bluetooth MERCEDES-BENZ C300 2008 W204 Owner's Manual

160 Controls in detail
Control system
Operating the CD player*
Turn on the radio and select the CD
mode (
page 213).
Vehicles with COMAND*:
Refer to separate operating
instructions.
Press ( or & to select the Audio
menu. The settings for the currently be-
ing played CD appear in the
multifunction display.
1Current CD (with additional number
from 1 to 6 when running from
CD changer*)
2Current track
Press % or $ to select a track.For more information on CD operation, see
“CD mode” (
page 208) and for the
CD changer*, see (
page 214).
1Current track
For more information on MP3, see “Notes
about MP3 mode” (
page 210).
TEL menu*
You can use the functions in the
Tel menu
to operate your Bluetooth® enabled tele-
phone, if it is switched on and connected
via the Bluetooth
® interface to the audio
system.
Vehicles with COMAND*: Refer to sepa-
rate operating instructions.
iTo select a CD from the CD changer* maga-
zine, press a number on the audio system or the
COMAND* system key pad located in the center
console.
iLevel of information displayed will vary de-
pending on the information contained on the CD
with MP3 files insert in the audio or COMAND*
system.
Warning!G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving.
Whether or not prohibited by law, for safety
reasons, the driver should not use the cellu-
lar telephone while the vehicle is in motion.
Stop the vehicle in a safe location before
placing or answering a call.
If you nonetheless choose to use the mobile
phone while driving, please use the hands-
free device and be sure to pay attention to
the traffic situation at all times. Use the mo-
bile phone only when road, weather and traf-
fic conditions permit.

161 Controls in detail
Control system
Switch on the telephone and audio sys-
tem.
Activate and register the telephone
(
page 225).
Press ( or & to select the Tel
menu.
Which messages will appear in the
multifunction display depends on whether
your telephone is switched on or off:

If the Bluetooth® function on the audio
system is disabled, the message
Blue-
tooth not activated in system set-
tings
appears. To enable Bluetooth®
(
page 193).

If the telephone is switched on, the
telephone will then search for a net-
work. During this time, the message
No
Service
appears in the multifunction
display. If no network available, the
multifunction display message
No Ser-
vice
is shown continuously.

If the telephone is on, as soon as the
telephone has found a network,
Phone
Ready
appears in the multifunction dis-
play.This standby message indicates that your
telephone is ready for use and you can
operate it using the control system.
You may carry out the following functions:
Otherwise, you may not be able to observe
traffic conditions and could endanger your-
self and others.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
Warning!G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system,
possibly resulting in an accident and
personal injury.FunctionPage
Dialing a number from the phone
book162
Redialing163
Answering a call163
Ending a call or rejecting an in-
coming call163

162 Controls in detail
Control system
Dialing a number from the phone book
If your telephone is ready to receive calls,
you may select and dial a number from the
phone book at any time.
Press ( or & to select the Tel
menu.
Log on to the network (page 193).
Press % or $ or # to switch
to the phone book.
The stored names are displayed in
ascending alphabetical order.
Press % or $ to select the de-
sired name.1Name from the phone book
Press s or # to start dialing.
If several entries are present for the
same name, they are all shown.
Press % or $ to select the
desired entry.
Press s or # to start dialing.The message
Connecting call… ap-
pears on the multifunction display, as
well as the dialed telephone number or
name as long as it is stored in the
phone book.
The dialed number is saved in the “Di-
aled numbers” list.
Once a connection has been estab-
lished, the name appears on the multi-
function display, provided that it has
been stored in the phone book, other-
wise the dialed telephone number ap-
pears.
iFor using the phone book of the audio sys-
tem you can import business cards (vCards)
from external Bluetooth
® phones into your audio
system's phone book (
page 233).
iIf you press and hold % or $ for
more than 1 second, the system scrolls
rapidly through the list of names.
If you press and hold % or $ for more than
4 seconds, the control system shows the first
four entries of the letter next used. Release the
button to stop the quick search. The search
stops automatically at the end of the list.
iIf you do not want to dial from the phone
book, press t or L. The message
Ready
again appears in the multifunction display.

181 Controls in detail
Audio system
Display
The currently selected mode and the asso-
ciated menus are shown on the audio dis-
play. The audio display is divided into
several areas.
For example, radio selected
1Menu bar
2Main area
3Status lineThe status line3 displays the time and
the current settings for radio and
telephone mode.
You can request the required function
using the menu bar1.
The selection is made using the audio con-
troller.Mobile phone readiness is indicated by
additional information being shown in the
status line:

In the main menu TEL: Name of the
Bluetooth® device (calls made and re-
ceived via the Bluetooth® interface).

Mobile phone network signal
strengthI. This information will
only be shown with suitable tele-
phones.

Receiver symbol 4 ö
In this example, the audio main function is
set to the radio mode and the main
area2 is active.
iThe layout of the menus may vary depending
on your vehicle’s equipment. This manual shows
the menus for a fully equipped vehicle.

192 Controls in detail
Audio system
SYS menu
SYS settings menu overviewDisplay settings
You can adapt the brightness of the audio
display to the prevailing light conditions.
Setting the display design
ê
System
Display.
Select Brightness, Day Mode, Night
Mode
or Automatic.Bluetooth
® settings
General information about Bluetooth
®
Bluetooth® technology is the standard for
short-range wireless technologies, suitable
for transmitting voice and data. It is possi-
ble to connect Bluetooth
® devices wire-
lessly. Bluetooth® can be used to
exchange vCards or make calls using a
hands-free device.
Bluetooth
® technology uses the freely
available ISM (Industrial Scientific Medi-
cal) wireless network that works at
2.45 GHz. Ranges of up to ten meters are
possible with Bluetooth
®.
MenuPage
System
Display
Brightness
Day Mode
Night Mode
Automatic
192
Activate Bluetooth®192
Reset 193
Language193
iWhen you select Brightness, a scale ap-
pears on which you can set the brightness
manually.
In the
Automatic setting, the audio system an-
alyzes the automatic vehicle light sensor and
switches between the display designs automati-
cally.

193 Controls in detail
Audio system
Activate or deactivate Bluetooth®
ê
System
Activate Blue-
tooth
.
You have activated or deactivated
Bluetooth
®. A checkmark appears
when Bluetooth® is activated.Reset
ê
System
Reset.
A prompt appears asking whether you
really want to reset.
Select Yes or No.
If you select
Yes another prompt will
appear asking whether you really want
to reset.
Select Yes or No.
If you select
Yes, the audio system will
be reset and restarted.Setting the system language
ê
Language.
The language list appears. A dot R in
front of an entry indicates the current
setting.
To change the setting: Slidermq or
rotateymz and select desired lan-
guage.
To save setting: Press n.
The setting is stored and the menu is
exited.
To exit menu without saving: Press
button í or slideomp.
iYou can reset the audio system back to its
factory settings.
In this case, all personal data (e.g. address book
entries), among other things, are deleted.
We recommend that you reset the values, for
example, before selling your vehicle.


222 Controls in detail
Audio system
Telephone*
Safety precautionsWhen the telephone is connected via the
Bluetooth® interface to the audio system,
you can operate the telephone using the
following devices:

audio system (page 237)

Audio controller

Audio control unit

buttonss andt on the multi-
function steering wheel (
page 152)

mobile phone keypad
Please note that these functions are only
available with Mercedes-Benz approved
telephones.
Warning!G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving.
Whether or not prohibited by law, for safety
reasons, the driver should not use the cellu-
lar telephone while the vehicle is in motion.
Stop the vehicle in a safe location before
placing or answering a call.
If you nonetheless choose to use the tele-
phone
1 while driving, please use the hands-
free device and be sure to pay attention to
the traffic situation at all times. Use the tele-
phone only when road, weather and traffic
conditions permit. Otherwise, you may not
be able to observe traffic conditions and
could endanger yourself and others.
1Observe all legal requirements.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approxi-
mately 14 m) every second.
Warning!G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or
personal injury.
iThe functions and services available to you
while using the telephone depend on your ser-
vice provider and the type of telephone you are
using. See also separate operating manual for in-
structions on how to use your telephone.

223 Controls in detail
Audio system
TEL Menu
General notes
Making calls via Bluetooth
® interface
The audio system telephone function via
the Bluetooth
® interface is available in
conjunction with a Bluetooth® enabled
telephone.
With a suitable telephone, you can use the
hands-free device and receive electronic
business cards (vCards) via the Bluetooth
®
interface.Further information on suitable telephones
and on connecting Bluetooth
® enabled
telephones to the audio system are avail-
able at an authorized Mercedes-Benz
Center.
Calls disconnected while the vehicle is
in motion
Interruptions to the connecting may occur
if

there is insufficient mobile network
coverage in certain regions.

you move from one mobile network
transmitter/receiver area (mobile net-
work cell) into another and no channels
are free or the cell is full.

you are using a SIM card that is not
compatible to the available network.

when using a telephone with “Twin-
card”, the telephone is simultaneously
logged into the network with the sec-
ond SIM card.
TelephoneNameCall lists
Microphone off/on
Phone listPhone bookCall Lists
Receive Business Card(s) (vCards)Delete Call Lists
Mic On/Mic Off
Delete external data

224 Controls in detail
Audio system
Operating options
When the telephone is connected via the
Bluetooth
® interface to the audio system,
you can operate the telephone using the
following devices:

buttonss andt and keypad on
audio control unit

audio controller in center console

multifunction steering wheel
Please note that these functions are only
available with Mercedes-Benz approved
telephones. Please contact an authorized
Mercedes-Benz Center for information on
features available for your telephone of
choice. Unless otherwise indicated, the descrip-
tions and illustrations in this section refer
to audio system.Caller ID
The audio system can display the tele-
phone number and the name of the caller,
e.g. for an incoming call and also in other
menus or displays.
For the telephone number to be displayed,
the caller must transmit their telephone
number.
This is also the case for name displays. For
this, the telephone number and the name
of the caller must also be saved in the tele-
phone book.
iThe components and operating principles of
the audio system can be found on (
page 177)
and (
page 187).
iIn order for the functions described in this
section to work correctly, the Bluetooth® tele-
phone must be linked to the audio system
(
page 192). Please make sure any other Blue-
tooth® device linked with the telephone is
switched off before you use the telephone func-
tions with the audio system.

225 Controls in detail
Audio system
Functional restrictions
You will not be able to use the telephone,
or you may have to wait a while, in the fol-
lowing situations:

If the telephone is switched off.

If the telephone is not connected via
the Bluetooth® interface to the audio
system.

The telephone must not be locked.

If the telephone has not yet logged into
the network.
The telephone automatically tries to
log into a network. If no network is
available, you will also not be able to
make a “911” emergency call.
If you attempt to make an outgoing call,
the
No Service message will appear for
a short while.

If you switch off the audio system in the
middle of a call, e. g. by switching off
the ignition, that call will be cut off. You
can prevent this from happening as fol-
lows:

Switch the phone to “private mode”
before switching the audio system
off (see telephone operating in-
structions).Activating the telephone
Prerequisites for the telephone
For making calls using the audio system
via the Bluetooth
® interface, you will need
a Bluetooth® enabled telephone.
Before attempting to make or receive calls
via the Bluetooth
® interface, check your
phone's hands-free profile. It must support
version 1.0 or higher (see telephone oper-
ating instructions).
iNot all telephones on the market are suit-
able. Further information on suitable telephones
and on connecting Bluetooth
® enabled tele-
phones to the audio system are available from an
authorized Mercedes-Benz Center.