Page 105 of 376

105 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Rear interior lights
2Right front reading lamp
3Rocker switch: Automatic control off
4Rocker switch: Automatic control on
5Rocker switch: Front interior lights on
6Left front reading lampActivating automatic control
Press the rocker switch to the center
position4.
Interior lamps are switched on in dark-
ness, when
unlocking the vehicle
opening a door
removing the SmartKey from start-
er switch
The interior lamps are switched off follow-
ing an adjustable time delay (
page 127).Deactivating automatic control
Press the rocker switch to the right
position3.
The interior lighting remains switched
off, even when
centrally unlocking the vehicle
opening a door
removing the SmartKey from the
starter switch
Manual control
Switching rear interior lights on and off
Press button1.
The lights in the rear passenger com-
partment go on.
Press button1 again.
The lights in the rear passenger com-
partment go out.
iIf the door remains open, the interior
lamps switch off automatically after ap-
proximately five minutes, when the key
is removed or in the starter switch
position0.
An interior lamp switched on manually
does not go out automatically.
Page 106 of 376

106 Controls in detailLightingSwitching right front reading lamp on
and off
Press button2.
The right reading lamp goes on.
Press button2 again.
The right reading lamp goes off.
Switching left front reading lamp on and
off
Press button6.
The left reading lamp goes on.
Press button6 again.
The left reading lamp goes off.
Switching all front interior lights on and
off
Press rocker switch in position5.
The interior lighting stays on while the
rocker switch is pressed in.
Press rocker switch to position3 or4.
The interior lighting goes out.
Door entry lamps
The appropriate door entry lamp switches
on if a door is opened in darkness and if
the interior lighting is switched to automat-
ic function.
The entry lamp switches off automatically
when the door is closed.
Trunk lamp
The trunk lamp switches on if the trunk lid
is opened.
If you leave the trunk open for an extended
period of time, the trunk lamp will switch
off automatically after approximately ten
minutes.
iIf you turn the key in the starter switch
to position0 and switch off the exterior
headlamps, the door entry lamps will
remain lit for approximately five min-
utes.
Page 154 of 376

154 Controls in detailClimate controlAir 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 climate
control system. The air in the vehicle will
then no longer be cooled or dehumidified.
Press buttonAC
OFF
(page 149).
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 (
page 149).
The indicator lamp on the
buttonAC
OFF
goes out.
The air conditioning uses the
refrigerant R134a. This refrigerant is free
of CFC’s which are harmful to the ozone
layer.
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.
Page 160 of 376

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.
Page 163 of 376

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.