USB function
accordingly when one of the other audio func-
tions is active.
XPress the j(SD)/l (USB) button.
or
XPress the :button repeatedly until the
menu bar is selected.
XSelect Media.
The display shows all available audio sour-
ces in a selection list.
XSelect SD/USB.
Playback starts.
iIf there is already an SD memory card
inserted, you can see the name of the SD
memory card instead of SD
.
SD memory card and USB device41
Audio
Z
XPress the:button repeatedly until the
menu bar is selected.
XSelect BT Audio.
The currently selected playback option is
indicated by the #dot.
XTo select a playback option : selectNor‐
mal Track SequenceorRandom Tracks.
You will hear the tracks in the desired play-
back option. If you have selected Random
Tracks, the display in the display/selec-
tion window shows Random
in front of the
symbol for the audio device.
XTo exit the menu: press the%button.
Setting the volume
If you play audio files from a Bluetooth®
device, it is possible that the volume may
need to be significantly increased. You can
therefore select from two volume options:
Volume
optionOperation
StandardThe Bluetooth®device is
played back at a normal vol-
ume.
BoostThe Bluetooth®device is
played back louder.
XPress the :button repeatedly until the
menu bar is selected.
XSelect BT Audio.
XSelectVolume.
The current volume option is identified by
the #dot.
XTo select the volume option : select
Standard
or Boost.
You have set the volume option.
XTo exit the menu : press the%button.
AUX function
Connecting an external device
You can connect an external device to Audio
15 and play it back via the speakers.
The AUX jack intended for this purpose
(3.5 mm stereo audio jack) is located in the
stowage compartment on the driver's side of
the dashboard.
XConnect an external device to the AUX
jack.
iAn adapter cable is required for the AUX
jack.
iIf you connect an external device, Audio
15 does not automatically switch over to
the AUX function.
Selecting the AUX function
XPress the Õbutton repeatedly until the
display shows Aux
.
Audio 15 plays the external device and pro-
duces sound through the loudspeakers
again.
AUX function47
Audio
Z
