Page 138 of 179
138Introduction
18 AUX..................................... 157
Change 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
Page 139 of 179

Introduction139UsageControl 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 3 136
■ audio controls on the steering wheel 3 136.
Switching the Infotainment
system on or off Press the X knob briefly. After
switching on, the last selected
Infotainment source becomes active.
Press the X knob again to turn the
system off.
Automatic switch-off
If the Infotainment system is switched on using the X knob while the ignition
is turned off, it will switch off again
automatically 10 minutes after the last
user input.Setting the volume
Turn the m knob. 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 3 143
■ the volume of traffic announcements 3 143.
Speed compensated volume
When speed compensated volume is
activated 3 143, the volume is
adapted automatically to make up for
the road and wind noises as you
drive.
Mute function
Press the PHONE button (if Phone
portal available: press for a few
seconds) to mute the audio sources.To cancel the mute function: turn the
m knob or press the PHONE button (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 the RADIO button 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 3 145.
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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 PHONE 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 knobThe 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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142Introduction
Adjusting a setting
Turn the multifunction knob to adjust
the setting.
Press the multifunction knob to
confirm the setting.
Switching a function on or off
Turn the multifunction knob to mark
the function to be switched on or off.
Press the multifunction knob to switch
between the settings On and Off.
Entering a character sequence
To enter character sequences, e.g.
PIN codes or telephone numbers:
Turn the multifunction knob to mark
the desired character.
Press the multifunction knob to
confirm the marked character.
The last character in the character
sequence can be deleted by selecting
k on the display or pressing the
BACK button. Pressing and holding
the BACK button deletes the entire
entry.
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144Introduction
Adjusting the maximum startup
volume Press the CONFIG button to open the
Settings menu.
Select Radio settings and then
Maximum startup volume .
Set the desired value.
Adjusting the volume of traffic
announcements
The volume of traffic announcements
can be preset to increase or decrease in proportion to the normal audio
volume.
Press the CONFIG button to open the
Settings menu.
Select Radio settings , RDS options
and then TA volume .
Set the desired value.
Adjusting the volume of the ring
tone
Press the CONFIG button to open the
Settings menu.
Select Phone settings , Sound &
Signals and then Ring Volume .
Set the desired value.
Page 161 of 179

Bluetooth music161Bluetooth musicGeneral information...................161
Operation ................................... 161General information
Bluetooth enabled audio sources (e.g. music mobile phones, MP3
players featuring Bluetooth, etc.)
which support the Bluetooth music
protocol A2DP can be connected
wirelessly to the Infotainment system.
Important information ■ The Infotainment system only connects to Bluetooth devices that
support A2DP (Advanced Audio
Distribution Profile) version 1.2 or
higher.
■ The Bluetooth device must support
AVRCP (Audio Video Remote
Control Profile) version 1.0 or
higher. If the device does not
support AVRCP, only the volume
can be controlled via the
Infotainment system.
■ Before connecting the Bluetooth device to the Infotainment system,
become acquainted with its user
guide for Bluetooth functions.Operation
Prerequisites
The following prerequisites must be
met in order to use the Bluetooth
music mode of the Infotainment
system:
■ The Bluetooth function of the Infotainment system must be
activated 3 164.
■ The Bluetooth function of the external Bluetooth audio source
must be activated (see user guide
of the device).
■ Depending on the external Bluetooth audio source, it may be
required to set the device to
"visible" (see user guide of the
device).
■ The external Bluetooth audio source must be paired and
connected to the Infotainment
system 3 164.
Page 163 of 179

Phone163PhoneGeneral information...................163
Bluetooth connection .................164
Emergency call .......................... 166
Operation ................................... 166
Mobile phones and CB radio
equipment .................................. 170General information
The Phone portal provides you with
the possibility of having mobile phone conversations via a vehicle
microphone and the vehicle
loudspeakers as well as operating the
most important mobile phone
functions via the Infotainment system in the vehicle. To be able to use the
Phone portal, the mobile phone must
be connected to the Infotainment
system via Bluetooth.
Not all Phone portal functions are
supported by every mobile phone.
The possible phone functions depend on the relevant mobile phone and
network provider. You will find further
information on this in the operating
instructions for your mobile phone or you can enquire about them with your network provider.Important information for
operation and traffic safety9 Warning
Mobile phones have effects on
your environment. For this reason, safety regulations and directions
have been prepared. You should
be familiar with the related
directions before you use the
telephone function.
9 Warning
Use of the hands-free facility while
driving can be dangerous because
your concentration is reduced
when telephoning. Park your
vehicle before you use the hands- free facility. Follow the stipulations
of the country in which you find
yourself at present.
Do not forget to follow the special
regulations that apply in specific areas and always switch off the
mobile phone if the use of mobile
Page 164 of 179

164Phonephones is prohibited, if
interference is caused by the
mobile phone or if dangerous
situations can occur.
Bluetooth
The Phone portal is certified by the
Bluetooth Special Interest Group
(SIG).
You will find further information about the specification on the Internet at
http://www.bluetooth.com
Bluetooth connection Bluetooth is a radio standard for the
wireless connection of e.g. a
telephone with other devices. Data
such as a telephone book, call lists,
the network operator's name, and
field strength can be transferred. The
functionality can be restricted
depending on the telephone type.
To be able to set up a Bluetooth
connection with the Phone portal, the
Bluetooth function of the mobile
phone must be activated and the
mobile phone must be set to "visible".
Find a detailed description in the
operating instructions for the mobile
phone.
Activating BluetoothPress the CONFIG button to open the
Settings menu.
Select Phone settings .
Set Bluetooth to On.
Pairing a Bluetooth device
Press the CONFIG button to open the
Settings menu. Select Phone
settings and then Pair device .
The following display is shown.
As soon as the Phone portal of the
Infotainment system is detected, it
appears in the device list of your
Bluetooth device. Select the Phone
portal.
Upon request, enter the PIN code on
your Bluetooth device. The devices
are paired and connected.
Notice
Your mobile phone book will be
downloaded automatically. The
presentation and order of the
telephone book entries may be
different on the Infotainment
system's display and the mobile
phone's display.