2008 MERCEDES-BENZ C300 wheel

158 Controls in detail
Control system
Digital speedometer
Press ( or & to select the Trip
menu.
Press % or $ to select the digital
speedometer.
1Digital speedometer
Navi* menu
The
Navi menu contains the functions
needed to operate your navigation system.
Press ( or & to select the Navi
menu.

If COMAND* is switched off, the mes-
sage
Navi Off appears in the multi-
function display.

With COMAND* switched on but route
guidance not activated, the direction of
travel and, if available, the name of the
street currently traveled on appear in
the multifunction display.

With COMAND* switched on and route
guidance activated, the direction of
travel and maneuver instructions ap-
pear in the multifunction display.
Please refer to the COMAND* manual for
instructions on how to activate the route
guidance system*.
Audio menu
The functions in the
Audio menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
Audio Off appears in the
multifunction display.
The following functions are available:
To adjust the volume: Press æ or
ç on the multifunction steering
wheel.
FunctionPage
Selecting radio station159
Selecting satellite radio station*159
Operating CD player*160

174 Controls in detail
Control system
Press #.
The current setting
Enabled
or
Disabled is shown.
Press # again if you would like to
change the current status.
Depending on the previous status, the
automatic central locking feature will
be
Enabled orDisabled.
Convenience submenu
Access the
Convenience submenu via the
Settings menu. Use the Convenience
submenu to change the settings for the
convenience features.
The following functions are available:Activate easy-entry/exit feature*
(Canada only)
FunctionPage
Activate easy-entry/exit
feature* (Canada only)174
Setting fold-in function* for exte-
rior rear view mirrors175Warning!G
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, do one of
the following:

Move steering wheel adjustment stalk*
(
page 94).

Press memory position switch*
(
page 104).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.


177 Controls in detail
Audio system
Operating safetyAudio system components
With the audio system you can operate the
following main functions:

audio function with the radio, Sat*,
disc (CD audio or MP3 mode)

the telephone* with the phone book

various system settings
The audio system consists of the following:

audio control unit

audio display

audio controller with back and delete
button
In addition, the audio system can also be
operated with the multifunction steering
wheel (
page 152).
In these instructions, the keypad (right
side of audio control unit) and the function
buttons are referred to as “buttons”.Audio control unit
With the audio control unit you can:

switch the audio system on/off

adjust the volume

select the operating modes

enter telephone numbers and accept,
reject, initiate and end telephone calls

load and eject CDs
Warning!G
Any alterations made to electronic
components can cause malfunctions.
The radio, amplifier, CD changer*, satellite
radio*, and telephone* are interconnected.
When one of the components is not opera-
tional or has not been removed/replaced
properly, the function of other components
may be impaired.
This condition might seriously impair the
operating safety of your vehicle.
We recommend that you have any service
work on electronic components carried out
at an authorized Mercedes-Benz Center.

182 Controls in detail
Audio system
Instrument cluster multifunction
display
This section describes features and con-
trols via the audio control unit, display and
controller only.
Please refer to the “Instrument cluster
control system” section of this manual
(
page 151) for function descriptions and
operation of the instrument cluster multi-
function display and multifunction steering
wheel buttons as they relate to audio func-
tions described in this section.Audio controller
1Audio controller
The menu functions are selected on the
audio display using the audio controller.
For this purpose, a selector bar is moved.
In this way, you can open menus or lists,
move within menus or lists, and quit
menus or lists.
Operating audio controller
The audio controller features the following
options:

press briefly or press and hold n

rotate to the left or right ymz

slide to the left or right omp

slide up or down qmr
iYou cannot operate the audio system via the
audio controller when the protective cover is
closed.

189 Controls in detail
Audio system
Adjusting volume
Rotary control/push buttono
1Push buttono
2Rotary control
Adjusting: Turn rotary control2.
The volume will increase or decrease
depending on the direction turned.Adjusting volume for telephone calls
In hands-free mode, you can adjust the vol-
ume of a telephone call while the call is
currently active.
During a telephone call:
Turn rotary control2.
The volume will increase or decrease
depending on the direction turned.
Sound
To switch on/off: Press button F
on the audio control unit (
page 177).
The sound of the current audio source
is switched on or off.Selecting sound settings
You can select different sound settings for
each individual audio source. The particu-
lar
Sound menu can be opened from the
basic menu for the desired operating
mode, or by pressing the TONE button on
the audio control unit.
Example:
b

Sound
Bass
Adjusting bass or treble
Press TONE button repeatedly until
Bass or Treble appears in the audio
display.
or
Select Sound
Bass or Treble.
The setting last selected is indicated by
an red pointer.
iThe volume of the audio system or a tele-
phone call can also be adjusted by pressing the
æ or ç button on the multifunction steer-
ing wheel (
page 158).
iWhen the sound is switched off, the
symbolF appears in the status line.
If you change the audio source, or alter the vol-
ume, the sound is automatically switched on
again.


197 Controls in detail
Audio system
Selecting a station/channel
You have the following selection options:

The station search function

The channel list
(Weather Band)

Station memory
(except Weather Band)

The manual frequency entry
(except Weather Band)
The station search proceeds in the
following frequency increments:

200 kHz in FM range

10 kHz in AM range
Tuning to a station/channel via
station/channel search function
Press buttonb on audio control
unit repeatedly until the FM/AM/WB
waveband is selected.
Slide omp or rotate ymz when the
main area in the basic menu is active.
Depending on the direction in which
the controller is being slid or rotated,
the system searches upward or down-
ward and stops at the next receivable
station/channel.
or
Press buttonG or H on audio
control unit.
Depending on the pressed button, the
system searches upward or downward
and stops at the next receivable
station/channel.Selecting a station using station
memory
Press b button on audio control
unit repeatedly until desired waveband
has been selected.
Select Presets.
or
Press n when the main area is
selected.
The memory menu appears. The dot R
in front of a memory position indicates
that the currently selected station is
saved there.
Select station in memory by rotating
ymz or sliding qmr and press n.
or
Press desired station button1 to
R, with the keypad in audio control
unit briefly.
iThe search function searches for the next
receivable station in the FM or AM waveband.
In Weather Band (WB) the search function
switches to the next channel in the channel list.
For tuning to a station/channel you can also use
the buttons on the multifunction steering wheel
(
page 159).
iThis function is not available for Weather
Band.

204 Controls in detail
Audio system
Tuning in channels
You have the following selection options:

The channel skip function

The manual channel number entry

The channel list

The channel presets
Tuning in channels using channel search
function
Slide omp or rotate ymz when the
main area in the basic menu is active.
Depending on the direction in which
the controller is being slid or rotated,
the system skips upward or downward
and stops at the next subscribed chan-
nel.
or
Press buttonG or H on audio
control unit.Depending on the pressed button, the
system searches upward or downward
and stops at the next receivable
channel.
Tuning in channels using manual chan-
nel number entry
b
Sat
Enter Channel.
The menu for manual channel number
entry appears.
or
Press buttonó, on the keypad in
audio control unit briefly.
Channel number entry with keypad:
Enter desired channel number with
buttons1to R, with the keypad
in audio control unit briefly.Further operation depends on whether the
selected channel number is valid or if the
channel is included in your subscription.
Exiting menu without making an
entry: Press buttoní in the center
console (
page 184).
Channel number is valid and channel is
included in subscription: The audio sys-
tem tunes in the channel entered.
Channel number is invalid: The message
Invalid Channel appears in the audio dis-
play.
Press n to close the message in the
audio display.
iWhich channels are available depends on
which channels you have subscribed to and the
program category you have selected
(
page 203). For tuning in channels you can
also use the buttons on the multifunction steer-
ing wheel (
page 159).

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.