2003 MERCEDES-BENZ S430 4MATIC interior lights

124 Controls in detailLightingHazard warning flasher
The hazard warning flasher can be activat-
ed with the starter switched on or off. It is
activated automatically when an airbag is
deployed.
The switch is located on the center con-
sole.
1Hazard warning flasher switchSwitching on the hazard warning
flasher

Press the hazard warning flasher
switch.
All turn signals will blink.
Switching off the hazard warning
flasher

Press hazard warning flasher switch
again.
Interior lighting
The controls are located in the overhead
control panel.
1Left front reading lamp
2Rear interior lights
3Right front reading lamp
4Rocker switch for automatic control
system
iWith the hazard warning flasher acti-
vated and the combination switch set
for either left or right turn, only the re-
spective left or right turn signals will
operate when the SmartKey in the
starter switch is in position1 or2.iIf the hazard warning flasher was acti-
vated automatically, press switch1
twice.

126 Controls in detailLightingSwitching rear interior lights on
Press switch2.
The rear compartment lighting is
switched on.
Switching rear interior lights off

Press switch2.
The rear compartment lighting is
switched off.
Front reading lamps
Switching on

Press switch 1 or 3.
The corresponding reading lamp is
switched on.
Switching off

Press switch 1 or 3.
The corresponding reading lamp is
switched off.
Courtesy lighting
For better orientation in the dark, courtesy
lamps will illuminate the interior of your ve-
hicle as follows:
With parking lamps switched on:

the door entry lamps


the driver and passenger footwells
With SmartKey in starter switch position1:


the door entry lamps


the center consoleiIf you turn the SmartKey in the starter
switch to position0 and switch off the
headlamps, the door entry lamps will
remain lit for approximately five min-
utes.

177 Controls in detail
Automatic climate control
Setting the temperature
Use temperature controls (
page 175)
10for the left side or8 for the right side to
separately adjust the air temperature on
each side of the passenger compartment.
You should raise or lower the temperature
setting in small increments, preferably
starting at 72°F (22°C).
Increasing / decreasing

Press button 10 or 8 repeatedly until
the display shows the desired tempera-
ture.
The automatic climate control system
will correspondingly adjust the interior
air temperature.Adjusting the temperature for center
air vents
When outside temperatures are low, you
can manually raise the air temperature for
the center and side air vents.
Thumbwheel4 is located between the cen-
ter air vents (
page 174).
Automatic temperature control

Turn thumbwheel 4 to A.
The indicator lamp above the thumb-
wheel lights up. The temperature is au-
tomatically adjusted to the set value.Turning on warm air

Turn thumbwheel 4 in the direction of
the white marking.
Warm air will enter from the center air
vent.
Turning on cooler air

Turn thumbwheel4 in the direction of
the blue marking.
Cooler air will enter from the center air
vent.
iWhen operating the climate control
system in automatic mode, you will
only rarely need to adjust the tempera-
ture, air volume and air distribution.

184 Controls in detailAutomatic climate controlAir conditioning
The air conditioning is operational while
the engine is running and cools the interior
air to the temperature you have set.
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
(page 175).
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 175).
The indicator lamp on the AC
OFF
but-
ton goes out.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Storage compartment ventilation
The storage compartment below the front
armrest (
page 225) has its own air vent.
Ventilation of the storage compartment
below the front armrest is possible only
when the climate control system is on. The
air volume depends on the setting of the
air distribution control, the air volume con-
trol, and the air vents in the dashboard.
The switch is located inside the storage
compartment in the front armrest
(
page 225).
Opening air vent

Push upper portion of switch.
Closing air vent

Push lower portion of switch.
iCondensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.
!If the AC
OFF
button on the automatic
climate control panel starts to blink,
the air conditioning may be losing re-
frigerant. The compressor was turned
off. The air conditioning cannot be
turned on again.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Center.