Page 222 of 521

221 Controls in detail
4-zone automatic climate control*
Deactivating
Press button orQ
(page 216) or (
page 217).
The indicator lamp on the button goes
out.
AUTO
disappears in the display4
(
page 216) or (
page 217). The au-
tomatic operation of air volume switch-
es off.
or
Turn air distribution controls1
and7 (
page 216) or (
page 217)
on each side of the passenger compart-
ment to the desired symbol.
The indicator lamps on the
buttonsU go out.
AUTO
disappears
in the display4 (
page 216) or
(
page 217). The automatic operation
of air distribution switches off.
Setting the temperature
Use temperature control rocker
switches3 and5 (
page 216) or
(
page 217) to separately adjust the air
temperature on each side of the passenger
compartment. You should raise or lower
the temperature setting in small incre-
ments, preferably starting at 72°F (22°C).
The adjusted temperature appears in the
display 4 (
page 216) or (
page 217).
The climate control will adjust to the set
temperature as fast as possible.Increasing
Push top of temperature control rocker
switch3 and/or5 (
page 216) or
(
page 217).
The climate control system will corre-
spondingly adjust the interior air tem-
perature.
Decreasing
Push bottom of temperature control
rocker switch3 and/or 5
(page 216) or (
page 217).
The climate control system will corre-
spondingly adjust the interior air tem-
perature.
iYou can also adjust the temperature in
the rear passenger compartment
(page 229).
iWhen operating the climate control
system in automatic mode, you will
only rarely need to adjust the tempera-
ture, air volume and air distribution.
Page 224 of 521

223 Controls in detail
4-zone automatic climate control*
Adjusting air volume
Use buttonsU (
page 216) or
(
page 217) for automatic mode or air
volume buttons orQ
(page 216) or (
page 217) to adjust air
volume manually.
Nine blower speeds are available.
Press button to decrease or
buttonQ to increase air volume to
the desired level.
The indicator lamps on the
buttonsU go out.
AUTO
disappears
in the display4 (
page 216) or
(
page 217) and the automatic mode
is switched off. The selected blower
speed is shown in the display4.
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
side windows.
Activating
Press buttonP or 0
(page 216) or (
page 217).
The indicator lamp on the button
comes on. Display4 (
page 216) or
(
page 217) is cleared.The air conditioning switches
automatically to the following functions:
cooling on to dehumidify
maximum blowing and heating
power (depends on cooling
temperature)
air flows onto the windshield and
the front side windows
the air recirculation mode is
switched off
Deactivating
Press buttonPor 0
(page 216) or (
page 217) again.
The indicator lamp on the button goes
out. Defrosting is turned off.
The previous settings are once again in
effect.
iKeep this setting selected only until the
windshield or the side windows are
clear again.
iThe cooling remains switched on.
Page 227 of 521

226 Controls in detail4-zone automatic climate control*Deactivating
Press button, (
page 216) or
(
page 217) again.
The indicator lamp on the button goes
out.Combination filter with pollutant-sensi-
tive air-recirculation mode
The combination filter reduces pollutants
and unpleasant odors in the outside air.
The pollutant-sensitive air-recirculation
mode automatically switches off the sup-
ply of outside air when pollutants are de-
tected in the air.
iThe air recirculation mode is deactivat-
ed automatically:
after 5 minutes if the outside tem-
perature is below
approximately 41°F (5°C)
after 5 minutes if the air condition-
ing is turned off
after 30 minutes if the outside tem-
perature is above approximately
41°F (5°C)
iPress and hold button, for
approximately 2 seconds. The side
windows and or tilt/sliding sunroof*
(or tilt/sliding panel*) will return to
their previous position. You can release
button, once the opening proce-
dure has begun. The windows and
tilt/sliding sunroof* or tilt/sliding pan-
el* continue opening until they have
reached their previous position.
A window or tilt/sliding sunroof* (or
tilt/sliding panel*) will only return to its
previous position if it has not been
moved to another position using the re-
spective window switch or tilt/sliding
sunroof* (or tilt/sliding panel*) switch
after it was closed with button,.
A window or tilt/sliding sunroof* (or
tilt/sliding panel*) that has been
moved will remain in its current posi-
tion if button, is used to reopen
the remaining windows or tilt/sliding
sunroof* (or tilt/sliding panel*).
iThe pollutant-sensitive air-recirculation
mode is not possible if you have
switched off the air conditioning or if
the temperature falls below 41°F
(5°C).
Page 229 of 521

228 Controls in detail4-zone automatic climate control*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 217).
REST in the display4 (page 217)
comes on.Deactivating
Press buttonT (
page 217) again.
REST in the display4 (page 217)
goes out.
iIf you switch on the residual heat
function when temperatures are high,
only the ventilation will be switched on.iRegardless of the selected air volume,
the blower operates at low speed.
iHow long the system will provide heat-
ing depends on
the coolant temperature
the temperature set by the operator
The blower will run at speed setting1
regardless of the air distribution
control setting.
iThe 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 230 of 521

229 Controls in detail
4-zone automatic climate control*
Rear climate control
The rear climate control is adjusted via the
front climate control panel (
page 217) or
(
page 216) or the rear climate control
panel.
The rear climate control panel is located in
the rear center console.
Setting the temperature
Use temperature control rocker
switches4 and6 to separately adjust
the air temperature on each side of the
rear passenger compartment.You should raise or lower the temperature
setting in small increments, preferably
starting at 72°F (22°C). The adjusted tem-
perature appears in the display 5. The
rear climate control will adjust to the set
temperature as fast as possible.
1Temperature, left
2Temperature, right
Adjust the temperature to the desired
setting for each side of the passenger
compartment using the left and right
temperature buttons.
The temperature in the rear passenger
compartment is adjusted automatical-
ly.
1
Left rear center air vent, adjustable
2
Right rear center air vent, adjustable
3
Thumbwheel for air volume control
for right rear center air vent
4
Temperature rocker switch, right
5
Display
6
Temperature rocker switch, left
7
Thumbwheel for air volume control
for left rear center air ventiYou can also adjust the rear tempera-
ture using the front climate control
panel (
page 216) or (
page 217).
Page 231 of 521

230 Controls in detail4-zone automatic climate control*Adjusting air distribution
Push the slide for the left center
vent1 or right center vent2 to the
left, right, up, or down.
The air flow is directed in the
corresponding direction.
Adjusting air volume
Turn thumbwheel3 or 7
(page 229) up or down.
The air volume is increased or
decreased.Adjusting the rear settings with the
front control panel
You can adjust the temperature for the
rear climate control from the front climate
control panel.
Press button™ or 5
(page 216) or (
page 217).
The display switches over.
1Rear climate control display
Set the desired temperature for the
rear passenger compartment using
temperature rocker switches4
and6 (
page 229).
After approximately 5 seconds after
the last adjustment, the display switch-
es back to its standard display.
iThe rear climate control will not cool
the air when the air conditioning is
switched off (
page 227).
iFor draft-free ventilation, push
slides1 and 2 (
page 229) upward.
iYou can also press button™ or
5 (
page 216) or (
page 217)
once more to switch back to the stan-
dard display.
Page 284 of 521

283 Controls in detail
Useful features
Power outlet
The power outlet is located in the rear pas-
senger compartment.
Switch on the ignition (
page 36).
Flip up cover and insert electrical plug
(cigarette lighter type).
Heated steering wheel*
The steering wheel heating warms up the
leather area of the steering wheel.
The stalk is on the lower left-hand side of
the steering wheel.
1Indicator lamp
2Switching off
3Switching onSwitching on
Switch on the ignition (
page 36).
Turn switch at the tip of stalk in direc-
tion of arrow3.
The steering wheel is heated. Indicator
lamp1 comes on.
iThe power outlet can be used to
accommodate 12V DC electrical ac-
cessories (e.g. air pump, auxiliary
lamps) up to a maximum of 180 W.
An additional power outlet is located on
the left side in the trunk.
iThe steering wheel heating is tempo-
rarily suspended while indicator
lamp1 remains on when
the temperature of the vehicle inte-
rior is above 86°F (30°C)
the temperature of the steering
wheel is above 95°F (35°C)
When these conditions do not apply
anymore, steering wheel heating con-
tinues.
Page 307 of 521

306 OperationDriving instructionsDriving off
Apply the brakes to test them briefly after
driving off. Perform this procedure only
when the road is clear of other traffic.
Warm up the engine smoothly. Do not
place full load on the engine until the oper-
ating temperature has been reached.
When starting off on a slippery surface, do
not allow a drive wheel to spin for an ex-
tended period with the ESP
® switched off.
Doing so may cause serious damage to the
drivetrain which is not covered by the
Mercedes-Benz Limited Warranty.
Parking
!Simultaneously depressing the acceler-
ator pedal and applying the brake re-
duces engine performance and causes
premature brake and drivetrain wear.
!Set the parking brake whenever park-
ing or leaving the vehicle. In addition,
move gear selector lever to position P.
When parking on hills, always set the
parking brake and turn front wheel
against road curb.Warning!
G
Do not park this vehicle in areas where com-
bustible materials such as grass, hay or
leaves can come into contact with the hot
exhaust system, as these materials could be
ignited and cause a vehicle fire.
To reduce the risk of personal injury as a re-
sult of vehicle movement, before turning off
the engine and leaving the vehicle always:
Keep right foot on brake pedal.
Firmly depress parking brake pedal.
Move the gear selector lever to
positionP.
Slowly release brake pedal.
When parked on an incline, turn front
wheel towards the road curb.
Turn the SmartKey in the starter switch
to position0 and remove the SmartKey
from the starter switch, or press
KEYLESS-GO* start/stop button (vehi-
cles with KEYLESS-GO*).
Take the SmartKey or the SmartKey with
KEYLESS-GO* with you and lock vehicle
when leaving.