light MERCEDES-BENZ C CLASS COUPE 2003 Owner's Manual

84 Controls in detailLocking and unlocking
Checking the batteries
Press button
‹
or
Œ
.
Battery check lamp 4 lights up briefly
to indicate that the key batteries are in
order. Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:

Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.

Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.

If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
!If you can no longer lock or unlock the
vehicle with the key, then either the
batteries in the SmartKey are dis-
charged or the key is malfunctioning or
the vehicle battery is drained.

Check the batteries in the key and
replace them if necessary
(page 276).
or


Check the vehicle battery
(page 294).
or


Use the mechanical key to unlock
the doors (
page 274) as required.
Lock the vehicle using the mechan-
ical key (
page 275).
If the key is malfunctioning, contact an
authorized Mercedes-Benz Center.
!If battery check lamp 4 does not light
up briefly during check, then the key
batteries are discharged.
Replace the batteries (
page 276).
You can obtain the required batteries
at any authorized Mercedes-Benz Cen-
ter.

91
Controls in detail
Seats
Rear seat head restraints
Removing rear head restraints
Pull head restraint to its highest posi-
tion.

Push button
1 and pull out head re-
straint.
Installing rear head restraints

Insert head restraint and push it down
until it engages.

Push button 1 and adjust head re-
straint to desired position.
Heated seats*
The switches are located in the center con-
sole.
1 Normal heating
2 Rapid heating
Make sure that the ignition is switched
on.
All the lamps in the instrument cluster
light up.
Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.

92 Controls in detailSeatsSwitching on seat heating
Press upper switch position1.
A red indicator lamp on the switch
lights up.
Switching on rapid seat heating

Press lower switch position 2.
Both red indicator lamps on the switch
light up. Switching off seat heating

If one indicator lamp is on, press upper
switch position
1.

If both indicator lamps are on, press
lower switch position 2.
!If one or both of the lamps on the seat
heater switch are blinking, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.
iThe system switches over to normal
heating mode after approximately five
minutes. Only one indicator lamp re-
mains lit. iThe seat heater will be automatically
switched off after approximately
30 minutes.

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.

98 Controls in detailLightingDaytime running lamp mode
Turn exterior lamp switch to
position
M
or
U
.
When the engine is running, the low beam
headlamps are automatically switched on.
In low ambient light conditions the parking
lamps will also switch on.
Canada only
When you shift from a driving position to
position N or P, the low beam switches off
(with a three-minute delay).
For nighttime driving you should turn the
exterior lamp switch to position
B
to
permit activation of the high beam head-
lamps.
USA only
The high beam headlamps can also be ac-
tivated when driving with the daytime run-
ning lamp mode activated and exterior
lamp switch in position
M
. To activate the daytime running lamp
mode, see “Setting daytime running lamp
mode” (
page 119).
Locator lighting and night security illu-
mination
Locator lighting and night security illumi-
nation are described in the control system
section under “Setting locator lighting”
(
page 120) and “Exterior lamps delayed
shut off” (
page 120).
Switching on front fog lamps

Make sure that the low beam head-
lamps are switched on.

Pull out exterior lamp switch to first
stop.
The green indicator lamp
‡
in the
lamp switch lights up. Switching on rear fog lamp

Make sure that the low beam head-
lamps are switched on.

Pull out exterior lamp switch to second
stop.
The yellow indicator lamp
†
in the
lamp switch lights up.
iSee notes on the exterior lamp switch
(page 96).
iFog lamps will operate with the parking
lamps and/or the low beam headlamps
on. Fog lamps should only be used in
conjunction with low beam headlamps.
Consult your State or Province Motor
Vehicle Regulations regarding allow-
able lamp operation.

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

Push the combination switch in
direction 1.
The high beam symbol is illuminated on
the instrument cluster. High beam flasher

Pull the combination switch briefly in
direction
2.
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.
1 Hazard warning flasher switch Switching 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.

100 Controls in detailLightingInterior lighting
The controls are located in the overhead
control panel.1 Rear interior lights
2 Right front reading lamp
3 Rocker switch: Automatic control off
4 Rocker switch: Automatic control on
5 Rocker switch: Front interior lights on
6 Left front reading lamp Activating automatic control

Press the rocker switch to the center
position
4.
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 121). Deactivating automatic control

Press the rocker switch to the right
position
3
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 button 1.
The lights in the rear passenger com-
partment go on.

Press button 1 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
position 0.
An interior lamp switched on manually
does not go out automatically.

101
Controls in detail
Lighting
Switching right front reading lamp on
and off
Press button
2.
The right reading lamp goes on.

Press button 2 again.
The right reading lamp goes off.
Switching left front reading lamp on and
off

Press button 6.
The left reading lamp goes on.

Press button 6 again.
The left reading lamp goes off. Switching all front interior lights on

Press rocker switch to position
5.
The front interior lamps go on.
Switching all front interior lights off

Press rocker switch to position 3 or 4.
The front interior lamps go out.iThe setting selected for the interior
lighting is used for the trunk lighting as
well.
If you leave the trunk lid open for an ex-
tended period of time, the trunk light-
ing will switch off automatically after
approximately ten minutes

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 brigh tness 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.