2003 MERCEDES-BENZ C320 4MATIC WAGON ESP

154 Controls in detailAutomatic climate control*The automatic climate control is operation-
al whenever the engine is running. You can
operate the climate control system in ei-
ther the automatic or manual mode. The
system cools or heats the interior depend-
ing on the selected interior temperature
and the current outside temperature.
Nearly all dust particles, pollutants and
odors are filtered out before outside air en-
ters the passenger compartment through
the air distribution system.
The air conditioning will not engage (no
cooling) if the economy mode AC
OFF
is se-
lected (
page 159).
Setting the temperature
Use temperature controls1 and14 for the
left side or6 and7 for the right side to
separately adjust the air temperature on
each side of the passenger compartment.
You should raise or lower the temperature
setting in small increments, preferably
starting at 72°F (22°C).Increasing

Push temperature control1 and/or6.
The automatic climate control system
will correspondingly adjust the interior
air temperature.
Decreasing

Push temperature control14
and/or7.
The automatic climate control system
will correspondingly adjust the interior
air temperature.
Adding outside air

Turn thumbwheel3 in dashboard
(page 153) to increase airflow of out-
side air through air vents for center, left
and right sides and rear passenger
compartment.
Warning!
G
Follow the recommended settings for heat-
ing and cooling given on the following pag-
es. Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
iIf the vehicle interior is hot, ventilate
the interior before driving off.
Keep the air intake grille in front of the
windshield free of snow and debris.iWhen operating the climate control
system in automatic mode, you will
only rarely need to adjust the tempera-
ture, air volume and air distribution.
S203 MY03_A.book Page 154 Tuesday, January 28, 2003 2:22 PM

158 Controls in detailAutomatic climate control*Deactivating
Press button
e
(page 153).
The indicator lamp on the button goes
out.
The automatic air recirculation mode does
not function if economy mode AC
OFF
is se-
lected or if the outside temperature has
fallen below 41°F (5°C).The activated charcoal filter should be
switched off when windows fog up on the
inside, or if the passenger compartment
needs to be quickly heated or cooled
down.
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the defrost-
er as soon as the rear window is clear. The
defroster is automatically deactivated af-
ter approximately 6 to 17 minutes of oper-
ation depending on the outside
temperature.
Activating
Press button
F
(page 153).
The indicator lamp on the button lights
up.
Deactivating

Press button
F
(page 153) again.The indicator lamp on the button goes
out.
iIf you keep button
e
pressed, the
side windows and the sliding/pop-up
roof will be closed.
iIf you keep button
e
pressed, the
side windows and the sliding/pop-up
roof will be returned to their previous
position.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.!If the rear window defroster switches
off too soon and the indicator lamp
starts blinking, this means that too
many electrical consumers are operat-
ing simultaneously and there is insuffi-
cient voltage in the battery. The system
responds automatically by deactivating
the rear window defroster.
As soon as the battery has sufficient
voltage, the rear window defroster
automatically turns itself back on.
S203 MY03_A.book Page 158 Tuesday, January 28, 2003 2:22 PM

168 Controls in detailAudio systemDirect frequency input (AM and FM only)
Select the desired frequency band.
Press the
“
button.

Enter the desired frequency with the
buttons 1 to 0.Manual tuning

Select the desired band.

Press and hold either the
d
or
c

button until the desired frequency is
reached.
Step-by-step station tuning takes place
in ascending or descending order of
frequency. The first three tuning steps
will take place without muting. After-
ward, the radio will be muted and
high-speed tuning will take place until
the button is released.Automatic seek tuning

Select the desired frequency band.

Press either the
f
or
e
button.
The radio will tune to the next receiv-
able station at a higher or lower fre-
quency.
iYou can only enter frequencies within
the respective waveband.
If a button is not pressed within
4 seconds, the radio will return to the
last tuned station.
S203 MY03_A.book Page 168 Tuesday, January 28, 2003 2:22 PM

170 Controls in detailAudio systemWeather band
Press the
WB key.
The last weather band station is tuned
in.

Select the desired weather band sta-
tion with buttons 1 to 7.
If a station cannot be tuned in, a scan
is automatically started.

Press the
f
or
e
button. The
next receivable weather band station is
tuned in.
Cassette mode
Playing cassettes
Press the
Ø
button.
The display folds down and the cas-
sette slot becomes visible.

Press the cassette into the slot until it
engages and tap it gently.
The cassette will be pulled in automati-
cally. The system switches to cassette
mode (
TAPE
). Track 1 will be played and
SIDE 1
appears in the display. Track 1
is the side of the cassette which is fac-
ing upward. The cassette deck will au-
tomatically detect the type of tape.

Fold the display back up and press gen-
tly on the display frame to lock in place.or

If a cassette is already in the mecha-
nism, press the
j
button.
Track selection

Press the
TRK
key.
Upon selection of the track, the display
shows
SIDE 1
or
SIDE 2
corresponding-
ly.

You can switch track sides at any time.
The track side will be changed auto-
matically at the end of the tape.
iDo not press directly on the display
face.
iA warning signal will sound after 20
seconds if the display is left in the
down position. If the display is not
closed, a warning signal will sound and
the radio will be muted.
S203 MY03_A.book Page 170 Tuesday, January 28, 2003 2:22 PM

175 Controls in detail
Audio system
1CD
2CD changer
3CD tray
4CD magazine
Remove the magazine and pull the CD
tray fully out.

Place the CD in the recess of the tray,
label side up.

Push the tray into the magazine in the
direction shown by the arrow.

Push the magazine into the CD changer
in the direction shown by the arrow and
close the sliding door.
Playing CDs

Press the
i
button.
CD will appear on the display.
The CD most recently listened to will then
start playing at the point where it was last
switched off.
After the last track on a CD has finished,
the next CD is automatically played.Selecting CDs

You can select from among the CDs in
the CD magazine using buttons 1 to 6.CD a n d t h e m a g a z i n e s l o t n u m b e r o f t h e
s e l e c t e d C D a p p e a r o n t h e d i s p l a y . T h e
number of the current track is dis-
played after
TRACK
.
If there is no CD in the selected maga-
zine slot,
NO CD
appears on the display
with the corresponding slot number.
iCDs which have been inserted improp-
erly or are unreadable will not be
played.
S203 MY03_A.book Page 175 Tuesday, January 28, 2003 2:22 PM

181 Controls in detail
Audio system
Speed dialing
Input the desired entry number using
the number keys 1 to 0.
A maximum of 2 digits can be entered.
If necessary, correct the last number
entered with the
CLR
key.

Press the
SND
key.
The telephone number stored under
that entry will be dialed. The number,
L
and the full entry number will be shown
in the display.
Express dialing

Press one of the desired number but-
tons 1 to 0 longer than one second.
The telephone number saved under
that number will be dialed.Emergency call

Press button1 longer than one second.

A call will be placed to the saved num-
ber (e.g. 911).
You can make an emergency call to an
emergency rescue station with a mobile
communications network.
The emergency call will be placed as long
as the corresponding mobile communica-
tions network is available. To do this,
switch the telephone on if not already done
so.
The call will also be placed if the un-
lock-code is not entered.Emergency calls may not be possible with
all telephone networks or if certain net-
work services and/or telephone functions
are active. Check with your local network
operation company. It may take some time
to set up an emergency call.
To use this function you must ensure that
the number stored in memory location 1 is
the number to be dialed in case of emer-
gency.
If an emergency call cannot be connected,
the message
SYSTM BUSY
appears.
!Please be aware that button 1 might al-
ready be reserved for an emergency
call number.
!Please be aware that the 911 emergen-
cy call system is a public service. Using
it without due cause is a criminal of-
fense.
S203 MY03_A.book Page 181 Tuesday, January 28, 2003 2:22 PM

184 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 and the rear doors.
1Left front window
2Right front window
3Switch for rear door window override
(
page 71)
4Right rear window
5Left rear window

Turn key in the starter switch to
position1 or2.
Opening the windows

Press switch to resistance point.
The window will move downwards until
you release the switch.
Warning!
G
When closing the windows, make sure that
there is no danger of anyone being injured
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 the
switch and holding it there, or by pressing
and holding button
‹
on the SmartKey,
the automatic reversal function will not op-
erate.
When leaving the vehicle, always remove the
key from starter switch, and lock your vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. Unsupervised use of vehicle equipment
may cause an accident and/or serious
personal injury.
S203 MY03_A.book Page 184 Tuesday, January 28, 2003 2:22 PM

185 Controls in detail
Power windows
Closing the windows
Pull on switch.
The window will move upwards until
you release the switch.
If you pull and hold the switch up when
closing the window, and upward move-
ment of the window is blocked by some ob-
struction including but not limited to arms,
hands, fingers etc., the automatic reversal
will not operate.
Fully opening windows

Press switch past resistance point and
release.
The window opens completely.Fully closing windows

Pull switch past resistance point and
release.
The window closes completely.
If the upward movement of the window is
blocked during the closing procedure, the
window will stop and open slightly.Stopping windows

Press or pull respective switch again.
Warning!
G
Driver’s door only:
If within five seconds the switch1 is again
pulled past the resistance point and re-
leased, the automatic reversal will not
operate.
iYou can also open or close the win-
dows using the:

SmartKey (summer opening/con-
venience feature), see below


O
button in the control panel of
the climate control (
page 145) or
automatic climate control
(
page 153)


e
button in the control panel of
the automatic climate control
(
page 153)
S203 MY03_A.book Page 185 Tuesday, January 28, 2003 2:22 PM