2004 MERCEDES-BENZ C320 4MATIC WAGON warning

169 Controls in detail
Audio system
Audio system
Audio and telephone, operation
These instructions are intended to help
you become familiar with your
Mercedes-Benz audio system. They con-
tain useful tips and a detailed description
of the user functions.
Operating safety
Warning!
G
In order to avoid distraction which could
lead to an accident, the driver should enter
system settings with the vehicle at a stand-
still and operate the system only when road
and traffic conditions permit. Always pay full
attention to traffic conditions first before
operating system controls while driving.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your car is cover-
ing a distance of 50 feet (approximately
14 m) every second.
Warning!
G
Any alterations made to electronic compo-
nents can cause malfunctions.
The radio, amplifier, CD changer*, satellite
radio*, telephone* and voice control sys-
tem* are interconnected. When one of the
components is not operational or has not
been removed/replaced properly, the func-
tion 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
by an authorized Mercedes-Benz Center.

182 Controls in detailAudio systemCassette operation
Playing cassettes
Press3 button.
The display panel folds down and the
cassette compartment becomes ac-
cessible.

Insert cassette into the cassette com-
partment until it engages and tap it
gently.
The cassette will be pulled in automati-
cally. The system switches to cassette
mode. Side 1 will be played and
SIDE 1

appears in the display. Side 1 is the
side of the cassette which is facing up-
ward. The cassette deck will automati-
cally detect the type of tape.

Fold display panel back up and press
gently on the display panel frame to
lock it in place.
or

If a cassette is already in the
mechanism, pressj button.Track selection

Press the
TRK
key.
The current track will be displayed as
SIDE 1
or
SIDE 2
.

You can switch sides at any time.
The side will be changed automatically
at the end of the tape.
!Do not press directly on the display
face. Otherwise the display will be
damaged.
iA warning signal will sound after 20
seconds if the display panel is left in
the down position. Fold display panel
back up. If the display panel is not
closed, a warning signal will sound and
the radio will be muted.

186 Controls in detailAudio systemOnly use original CDs. Using copied CDs
may create problems during playback.
Clean CDs from time to time with a com-
mercially available cleaning cloth. Do not
use solvents, anti-static sprays, etc. for
cleaning. Replace the CD in its case after
use. Protect CDs from heat and direct sun-
light.
Only use CDs, which bear the label shown
and that conform to the compact disc
digital audio standard (IEC 60908). You
can therefore only use CDs with a maxi-
mum thickness of 1.3 mm.Operational readiness of CD changer
If a CD changer has been installed in the
system, it can be operated from the front
control panel of the radio. A loaded maga-
zine must be installed to play CDs.
Loading/unloading the CD magazine

Slide changer door to the right and
press eject buttong.

The magazine will be ejected.
iUse of CDs which do not meet this
standard may cause damage to the CD
changer. Do not play single-CDs
(80 mm) with an adapter.
Your CD drive has been designed to
play CDs which correspond to the
EN 60908 standard.
If you insert thicker data carriers, e.g.
ones that have data on both sides (one
side with DVD data, the other side with
audio data), they cannot be ejected and
will damage the drive.Warning!
G
The CD changer* is a Class 1 laser product.
There is a danger of invisible laser radiation
if the cover is opened or damaged.
Do not remove the cover. The CD changer*
does not contain any parts which can be ser-
viced by the user. For safety reasons, have
any service work which may be necessary
performed only by qualified personnel.

196 Controls in detailPower windows
Power windowsOpening 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 72)
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
t h a t b l o c k s i t s p a t h i n a c i r c u m s t a n c e w h e r e
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
t h a t b l o c k s i t s p a t h i n a c i r c u m s t a n c e w h e r e
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.iYou can also open or close the
windows using the:

SmartKey (summer opening/con-
venience feature) (
page 198)


buttonO in the control panel of
the climate control (
page 151) or
the automatic climate control*
(
page 159)


buttone in the control panel of
the automatic climate control*
(page 159)

197 Controls in detail
Power windows

Turn SmartKey in the starter switch to
position1 or2.
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.
Stopping windows

Press or pull respective switch again.
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.
!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 functionWarning!
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.

198 Controls in detailPower windowsOpening and closing the windows with
the SmartKey
The sliding/pop-up roof* (
page 200) will
also be opened or closed when the power
windows are operated with the SmartKey .

Aim transmitter eye at the driver’s door
handle.Opening (Summer opening feature)

Press and hold buttonΠafter
unlocking the vehicle.
The windows and sliding/pop-up roof*
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 sliding/pop-up roof*
begin to close after approximately one
second.

Release the ‹button to stop
procedure.
Make sure all side windows and the
sliding/pop-up roof* are properly closed
before leaving the vehicle.
Synchronizing power windows
The power windows must be resynchro-
nized each time

after the battery has been
disconnected.


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

Switch on ignition.

Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
one second.
The power windows are adjusted.
Warning!
G
Never operate the windows or
sliding/pop-up roof* if there is the
possibility of anyone being harmed by the
opening or closing procedure.
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.

199 Controls in detail
Sliding/pop-up roof*
Sliding/pop-up roof*
Opening and closing the sliding/pop-up roof
The sliding/pop-up roof can be opened
and closed electrically. The switch for the
sliding/pop-up roof is on the overhead
control panel.
1Push up to raise roof at rear
2Pull down to lower roof at rear
3Push forward to slide roof closed
4Push back to slide roof openWith the roof closed or tilted open, a
screen can be slid into the roof opening to
guard against sun rays. When sliding the
roof open, the screen will also retract.
Warning!
G
When closing the sliding/pop-up roof, make
sure there is no danger of anyone being
harmed by the closing procedure.
The closing procedure of the sliding/pop-up
roof 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.
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
sliding/pop-up roof.
Do not open the sliding/pop-up roof if
there is snow or ice on the roof, as this
could result in malfunctions.
The sliding/pop-up roof can be opened
or closed manually should an electrical
malfunction occur (
page 309).

200 Controls in detailSliding/pop-up roof*
Turn the SmartKey in the starter switch
to position1 or2.
Opening and closing the sliding/pop-up
roof

To open, close, raise or lower the
sliding/pop-up roof, move the switch
to resistance point in the required
direction1 to4.
Release the switch when the roof has
reached the desired position.Fully opening (Express-open) and
closing (Express-close) the
sliding/pop-up roof

To open, close, raise or lower the
sliding/pop-up roof, move the switch
past the resistance point in the
required direction1 to4 and
release.
The sliding/pop-up roof opens or
closes completely.
Stopping the sliding/pop-up roof

Move the switch in any direction.Opening and closing the sliding/pop-up
roof with the SmartKey
The power windows (
page 198) will also
be opened or closed when you operate the
sliding/pop-up roof with the SmartKey .

Aim transmitter eye at the driver’s door
handle.
iYou can also open or close the
sliding/pop-up roof using the:

SmartKey (summer opening/con-
venience feature) (
page 200)


buttonO in the control panel of
the climate control (
page 151) or
the automatic climate control*
(
page 159)


buttone in the control panel of
the automatic climate control*
(page 159)
iIf the movement of the sliding/pop-up
roof is blocked during the closing
procedure, the roof will stop and
reopen slightly.
Warning!
G
Never operate the windows or
sliding/pop-up roof if there is the possibility
of anyone being harmed by the opening or
closing procedure.
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.