2005 MERCEDES-BENZ S CLASS low beam

50 Getting startedDrivingSwitching on headlamps
Low beam headlamps
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.Exterior lamp switch1Off
2Low beam headlamps on
Turn the switch toB.
The green indicator lampC in the
exterior lamp switch comes on.
For more information, see “Exterior lamp
switch” (
page 131).High beam
The combination switch is located on the
left of the steering column.
Combination switch1High beam
2High beam flasher

Push combination switch in direction of
arrow1.
The high beam headlamps are switched
on.
The high beam headlamp
indicatorA in the tachometer
comes on.
For more information, see “Lighting”
(
page 131).

131 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 50)
and “Turn signals” (
page 51).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
M
Off
Daytime running lamp mode
(page 165)
U
Automatic headlamp mode
Daytime running lamp mode
(page 165)
C
Parking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
B
Low beam headlamps (or high
beam headlamps when the combi-
nation switch is pushed forward)
and parking lamps
ˆ
Standing lamps, right (turn left one
stop)
‚
Standing lamps, left (turn left two
stops)
C
Indicator lamp for parking lamps
‡
Indicator lamp for front fog lamps
†
Indicator lamp for rear fog lamp
iIf you drive in countries where vehicles
drive on the other side of the road than
the country in which the vehicle is reg-
istered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at your authorized Mercedes-Benz Cen-
ter.

132 Controls in detailLightingManual 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 (
page 131).Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:


Low beam headlamps


Tail and parking lamps


License plate lamps


Side marker lamps.
iWith the SmartKey removed from the
starter switch or the engine turned off
with KEYLESS-GO* and the driver’s
door open, a warning sounds if the
parking lamps or low beam headlamps
are switched on.
The message
TURN OFF LIGHTS
appears in the multifunction display.
Warning!
G
If the exterior lamp switch is set toU,

the headlamps may switch off unexpect-
edly when the system senses bright am-
bient light, for example light from
oncoming traffic.


the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others, acti-
vate headlamps by turning exterior lamp
switch to B when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill. Switching from U
to B will briefly switch off the head-
lamps. Doing so while driving in low ambient
lighting conditions may result in an acci-
dent.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle's lights at all
times.iThe front fog lamps and rear fog lamp
cannot be switched on manually with
exterior lamp switch in positionU.
To activate the fog lamps, turn exterior
lamp switch to positionB and pull
the exterior lamp switch to first or sec-
ond stop (
page 134).

133 Controls in detail
Lighting

Turn the exterior lamp switch to U.
With the SmartKey in starter switch po-
sition 1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps will switch on and off
automatically.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
Daytime running lamp mode

Turn exterior lamp switch to
positionM orU.
When the engine is running, the low
beam headlamps are switched on. In
low ambient light conditions, the fol-
lowing lamps will switch on additional-
ly:

tail and parking lamps


license plate lamps


side marker lampsFor nighttime driving you should turn the
exterior lamp switch to positionB to
permit activation of the high beam head-
lamps.
Canada only
The daytime running lamp mode is manda-
tory and therefore in a constant
mode.When the engine is running, and you
shift from a driving position to positionN
orP, the low beam headlamps will switch
off with a three-minute delay.
When the engine is running, and you


turn the exterior lamp switch to
positionC, the parking lamps
switch on additionally.


turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime run-
ning lamp mode.
The corresponding exterior lamps
switch on (
page 389).USA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime run-
ning lamp mode using the control system,
see “Setting daytime running lamp mode
(USA only)” (
page 165).
When the engine is running, and you turn
the exterior lamp switch to position C
orB, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 389).
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 166) and “Setting night security il-
lumination” (
page 166).

134 Controls in detailLightingSwitching on fog lamps
Switching on front fog lamps

Switch on the low beam headlamps
(page 50).

Pull out exterior lamp switch to first
stop.
The front fog lamps are switched on.
The green indicator lamp‡ in the
lamp switch comes on (
page 131).

Push in the exterior lamp switch.
The front fog lamps are switched off.
The green indicator lamp‡ in the
lamp switch goes out (
page 131).Switching on rear fog lamp (driver’s side
only)

Switch on the front fog lamps
(page 134).

Pull out exterior lamp switch to second
stop.
The rear fog lamps are switched on.
The yellow indicator lamp† in the
lamp switch comes on (
page 131).

Push in the exterior lamp switch to first
stop.
The rear fog lamps are switched off.
The green indicator lamp‡ in the
lamp switch goes out (
page 131).
The front fog lamps remain lit.
Warning!
G
In low ambient lighting or foggy conditions,
only switch from position U to B with
the vehicle at a standstill. Switching from
U to B will briefly switch off the head-
lamps. Doing so while driving in low ambient
lighting conditions may result in an acci-
dent.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 permis-
sible lamp operation.
iFog lamps cannot be switched on with
exterior lamp switch in position
U
.
For switching on the fog lamps, turn ex-
terior lamp switch to position B first.

165 Controls in detail
Control system
Setting daytime running lamp mode
(USA only)
Move the selection marker with
theæ orç button to the
LIGHT-
ING
submenu.

Press buttonj ork repeatedly
until you see this message in the multi-
function display:
LIGHTING CIRCUIT
HEADLAMP MODE.
The selection marker is on the current
setting.

Pressæ orç to select manual
or daytime running lamp (constant)
mode. This function is not available in
countries where daytime running
lamps are mandatory.
With daytime running lamp mode selected
and the exterior lamp switch at position0,
the following lamps will come on automat-
ically when the engine is turned on:


Parking lamps and low beam head-
lamps


License plate lamps (in low ambient
light conditions)
iThis function is not available in coun-
tries where the daytime running lamp
mode is mandatory and therefore in a
constant mode.
iIf you turn the exterior lamp switch to
another position, the corresponding
lamp(s) will switch on.
For safety reasons, resetting the LIGHTING
submenu to factory settings
(
page 161) while driving will not re-
set the daytime running lamp mode.
In the multifunction display you will
then see the message:
LIGHTING –
CANNOT BE COMPLETELY RESET TO FAC-
TORY SETTINGS WHILE DRIVING
.

348 Practical hintsWhat to do if …?
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may ap-
pear in the malfunction display.
For your convenience the messages are di-
vided into two sections:

Text messages (
page 349)


Symbol messages (
page 354)
iSwitching on the ignition causes all in-
strument cluster lamps (except high
beam headlamp indicator lamp and
turn signal indicator lamps unless acti-
vated) as well as the multifunction dis-
play to come on. Make sure the lamps
and multifunction display are in work-
ing order before starting your journey.

367 Practical hints
What to do if …?
Display
Possible cause
Possible solution
.
LOW BEAM, LEFT
CHECK LIGHT
The left low beam lamp is malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

Visit an authorized Mercedes-Benz
Center as soon as possible.
LOW BEAM, RIGHT
CHECK LIGHT
The right low beam lamp is malfunction-
ing.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

Visit an authorized Mercedes-Benz
Center as soon as possible.
MARKER LIGHT, FL
CHECK LIGHT

The front left side marker lamp is mal-
functioning.

Replace the bulb as soon as possible.
MARKER LIGHT, FR
CHECK LIGHT

The front right side marker lamp is mal-
functioning.

Replace the bulb as soon as possible.
REAR FOGLIGHT
CHECK LIGHT

The rear fog lamp is malfunctioning.

Replace the bulb as soon as possible.
REVERSE LIGHT, LEFT
CHECK LIGHT
The left reverse lamp is malfunctioning.

Replace the bulb as soon as possible.
REVERSE LIGHT, RIGHT
CHECK LIGHT
The right reverse lamp is malfunctioning.

Replace the bulb as soon as possible.