2003 MERCEDES-BENZ C320 COUPE warning light

96 Controls in detailLighting
LightingFor notes on how to switch on the head-
lamps and use the turn signals, see the
“Getting started” section (
page 47).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel
M
Off
U
Automatic headlamp mode
C
Parking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
Canada only: When engine is run-
ning, the low beam is also switched
on.
B
Low beam plus parking lamps or
high beam headlamps (combination
switch pushed forward).
ˆ
Standing lamps, right (turn left one
stop)
‚
Standing lamps, left (turn left two
stops)
iIf you remove the key and open the
driver’s door while the parking lamps or
low beam headlamps are switched on,
then

a warning sounds


$
appears in the multifunction
display


the message
TURN OFF LAMPS
ap-
pears in the multifunction display
iWith the daytime running lamp mode
activated and the engine running, the
low beam headlamps cannot be
switched off manually.

97 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on and off with the
exterior lamp switch. For exterior lamp
switch, see above.
Automatic headlamp mode
The parking lamps, low beam headlamps
and license plate lamps switch on and off
automatically depending on the brightness
of the ambient light.
Turn the exterior lamp switch to
U
.
Warning!
G
In automatic headlamp mode, the head-
lamps will not be automatically switched on
under foggy conditions. To minimize risk to
you and to others, activate headlamps by
turning exterior lamp switch to
B
.
The driver is responsible for the operation of
the vehicle’s lights at all times. The automat-
ic headlamp feature is only an aid to the driv-
er. Switch on the vehicle lights manually
when driving or when traffic conditions re-
quire you to do so.
iWith the daytime running lamp mode
activated, the low beam headlamps will
not be switched off automatically.
iFront fog lamps and rear fog lamp can
not be switched on manually with exte-
rior lamp switch in position
U
. To
activate the fog lamps, turn exterior
lamp switch to position
B
.
iIf you drive in countries where vehicles
drive on the other side of the road than
the country where the vehicle is regis-
tered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at your authorized Mercedes-Benz Cen-
ter.

99 Controls in detail
Lighting
Combination switch
The combination switch is located on the
left side of the steering column.
1High beam
2High beam flasher
Switching on high beams
Turn exterior lamp switch to
position
B
or to
U
(page 96).

Push the combination switch in
direction1.
The high beam symbol is illuminated on
the instrument cluster.High beam flasher

Pull the combination switch briefly in
direction2.
Hazard warning flasher
The hazard warning flasher can be activat-
ed with the ignition 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.

102 Controls in detailInstrument cluster
Instrument clusterA full view illustration of the instrument
cluster can be found in the “At a glance”
section of this manual (
page 22).
The instrument cluster is activated when
you:


open a door


turn on the ignition


press the reset knob (
page 22)


switch on the exterior lamps
You can change the instrument cluster set-
tings in the Instrument cluster submenu of
the control system (
page 116).
Instrument cluster illumination
Use the reset knob (
page 22) to adjust
the illumination brightness for the instru-
ment cluster.
To brighten illumination

Turn the reset knob in the instrument
cluster (
page 22) clockwise.
The instrument cluster illumination will
brighten.To dim illumination

Turn the reset knob in the instrument
cluster (
page 22) counterclockwise.
The instrument cluster illumination will
dim.
Coolant temperature gauge
iThe instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.
Warning!
G


Driving when your engine is badly over-
heated can cause some fluids which
may have leaked into the engine com-
partment to catch fire. You could be se-
riously burned.


Steam from an overheated engine can
cause serious burns and can occur just
by opening the engine hood. Stay away
f r o m t h e e n g i n e i f y o u s e e o r h e a r s t e a m
coming from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until it
cools down.

138 Controls in detailGood visibility
Good visibilityInformation on the windshield wipers
(page 48) and for setting the rear view
mirrors (
page 39) is found in the “Get-
ting started” section.
Rear view mirror
Inside rear view mirror, antiglare posi-
tion
Tilt the mirror to the antiglare night posi-
tion using the lever at its lower edge.Automatic antiglare rear view mirror*
The reflection brightness of the exterior
rear view mirror on the driver’s side and
the inside rear view mirror will respond au-
tomatically to glare when


the ignition is switched on, and


incoming light from headlamps falls on
the sensor in the inside rear view mir-
ror.The rear view mirror will not react if


reverse gear is engaged


the interior lighting is turned onWarning!
G
The automatic antiglare function does not
react if incoming light is not aimed directly
at sensors in the inside rear view mirror.
The inside rear view mirror and the exterior
rear view mirror on the driver’s side do not
react, for example, if the rear window sun-
shade is in raised position.
Glare can endanger you and others.

141 Controls in detail
Good visibility
Sun visors
The sun visors protect you from sun glare
while driving.
Swing sun visors down when you expe-
rience glare.1Mounting
2Mirror cover
3Mirror lamp
4Sun visor

To use mirror, lift up cover2.
Warning!
G
Do not use the vanity mirror while driving.
Keep the mirrors in the sun visors closed
while vehicle is in motion. Reflected glare
can endanger you and others.
iIf sunlight enters through a side win-
dow, disengage sun visor from
mounting1 and pivot to the side.
The mirror lamp3 will switch off.

147 Controls in detail
Climate control
Deactivating
Press button
O
(page 143)
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.
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
(page 143).
The indicator lamp on the button lights
up.Deactivating

Press button
F
(page 143) again.
The indicator lamp on the button goes
out.
iIf you keep button
O
pressed the
side windows and panorama slid-
ing/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.

154 Controls in detailAutomatic climate control* (Canada only)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
panorama sliding/pop-up roof* are
closed).
Defrosting
Activating
Press button
P
(page 151).
The indicator lamp on the button lights
up

Switch off air recirculation, if selected.

Press button
O
(page 151).
The indicator lamp on the button goes
out.

Close center air vents.

Adjust side air vents upwards.
Deactivating

Press button
P
(page 151).
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
(page 151).
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.