Page 5 of 54
Index....................................................... 4
Introduction........................................... 7
At a glance............................................. 9
System settings.................................. 17
Navigation system..............................27
Telephone............................................ 29
Audio.................................................... 37
Technical data..................................... 49
Contents3
Page 10 of 54

1. These devices may not cause interfer-
ence, and
2. These devices must accept any interfer-
ence, including interference that may
cause undesired operation of the device.
Information on copyright
Registered trademarks
Bluetooth®technology is the standard for
short-range wireless data transmission of up
to approximately 10 meters.
Bluetooth
®is a registered trademark of Blue-
tooth Special Interest Group (SIG) Inc.
An SD memory card is a digital storage
medium.
SD memory cards carry the logo displayed
above. This logo is a registered trademark of
SanDisk Corporation.
Qualified specialist workshops
Always have all work on or modifications to
electronic components carried out at a quali-
fied specialist workshop. This workshop has
the necessary specialist knowledge and tools
to carry out the work required. In particular,
work relevant to safety or on safety-related
systems must be carried out at a qualified
specialist workshop. An authorized Mercedes-Benz Center is a
qualified specialist workshop.
Protection against theft
This device is equipped with technical provi-
sions to protect it against theft.
Further information on protection against
theft can be obtained from an authorized
Mercedes-Benz Center.
Cleaning
To clean, use a slightly damp cloth. The cloth
must be soft and lint-free. For stubborn dirt,
you can use a mild cleaning agent. In partic-
ular, do not clean the display with alcohol,
acid or an abrasive cleaning agent.
8Introduction
Page 42 of 54

Calling up stations using the station list
XPress the$button to select the wave-
band.
XPress the :button repeatedly until the
menu bar is selected.
XSelect Presets.
The display shows a list of the stored sta-
tions. The #dot indicates the current sta-
tion.
XSelect the desired station.
You will hear the station stored in the selec-
ted preset, if it is receivable.
Calling up a station using the control knob
XPress the $button to select the wave-
band.
XSelect display/selection window.
XSelect the desired stored station using the
control knob.
You will hear the station stored in the selec- ted preset, if it is receivable.
Switching wavebands
Audio 15 can receive the following wave-
bands:
WavebandFrequency
FM (VHF)87.7 – 107.9 MHz
MW (medium wave)530 – 1710 kHz
XPress the $button repeatedly until the
display shows the desired waveband.
or
XPress the :button repeatedly until the
menu bar is selected.
XSelect the current waveband (e.g FM).
The display shows a list of the wavebands.
The #dot indicates the current wave-
band.
XSelect the desired waveband.
Audio 15 switches waveband and plays the last station selected.
SD memory card and USB device
Important safety notes
GWARNING
SD memory cards are small parts. They can be
swallowed and cause asphyxiation. This
poses an increased risk of injury or even fatal injury.
Keep SD memory cards out of the reach of
children. If an SD memory card is swallowed,
seek immediate medical attention.
Inserting/ejecting an SD memory
card
Inserting an SD memory card
XInsert the SD memory card into the SD slot with the contacts at the front and facing
downwards.
Audio 15 automatically activates SD mode
and loads the files.
The display shows Reading Memory
Card....
iIf Audio 15 cannot find any readable files
on the SD memory card, the display shows
No Playable Files
.
Information on readable file formats can be
found in the technical data (
Ypage 50).
40SD memory card and USB device
Audio
Page 43 of 54

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
Page 51 of 54
Requirements for SD memory
cards/USB devices.............................50
Supported file formats .......................50
Apple device support ..........................50
SD memory card/USB device file
structure .............................................. 50
49
Technical data
Page 52 of 54

Requirements for SD memory
cards/USB devices
SD memory cards
ModelSD, SDHC
Capacitymax. 32 GB
FormatFAT/FAT32
iSD memory cards are available in many
different sizes. Therefore, it cannot be guar-
anteed that playback is possible with every SD memory card.
USB devices
The following USB devices are supported:
RUSB sticks
Rcertain MP3 players
ModelUSB 2.0
FormatFAT/FAT32, maximum
of 4 primary partitions
Electrical con-
sumption800 mA
iUSB devices are available in many differ-
ent sizes. Therefore, it cannot be guaran-
teed that playback is possible with every
USB device.
iDo not use a USB extension cable.
iDo not use a spiral cable for the USB port.
Supported file formats
SD memory card/
USB deviceMP3, AAC, WMA, WAV,
MP4, M4A, M4B (max-
imum 2 channels)
BT AudioSBC, MP3
iTo shorten the initialization period, only
load music files onto the USB device, if
possible.
iUnsupported file formats are not dis-
played.
Audio 15 does not support any DRM (Digital
Rights Management) coded files.
Apple device support
You can play music files stored on Apple devi-
ces via AUX, USB or BT Audio. The following
Apple devices are supported:
RiPod®classic, 6th generation onwards
(limited support for 5th generation)
RiPod®nano, 3rd generation onwards (limi-
ted support for 1st and 2nd generations)
RiPod®touch
RiPhone®
iiPod®and iPhone®are registered trade-
marks of Apple Inc., Cupertino, California,
USA.
SD memory card/USB device file
structure
Maximum number
of folders per direc-
tory200
Maximum number
of tracks per direc-
tory1000
Maximum number
of tracks in "Ran-
dom tracks" random
playback300
50SD memory card/USB device file structure
Technical data