Page 138 of 175

138Introduction
18 AUX..................................... 157
Change to external audio
source ................................. 157Steering wheel audio controls
1Short press: take phone call 163
or dial number in call list .....166
Long press: show call list ....166
2 SRC (Source) ...................... 139
Press: select audio source ..139
With radio active: turn
upwards/downwards to
select next/previous
preset radio station .............145
With CD player active: turn
upwards/downwards to
select next/previous CD/
MP3/WMA track ..................155
With Phone portal active:
turn upwards/downwards
to select next/previous
entry in call list ....................166
With Phone portal active
and calls waiting: turn
upwards/downwards to
switch between calls ...........166
3 Increase volume .................. 139
4 Reduce volume ...................139
5 Short press: end/decline
call ....................................... 166
or close call list .................... 166
or activate/deactivate mute . 139
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140Introduction
Audio players
Press the CD or AUX button once or
several times to open the USB, iPod
or AUX main menu (if available) or to
switch between these menus.
Press the multifunction knob to open
the relevant menus with options for
the track selection.
For a detailed description of CD
player functions 3 154, AUX
functions 3 157, USB port functions
3 158 and Bluetooth music functions
3 161.
Phone
Press the 7 / i button briefly to open
the telephone menu.
Press the multifunction knob to open
the phone menu with options for the
input and selection of numbers.
For a detailed description of the
Phone portal 3 163.System settings
Adjusting the language
The menu texts on the Infotainment
system's display can be displayed in
various languages.
Press the CONFIG button to open the
Settings menu.
Select the Languages menu item in
the Settings menu to display the
respective menu.
Choose the desired language for the
menu texts.
Notice
For a detailed description of menu
operation 3 140.
Time and date settings
For a detailed description, refer to your Owner's Manual.
Basic operation
Multifunction knob The multifunction knob is the central
control element for the menus.Turn the multifunction knob:
■ to mark a menu option
■ to set a numeric value.
Press the multifunction knob: ■ to select or activate the marked option
■ to confirm a set value
■ to switch a system function on/off.
BACK button Press the BACK button briefly to:
■ exit a menu
■ return from a submenu to the next higher menu level
■ delete the last character in a character sequence.
Press and hold the BACK button for a
few seconds to delete the entire entry.
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Introduction143
To change the position of the cursor
in the character sequence already
entered, select ◀ or ▶ on the display.
Tone settings In the tone settings menu the tone
characteristics can be set differently
for each radio waveband and each
audio player source.
Press the TONE button to open the
tone settings menu.
Setting bass, midrange, andtreble
Scroll through the list and select
Bass , Midrange or Treble .
Set the desired value for the selected
option.
Setting the volume distribution
between front and rear
Scroll through the list and select
Fader .
Set the desired value.Setting the volume distribution between right and left
Scroll through the list and select
Balance .
Set the desired value.
Selecting a tone styleScroll through the list and select EQ
(Equaliser). The EQ presets menu is
displayed.
The displayed options offer optimised
bass, middle, and treble presettings
for the relevant style of music.
Select the desired option.
Setting an individual setting to
"0"
Select the desired option and press
the multifunction knob for a few
seconds.
The value is reset to "0".
Setting all settings to "0" or
"OFF"
Press the TONE button for a few
seconds.
All values are reset to "0", the EQ
preset is set to " OFF".
Volume settings Adjusting the speed
compensated volume
Press the CONFIG button to open the
Settings menu.
Select Radio settings and then Auto
volume control .
The Auto volume control function can
be deactivated or the degree of the
volume adaptation can be selected in the menu displayed.
Select the desired option.
Page 154 of 175

154CD PlayerCD PlayerGeneral information...................154
Usage ........................................ 155General information
The Infotainment system's CD player
can play audio CDs and MP3/WMA
CDs.
Important informationCaution
Under no circumstances place
single-CDs with a diameter of 8 cm
or shaped CDs in the audio player.
You must not put any stickers on
CDs. These discs can get jammed
in the CD drive and ruin the player.
Replacement of the device will
then be necessary.
■ The following CD formats can be used:
CD-ROM Mode 1 and Mode 2.
CD-ROM XA Mode 2, Form 1 and
Form 2.
■ The following file formats can be used:
ISO 9660 Level 1, Level 2 (Romeo,
Joliet).
MP3 and WMA files written in any format other than listed above may
not play correctly and their file
names and folder names may not
be displayed correctly.
■ Audio CDs with copy protection, which are not in compliance with
the audio CD standard, may not
play correctly or not at all.
■ Self-recorded CD-Rs and CD-RWs
are more vulnerable to mishandling
than prerecorded CDs. Correct
handling, especially in the case of
self-recorded CD-Rs and CD-RWs, must be ensured (see below).
■ Self-recorded CD-Rs and CD-RWs
may not play correctly or not at all.
In such cases it is not the
equipment that is at fault.
■ On mixed mode CDs (audio tracks and compressed files, e.g. MP3,
are stored), the audio tracks part
and the compressed files part can
be played separately.
■ Avoid leaving fingerprints when you
change CDs.
Page 155 of 175

CD Player155
■ Put CDs back in their sleevesimmediately after removing them
from the CD player in order to
protect them from damage and dirt.
■ Dirt and liquids on CDs can smear the lens of the CD player inside the
device and cause faults.
■ Protect CDs from heat and direct sunlight.
■ The following restrictions apply to MP3/WMA CDs:
Bit rate: 8 kbit/s - 320 kbit/s.
Sampling frequency: 48 kHz,
44.1 kHz, 32 kHz (for MPEG-1) and
24 kHz, 22.05 kHz, 16kHz (for
MPEG-2).
■ The following restrictions apply to the data stored on an MP3/WMA
CD:
Number of tracks: max. 999.
Number of tracks per folder level:
max. 512.
Folder structure depth: max.
10 levels.Notice
This chapter deals only with playing
MP3 files since the operation for
MP3 and WMA files is identical.
When a CD with WMA files is loaded
MP3 related menus are displayed.
Usage
Starting CD playback Press the CD button once or several
times to open the CD or MP3 main
menu.
If there is a CD in the CD player, CD
playback is started.
Depending on the data stored on the
audio CD or MP3 CD, differing
information about the CD and the current music track will be shown on
the display.
Inserting a CD
Insert a CD with the printed side
facing up into the CD slot until it is
drawn in.
Notice
If a CD is inserted, 0 is shown on the
display.
Skipping to the next or previous
track
Briefly press the buttons s or u .
Fast forward or rewind Press the buttons s or u and
hold them down to fast forward or fast
rewind the current track.
Selecting tracks using the audio CD menu
Press the multifunction knob to open
the CD menu .
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156CD Player
Shuffle songs
To play all tracks in a random order:
set this function to On.
Notice
If this function is activated, 2 is
shown in the respective main menu.
Repeat
To repeatedly listen to a track: set this
function to On.
Notice
If this function is activated, 1 is
shown in the respective main menu.
Track list
To select a track on the CD: select
Track list and then select the desired
track.
Folders
To select a track from a folder: select
Folders . A list of the folders stored on
the CD is displayed.
Select one of the folders and then
select the desired track.
Notice
This menu item is only available, if
an MP3 CD is inserted.
Search...
To open a menu for track search and selection: select Search....
Select one of the categories and then
select the desired track.
Notice
This menu item is only available, if
an MP3 CD is inserted.
Removing a CD
Press the d button.
The CD is pushed out of the CD slot.If the CD is not removed after
ejection, it will be drawn back in again automatically after a few seconds.
Page 157 of 175
AUX input157AUX inputGeneral information...................157
Usage ........................................ 157General information
On the control panel of the
Infotainment system 3 136, there is
an AUX input for the connection of
external audio sources.
It is possible, for example, to connect a portable CD player with a 3.5 mm
jack plug to the AUX input.
Notice
The socket must always be kept
clean and dry.
Usage
Press the AUX button once or several
times to activate the AUX mode.Turn the m knob of the Infotainment
system to adjust the volume.
All other functions can be operated
only via the control elements of the
audio source.
Page 158 of 175

158USB portUSB portGeneral information...................158
Playing saved audio files ...........159General information
In the centre console below the
climate controls there is a USB socket for the connection of external audio
data sources.
Notice
The socket must always be kept
clean and dry.
An MP3 player, USB drive, SD card
(via USB connector/adapter), or iPod
can be connected to the USB port.
When connected to the USB port,
various functions of the above
devices can be operated via the
controls and menus of the
Infotainment system.
Notice
Not all MP3 player, USB drive, SD
card or iPod models are supported
by the Infotainment system.
Important information ■ The external devices connected to the USB port must comply with the
USB Mass Storage Class
specification (USB MSC).■ Devices connected via USB are supported according to USB
Specification V 2.0. Maximum
supported speed: 12 Mbit/s.
■ Only devices with a FAT16/FAT32 file system are supported.
■ Hard disk drives (HDD) are not supported.
■ USB hubs are not supported.
■ The following file formats can be used:
ISO9660 Level 1, Level 2 (Romeo,
Joliet).
MP3 and WMA files written in
another format than listed above
may not play correctly, and their file names and folder names may not
be displayed correctly.
■ The following restrictions apply to the files stored on the external
device:
Bit rate: 8 kbit/s - 320 kbit/s.
Sampling frequency: 48 kHz,
44.1 kHz, 32 kHz (for MPEG-1) and