2008 MERCEDES-BENZ CLS COUPE cooling

31, 2, 3 ...
7G–TRONIC . . . . . . . . . . . . . . . . . . . . . 106 A
ABS (Anti-lock Braking System)

. . . . . 57
Display message . . . . . . . . . . 221, 231
Warning lamp . . . . . . . . . . . . . . . . . 244
Acceleration
Technical data . . . . . . . . . . . . . . . . 303
Accident
Notes . . . . . . . . . . . . . . . . . . . . . . . 252
Active Service System
see ASSYST PLUS
ADAPTIVE BRAKE . . . . . . . . . . . . . . . . . 60
Adaptive brake lamps . . . . . . . . . . . . . 58
Adaptive damping system see ADS
ADS . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Airbag Activation . . . . . . . . . . . . . . . . . . . . . 43
Control unit . . . . . . . . . . . . . . . . . . . 43
Driver's . . . . . . . . . . . . . . . . . . . . . . . 46
Front . . . . . . . . . . . . . . . . . . . . . . . . 46
Front passenger . . . . . . . . . . . . . . . . 46
PASSENGER AIRBAG OFF warning
lamp . . . . . . . . . . . . . . . . . . . . . . . 242
Sidebags . . . . . . . . . . . . . . . . . . . . . 47
System . . . . . . . . . . . . . . . . . . . . . . . 45
Windowbags . . . . . . . . . . . . . . . . . . . 48 Air cleaner
Display message
. . . . . . . . . . . . . . 236
Air conditioning
2-zone Thermatic . . . . . . . . . . . . . . 153
4-zone Thermotronic . . . . . . . . . . . 155
Activating/deactivating air-recir-
culation mode . . . . . . . . . . . . . . . . 164
Activating/deactivating auxiliary
heating/ventilation . . . . . . . . . . . . 165
Air-recirculation mode with con-
venience opening/closing feature . 165
Auxiliary heating/ventilation . . . . . 166
Controlling automatically . . . . . . . . 159
Cooling with air dehumidification . . 158
Demisting the windscreen . . . . . . . 163
Malfunction indicator lamp . . . . . . 242
Misted up windows . . . . . . . . . . . . 164
Rear compartment . . . . . . . . . . . . . 158
Rear window heating . . . . . . . . . . . 164
Setting the air distribution . . . . . . . 162
Setting the airflow . . . . . . . . . . . . . 163
Setting the air vents . . . . . . . . . . . . 160
Setting the temperature . . . . . . . . . 159
Setting the temperature (rear
compartment) . . . . . . . . . . . . . . . . 160
see Climate control
Air-conditioning
Activating/deactivating . . . . . . . . . 158
Airmatic DC (Dual Control) . . . . . . . . 146
Air pump, electric . . . . . . . . . . . . . . . 217 Ambient lighting
Setting (on-board computer) . . . . . 126
Antifreeze concentration . . . . . . . . . 317
Anti-lock braking system see ABS
Anti-theft alarm system
see ATA
Anti-theft systems . . . . . . . . . . . . . . . . 61
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . 181
ASSYST PLUS . . . . . . . . . . . . . . . . . . . 209
ATA (anti-theft alarm system) . . . . . . 61
Switching off the alarm . . . . . . . . . . 61
Audible warning signal . . . . . . . . . . . 251
AUTO lights Display message . . . . . . . . . . . . . . 233
Automatic car wash . . . . . . . . . . . . . 211
Automatic transmission
Changing gear yourself . . . . . . . . . 105
Display in the speedometer . . . . . . 105
Display message . . . . . . . . . . . . . . 223
Driving tips . . . . . . . . . . . . . . . . . . . 107
Emergency running mode . . . . . . . 257
Malfunction . . . . . . . . . . . . . . . . . . 257
One-touch gearshifting . . . . . . . . . 105
Program selector button . . . . . . . . 106
Releasing the parking lock man-
ually . . . . . . . . . . . . . . . . . . . . . . . . 268
Selector lever positions . . . . . . . . . 104
Shift ranges . . . . . . . . . . . . . . . . . . 106 Index
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Air conditioning
151Air conditioning
Overview of the control panels
The vehicle is equipped with one of the following air-conditioning systems: 2-zone Thermatic
4-zone Thermotronic*
Rear-compartment air conditioning*
192-zone Thermatic is an automatic air-condi-
tioning system combining an automatic heat-
ing and ventilation system with a cooling
system. 4-zone Thermotronic is a luxury automatic
air-conditioning system combining an auto-
matic heating and ventilation system with a
cooling system. You can control the air con-
ditioning separately for each zone in the vehi-
cle. The rear-compartment air conditioning
allows separate temperature settings for the
rear compartment.
19
Rear-compartment air conditioning is only available in conjunction with 4-zone Thermotronic. Controls
* optional
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Air conditioning
152 General notes
2-zone Thermatic controls the temperature of
the vehicle interior and filters out undesirable
substances from the air.
4-zone Thermotronic* controls the tempera-
ture and the humidity of the vehicle interior
and filters out undesirable substances from
the air.
2-zone Thermatic/4-zone Thermotronic* is
only operational when the engine is running.
Optimum operation is only achieved when
you drive with the side windows and sliding/
tilting sunroof* closed. i
Ventilate the vehicle for a brief period
during warm weather, e.g. using the sum-
mer
opening feature (Y page 100). This will
speed up the cooling process and the
desired interior temperature will be
reached more quickly.
i The integrated filter filters out most par-
ticles of dust and completely filters out
pollen. A clogged filter reduces the amount
of air supplied to the vehicle interior. For
this reason, you should always observe the
interval for replacing the filter, which is specified in the Service Booklet. As it
depends
on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Service Booklet. G
Risk of accident
Observe the settings recommended on the
following pages. The windows could other-
wise mist up. This may obstruct your view
of the traffic situation, thereby causing an
accident. Controls
* optional
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Air conditioning
154 Function Recommendation/Notes
4 Display
5 © Sets the air distribution (Y page 162)
6 ¯ Switches the rear window heating on/off i
At very low temperatures, the rear window heating is
only switched on once the vehicle interior has warmed
up. (Y page 164)
7 Sets the temperature, right i
Set the temperature to
22 †. (Y page 159)
8 T Activates/deactivates the auxiliary heating/venti-
lation i
You
can use the residual heat to heat or ventilate the
vehicle interior after you have switched off the ignition. (Y page 165)
9 2 Activates/deactivates cooling with air dehumidifi-
cation i
Switch on the air conditioning with air dehumidifica-
tion function. The indicator lamp in the 2 button
comes on. (Y page 158)
a ª Sets the air distribution (Y page 162)
b ´ Activates/deactivates Thermatic i
Activate Thermatic. The display comes on. (Y page 158)
c · Reduces the airflow (Y page 163)Controls
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Air conditioning
156 Function Recommendation/Notes
1 Sets the air distribution, left (Y page 162)
2 y Activates/deactivates the demisting function for
the windscreen i
Only use the "demisting" function until the wind-
screen is clear again. (Y page 163)
3 $ Increases the temperature, left-hand side i
Set the temperature to 22 †. (Y page 159)
4 Display
5 $ Increases the temperature, right-hand side i
Set the temperature to
22 †. (Y page 159)
6 ¯ Switches the rear window heating on/off i
At
very low temperatures, the rear window heating is
only switched on once the vehicle interior has warmed
up. (Y page 164)
7 Sets the air distribution, right (Y page 162)
8 U
Controls the air-conditioning system automatically,
right i
Activate the automatic air conditioning. The indicator
lamp in the U button comes on. (Y page 159)
9 2 Cooling with air dehumidification on/off i
Switch on the air conditioning with air dehumidifica-
tion function. The indicator lamp in the 2 button
comes on. (Y page 158)
a % Reduces the temperature, right-hand side i
Set the temperature to
22 †. (Y page 159)Controls
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Air conditioning
158
Rear-compartment air conditioning*
1
$ To increase the temperature, left
2 Display
3 $ To increase the temperature, right
4 % To reduce the temperature, right
5 % To reduce the temperature, left Activating/deactivating the control
panel
i When the air conditioning is switched off,
the air supply and air circulation are also
switched off. Only select this setting briefly,
otherwise the windows may mist up.
X To activate: press the ´ button.
The display comes on. The previously selec-
ted settings come into effect again.
X To deactivate: press the ´ button.
The display shows 020
/OFF 21
.
i You can also press another button (apart
from the ¯ and T buttons) to acti-
vate Thermatic. Switching cooling with air-dehumidi-
fication on/off
The "cooling with dehumidification" function
is only available when the engine is running.
The air inside the vehicle is cooled and dehu-
midified according to the temperature selec-
ted. This prevents the windows from misting
up. G
Risk of accident
If the "cooling with air-dehumidification"
function is deactivated, the air inside the
vehicle will not be cooled (during warm
weather) or dehumidified. The windows
could mist up more quickly. This may pre-
vent you from observing the traffic condi-
tions, thereby causing an accident. H
Environmental note
The cooling system uses the refrigerant
R134A. This refrigerant does not damage
the earth's ozone layer.
i Condensation may drip from the under-
side of the vehicle when Thermatic is in
cooling mode.
20 Vehicles with 2-zone Thermatic.
21 Vehicles with 4-zone Thermotronic*. Controls
* optional
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Air conditioning
159
X
To switch on: press the œ button.
The indicator lamp in the œ button
comes on.
X To deactivate: press the œ button.
The indicator lamp in the œ button goes
out. The cooling with air dehumidification
function has a delayed switch-off feature.
i The cooling with air dehumidification
function in the rear compartment is only
operative if the 4-zone Thermotronic cool-
ing with air dehumidification function* is
switched on. Controlling the air conditioning auto-
matically
In automatic mode, the set temperature is
maintained at a constant level fully automat-
ically. To do so, the system automatically
regulates the temperature of the dispensed
air, the airflow and the air distribution.
The automatic air conditioning will achieve
optimal operation if "cooling with air dehu-
midification" is also activated. If necessary,
cooling

with air dehumidification can be deac-
tivated. X
Make sure that the key is in position 2 in
the ignition lock.
X Set the desired temperature.
X To activate: press the U button.
The AUTO

display for the air distribution and
airflow comes on. The indicator lamp 22
on
the U button lights up. Airflow and air
distribution are set to automatic mode.
X To deactivate: press the Q or ·
button.
The AUTO display for the airflow goes out.
The automatic control is deactivated and
the airflow is controlled according to the
selected

setting. Automatic air distribution
remains activated.
or
X 2-zone Thermatic only: press
the © or
ª air distribution button.
The AUTO display for the air distribution
goes out. The automatic control is deacti-
vated and the air distribution is controlled
according to the selected setting. Auto-
matic airflow remains activated. or
X
4-zone Thermotronic only*: turn air dis-
tribution thumbwheel 1 or 7 to the
desired symbol

(Y page 155).
The indicator lamp in the U button goes
out. The automatic control is deactivated
and the air distribution is controlled
according to the selected setting. Auto-
matic airflow remains activated. Setting the temperature
2-zone Thermatic Different temperatures can be set for the
driver's and front-passenger sides.
X
To increase/reduce: turn thumbwheels
1 and 7 clockwise or anti-clockwise
(Y

page 153). Only change the temperature
setting in small increments. Start at 22 †.
4-zone Thermotronic* The interior temperature for each of the four
air-conditioning zones can be adjusted sepa-
rately.
22 Only for vehicles with 4-zone Thermotronic*. Controls
* optional
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Air conditioning
161
Setting the centre air vents
Centre air vents
1
Centre air vent, left
2 Centre air vent, right
3 Thumbwheel for centre air vent, right
4 Thumbwheel for centre air vent, left
X To open/close: turn thumbwheels 3 and
4 up or down. Setting the side air vents Side air vents
1
Side window demister vent
2 Side air vent
3 Side air vent thumbwheel
X To open/close: turn thumbwheel 3 to the
left or right.
Setting the stowage compartment air
vent The stowage compartment can be ventilated,
for instance to cool its contents, when 2-zone
Thermatic/4-zone Thermotronic* is activa-
ted. The level of airflow to the stowage com-
partment depends on the airflow and air
distribution settings. The temperature of theair is approximately the same as that of the
air flowing from the centre air vents.
!
Close the stowage compartment air vent
when heating mode is activated and acti-
vate "cooling with air dehumidification" if
the outside temperature is high. Otherwise,
temperature-sensitive items stored in the
stowage compartment could be damaged. Stowage compartment air vent
1
Slide
X To open the vent: pull slide 1 up.
X To close the air vent: press slide 1 down. Controls
* optional
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