Page 110 of 175

110USB portUSB portGeneral information...................110
Playing saved audio files ...........110General information
In the centre console there is a USB socket for the connection of external
audio data sources.
Devices connected to the USB port
are operated via the controls and
menus of the Infotainment system.
Notice
The socket must always be kept clean and dry.
Important information
The following devices can be
connected to the USB port:
● iPod
● Zune
● PlaysForSure device (PFD) ● USB drive
Notice
Not all iPod, Zune, PFD or USB drive models are supported by the
Infotainment system.Playing saved audio files
Press AUX once or several times to
activate the USB mode.
Playback of the audio data stored on
the USB device is started.
The operation of data sources
connected via USB is generally the same as for an audio MP3 CD 3 106.
On the following pages only the
aspects of operation that are
different/additional are described.
Operation and the screen displays
are described for USB drives only.
Operation of other devices, e.g. iPod
or Zune is generally the same.
Page 129 of 175

129control elements......................117
dialling a number .....................123
emergency calls ......................122
functions during a call .............123
handsfree mode ......................118
important information ..............117
messaging functions ...............123
recharging the battery .............117
setting the volume ...................123
SIM Access Profile (SAP) .......118
telephone book ....................... 123
Phone control ............................. 113
Playing saved audio files ............110
R Radio Radio data system (RDS) .......101
activating ................................... 96
autostore lists ............................ 97
Digital audio broadcasting
(DAB) ...................................... 103
favourite lists ............................. 97
selecting the waveband ............96
station lists ................................ 98
station search ............................ 96
usage ........................................ 96
waveband menus ......................98
Radio data system (RDS) ..........101
RDS ............................................ 101
Recharging the phone battery ....117Regionalization ........................... 101
Retrieving stations ........................97
S SAP mode .................................. 118
Selecting the waveband ...............96
Setting the volume ........................88
SIM Access Profile (SAP) ...........118
Speech recognition .............112, 113
activating ................................. 113
phone control .......................... 113
usage ...................................... 113
volume for voice output ...........113
Speed compensated volume ........88
Starting CD playback ..................106
Station search............................... 96
Storing stations ............................. 97
Switching the Infotainment system on or off......................... 88
Switching the radio on ..................96
T
Theft-deterrent feature ................. 81
Tone settings ................................ 93
Traffic announcements .................95
U Updating station lists ....................98
Usage ..................... 88, 96, 106, 109
Using the AUX input ...................109
Using the CD player ...................106Using the Infotainment system .....88
Using the radio ............................. 96
Using the USB port .....................110
V Voice recognition ........................112
Volume for voice output ..............113
Volume settings ............................ 95
W
Waveband menus......................... 98
Page 131 of 175
Introduction................................ 132
Radio ......................................... 142
CD Player .................................. 151
AUX input ................................... 154
USB port .................................... 155
Bluetooth music ......................... 158
Phone ........................................ 160
Index .......................................... 168CD 400plus
Page 136 of 175

136Introduction18 AUX..................................... 154
Change audio source ..........154Steering wheel audio controls
1qw
Short press: take phone call 160
or dial number in call list .....163
Long press: show call list ....163
2 SRC (Source) ...................... 137
Press: select audio source ..137
With radio active: turn
upwards/downwards to
select next/previous
preset radio station .............142
With CD player active: turn
upwards/downwards to
select next/previous CD/
MP3/WMA track ..................152
With Phone portal active:
turn upwards/downwards
to select next/previous
entry in call list ....................163
With Phone portal active
and calls waiting: turn
upwards/downwards to
switch between calls ...........163
3 w
Increase volume .................. 137
4 ─
Reduce volume ...................137
5 xn
Short press: end/decline
call ....................................... 163
or close call list .................... 163
or activate/deactivate mute . 137
Page 137 of 175

Introduction137Usage
Control elements
The Infotainment system is operated
via function buttons, a multifunction
knob and menus that are shown on
the display.
Inputs are made optionally via: ● the control panel on the Infotainment system 3 134
● audio controls on the steering wheel 3 134
Switching the Infotainment
system on or off
Press X briefly. After switching on,
the last selected Infotainment source becomes active.
Press X again to turn the system off.
Automatic switch-off
If the Infotainment system is switched
on pressing X while the ignition is
turned off, it will switch off again automatically 10 minutes after the last user input.Setting the volume
Turn m. The current setting is shown
on the display.
When the Infotainment system is
switched on, the last selected volume is set, provided this setting is lower
than the maximum start-up volume
(see below).
The following inputs can be made
separately:
● the maximum start-up volume 3 141
● the volume of traffic announcements 3 141
Speed compensated volume
When speed compensated volume is
activated 3 141, the volume is
adapted automatically to make up for
the road and wind noises as you
drive.
Mute function
Press PHONE (if Phone portal
available: press for a few seconds) to mute the audio sources.To cancel the mute function: turn m or
press PHONE (if Phone portal
available: press for a few seconds).
Volume limitation at high
temperatures
At very high temperatures inside the
vehicle the Infotainment system limits
the maximum adjustable volume. If
necessary, the volume is decreased
automatically.
Modes of operation
Radio
Press RADIO to open the radio main
menu or to change between the
different wavebands.
Press the multifunction knob to open
the waveband menus with options for the station selection.
For a detailed description of the radio functions 3 142.
Audio players
Press CD or AUX once or several
times to open the USB, iPod or AUX main menu (if available) or to switch
between these menus.
Page 138 of 175

138IntroductionPress the multifunction knob to open
the relevant menus with options for
the track selection.
For a detailed description of CD
player functions 3 151, AUX
functions 3 154, USB port functions
3 155 and Bluetooth music functions
3 158.
Phone
Press PHONE 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 3 160.
System settings Adjusting the language
The menu texts on the Infotainment
system's display can be displayed in
various languages.
Press CONFIG to open the Settings
menu.
Select Languages 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 3 138.
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/offBACK button
Press BACK briefly:
● to exit a menu
● to return from a submenu to the next higher menu level
● to delete the last character in a character sequence
Press and hold BACK for a few
seconds to delete the entire entry.
Examples of menu operation
Selecting an option
Page 154 of 175
154AUX inputAUX inputGeneral information...................154
Usage ........................................ 154General information
On the control panel of the
Infotainment system 3 134, 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 AUX once or several times to
activate the AUX mode.Turn m of the Infotainment system to
adjust the volume.
All other functions can be operated
only via the control elements of the
audio source.
Page 156 of 175

156USB portand 24 kHz, 22.05 kHz, 16kHz
(for MPEG-2).
● The following restrictions apply to
the data stored on external
devices connected to the USB
port:
Number of tracks: max. 999.
Number of tracks per folder level: max. 512.
Folder structure depth: max.
10 levels.
WMA files with Digital Rights
Management (DRM) from online
music shops cannot be played.
WMA files can only be played
safely, if they were created with
Windows Media Player
version 9 or later.
Applicable playlist
extensions: .m3u, .pls, .wpl.
Playlist entries must be in the
form of relative paths.
The system attribute for folders/
files that contain audio data must not be set.Playing saved audio files
Press AUX once or several times to
activate the MP3 or iPod mode.
Playback of the audio data stored on
the device is started automatically.
Using the device-specific menu
Press the multifunction knob to open
the menu of the device currently
connected.
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.