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 139 of 175
Introduction139Turn the multifunction knob to move
the cursor (= coloured background) to
the desired option.
Press the multifunction knob to select
the marked option.
Submenus
An arrow on the right-hand edge of
the menu indicates that after
selection of the option a submenu
with further options will be opened.
Activating a setting
Turn the multifunction knob to mark
the desired setting.
Press the multifunction knob to
activate the setting.
Setting a value
Turn the multifunction knob to change the current value of the setting.
Press the multifunction knob to
confirm the set value.
The cursor then switches to the next
value. If all values are set, you are
automatically returned to the next
higher menu level.
Adjusting a setting
Turn the multifunction knob to adjust
the setting.
Press the multifunction knob to
confirm the setting.
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140IntroductionSwitching 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 BACK
on the instrument panel. Pressing
and holding BACK deletes the entire
entry.
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 TONE to open the tone settings
menu.
Setting bass, midrange, and
treble
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.
Page 141 of 175

Introduction141Selecting 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 TONE 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 CONFIG 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.
Adjusting the maximum startup
volume
Press CONFIG 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 CONFIG 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 CONFIG to open the Settings
menu.
Select Phone settings , Sound &
Signals and then Ring Volume .
Set the desired value.
Page 142 of 175

142RadioRadioUsage........................................ 142
Station search ............................ 142
Autostore lists ............................ 143
Favourite lists ............................. 143
Waveband menus ......................144
Radio data system (RDS) ..........147
Digital audio broadcasting .........148Usage
Activating the radio
Press RADIO to open the radio main
menu.
The station last played will be
received.
Selecting the waveband
Press RADIO once or several times to
select the desired waveband.
The station last played in that
waveband will be received.
Station search
Automatic station search
Briefly press s or u to play the
previous or next station in the station
memory.
Manual station search
Press and hold s or u . Release
the respective button when the
required frequency has almost been
reached on the frequency display.
A search is made for the next station that can be received and it is played
automatically.
Notice
Manual station search: If the radio
does not find a station, it switches
automatically to a more sensitive
search level. If it still does not find a
station, the frequency that was last
active is set again.
Notice
FM waveband: when the RDS
function is activated, only RDS
stations 3 147 are searched for, and
Page 143 of 175

Radio143when the radio traffic service (TP) is
activated, only traffic service
stations 3 147 are searched for.
Manual station tuning
In the radio main menu, press the
multifunction knob to open the
respective waveband menu and
select manual tuning, e.g. FM manual
tuning .
On the pop-up frequency display, turn the multifunction knob and set the
optimal reception frequency.
Autostore lists The stations received best in a
waveband can be searched for and
stored automatically via the autostore
function.
Each waveband has 2 autostore lists ( AS-Stations 1 , AS-Stations 2 ), in
each of which 6 stations can be stored.
Notice
The currently received station is
marked by i.
Automatic station storing
Keep AS 1-2 pressed until an
autostore message is displayed. The 12 strongest stations in the current
waveband will be stored in the
2 autostore lists.
To cancel the autostore procedure,
press the multifunction knob.
Storing stations manuallyStations can also be stored manually
in the autostore lists.
Set the station to be stored.
Briefly press AS 1-2 once or several
times to switch to the desired list.
To store the station in a list position:
press the corresponding station
button 1... 6 until a confirmation
message is displayed.
Notice
Manually stored stations are
overwritten in an automatic station
storing process.
Retrieving a station
Briefly press AS 1-2 once or several
times to switch to the desired list.
Briefly press one of the station
buttons 1... 6 to open the station at the
corresponding list position.
Favourite lists
Stations of all wavebands can be
stored manually in the favourite lists.
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144Radio
6 stations can be stored in each
favourite list. The number of available favourite lists can be set (see below).
Notice
The currently received station is
marked by i.
Storing a station Set the station to be stored.
Briefly press FAV 1-2-3 once or
several times to switch to the desired
list.
To store the station in a list position:
press the corresponding station
button 1... 6 until a confirmation
message is displayed.
Retrieving a station
Briefly press FAV 1-2-3 once or
several times to switch to the desired list.
Briefly press one of the station
buttons 1... 6 to open the station at the
corresponding list position.
Defining the number of available
favourite lists
Press CONFIG to open the Settings
menu.
Select Radio settings and then Radio
favourites to open the menu Max.
number of favourites pages .
Select the desired number of
available favourite lists.
Waveband menus Alternative facilities for station
selection are available via waveband
specific menus.
Notice
The following displays are shown as
examples.
Stations lists
When in a radio main menu, turn the
multifunction knob to open the
stations list of the respective
waveband.
All receivable FM, AM or DAB
stations in the current reception area are displayed.