Page 153 of 394

153 Controls in detail
Good visibility
Rear window sunshade*
The switch is located in the center console.
Turn the key to starter switch position
1 or 2. Vehicles with KEYLESS-GO*:
press the start/stop button once or
twice.
Press the switch briefly at 1 to raise the
sunshade.
Press the switch briefly at 2 to lower
the sunshade.
Always raise the sunshade fully for its sup-
port against the window frame.
Warning!
G
When operating the rear window sunshade,
ma ke s ur e th a t th er e is no da nge r o f an y o ne
being harmed by the raising or lowering pro-
cedure.
The raising or lowering procedure can be im-
mediately halted by briefly pressing the up-
per or lower half of the switch.
Briefly press upper or lower half of the
switch again to raise or lower the rear win-
dow sunshade completely.
Warning!
G
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 may cause an accident and⁄or serious
personal injury.
Page 163 of 394

163 Controls in detail
Automatic climate control
Air conditioning
The air conditioning is operational while
the engine is running and cools the interior
air to the temperature set by the operator.
Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the automatic
climate control system. The air in the vehi-
cle will then no longer be cooled or dehu-
midified.
Press buttonAC
OFF
(page 155).
The indicator lamp on the
buttonAC
OFF
lights up.Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
PressAC
OFF
again (
page 155).
The indicator lamp on the
buttonAC
OFF
goes out.
The air conditioning system uses the refrig-
erant R134a. This refrigerant is free of
CFCs which are harmful to the ozone layer.
Residual heat and ventilation*
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.
Activating
Turn the key in the starter switch to
position1 o r r e m o v e i t f r o m t h e s t a r t e r
switch.
Press button
T
(page 155).
The indicator lamp on button
T
comes on.
iCondensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.
!If theAC
OFF
button on the automatic
climate control panel starts to blink,
this indicates that the air conditioning
system is losing refrigerant. The com-
pressor has turned itself off. The air
conditioning cannot be turned on
again.
Have the air conditioning system
checked at the nearest authorized
Mercedes-Benz Center.
Page 167 of 394
167 Controls in detail
Audio system
Item
Page
1
CD mode selector
178
2
Manual tuning
(radio)
172
Fast forward/reverse
(cassette, CD)
176,
180
Speed dialing memory
(telephone*)
185
3
Radio mode selector
171
4
Display
Item
Page
5
Alpha-numeric keypadBand selection,
station buttons (radio)
171
CD selection (CD)
179
Telephone number entry,
retrieving speed dialing
memory (telephone*)
182
6
Scanning (radio, cas-
sette, CD)
173,
176,
180
7
Function button
172
8
Soft keys
168
Item
Page
9
Cassette eject
175
10
Cassette mode selector
174
11
Telephone* mode selec-
tor
182
12
Seek tuning (radio)
172
Track search (cassette,
CD)
175,
180
Speed dialing memory
(telephone*)
185
13
On /off
168
Volume
168
Page 168 of 394

168 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 the voice control system* is ac-
tivated.
Page 169 of 394
169 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.
Page 170 of 394
170 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 two
seconds.
RESET
will appear on the dis-
play.
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.
Page 173 of 394

173 Controls in detail
Audio system
Scan tuning
Starting scan tuning
Select the desired frequency band.
Press the
2
button.
SC will appear on the display. The
radio briefly tunes into all receiv-
able stations on the band selected.
The first scan will tune only the sta-
tions with a strong signal. The sec-
ond scan will tune every receivable
station.
Ending scan tuning
Press the
2
button or the
d
,
c
, f
or
e
button.
SC disappears from the display.Station memory
You can store 10 AM and 10 FM stations.
Storing stations
Tune in the desired station.
Press and hold the desired station
button 1 to 0 until a brief signal
tone is heard.
The frequency is stored on the se-
lected station button.
Retrieving a station from memory
Press the desired station button 1
to 0.
Storing stations automatically
(Autostore)
The Autostore memory function provides
an additional memory level. The station
m e m o r y f o r m a n u a l l y s t o r e d s t a t i o n s i s n o t
erased.
Calling up the Autostore memory level
Briefly press the
AS key.
AS appears on the display in in-
versed-color format.
The radio finds the 10 stations with
the strongest signals. These sta-
tions are stored on the station but-
tons 1 to 0 in the order of signal
strength.
Retrieving a station from memory
Press the desired station button 1
to 0.
Leaving the Autostore memory level
Press the
AS key.
AS appears on the display in in-
versed-color format.
Page 174 of 394

174 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
3
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.