2005 MERCEDES-BENZ C240 Buttons

151 Controls in detail
Control system
You can use the functions in the
TEL
menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.

Switch on the telephone and
COMAND*.

Press buttonÿ orè on the
steering wheel repeatedly until the
message
TEL
appears in the
multifunction display.
Which messages will appear in the
multifunction display depends on whether
your telephone is switched on or off:


If the telephone is off, the message PHONE OFF
appears in the multifunction
display.


If the telephone is on:
The telephone will then search for a
network. During this time the multi-
function display is empty.
As soon as the telephone has found a
network, the message
READY
appears in
the multifunction display.
This standby message indicates that your
telephone is ready for use and you can
operate it using the control system.Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the multifunction display you will then see
the message:

Press buttons.
You have answered the call. The
duration of the call appears in the
multifunction display.
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.

153 Controls in detail
Control system

Press buttons.
The system dials the selected phone
number.

If the connection is successful, the
name of the party you called and
the duration of the call will appear
in the multifunction display.


If no connection is made, the
control system stores the dialed
number in the redial memory.Redialing
The control system stores the most
recently dialed phone numbers. This
eliminates the need to search through your
entire phone book.

Press buttonÿ orè repeatedly
until the message
TEL
appears in the
multifunction display.

Press buttons.
The first number in the redial memory
appears in the multifunction display.

Press buttonj ork repeatedly
until the desired name appears in the
multifunction display.

Press buttons.
The control system dials the selected
phone number.
iIf you press and hold buttonj
ork for longer than one second,
the system scrolls rapidly through the
list of names until you release the
button again.
Cancel the quick search mode by
pressing buttont.

164 Controls in detailAutomatic transmission*Steering wheel gearshift control (Speedshift) (C 55 AMG only)
You can change the gears manually on the
steering wheel or by using the gear
selector lever (
page 158).The steering wheel gearshift buttons are
located to the left and right of the steering
wheel.
1Left button: downshift
2Right button: upshift
!Allow engine to warm up under low
load use. Do not place full load on the
engine until the operating temperature
has been reached.
Shift into reverse gearR only when the
vehicle is stopped.
Avoid spinning of a drive wheel for an
extended period when driving off on
slippery road surfaces. This may cause
serious damage to the drivetrain which
is not covered by the Mercedes-Benz
Limited Warranty.
iYou cannot shift with the steering
wheel gearshift buttons when the gear
selector lever is in positionP,N orR.
The manual program modeM will not
be stored. When the engine is turned
off with the manual program modeM
selected, the transmission will go to
the automatic program mode (CorS)
when the engine is restarted.
The last selected program
mode (CorS) is switched on when the
engine is restarted in the automatic
program mode.

170 Controls in detailGood visibilityActivating exterior rear view mirror
parking position*
Follow these steps to activate the mirror
parking position so that the
passenger-side exterior rear view mirror
will be turned downward to the stored
position.
The buttons are located above the exterior
lamp switch.
1Driver’s side exterior rear view mirror
button
2Passenger-side exterior rear view
mirror button

Make sure you have stored a parking
position for the passenger-side exterior
rear view mirror (
page 108).

Make sure the
Mirror set. parking
aid
function in the
Convenience

submenu of the control system is
switched to
On (page 148).

Switch on ignition (
page 33).

Press button2 for the passenger-side
exterior rear view mirror.

Place the gear selector lever in reverse
gearR.
The passenger-side exterior rear view
mirror will be turned downward to the
stored position.The exterior rear view mirror returns to its
previously stored driving position:


ten seconds after you put the gear
selector lever out of positionR


immediately once your vehicle exceeds
a speed of approx. 6 mph (10 km/h)


immediately when you press button1
for the driver’s side mirror

186 Controls in detailAudio systemButton and soft key operation
In these instructions, the alphanumeric
keypad (right side of radio panel) and the
function buttons (left side of radio panel)
are referred to as “buttons”. The four keys
below the display panel are referred to as
“soft keys”.
Operation
Switching the unit on/off
Switching on
Turn the SmartKey in the starter switch
to position1 or2.

If the audio system was on as you
removed the SmartKey from the starter
switch, the audio system will
automatically come back on as you
turn the SmartKey to position1 or2.
or

Press M button.
!Do not press directly in the display
face. Otherwise, the display will be
damaged.
iIf the radio is switched on without the
key in the starter switch, it will
automatically switch off again after
approx. 30 minutes.
If your vehicle is equipped with a
telephone, the display may prompt you
to enter your PIN (GSM network) or
code (TDMA or CDMA network).

192 Controls in detailAudio systemCalling up wavebands for radios
with SAT
Press
FM, AM or
WB soft key repeatedly
until desired waveband has been
selected.
The FM, AM and WB wavebands are
called up one after another.
The waveband currently selected
appears in the upper left-hand corner
of the display.Selecting a station
The following options are available for
selecting a station:


Direct frequency input (
page 192)


Manual tuning (
page 193)


Automatic seek tuning (
page 193)


Scan search (
page 193)


Station memory (
page 194)


Automatic station memory (Autostore)
(page 194)
The station search proceeds in the
following frequency increments:


200 kHz in FM range


10 kHz in AM rangeDirect frequency input

Select desired waveband.

Press * button.

Enter desired frequency with
buttons1to R.

194 Controls in detailAudio system

Ending scan search
Press
SC soft key or S or T.
The station last played will be
selected and
SC disappears from
the display.
Station memory
You can store ten AM and ten FM stations
in the memory.


Storing stations
Tune in desired station.

Press and hold desired station
button1 to R until a brief
signal tone is heard.
The frequency is stored on the
selected station button.


Calling up stations
Press desired station button1
to R briefly.
Autostore – automatic station memory
The Autostore memory function provides
an additional memory level. The station
memory for manually stored stations is not
overwritten.


Calling up Autostore memory level and
storing stations
Press
AS soft key briefly.
The radio switches to the Autostore
memory level.
AS and
SEARCH

appear in the display and the radio
finds the ten stations with the
strongest signals. These stations
are stored on the station
buttons1 to R in order of
signal strength.

195 Controls in detail
Audio system


Calling up stations
Press desired station button1
to R.


Leaving the Autostore memory level
Press
FM or
AM
soft key briefly.
Interrupting radio mode
The radio mode is interrupted by an
incoming call on the telephone*
(
page 213).


Mute on
Press U button.
The radio mode is interrupted and MUTED
appears in the display.


Mute off
Press U button.
The radio mode is again active.
Weather band

Press
WB soft key.
The weather band station last received
is tuned in.Selecting a weather band station
directly

Select desired weather band station
with buttons 1 to 7.
If a station cannot be tuned in, a search
is automatically started.
Search

Press S or T button to tune in
the next receivable weather band
station.iIf no weather band station is received
after three consecutive scans of the
complete frequency range, then the
scan stops at the channel with which it
began and
NO WB FOUND
appears in the
display.
If this happens, switch back to
standard radio mode.