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.
Radio147Radio data system (RDS)
RDS is a service of FM stations that considerably facilitates the finding of
the desired station and its fault-free
reception.
Advantages of RDS ● On the display, the programme name of the set station appears
instead of its frequency.
● During a station search, the Infotainment system tunes in to
RDS stations only.
● The Infotainment system always tunes into the best receivable
broadcasting frequency of the set station by means of AF
(Alternative Frequency).
● Depending on the station that is received, the Infotainment
system displays radio text that
can contain, e.g. information
about the current programme.
Configuring RDS Press CONFIG to open the Settings
menu.Select Radio settings and then RDS
options .
Set RDS to On or Off.
Notice
If RDS is switched off, it will be
automatically switched on again when a radio station is changed (bysearch function or preset button).
Notice
The following options are only
available, if RDS is set to On.
RDS options
Switching regionalisation on and off
At certain times some RDS stations
broadcast regionally different
programmes on different frequencies.
Set Regional to On or Off.
If regionalisation is switched on, only alternative frequencies (AF) with the
same regional programmes are
selected.
If regionalisation is switched off,
alternative frequencies of the stations
are selected without regard to
regional programmes.
RDS scrolling text
Some RDS stations hide the
programme name in the display line
in order to display additional
information.
To prevent additional information
being displayed:
Set Text scroll freeze to On.
Radio text
If the RDS function is activated and a RDS station is currently received,
information about the current
