Page 47 of 79
Introduction.................................. 48
Basic operation ............................ 56
Radio ........................................... 60
External devices .......................... 65
Speech recognition ......................68
Phone .......................................... 69
Index ............................................ 76R300 BT
Page 48 of 79

48IntroductionIntroductionGeneral information.....................48
Theft-deterrent feature .................49
Control elements overview ..........50
Usage .......................................... 54General information
The Infotainment system provides
you with state-of-the-art in-car
infotainment.
Using the radio tuner functions, you
can register a large number of
stations on different favourites pages.
You can connect external data
storage devices to the Infotainment
system as further audio sources;
either via a cable or via Bluetooth ®
.
The digital sound processor provides
you with several preset equaliser
modes for sound optimisation.
In addition, the Infotainment system is equipped with a Phone portal that
allows comfortable and safe use of
your mobile phone in the vehicle.
Optionally, the Infotainment system
can be operated using the control
panel or the controls on the steering
wheel.
If provided by your mobile phone, the system can also be operated via
speech recognition.Notice
This manual describes all options
and features available for the
various Infotainment systems.
Certain descriptions, including those
for display and menu functions, may not apply to your vehicle due to
model variant, country
specifications, special equipment or
accessories.
Important information on
operation and traffic safety9 Warning
Drive safely at all times when
using the Infotainment system.
If in doubt, stop the vehicle before operating the Infotainment
system.
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Introduction511X........................................... 54
If switched off: short press:
switch power on
If switched on: short press: mute system; long press:
switch power off
Turn: adjust volume
2 RADIO
Activate radio or change
waveband .............................. 60
3 MEDIA
Activate media or change
media source ........................ 67
4 t v
Radio: short press: skip to
previous or next station;
press and hold: seek down or up ...................................... 60
External devices: short
press: skip to previous or
next track; press and hold:
rewind or fast forward ...........675PHONE
Short press: open phone
menu ..................................... 69
6 BACK
Menu: one level back ............56
Input: delete last character
or entire entry ........................ 56
7 MENU ................................... 56
Turn: mark screen buttons or menu items; set
numeric values
Press: select/activate a
marked screen button or
menu item; confirm set
value; switch to different
setting option; open
application-specific menu
(if available)8 Softkeys
Favourites: press: select
favourites; press and hold:
save radio stations as
favourites .............................. 61
Menu: press: select corresponding screen
button .................................... 56
9 FAV
Press: display favourites
bar ......................................... 61
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54IntroductionSteering wheel audio controls
1qw
Short press: accept phone
call ......................................... 69
or dial number in call list .......72
or switch between calls
when Phone portal active
and calls waiting: ................... 72
Long press: activate
speech recognition ................68
2 SRC (Source) ........................ 54
Press: select audio source ....54
With radio active: turn
upwards/downwards to
select next/previous
preset radio station ...............60
With Phone portal active
and call list open: turn
upwards/downwards to
select next/previous entry
in call list ............................... 72
3 w
Increase volume .................... 54
4 ─
Reduce volume .....................54
5 xn
Short press: end/decline
call ......................................... 72
or close call list ...................... 72
or deactivate speech
recognition ............................ 68
or activate/deactivate mute ...54Usage
Control elements
The Infotainment system is operated
via function buttons, a MENU knob
and menus that are shown on the display.
Inputs are made optionally via: ● the control panel on the Infotainment system 3 50
● audio controls on the steering wheel 3 50
● the speech recognition 3 68
Switching the Infotainment
system on or off
Press X briefly. After switching on,
the last selected Infotainment source
becomes active.
Press and hold X again to turn the
system off.
Automatic switch-off
If the Infotainment system is switched
on by pressing X while the ignition is
switched off, it switches off again
automatically after 10 minutes.
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Introduction55Setting the volumeTurn m; the current setting is shown
on the display.
When the Infotainment system is
switched on, the last selected volume is set, provided that the volume is
lower than the maximum start-up
volume 3 57.
Speed compensated volume
When Auto volume is activated
3 57, the volume is adapted
automatically to make up for the road
and wind noises as you drive.
Mute function
Press m to mute the audio sources.
To cancel the mute function: turn m.
Modes of operation Radio
Press RADIO to open the radio main
menu or to toggle between the
different wavebands.
For a detailed description of the radio
functions 3 60.External devices
Press MEDIA repeatedly to activate
the playback mode for a connected
external device.
For a detailed description on
connecting and operating external
devices 3 65.
Phone
Press PHONE to establish a
Bluetooth connection between the
Infotainment system and a mobile phone.
If a connection can be established,
the main menu of the phone mode is
displayed.
For a detailed description of mobile
phone operation via the Infotainment
system 3 72.
If no connection can be established,
a corresponding menu is displayed.
For a detailed description of
preparing and establishing a
Bluetooth connection between the
Infotainment system and a mobile
phone 3 70.
Page 65 of 79

External devices65External devicesGeneral information.....................65
Playing audio ............................... 67General information
A USB socket for the connection of external devices is located in thecentre console.
Notice
The sockets must always be kept
clean and dry.
AUX input
It is possible to connect auxiliary
devices to the AUX input.
When connected to the AUX input,
the audio signal of the auxiliary device
is transmitted via the speakers of the
Infotainment system.
The volume and the tone settings can be adjusted via the Infotainment
system. All other control functions
must be operated via the auxiliary device.
The Infotainment system can play music files contained in auxiliary
devices.
Connecting/disconnecting a device
To connect the auxiliary device to the
AUX input socket of the Infotainment
system, use the following cable:3-pole for audio source.
To disconnect the AUX device, select
another function and then remove the AUX device.Caution
Avoid disconnecting the device
during playback. This may
damage the device or the
Infotainment system.
USB port
An MP3 player, USB drive or
smartphone can be connected to the
USB port.
When connected to the USB port, the devices mentioned above can be
operated via the controls and menus
of the Infotainment system.
Notice
Not all auxiliary devices are
supported by the Infotainment
system.
The Infotainment system can play
music files contained in USB storage
devices.
Page 66 of 79

66External devicesConnecting/disconnecting a device
Connect the USB device to the USB port.
Notice
If a non-readable USB device is
connected, a corresponding error
message appears and the
Infotainment system automatically
switches to the previous function.
To disconnect the USB device, select
another function and then remove the
USB storage device.Caution
Avoid disconnecting the device
during playback. This may
damage the device or the
Infotainment system.
MTP device settings
For devices connected via MTP,
additional settings can be adjusted in
the settings menu.
In an active audio source, press
MENU , scroll through the list and
select Settings . Select Phone
Connection (MTP Only) .
If you want the device to be only
charged on the USB port, activate Charge Only . If you switch to the USB
audio source while this setting is
activated, you are prompted with a
charging message.
If you wish to play music files stored
on the device, activate Scan Music
Folder Only or Scan All Folder .
Bluetooth
Bluetooth enabled audio sources
(e.g. music mobile phones, MP3
players featuring Bluetooth, etc.),
which support the Bluetooth profiles
PBAP, HFP, A2DP and AVRCP can
be connected wirelessly to the
Infotainment system.
The Infotainment system can play
music files contained in Bluetooth
devices.
Connecting/disconnecting a device
For a detailed description of the
Bluetooth connection 3 70.Bluetooth device list
To access the Bluetooth device list,
activate the Bluetooth audio source,
press MENU and then select Manage
Bluetooth Devices .
For a detailed description of the Bluetooth device list 3 70.
File formats Only devices formatted in the
FAT16/32 file systems are supported.
Notice
Some files may not be played
properly. This might be due to a
different recording format or the
condition of the file.
Files from online shops to which
Digital Rights Management (DRM)
has been applied cannot be played.
The playable MP3 and WMA files are the following:
● Bit rate: 8 kbps ~ 320 kbps
● Sampling frequency: 48 kHz, 44.1 kHz, 32 kHz (for MPEG-1)
and 24 kHz, 22.05 kHz, 16 kHz
(for MPEG-2)
MP3 files using VBR can be played.
Page 68 of 79

68Speech recognitionSpeech recognitionGeneral information.....................68
Usage .......................................... 68General information
The voice pass-thru application of the Infotainment system allows access tothe speech recognition commands on
your smartphone. See your
smartphone manufacturer's user
guide to find out whether your
smartphone supports this feature.
In order to use the voice pass-thru
application, the smartphone must be
connected to the Infotainment system
via USB cable 3 65 or via Bluetooth
3 70.
Usage
Activating speech recognition Press and hold qw on the steering
wheel to start a speech recognition
session. A voice command message
is displayed on the screen.
As soon as a beep is heard, you can
say a command. For information on
the commands supported, see the
operating instructions for your
smartphone.Adjusting the volume of voice
prompts
Turn m on the control panel or press
+ / - on the right side of the steering
wheel to increase or decrease the
volume of voice prompts.
Deactivating speech recognition
Press xn on the steering wheel.
The voice command message
disappears, the speech recognition session is ended.