160 Controls in detailAutomatic climate control*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
sliding/pop-up roof* are closed).
Defrosting
Activating
Press button
P
.
The indicator lamp on the button lights
up.
Switch off air recirculation, if selected.
Press button
O
.
The indicator lamp on the button goes
out.
Close center air vents.
Adjust side air vents upwards.
Deactivating
Press button
P
.
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
.
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.
161 Controls in detail
Automatic climate control*
Deactivating
Press button
O
.
The indicator lamp on the button goes
out.
The air recirculation mode is deactivated
automatically:
after five minutes if the outside temper-
ature is below approximately 41°F
(5°C)
after five minutes if the air conditioning
is turned off
after 30 minutes if the outside temper-
ature is above approximately 41°F
(5°C)At outside temperatures above 79°F
(26°C) the system will not automatically
switch back to outside air. A quantity of
outside air is added after approximately
30 minutes.
Charcoal filter
An activated charcoal filter markedly re-
duces bad odors and removes pollutants
from air entering the passenger compart-
ment.
Activating
Press button
e
.
The indicator lamp on the button lights
up.
The system switches automatically to the
air recirculation mode if the carbon
monoxide (CO) or nitrogen oxide (NO
X)
concentration of the outside air increases
beyond a predetermined level.
iIf you keep button
O
pressed, the
side windows and the sliding/pop-up
roof* will be closed.
The air recirculation mode is activated
automatically:
at high outside temperatures
if the concentration of carbon mon-
oxide and nitrogen oxide in the out-
side air increases, for example in a
tunnel
Please note that the charcoal filter
must be activated (see below) for
the air recirculation mode to be
activated automatically.
If you have turned off the air condition-
ing (page 163) or the outside
temperature is below 41°F (5°C), the
air recirculation mode will not switch
on automatically.
iIf you keep button
O
pressed the
side windows and the sliding/pop-up
roof* will be returned to their previous
position.
162 Controls in detailAutomatic climate control*Deactivating
Press button
e
.
The indicator lamp on the button goes
out.
The automatic air recirculation mode does
not function if theACOFF
mode is selected
or if the outside temperature has fallen
below 41°F (5°C).The activated charcoal filter should be
switched off when windows fog up on the
inside, or if the passenger compartment
needs to be quickly heated or cooled
down.
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the defrost-
er as soon as the rear window is clear. The
defroster is automatically deactivated af-
ter approximately 6 to 17 minutes of oper-
ation depending on the outside
temperature.
Activating
Press button
F
.
The indicator lamp on the button lights
up.Deactivating
Press button
F
again.
The indicator lamp on the button goes
out.
iIf you keep button
e
pressed, the
side windows and the sliding/pop-up
roof* will be closed.
iIf you keep button
e
pressed, the
side windows and the sliding/pop-up
roof* will be returned to their previous
position.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.!If the rear window defroster switches
off too soon and the indicator lamp
starts blinking, this means that too
many electrical consumers are operat-
ing simultaneously and there is insuffi-
cient voltage in the battery. The system
responds automatically by deactivating
the rear window defroster.
As soon as the battery has sufficient
voltage, the rear window defroster au-
tomatically turns itself back on.
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
.
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.
The indicator lamp on the
buttonACOFF
goes out.
The air conditioning uses the
refrigerant 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
.
The indicator lamp on button
T
comes on.
Deactivating
Press button
T
.
The indicator lamp on button
T
goes off.
iCondensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.
!If the air conditioning cannot be turned
on again, this indicates that the air con-
ditioning is losing refrigerant. The com-
pressor has turned itself off.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Center.
187 Controls in detail
Power windows
Power windows
Opening and closing the windows
The side windows can be opened and
closed electrically. The switches for all the
side windows are on the driver’s door. The
switches for the respective windows are
on the front passenger and the rear doors.
1Left front window
2Right front window
3Switch for rear door window override
(
page 71)
4Right rear window
5Left rear window
Turn key in the starter switch to
position1 or2.
Opening the windows
Press switch to resistance point.
The window will move downwards until
you release the switch.
Closing the windows
Pull on switch.
The window will move upwards until
you release the switch.
Warning!
G
When closing the windows, make sure that
there is no danger of anyone being harmed
by the closing procedure.
The closing of the door windows can be im-
mediately halted by releasing the switch or,
if switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
If the window encounters an obstruction
that blocks its path in a circumstance where
you pulled the switch past the resistance
point and released it to close the window,
the automatic reversal function will stop the
window and open it slightly.
If the window encounters an obstruction
that blocks its path in a circumstance where
you are closing the window by pulling the
switch and holding it there, or by pressing
and holding button
‹
on the SmartKey,
the automatic reversal function will not
operate.
When leaving the vehicle, always remove the
key from starter switch, take it with you, and
lock your vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. Unsupervised use of
vehicle equipment can cause an accident
and/or serious personal injury.
188 Controls in detailPower windowsIf you pull and hold the switch up when
closing the window, and upward move-
ment of the window is blocked by some ob-
struction including but not limited to arms,
hands, fingers etc., the automatic reversal
will not operate.
Fully opening windows
Press switch past resistance point and
release.
The window opens completely.
Fully closing windows
Pull switch past resistance point and
release.
The window closes completely.
If the upward movement of the window is
blocked during the closing procedure, the
window will stop and open slightly.Stopping windows
Press or pull respective switch again.Opening and closing the windows with
the Smartkey
The sliding/pop-up roof* will also be
opened or closed when the power windows
are operated with the key (
page 191).
Aim transmitter eye at the front door
handle.
Warning!
G
Driver’s door only:
If within five seconds the switch1 is again
pulled past the resistance point and re-
leased, the automatic reversal will not oper-
ate.iYou can also open or close the win-
dows using the
SmartKey (summer opening/con-
venience feature), see below
button
O
in the control panel of
the climate control (
page 149) or
automatic climate control
(
page 157)
button
e
in the control panel of
the automatic climate control
(
page 157)
Warning!
G
Never operate the windows or slid-
ing/pop-up roof* if there is the possibility of
anyone being harmed by the opening or
closing procedure.
In case the procedure causes potential
danger, the procedure can be immediately
halted by releasing the control button. To
reverse direction of movement, press
button
Œ
for opening or
‹
for
closing.
189 Controls in detail
Power windows
Opening (Summer opening feature)
Press and hold button
Œ
after un-
locking the vehicle.
The windows and sliding/pop-up roof*
begin to open after approximately one
second.
Release transmit button to interrupt
procedure.Closing (Convenience feature)
Press and hold button
‹
after lock-
ing the vehicle.
The windows and sliding/pop-up roof*
begin to close after approximately one
second.
Release transmit button to interrupt
procedure.
Ensure that all side windows and the slid-
ing/pop-up roof* are properly closed be-
fore leaving the vehicle.
Synchronizing power windows
The power windows must be resynchro-
nized each time after the battery has been
disconnected.
Pull the power window switches until
the side windows are closed and hold
the switches for approximately one
second.
191 Controls in detail
Sliding/pop-up roof*
Stopping the sliding / pop-up roof
Move the switch in any direction.
If the movement of the sliding/pop-up
roof is blocked during the closing pro-
cedure, the roof will stop and reopen
slightly.Opening and closing the sliding/pop-up
roof with the SmartKey
The power windows will also be opened or
closed when the sliding/pop-up roof is op-
erated with the key (
page 188).
Aim transmitter eye at the front door
handle.
iYou can also open or close the slid-
ing/pop-up roof using the
SmartKey, see below
button
O
in the control panel of
the climate control (
page 149) or
automatic climate control
(
page 157)
button
e
in the control panel of
the automatic climate control
(
page 157)
!To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the slid-
ing/pop-up roof.
Open the sliding/pop-up roof only if
the roof is clear of snow or ice.
The sliding/pop-up roof can be opened
or closed manually should an electrical
malfunction occur (
page 289).
Warning!
G
Never operate the windows or slid-
ing/pop-up roof if there is the possibility of
anyone being harmed by the opening or
closing procedure.
In case the procedure causes potential
danger, the procedure can be immediately
halted by releasing the remote control
button. To reverse direction of movement,
press buttonŒ for opening or‹ for
closing.