Page 217 of 506

215 Controls in detail
4-zone automatic climate control*
Residual heat and ventilation (available on climate control panel design A 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
Turn the SmartKey in the starter switch
to position0 or1, or remove it from
the starter switch.
Press buttonT(
page 206).
REST in the display comes on.
Deactivating
Press buttonT(
page 206).
REST in the display goes out.The residual heat is automatically turned
off
when the ignition is switched on
after about 30 minutes
if the battery voltage drops
!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.
iHow long the system will provide heat-
ing depends on the coolant tempera-
ture and the temperature set by the
operator. The blower will run at speed
setting 1 regardless of the air distribu-
tion control setting.
Page 218 of 506

216 Controls in detail4-zone automatic climate control*Rear air conditioning
1Left rear center air vent, adjustable
2Right rear center air vent, adjustable
3Thumbwheel for air volume control for
right rear center air vent
4Temperature rocker switch, right
5Display
6Temperature rocker switch, left
7Thumbwheel for air volume control for
left rear center air vent
Display1Temperature, left
2Temperature, right
Basic settings
We recommend setting the temperature
on both the left- and right-hand sides to
72°F (22°C). This ensures a pleasant tem-
perature in the rear of the vehicle.
The temperatures for the left- and
right-hand sides can be set using tempera-
ture rocker switches4 and6.Adjusting the rear settings with the
front control panel
Display
Press the™ button (
page 206) or
the5 button (
page 207).
The display switches over.
The temperature for the rear left- and
right-hand sides of the vehicle can be set
with temperature rocker switches3
and5.
The temperature display disappears ap-
proximately five seconds after the last
SmartKey confirmation and switches back
to the normal display.
Page 219 of 506
217 Controls in detail
4-zone automatic climate control*
Heater booster system (Diesel engine)
Your vehicle is equipped with a heater
booster system. A PTC heating element
(page 475) ensures that the vehicle inte-
rior is warmed up as quickly as possible
when the engine has not reached its nor-
mal operating temperature yet.
The heater booster system switches on au-
tomatically if required.iThe normal display will appear when
the™ button or the button5 is
pressed again.iIf the cooling function for the air condi-
tioning is switched off with the
±button (
page 206), the heater
booster system is deactivated too.
Page 220 of 506

218 Controls in detailPower windowsOpening and closing the windows
The side windows are opened and closed
electrically. The switches for all of the side
windows are on the driver’s door. The
switches for the respective windows are
on the front passenger door and the rear
doors.
1Rear window override switch
(
page 83)
2Right front window
3Right rear window
4Left rear window
5Left front window
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.
The door windows are equipped with the ex-
press-close and automatic reversal func-
tion. If the window encounters an
obstruction that blocks its path in a circum-
stance 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
t h a t b l o c k s i t s p a t h i n a c i r c u m s t a n c e w h e r e
you are closing the window by pulling and
holding the switch, by pressing and holding
button ‹ on the SmartKey,
or by pressing and holding the lock button
(vehicles with KEYLESS-GO*) on the door
handle, the automatic reversal function will
not operate.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment can cause an accident
and/or serious personal injury.iYou can also open or close the win-
dows using the SmartKey, see “Sum-
mer opening feature” (
page 220) and
“Convenience closing feature”
(
page 221).
You can close and reopen the windows
using the air recirculation buttonO
in the control panel of the climate con-
trol (page 194) or (
page 206).
Page 221 of 506

219 Controls in detail
Power windows
Switch on the ignition (
page 33).
Opening the windows
Press switch2 to 5 to the resistance
point.
The corresponding window will move
downwards until you release the
switch.Closing the windows
Pull switch2 to 5 to the resistance
point.
The corresponding window will move
upwards until you release the switch.
Fully opening the windows
(Express-open)
Press switch2 to 5 past the resis-
tance point and release.
The corresponding window opens com-
pletely.Fully closing the windows
(Express-close)
Pull switch2 to 5 past the resis-
tance point and release.
The corresponding window closes com-
pletely.
iOperating the windows from the rear is
not possible if you activate the override
switch (
page 83).
iWith the SmartKey in starter switch po-
sition 0 or removed from the starter
switch, the power windows can be op-
erated:
until you open the driver’s or front
passenger’s door
for at least five minutes.
Warning
G
If you pull and hold the switch up when clos-
ing the window, and upward movement of
the window is blocked by some obstruction
including but not limited to arms, hands, fin-
gers, etc., the automatic reversal will not op-
erate.
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.
Page 222 of 506

220 Controls in detailPower windowsStopping 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 33).
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* or
tilt/sliding panel*
turning on the seat ventilation* for the
driver’s seat
!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.
Page 223 of 506

221 Controls in detail
Power windows
With the vehicle unlocked, aim trans-
mitter eye of the SmartKey or Smart-
Key with KEYLESS-GO* at the driver’s
outside door handle.
Vehicles without panorama roof*
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.Vehicles with panorama roof*
If roller sunblinds are closed:
Press and hold button
Œ
. The win-
dows and roller blinds begin to open af-
ter approximately one second.
With the windows and roller blinds fully
opened, press and hold button
Œ
again. The tilt/sliding panel of the pan-
orama roof* tilts and opens.
If roller sunblinds are open:
Press and hold button
Œ
. The win-
dows move down and the tilt/sliding
panel tilts and opens after approxi-
mately one second.
Release button
Œ
to interrupt proce-
dure.
Convenience closing feature
When you lock the vehicle, you can close
the windows, tilt/sliding sunroof* or
tilt/sliding panel* simultaneously.
Aim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle
(page 220).
Press and hold button ‹ until the
windows, the tilt/sliding sunroof* or
tilt/sliding panel* are completely
closed.
Vehicles with panorama roof*:
Press and hold button ‹ again. The
roller sunblinds close.
Release button ‹ to interrupt pro-
cedure.
Page 224 of 506
222 Controls in detailPower windowsVehicles with KEYLESS-GO*:
Press and hold button ‹ or the lock
button at the outside door handle
(page 58) until the windows, the
tilt/sliding sunroof* or tilt/sliding pan-
el* 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* or the tilt/sliding panel*, be
sure that there is no danger of anyone being
harmed by the closing procedure.
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* or the tilt/sliding panel* will
open for as long as the door handle is
held but the door not opened.