216 Controls in detail4-zone automatic climate control*Deactivating
Press buttonP (
page 210)
or0 (
page 211).
The indicator lamp on the button goes
out. Defrosting is turned off.
Maximum cooling MAX COOL
If the left and right air distribution controls
as well as the airflow volume control are
set toU and there is a high need for
cooling, the display “MAX COOL” appears
in the front and rear display.
This provides the fastest possible cooling
of the vehicle interior (when windows and
tilt/sliding sunroof* are closed).
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 buttonO (
page 210) or
(
page 211).
The indicator lamp on the button
comes on.
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.
Window fogging may impair visibility and
endanger you and others.
iIf you keep buttonO pressed, the
side windows and the tilt / sliding sun-
roof* will close.
217 Controls in detail
4-zone automatic climate control*
Deactivating
Press buttonO(
page 210) or
(
page 211).
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.
Warning!
G
Never operate the side windows and
tilt/sliding sunroof* if there is the possibility
of anyone being harmed by the opening or
closing procedure.
In case the procedure causes potential dan-
ger:
The closing of the side windows can be im-
mediately halted by pressing or pulling the
respective window switch. The closing of the
tilt/sliding sunroof can be immediately halt-
ed by moving the switch for the tilt/sliding
sunroof in any direction.
The closing of the side windows and the
tilt/sliding sunroof can be reversed by again
pressing and holding theO button.
iThe 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)
If you have turned off the air condition-
ing (page 210) or (
page 211) or
the outside temperature is below 41°F
(5°C), the air recirculation mode will
not switch on automatically.
iIf you keep buttonO pressed, the
side windows and the tilt/sliding sun-
roof* will return to their previous posi-
tion.
223 Controls in detail
Power windows
If the upward movement of the window is
blocked during the closing procedure, the
window will stop and open slightly.Stopping windows during Express-op-
eration
Press or pull the respective power win-
dow switch again.
Synchronizing power windows
The power windows must be synchronized
after the battery has been disconnect-
ed
if the power windows cannot be fully
opened (Express-open) or closed
(Express-close)
Synchronizing
Close all doors.
Switch on the ignition (
page 34).
Pull switch2 to 5 until the side win-
dows are completely closed.
Hold on to switches2 to 5 for ap-
proximately one second.
The power windows are synchronized.
Summer opening feature
If the weather is warm, you can ventilate
the vehicle before driving off by simulta-
neously:
opening the side windows
opening the tilt/sliding sunroof*
turning on the seat ventilation* for the
driver’s seat
Warning!
G
Driver’s door only:
If within five seconds switch is again pulled
past the resistance point and released, the
automatic reversal will not operate.!If the upward movement of the window
is blocked during the closing proce-
dure, the window will stop and open
slightly.
Remove the obstruction, pull the re-
spective power window switch again
past the resistance point and release.
If the window still does not close when
there is no obstruction, pull and hold
the respective power window switch.
The side window will then close without
the obstruction sensor function.
iThe seat ventilation* for the driver’s
seat is automatically set to the highest
level if activated via summer opening
feature.
224 Controls in detailPower windows
Aim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle. The
SmartKey or SmartKey with
KEYLESS-GO* must be in close proxim-
ity to the door handle.
Press and hold button
Œ
until the
windows and the tilt/sliding sunroof*
have reached the desired position.
Release button
Œ
to interrupt proce-
dure.
Convenience closing feature
When you lock the vehicle, you can close
the windows and the tilt/sliding sunroof*
simultaneously.
Aim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle
(page 224). The SmartKey or
SmartKey with KEYLESS-GO* must be
in close proximity to the door handle.
Press and hold button ‹ until the
windows and the tilt/sliding sunroof*
are completely closed.
Release button ‹ to interrupt pro-
cedure.
Vehicles with KEYLESS-GO*:
Press and hold button ‹ or the lock
button at the outside door handle
(page 60) until the windows and the
tilt/sliding sunroof* are completely
closed.
Release button ‹ or the lock button
at the outside door handle to interrupt
procedure.Warning!
G
When closing the windows and the tilt/slid-
ing sunroof*, be sure that there is no danger
of anyone being harmed by the closing pro-
cedure.
If potential danger exists, proceed as fol-
lows:
Release button ‹. To reverse in di-
rection of movement, press
buttonŒ for opening or button‹
for closing.
Vehicles with KEYLESS-GO*:
Pull on the door handle and hold firmly.
The side windows and the tilt/sliding
sunroof* will open for as long as the
door handle is held but the door not
opened.
225 Controls in detail
Power tilt / sliding sunroof*
Power tilt / sliding sunroof*
Opening and closing the power tilt / sliding sunroof
The tilt / sliding sunroof is opened and
closed electrically. The switch for the
tilt / sliding sunroof is on the overhead
control panel.
1Push back to slide roof open
2Push forward to slide roof closed
3Push up to raise roof at rear
4Pull down to lower roof at rearWith the sunroof closed or tilted open, a
screen can be slid into the roof opening to
guard against sun rays. When sliding the
sunroof open, the screen will also retract.
Warning!
G
When closing the tilt/sliding sunroof, make
sure there is no danger of anyone being
harmed by the closing procedure.
The opening/closing procedure of the
tilt/sliding sunroof can be immediately halt-
ed by releasing the switch or, if the switch
was moved past the resistance point and re-
leased, by moving the switch in any direc-
tion.
The tilt/sliding sunroof is made out of glass.
In the event of an accident, the glass may
shatter. This may result in an opening in the
roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening also presents a potential for injury
for occupants wearing their seat belts prop-
erly as entire body parts or portions of them
may protrude from the passenger compart-
ment.
226 Controls in detailPower tilt / sliding sunroof*
Switch on the ignition (
page 34).Opening and closing the power
tilt / sliding sunroof
To open, close, raise or lower the
tilt/sliding sunroof, move the sunroof
switch to resistance point in the re-
quired direction1to4.
Release the sunroof switch when the
tilt/sliding sunroof has reached the
desired position.
Fully opening (Express-open) and
closing (Express-close) the power
tilt/sliding sunroof
To open or close the tilt/sliding sun-
roof, move the sunroof switch past the
resistance point in the direction of
arrow1to2 and release.
The tilt/sliding sunroof opens or closes
completely.
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment can
cause an accident and/or serious personal
injury.!To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the tilt / sliding
sunroof.
Do not open the tilt/sliding sunroof if
there is snow or ice on the roof, as this
could result in malfunctions.
The tilt / sliding sunroof is opened or
closed manually should an electrical
malfunction occur (
page 407).
iYou can also open or close the win-
dows using the SmartKey, see “Sum-
mer opening feature” (
page 223) and
“Convenience closing feature”
(
page 224).
You can also close and reopen the
tilt / sliding sunroof using
the air recirculation switchO in
the control panel of the climate
control (
page 198)
or (
page 210)
227 Controls in detail
Power tilt / sliding sunroof*
Stopping the power tilt/sliding sunroof
during Express-operation
Move the sunroof switch in any direc-
tion.Synchronizing the power tilt / sliding
sunroof
The tilt / sliding sunroof must be synchro-
nized
after the battery has been disconnect-
ed or discharged
after the tilt / sliding sunroof has been
closed manually (
page 407)
after a malfunction
if the tilt / sliding sunroof does not
open smoothly
Remove the fuse from the main fuse
box (
page 434).
Reinsert the fuse in the main fuse box.
Switch on the ignition (
page 34).
Move and hold the sunroof switch in
the direction of arrow3 until the
tilt/sliding sunroof is fully raised at the
rear.
Keep holding the sunroof switch in the
direction of arrow3 for approximately
one second.
Check the Express-open feature
(page 226).
If the tilt/sliding sunroof opens com-
pletely, the roof is synchronized. Other-
wise repeat the above steps.
iIf the movement of the tilt/sliding sun-
roof is blocked during the
Express-close procedure, the tilt/slid-
ing sunroof will stop and reopen slight-
ly.
397 Practical hints
What to do if …
Display symbol
Display messages
Possible cause
Possible solution
<
Seat belt system
Drive to workshop
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
9
Service memory full
See Operator’s Manual
The maintenance system service memory
cannot save any more data.
Have the service memory checked by
an authorized Mercedes-Benz Center.
K
Close
Sunroof
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt / sliding sunroof open.
Close the tilt / sliding sunroof
(page 225).
J
Close
Sunroof
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt / sliding sunroof open.
Close the tilt / sliding sunroof
(page 225).