Page 208 of 522
207 Controls in detail
Dual-zone automatic climate control
Canada only1
Temperature control, driver’s side
2
Front defroster
3
Increasing air volume
4
Display
5
Air distribution
6
Rear window defroster
7
Temperature control, passenger side
8
Residual heat/ventilation
9
AC cooling on/off
a
Climate control on/off
b
Decreasing air volume
c
Air recirculation
d
Air distribution and air volume
(automatic, manual)
Page 210 of 522
209 Controls in detail
Dual-zone automatic climate control
Deactivating the climate control system
Deactivating
Press button ´ (
page 206) or
(
page 207).
Reactivating
Make sure the ignition is switched on.
Press button ´ (
page 206) or
(
page 207) again.
The previous settings are once again in
effect.Operating the climate control system
in automatic modeActivating
Press buttonU (
page 206) or
(
page 207) while the engine is run-
ning.
The indicators for automatic air volume
and air distribution in display4
(page 206) or (
page 207) come
on. Air volume and air distribution are
automatically controlled.
Use temperature controls1 and7
(page 206) or (
page 207) to sepa-
rately adjust the air temperature on
each side of the passenger compart-
ment.
The temperature of the vehicle interior
is adjusted automatically.
Warning!
G
When the climate control is switched off, the
outside air supply and circulation are also
switched off. Only choose this setting for a
short time. Otherwise the windows could
fog up, impairing visibility and endangering
you and others.
i
To switch the system on, you can also press
another button, with the exception of 1 or
F.
i
When operating the climate control system
in automatic mode, you will only rarely need to
adjust the temperature, air volume and air distri-
bution.
In automatic mode, cooling with dehumidify is
switched on. This function can be switched off.Warning!
G
If you switch off the cooling function the
windows can fog up more quickly. Window
fogging may impair visibility and endanger
you and others.
Page 211 of 522
210 Controls in detailDual-zone automatic climate controlDeactivating
Press button or Q
(page 206) or (
page 207).
The
AUTO
indicator for air volume in the
display4 (
page 206) or
(
page 207) goes out. The automatic
function for air volume is switched off,
and air volume is controlled according
to the desired setting. Automatic air
distribution remains switched on.
or
Press air distribution button5
(page 206) or (
page 207).
The
AUTO
indicator for air distribution in
the display4 (
page 206) or
(
page 207) goes out. The automatic
function for air distribution is switched
off, and air distribution is controlled ac-
cording to the desired position. Auto-
matic air volume remains switched on.
Setting the temperature
Use temperature controls1 and7
(page 206) or (
page 207) to separate-
ly adjust the air temperature on each side
of the passenger compartment. You
should raise or lower the temperature set-
ting in small increments, preferably start-
ing at 72°F (22°C). The climate control will
adjust to the set temperature as fast as
possible.
Increasing
Turn temperature control1 and/or
7 (
page 206) or (
page 207)
slightly clockwise.
The climate control system will corre-
spondingly adjust the interior air tem-
perature.Decreasing
Turn temperature control1 and/or
7 (
page 206) or (
page 207)
slightly counterclockwise.
The climate control system will corre-
spondingly adjust the interior air tem-
perature.
Page 212 of 522
211 Controls in detail
Dual-zone automatic climate control
Adjusting air distribution
Use air distribution control rocker
switch5 (
page 206) or (
page 207) to
adjust the air distribution.The following symbols are located in the
display4 (
page 206) or (
page 207):
Use air distribution control rocker
switch5 (
page 206) or
(
page 207) until the desired symbol
appears in the display4 (
page 206)
or (
page 207).
The AUTO
indicator for automatic air dis-
tribution in the display4 goes out.
The automatic function for air distribu-
tion is switched off, and air distribution
is controlled according to the desired
setting.
Opening the cockpit air vent (Canada
only) and center air vents
Turn thumbwheels1 and5
(page 204) upward.
The cockpit air vent3 and the center
air vents2 and4 are open.
Symbol
Function
b
Directs air into the entire
vehicle interior
c
Directs air to the windshield,
through the side air vents and
cockpit air vent (Canada only)
Z
Directs air to the windshield
and through the side air vents
X
Directs air to the windshield,
through the side air vents and
to the footwells
a
Directs air through the cockpit
(Canada only), center, side and
rear passenger compartment
air vents
Y
Directs air to the footwells
d
Directs air to the footwells and
through the side air vents
i
The air volume continues to be controlled
according to the indicator in the display4.
Page 213 of 522
212 Controls in detailDual-zone automatic climate controlClosing the cockpit air vent (Canada
only) and the center air vents
Turn thumbwheels1 and5
(page 204) downward.
The cockpit air vent3 and the center
air vents2 and4 are closed.
Opening the side air vents
Turn thumbwheels8 anda
(page 204) upward.
The side air vents7 andb are open.
Closing the side air vents
Turn thumbwheels8 anda
(page 204) downward.
The side air vents7 andb are
closed.
Adjusting air volume
Nine blower speeds are available.
Press button to decrease
orQ to increase air volume
(page 206) or (
page 207) to the
desired level.
The
AUTO
indicator for air volume in the
display4 (
page 206) or
(
page 207) goes out. The automatic
function for air volume is switched off,
and air volume is controlled according
to the desired setting.
Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
windows.
i
The air distribution continues to be con-
trolled according to the indicator in the
display4.
i
Keep this setting selected only until the
windshield or the windows are clear again.
Page 215 of 522
214 Controls in detailDual-zone automatic climate controlMaximum cooling MAX COOL (USA only)
You can use this setting to provide the fast-
est possible cooling of the vehicle interior
(when windows and tilt/sliding sunroof or
tilt/sliding panel* are closed).
Activating
Press button8 (
page 206).
MAX COOL
appears in the display4
(
page 206).
The air conditioning switches
automatically to the following functions:
maximum cooling
maximum blowing power
the air recirculation mode is switched
onDeactivating
Press button8 (
page 206) again.
MAX COOL
disappears in the display4
(
page 206).
The previous settings are once again in
effect.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside (e.g. before a driving
through a tunnel). This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
i
To switch the maximum cooling function off,
you can also press button ´, U, 0 or
1 (
page 206).
Warning!
G
Fogged windows impair visibility, endanger-
ing you and others. If the windows begin to
fog on the inside, switching off the air
recirculation mode immediately should clear
interior window fogging. If interior window
fogging persists, make sure the air
conditioning (
page 217) is activated, or
press button0 or P.
Page 219 of 522
218 Controls in detailDual-zone automatic climate controlActivating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press button2 (
page 206) or
(
page 207) again.
The indicator lamp on the button
comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.Residual heat and ventilation
(Canada only)
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
Switch off the ignition.
Press buttonT (
page 207).
REST
in the display4 (
page 207)
comes on.
Deactivating
Press buttonT (
page 207) again.
REST
in the display4 (
page 207)
goes out.
!
If the air conditioning cannot be turned on
again, this indicates that the air conditioning is
losing refrigerant. The compressor has turned it-
self off.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Center.
i
If you switch on the residual heat function
when temperatures are high, only the ventilation
will be switched on.
i
Regardless of the selected air volume, the
blower operates at low speed.
i
How long the system will provide heating de-
pends on
the coolant temperature
the temperature set by the operator
The blower will run at speed setting1 regardless
of the air distribution control setting.
i
The residual heat is automatically turned off:
when the ignition is switched on
after about 30 minutes
if the battery voltage drops
if the coolant temperature is too low
Page 223 of 522
222 Controls in detail4-zone automatic climate controlUSA only1
Air distribution, driver’s side
2
Front defroster
3
Temperature rocker switch, driver’s
side
4
Display
5
Temperature rocker switch,
passenger side
6
Rear window defroster
7
Air distribution, passenger side
8
Air distribution and air volume,
passenger side (automatic, manual)
9
AC cooling on/off
a
Rear air-conditioning remote control
b
Increasing air volume
c
Climate control on/off
d
Decreasing air volume
e
MAX COOL on/off
f
Air recirculation
g
Air distribution and air volume,
driver’s side (automatic, manual)
