MERCEDES-BENZ C320 2005 W203 Owner's Manual

219 Controls in detail
Audio system
Accepting an incoming call
If the telephone is active in the background
(reception symbol is visible in the display),
the audio source is muted when an incom-
ing call is received. A ringing tone can be
heard and the caller’s telephone number,
or the name under which the telephone
number has been saved in the telephone
book, appears in the display. If the caller’s
number is not relayed,
CALL
will appear in
the display.

Press s button.
The call is accepted.Muting a call
It is possible to mute a call; the caller is
then no longer able to hear you.


Mute on
Press
MUT
soft key.

MIC MUTE
will appear in the display.


Mute off
Press
MUT
soft key again.
Terminating a call

Press t button.
The current call is terminated and the
muted audio source becomes active
again.Accepting a second incoming call
If you receive another call during an
already active call, you can accept the
second call and switch between the two.


Accepting a second call
Place new call by entering
telephone number manually.
You are connected to the second
caller; the first caller is kept on hold.
iYou will be notified of the second call
acoustically, but you will not see this in
the display.

220 Controls in detailAudio system

Switching between calls
Press s button.
This switches between the calls.
The non-active call is kept on hold.


Terminating a call
Press t button.
The current call is terminated. The
connection to the caller previously
kept on hold is also interrupted;
however, reconnection is indicated
by an acoustic signal.Placing a second call
If you wish to place another call during an
already active call, you can place the
second call and switch between the callers
or combine them into one call. Note that
this feature is depending on availability
from your mobile phone service provider.


Placing a second call
Place a new call by entering
telephone number manually.

Press s button.
You are connected to the second
caller; the first caller is kept on
hold.


Terminating a call
Press t button.
The current call is terminated. The
connection to the caller previously
kept on hold is also interrupted;
however, reconnection is indicated
by an acoustic signal.


Combining two calls
Press s button.
The calls are combined into one
call.


Terminating a combined call
Press t button.
The connection to both callers is
terminated.

221 Controls in detail
Audio system
Emergency calls “911”
The following describes how to dial a “911”
emergency call using the audio system
head unit when a Mercedes-Benz specified
mobile phone* is inserted in the phone
cradle*. Unless otherwise specified, the
descriptions refer to the audio system
head unit.
Consult the separate telephone operating
instructions that came with your mobile
phone* for information on how to place a
“911” emergency call on the mobile
phone*. The following conditions must be met for a
“911” emergency call:


Telephone must be switched on.


The corresponding mobile communica-
tions network must be available.
If you cannot make an emergency call, you
will have to initiate rescue measures
yourself. GSM network phones
Placing a “911” emergency call using
audio head unit with the phone locked

Press hbutton to switch to
telephone operation. PIN?
appears in the audio display.

Enter 911 using the number keypad on
the audio head unit.

Press
OK soft key or sbutton for
dialing to begin.
DIALING
appears in the audio display
while the telephone establishes the
connection.

Wait until the emergency call center
answers, then describe the emergency.
Warning!
G
The “911” emergency call system is a public
service. Using it without due cause is a crim-
inal offense.
iEmergency calls may not be possible
with all telephone networks or if certain
network services and/or telephone
functions are active. Check with your
local service providers.

222 Controls in detailAudio systemPlacing a “911” emergency call using
audio head unit with the phone
unlocked
Press hbutton to switch to
telephone operation.

Enter 911 using the number keypad on
the audio head unit.

Press sbutton for dialing to begin. DIALING
appears in the audio display
while the telephone establishes the
connection.

Wait until the emergency call center
answers, then describe the emergency. TDMA/CDMA network phones
Placing a “911” emergency call using
audio head unit with the phone locked

Press hbutton to switch to
telephone operation. CODE?
appears in the audio display.

Enter 911 using the number keypad on
the audio head unit.

Press
OK soft key or sbutton for
dialing to begin.
DIALING
appears in the audio display
while the telephone establishes the
connection.

Wait until the emergency call center
answers, then describe the emergency. Placing a “911” emergency call using
audio head unit with the phone
unlocked

Press hbutton to switch to
telephone operation.

Enter 911 using the number keypad on
the audio head unit.

Press sbutton for dialing to begin. DIALING
appears in the audio display
while the telephone establishes the
connection.

Wait until the emergency call center
answers, then describe the emergency.
iIf no SIM card is in the mobile phone, NO SERVICE
appears in the audio
display. In that case, you only can make
an emergency call on the mobile phone
itself, without the use of the head unit.

223 Controls in detail
Power windows
Power windows
Opening and closing the windows
The side windows can be opened and
closed electrically. The switches for all the
side windows are on the driver’s door. The
switches for the respective windows are
on the front passenger door and the rear
doors.
1Left front window
2Right front window
3Right rear window
4Left rear window
5Rear window override switch
(
page 75)
Warning!
G
When closing the windows, make sure there
is no danger of anyone being harmed by the
closing procedure.
The closing of the door windows can be im-
mediately halted by releasing the switch or,
if switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
If the window encounters an obstruction
that blocks its path in a circumstance where
you pulled the switch past the resistance
point and released it to close the window,
the automatic reversal function will stop the
window and open it slightly.
If the window encounters an obstruction
that blocks its path in a circumstance where
you are closing the window by pulling and
holding the switch, or by pressing and hold-
ing button‹ on the SmartKey, the auto-
matic reversal function will not operate.
When leaving the vehicle, always remove the
SmartKey from starter switch, take it with
you, and lock your vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment can cause an
accident and/or serious personal injury.

224 Controls in detailPower windows
Switch on ignition (
page 33).Opening the windows

Press switch1 to4 to the resistance
point.
The corresponding window will move
downwards until you release the
switch.
Closing the windows

Pull switch1 to4 to the resistance
point.
The corresponding window will move
upwards until you release the switch.Fully opening the windows
(Express-open)

Press switch1 to4 past the
resistance point and release.
The corresponding window opens
completely.
Fully closing the windows
(Express-close)

Pull switch1 to4 past the
resistance point and release.
The corresponding window closes
completely.
iYou can also open or close the
windows using the SmartKey (summer
opening/convenience closing feature)
(page 225).
You can close and reopen the windows
using the air recirculation button,
in the climate control panel
(page 175).
Warning!
G
If you pull and hold the switch up when
closing the window, and upward movement
of the window is blocked by some obstruc-
tion including but not limited to arms, hands,
fingers, etc., the automatic reversal will not
operate.

225 Controls in detail
Power windows
Stopping windows
Press or pull respective switch again.Opening and closing the windows with
the SmartKey
The tilt/sliding sunroof* (
page 229) will
also be opened or closed when the power
windows are operated with the SmartKey .
!If the upward movement of the window
is blocked during the closing
procedure, the window will stop and
open slightly.
Remove the obstruction, pull the
switch again past the resistance point
and release.
If the window still does not close when
there is no obstruction, then pull and
hold the switch again. The side window
will then close without the obstruction
sensor function
Warning!
G
Driver’s door only:
If within five seconds you again pull the
switch past the resistance point and
release, the automatic reversal will not
function.
Warning!
G
Never operate the windows or tilt/sliding
sunroof* if there is the possibility of anyone
being harmed by the opening or closing pro-
cedure.
In the event that the procedure causes
potential danger, the procedure can be
immediately halted by releasing the
transmit button on the SmartKey. To reverse
direction of movement, press buttonŒ
for opening or‹ for closing.

226 Controls in detailPower windows
Aim transmitter eye at the driver’s door
handle.
Opening (Summer opening feature)

Press and hold buttonΠafter
unlocking the vehicle.
The windows and tilt/sliding sunroof*
begin to open after approximately one
second.

Release the Œbutton to stop
procedure.Closing (Convenience feature)

Press and hold button‹ after
locking the vehicle.
The windows and tilt/sliding sunroof*
begin to close after approximately one
second.

Release the ‹button to stop
procedure.
Make sure all side windows and the
tilt/sliding sunroof* are properly closed
before leaving the vehicle.
Synchronizing power windows
The power windows must be
resynchronized each time

after the battery has been
disconnected.


if the power windows cannot be fully
opened (Express-open) or closed
(Express-close).

Switch on ignition (
page 33).

Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
one second.
The power windows are synchronized.

227 Controls in detail
Power tilt/sliding sunroof*
Power tilt/sliding sunroof*
Opening and closing the power tilt/sliding sunroof
The tilt/sliding sunroof can be opened and
closed electrically. The switch for the
tilt/sliding sunroof is on the overhead
control panel.Sunroof switch1Push up to raise sunroof at rear
2Pull down to lower sunroof at rear
3Push forward to slide sunroof closed
4Push back to slide sunroof openWith the sunroof closed or tilted open, a
screen can be slid into the roof opening to
guard against sun rays. When sliding the
sunroof open, the screen will also retract.
Screen
Warning!
G
When closing the tilt/sliding sunroof, make
sure there is no danger of anyone being
harmed by the closing procedure.
The opening/closing procedure of the
tilt/sliding sunroof can be immediately
halted by releasing the switch or, if the
switch was moved past the resistance point
and released, by moving the switch in any
direction.
The tilt/sliding sunroof is made out of glass.
In the event of an accident, the glass may
shatter. This may result in an opening in the
roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening also presents a potential for injury
for occupants wearing their seat belts
properly as entire body parts or portions of
them may protrude from the passenger
compartment.


228 Controls in detailPower tilt/sliding sunroof*

Switch on ignition (
page 33).Opening and closing the power
tilt/sliding sunroof

To open, close, raise, or lower the
tilt/sliding sunroof, move the sunroof
switch to resistance point in the
required direction of arrows1 to4.
Release the sunroof switch when the
tilt/sliding sunroof has reached the
desired position.
Fully opening (Express-open) and
closing (Express-close) the power
tilt/sliding sunroof

To open or close the tilt/sliding
sunroof, move the sunroof switch past
the resistance point in the required
direction of arrow4 or3 and
release.
The tilt/sliding sunroof opens or closes
completely.
When leaving the vehicle, always remove the
SmartKey from starter switch, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment can cause an accident and/or serious
personal injury.!To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the tilt/sliding
sunroof.
Do not open the tilt/sliding sunroof if
there is snow or ice on the roof, as this
could result in malfunctions.
The tilt/sliding sunroof can be opened
or closed manually should an electrical
malfunction occur (
page 341).
iYou can also open or close the
tilt/sliding sunroof using the SmartKey
(summer opening/convenience closing
feature) (
page 229).
You can close and reopen the
tilt/sliding sunroof using the air
recirculation button, in the
climate control panel (
page 175).