Page 134 of 179

134IntroductionIntroductionGeneral information...................134
Theft-deterrent feature ...............135
Control elements overview ........136
Usage ........................................ 139
Basic operation .......................... 140
Tone settings ............................. 143
Volume settings .........................143General information
The Infotainment system provides
you with state-of-the-art in-car
infotainment.
Using the FM, AM or DAB radio
functions, you may register up to
36 stations on six favourites pages.
The integrated audio player will
entertain you with audio CDs and
MP3/WMA CDs.
You can connect external data
storage devices, e.g. iPod, MP3
player, USB stick, or a portable CD
player to the Infotainment system as
further audio sources; either via cable or via Bluetooth.
In addition, the Infotainment system is equipped with a Phone portal that
allows for comfortable and safe use of
your mobile phone in the vehicle.
Optionally, the Infotainment system
can be operated using controls on the steering wheel.
The well-thought-out design of the
control elements and the clear
displays enable you to control the
system easily and intuitively.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.
Display The CD 400plus is available in two
variants; noticeable difference is the
display. The second variant has the
following display.
Page 145 of 179

Radio145RadioUsage........................................ 145
Station search ............................ 145
Autostore lists ............................ 146
Favourite lists ............................. 146
Waveband menus ......................147
Radio data system (RDS) ..........150
Digital audio broadcasting .........151Usage
Activating the radio
Press the RADIO button to open the
radio main menu.
The station last played will be
received.
Selecting the waveband
Press the RADIO button 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 the buttons s or u
to play the previous or next station in
the station memory.
Manual station search
Press and hold the buttons 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 3 150 are searched for, and
Page 146 of 179

146Radio
when the radio traffic service (TP) is
activated, only traffic service
stations 3 150 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 the AS 1-2 button 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 manually
Stations can also be stored manually
in the autostore lists.
Set the station to be stored.
Briefly press the AS 1-2 button 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 the AS 1-2 button 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.
Page 170 of 179

170Phone
Deactivating/activating the
microphone
In the Connected menu, set the
submenu item Mute Mic to On. The
caller cannot hear you any more.
To reactivate the microphone: set the
submenu item Mute Mic to Off again.
Mobile phones and CB
radio equipment
Installation instructions and operating guidelines
The vehicle specific installation
instructions and the operating
guidelines of the mobile phone and
handsfree manufacturer must be observed when installing and
operating a mobile telephone. Failure to do so could invalidate the vehicle
type approval (EU directive 95/54/
EC).Recommendations for fault-free
operation:
■ Professionally installed exterior antenna to obtain the maximum
range possible,
■ Maximum transmission power 10 watts,
■ Installation of the phone in a suitable spot, consider relevant
Note in the Owner's Manual,
section Airbag system .
Seek advice on predetermined
installation points for the external
antenna or equipment holder and
ways of using devices with a
transmission power exceeding
10 watts.
Use of a handsfree attachment
without external antenna with mobile
telephone standards GSM
900/1800/1900 and UMTS is only
permitted if the maximum
transmission power of the mobile
telephone is 2 watts for GSM 900 or
1 watt for the other types.For reasons of safety, do not use the
phone while driving. Even use of a handsfree set can be a distractionwhile driving.9 Warning
Operation of radio equipment and
mobile telephones which fail to
meet above mentioned mobile
telephone standards is only
permitted using an antenna
located outside of the vehicle.
Caution
Mobile telephones and radio
equipment may lead to
malfunctions in the vehicle
electronics when operated inside
the vehicle with no exterior
antenna, unless the above
mentioned regulations are
observed.