2003 MERCEDES-BENZ C320 COUPE display

151 Controls in detail
Automatic climate control* (Canada only)
Automatic climate control panel
Item
1
Automatic climate control panel
2
Left center air vent, adjustable
3
Right center air vent, adjustable
4
Air volume control for left center air
vent
5
Thumbwheel for adding outside air
6
Air volume control for right center
air vent
7
Air volume control for side air vent
8
Side air vent, adjustable
9
Side defroster vent, fixediFor draft-free ventilation, move the slid-
ers for the center air vents to the mid-
dle position.
Item
1
Temperature control, left, raising
2
Left-side air distribution control
(automatic or manual operation)
3
Activated charcoal filter
4
Display
5
Right-side air distribution control
(automatic or manual operation)
6
Temperature control, right, raising
7
Temperature control, right, lower-
ing
8
Rear window defroster
9
AC cooling on/off (AC
OFF
)
Residual heat/ventilation
10
Air volume control
11
Automatic climate control on/off
(complete system)
12
Air recirculation
13
Defrosting
14
Temperature control, left, lowering

153 Controls in detail
Automatic climate control* (Canada only)
Adjusting air distribution
Use air distribution controls2 and5
(page 151) to separately adjust the air
distribution on each side of the passenger
compartment. The following symbols are
found on the controls:Adjusting manually

Press left or right
U
button.
The air distribution can be adjusted
manually.
Adjusting automatically

Press left or right
U
button again.
The air distribution is adjusted auto-
matically.
Windshield fogged on the outside

Switch the windshield wipers on.

Switch to manual mode.

Turn the air distribution control
to
a
or
Y
.
Adjusting air volume
Adjusting manually
Seven blower speeds are available.
Press left
M
or right
Q
side of air
volume control switch until the re-
quested blower speed is attained.
The display “Auto” disappears and the
automatic mode is switched off. The
selected blower speed is shown in the
display.
Adjusting automatically

Press left or right
U
button.
The air volume is adjusted automatical-
ly.
Symbol
Function
a
Directs air through the
center, side and rear pas-
senger compartment air
vents
Z
Directs air to the windows
X
Directs air into the entire
vehicle interior
Y
Directs air to the footwells

154 Controls in detailAutomatic climate control* (Canada only)Maximum cooling MAXCOOL
If the left and right air distribution controls
as well as the airflow volume control are
set to
U
and there is a high need for
cooling, the display “AUTO MAXCOOL” ap-
pears.
This provides the fastest possible cooling
of the vehicle interior (when windows and
panorama sliding/pop-up roof* are
closed).
Defrosting
Activating
Press button
P
(page 151).
The indicator lamp on the button lights
up

Switch off air recirculation, if selected.

Press button
O
(page 151).
The indicator lamp on the button goes
out.

Close center air vents.

Adjust side air vents upwards.
Deactivating

Press button
P
(page 151).
The indicator lamp on the button goes
out. Defrosting is turned off.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
Activating
Press button
O
(page 151).
The indicator lamp on the button lights
up.
iThese settings should only be selected
for a short time.
Warning!
G
When the outside temperature is below
41°F (5°C), only switch to air recirculation
mode for short periods to prevent window
fogging.

160 Controls in detailAudio systemOperating and display elements

161 Controls in detail
Audio system
Item
Page
1
CD mode selector
172
2
Manual tuning
(radio)
166
Fast forward/reverse
(cassette, CD)
170,
174
Speed dialing memory
(telephone*)
179
3
Radio mode selector
165
4
Display
Item
Page
5
Alpha-numeric keypadBand selection,
station buttons (radio)
165
CD selection (CD)
173
Telephone number entry,
retrieving speed dialing
memory (telephone*)
176
6
Scanning (radio, cas-
sette, CD)
167,
170,
174
7
Function button
166
8
Soft keys
162
Item
Page
9
Cassette eject
169
10
Cassette mode selector
168
11
Telephone* mode selec-
tor
176
12
Seek tuning (radio)
166
Track search (cassette,
CD)
169,
174
Speed dialing memory
(telephone*)
179
13
On /off
162
Volume
162

162 Controls in detailAudio systemButton and soft key operation
In these instructions, the alpha-numeric
keypad (right side of radio face) and the
function buttons (left side of the radio
face) are referred to as “buttons” and the
four keys under the display are referred to
as “soft keys”.Operation
Switching on/off
Switching on:
Turn the key to position 1 or 2 in the
starter switch.
or

Turn control knob
a
.Switching off:

Remove the key from the starter
switch.
or

Turn control knob
a
.
Adjusting the volume

Turn control knob
a
.
The volume will increase or decrease
according to the direction turned.Adjusting audio functions
In radio, cassette and CD mode, press the
AUD key to call up the bass, treble, bal-
ance and fader functions.
Settings for bass and treble are stored sep-
arately for the AM (medium wave, long
wave, short wave) and FM (ultra-short
wave) frequency bands, cassette mode
and CD mode.
iDo not press directly on the radio dis-
play face.
iIf the radio is turned on without the key
in the ignition, it will automatically turn
off again after approx. 30 minutes.
iIf your vehicle was equipped with a
telephone* and voice control system*,
and both are connected to the car ra-
dio, their volume can be adjusted sepa-
rately while the telephone* is being
used or voice control system* is acti-
vated.

163 Controls in detail
Audio system
Bass
In radio, cassette and CD mode, press
the
AUD
key repeatedly until
BASS
ap-
pears on the display.

Press the
+ or
- key to increase or de-
crease the tone level accordingly.
or

Press both the
+ and
- keys simulta-
neously to reset the bass tones to the
center (flat) level.Treble

In radio, cassette and CD mode, press
the
AUD
key repeatedly until
TREBLE
ap-
pears on the display.

Press the
+ or
- key to increase or de-
crease the tone level accordingly.
or

Press both the
+ and
- keys simulta-
neously to reset the treble tones to
their center (flat) level.Fader

In radio, cassette and CD mode, press
the
AUD
key repeatedly until
FADER
ap-
pears on the display.

Press the
F or
R key to shift the sound
accordingly.
or

Press both the
F and
R keys simulta-
neously to reset the fader to its center
level.
iYour vehicle may or may not have the
fader function, depending on the vehi-
cle equipment and model.

164 Controls in detailAudio systemBalance
In radio, cassette and CD mode, press
the
AUD
key repeatedly until
BALANCE

appears on the display.

Press the
L or
R key to shift the sound
accordingly.
or

Press both the
L and
R keys simulta-
neously to reset the balance to its cen-
ter level.Returning audio functions to factory set-
tings

In radio, cassette and CD mode, press
and hold the
AUD
key longer than 2 sec-
onds.
RESET
will appear on the display.
All settings for bass, treble and balance
are returned to center and the volume
is set to a predefined level.Audio system sound selection (EXT)*

In radio, cassette and CD mode, press
the
AUD
key.
The sound settings menu appears on
the display.

Press the
EXT
key.

Press one of the function keys.
You can select from among the follow-
ing settings:

DRV
: The tone level is set to the
“Driver” position, sound is directed
toward the passengers.