
Introduction39Volume settings
CD35 BT USB - Volume settings Speed dependent volume
When this feature is activated, the
volume is adapted automatically to
compensate for road and wind noise
during driving.
Press SETUP / TEXT to access the
settings menu. Select Audio settings
followed by Adaptation volume km/h
by turning the central rotary knob and
pressing to confirm the selection.
Turn the knob to set the degree of volume adaptation.
A value of 0 means the function is
deactivated.
NAVI 50 - Volume settings
To access the settings menu at any time, press 7 followed by ÿSettings
on the display screen.The following settings submenus are
displayed:
● Audio
See "Audio settings" below.
● Display
Refer to (NAVI 50) "System
settings" 3 40.
● Bluetooth
Refer to (NAVI 50) "System
settings" 3 40.
● System
Refer to (NAVI 50) "System
settings" 3 40.Audio settings
Select Audio to display the following
options:
● Vol/Speed (Off/1/2/3/4/5)
The volume increases when
vehicle speed increases, to
compensate for wind and road
noise.
Speed compensated volume can be switched off or the degree of
volume adaptation can be set.● Loudness (On/Off)
Switch loudness on to increase
bass and treble levels.
● BAL/FAD
Refer to (NAVI 50) "Tone
settings" 3 36.
● Sound
Press l to open the audio
preferences submenu.
Depending on version, the
volume of different audio types
can be set independently, e.g.
audio, traffic announcements,
navigation instructions,
handsfree phone system and
ringtone levels. Press ]/< to
adjust volume of each audio type.
If required, press Reset to
defaults to return all volumes to
the factory settings.
For other versions of the sound
submenu, refer to (NAVI 50)
"Tone settings" 3 36.

Introduction41●AC Info (On/Off)
Available depending on version. Switch on/off the display of air
conditioning information during
adjustment of settings (available
depending on vehicle).
● Background (Dark/Light)
Available depending on version.
Switch between a dark or light
display mode (available
depending on vehicle).Bluetooth
Select Bluetooth to display the
following options:
● View Bluetooth device list
● Search for Bluetooth device
● External device authorisation
● Change passkey (for pairing of
Bluetooth devices with the
Infotainment system)
● Smartphone
Available depending on version. For help with activating and
operating voice controls - refer to
"Voice recognition" 3 118.For further information on Bluetooth
settings, refer to (NAVI 50) "Bluetooth
music" 3 65 and "Bluetooth
connection" in the "Phone" section 3 127.System
Select System to display the following
options:
● Language
Change display language and
voice instruction language for
Navigation system. Press OK to
confirm selection.
● Clock/units
The following settings can be
changed:
● Time Format (12h/24h)
● Units (km/mls)
● Time Setting
Press l to open the Time
set submenu containing the
following options:
Auto /Manual
If Auto time setting is
selected, the time is set
automatically by GPS.If Manual time setting is
selected, adjust as appropriate.
Notice
Navigation maps for the current country must be installed on the
system to ensure the local time is
correct.
● Factory settings
The following settings can be
reset to the factory default:
● All
● Phone
● Navigation
● Audio-Media-Radio-System
● Navigation (On/Off)
● System version (displays
Infotainment system software
version number)
When system setting adjustments
have been made, press 7 (and select
another menu on the display) to exit
the settings menu and save changes. The system also saves and exits
automatically after a delay.

Radio45RadioUsage.......................................... 45
Station search .............................. 47
Autostore lists .............................. 50
Radio data system (RDS) ............51
Digital audio broadcasting ...........54Usage
Radio reception Radio reception may be disrupted by
static, noise, distortion or loss of
reception due to:
● changes in distance from the transmitter
● multi-path reception due to reflection
● shadowing
R15 BT USB, R16 BT USB,
CD16 BT USB, CD18 BT USB -
Controls
The most important buttons for
control of the radio are:
● RADIO : Activate radio, change
waveband
● 2 3 : Station search
● OK: Change frequency
● Station buttons 1...6: Preset station buttons●SETUP : System settings,
automatic station storing
● TEXT : Display radio text
information
Activating the radio
Press RADIO to switch the audio
source to radio.
The station previously selected will be
received.
Selecting the waveband
Press RADIO repeatedly to switch
between the available wavebands (e.g. FM1, FM2, AM).
The station previously selected in that waveband will be received.
CD35 BT USB - Controls
The most important buttons for
control of the radio are:
● RADIO : Activate radio, change
waveband
● 2 3 : Change frequency,
station search
● Central rotary knob: Access stored radio station list

46Radio● Station buttons 1...6: Presetstation buttons
● SETUP / TEXT : System settings
Activating the radio
Press RADIO to switch the audio
source to radio.
The station previously selected will be
received.
Selecting the waveband
Press RADIO repeatedly to switch
between the available wavebands
(e.g. FM1, FM2, MW, LW).
The station previously selected in that
waveband will be received.
NAVI 50 - Controls Use the touchscreen to operate the
radio.The main controls are:
● FM/AM /DAB (depending on
version): Press S and switch
between FM and AM wavebands.
● l/m : Press to start automatic
search for next/previous radio
station.
● k/l : Press to change to next/
previous frequency in increments of 0.5.
Activating the radio
To activate the radio at any time,
press 7 followed by è/ñ Radio on
the display screen. The station
previously selected will be received.
The following submenus are
displayed:
● Main : Radio station/frequency is
displayed.
● List: Displays an alphabetical list
of available radio stations
(maximum 50 stations).
Notice
Radio stations without RDS: Only
the frequency is displayed. These
stations appear at the end of the list.● Preset : Displays stored favourite
radio stations.
● Options :
The following settings can be
changed, depending on selected
waveband:
● RDS (On/Off)
● TA (On/Off)
● Region (On/Off)
● News (On/Off)
● AM (On/Off)
● Update list (On/Off)
For further information, refer to
(NAVI 50) "Radio data system (RDS)" 3 51.
Selecting the waveband
Press S alongside FM/AM /DAB (if
available) in the top left corner of the display and select FM, AM or DAB
waveband.
The station previously selected in that waveband will be received.

Radio47Notice
AM waveband can be switched off
via the Options menu.
Refer to "Digital audio broadcasting"
3 54.
NAVI 80 - Controls Use the touchscreen to operate the
radio.
The main controls are: ● FM/AM : Press tab in top left
corner of the display and switch
between FM and AM wavebands.
● Y/Z : Press to start automatic
search for next/previous radio
station.
● > : Press to change to next/
previous frequency in increments of 0.1 MHz.
● 4/1 : Press to scroll through a list
of stations.
Activating the radio
To access the Radio from the Home
page, press MENU then Multimedia ,
followed by Radio on the display
screen.The following modes are available:
● Preset :
Displays stored favourite radio
stations.
● List:
Displays an alphabetical list of
available radio stations
(maximum 50 stations).
Notice
Radio stations without RDS: Only
the frequency is displayed. These
stations appear at the end of the list.
● Frequency :
Search manually or automatically by scanning the selected range
of frequencies.
Selecting the waveband
Press FM/AM tab in top left corner of
the display and switch between
wavebands.
The station previously selected in that waveband will be received.Station search
Automatic station search
R15 BT USB, R16 BT USB,
CD16 BT USB, CD18 BT USB -
Automatic station search
Briefly press 2 or 3 to search for
the next receivable station in the
current waveband.
If no station is found, automatic
searching continues until 2 or 3 is
pressed again.
CD35 BT USB - Automatic station
search
Press 2 or 3 for approx.
2 seconds to search for the next
receivable station in the current
waveband.
If no station is found, automatic
searching continues until 2 or 3 is
pressed again.
NAVI 50 - Automatic station search
Press l or m in the display to
search for the next receivable station
in the current waveband.

Radio49Search radio station name (FM only)
Select the FM waveband and open
the FM radio station list by turning the
central rotary knob.
Turn the knob to manually search for
the required station name and press
the knob to select.
The alphabetical list contains up to
50 FM radio stations with the best
reception. This list can be updated at
any time. Autostore lists 3 50.
NAVI 50 - Manual station search Select the desired waveband then
press k or l to change to next/
previous frequency in increments of
0.5.Stored station search
This allows you to recall radio stations that you have previously stored.
To store a station, select the desired
waveband and station then press
Preset to display the stored
favourites.
Press and hold on the desired
location. The frequency or name of
the radio station appears on thefavourite location, confirming that the
station has been stored ( i indicates
the currently received station).
Notice
12 stations per waveband can be
stored.Recalling a stored station
To recall a station, select the desired
waveband then press Preset to
display the stored favourites. Briefly
press the desired favourite radio
station.
Press k/l to move to the previous/
next page of favourites.Search radio station name (FM and
DAB only)
Select waveband FM or DAB (if
available) then press List to display
an alphabetical list of available radio
stations.
Press S or R to manually search for
the required station name. The
frequency may be displayed instead
if the station name is unavailable.
Press a list item to receive the
selected station ( i indicates the
currently received station).The alphabetical list contains up to 50 radio stations with the best reception.
This list can be updated at any time,
refer to "Autostore lists" 3 50.
NAVI 80 - Manual station search
Select the desired waveband then press < or > to change to next/
previous frequency in increments of
0.1 MHz.Stored station search
This allows you to recall radio stations that you have previously stored.
To store a station, select the desired
waveband and station then press
Preset to display the stored
favourites.
Press and hold on the desired
location until a beep is heard. The
frequency or name of the radio station appears on the favourite location,
confirming that the station has been
stored. 6 stations per waveband can
be stored.
Alternatively, select the desired
waveband and station then press
Frequency or List . Press < to open a
pop-up menu, then select Save as
preset .

50RadioRecalling a stored station
To recall a station, select the desired
waveband then press Preset to
display the stored favourites. Briefly
press the desired favourite radio
station.Search radio station name (FM only)
Select the FM waveband then press
List to display an alphabetical list of
available radio stations.
Press 4 or 1 to manually search for
the required station name. The
frequency may be displayed instead
if the station name is unavailable.
The alphabetical list contains up to
50 radio stations with the best
reception. This list can be updated at
any time, refer to "Autostore lists"
3 50.
Autostore lists
The stations with the best reception in
a waveband can be searched for and
stored automatically via the autostore
function.
Automatic station storing
R15 BT USB, R16 BT USB,
CD16 BT USB, CD18 BT USB -
Automatic station storing
The FM waveband has an autostore
list (AST ), on which 6 stations can be
stored.
While listening to the radio, press and hold SETUP : The 6 stations with the
strongest reception will be
automatically stored on AST.
Notice
Due to signal strength, it is possible that less than 6 stations will be
stored.
CD35 BT USB - Automatic station
storing
Depending on vehicle, up to 50 radio
stations are continually updated and
stored automatically by the system.Recalling a station
R15 BT USB, R16 BT USB,
CD16 BT USB, CD18 BT USB -
Recalling a station
Select the desired waveband, then briefly press station button 1...6 to
recall a stored station.
To recall a station on the autostore list
(AST), while listening to the radio
briefly press SETUP to activate AST
mode. The station previously
selected will be received. Briefly
press station button 1...6 to recall
another stored station on the
autostore list.
CD35 BT USB - Recalling a station
Select the desired waveband, then
briefly press station button 1...6 to
recall a stored station.
Alternatively, select the FM
waveband and open the FM radio
station list by turning the central rotary
knob. Turn the knob to manually
search for the required station name
and press the knob to select.

Radio51Updating stations list manuallyStations can also be stored manually
in the autostore list.
Notice
Only available with CD35 BT USB,
NAVI 50, NAVI 80.
To update the list of stations and
obtain the most recent ones, activate
the system update manually.
Depending on Infotainment system,
the sound may be muted during a
manual update.
CD35 BT USB - Updating stations list
manually
Press SETUP / TEXT and turn the
central rotary knob to access Radio
functions .
Turn the rotary knob to select Update
FM list and press to confirm update.
NAVI 50 - Updating stations list
manually
Press Options , scroll down to
Update List then select Start;
Updating ... appears on the display
until the update is complete.Notice
If DAB is available, it is
recommended to update the DAB
stations list manually when the
system is switched on.
NAVI 80 - Updating stations list
manually
From the Home page, press MENU
then Multimedia , followed by Radio
on the display screen.
Select any the following modes: ● Preset
● List
● Frequency
Press < to open a pop-up menu, then
select Update radio list .
Radio data system (RDS) RDS is an FM station service that
helps you find the desired station and ensures its fault-free reception.Advantages of RDS
● The programme name of the chosen station appears on the
display screen instead of its
frequency.
● During an automatic station search, the Infotainment system
tunes into RDS stations only.
● The Infotainment system always tunes into the best receivable
broadcasting frequency of the
chosen station, by means of AF
(Alternative Frequency).
R15 BT USB, R16 BT USB,
CD16 BT USB, CD18 BT USB -
RDS functions
Configuring RDS
Press SETUP and turn OK to access
the RDS menu. Press knob to select.
Turn the rotary knob to select RDS
SETUP .
Switching RDS on and off
Press Options on the display screen.
The following settings can be
changed: