2005 MERCEDES-BENZ CLK500 CABRIOLET low beam

125 Controls in detail
Lighting
Fog lamps
Front fog lamps

Switch on the low beam headlamps
(page 50).

Pull out the exterior lamp switch to first
stop.
The front fog lamps switch on.
The green indicator lamp‡ in the
exterior lamp switch comes on
(page 122).

Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.Rear fog lamp (driver’s side only)

Switch on the front fog lamps
(page 125).

Pull out the exterior lamp switch to
second stop.
The rear fog lamp switches on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 122).

Push in the exterior lamp switch to first
stop.
The rear fog lamp switches off.
The yellow indicator lamp† in the
exterior lamp switch goes out.
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
fromU to B will briefly switch off the
headlamps. Doing so while driving in low
ambient lighting conditions may result in an
accident.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
the exterior lamp switch in
positionU. For switching on the fog
lamps, turn the exterior lamp switch to
positionB first.

126 Controls in detailLightingCombination switch
The combination switch is located on the
left of the steering column.Combination switch1High beam
2High beam flasherHigh beam

Turn the exterior lamp switch to
positionB orU (
page 122).

Push the combination switch in
direction of arrow1 to switch on the
high beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).

Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher

Pull the combination switch briefly in
direction of arrow2.Cornering fog lamps* (CLK 320 with
Bi-Xenon* headlamps)
The cornering fog lamps improve illumina-
tion of the road into which you are turning.
Cornering fog lamps will operate with the
engine running and with

the exterior lamp switch in
positionB (
page 122)
or


the exterior lamp switch in
positionU (
page 122)
or


the daytime running lamp mode
activated (
page 124)
iCornering fog lamps will only come on
in low ambient lighting conditions.
The cornering fog lamps function is not
available at a vehicle speed above
25 mph (40 km/h).

152 Controls in detailControl systemSetting daytime running lamp mode
(USA only)
Move the selection marker with
buttonæ orç to the
Lighting

submenu.

Press buttonj ork repeatedly
until the message
Lamp circuit
headlamp
appears in the multifunction
display.
The selection marker is on the current
setting.

Press buttonæ orç to select
manual operation (
manual
) or daytime
running lamp mode (
constant
) activat-
ed.
With daytime running lamp mode activated
and the exterior lamp switch in
positionM or U the low beam
headlamps are switched on when the
engine is running.
In low ambient light conditions the
following lamps will switch on additionally:


Parking lamps


Tail lamps


License plate lamps


Side marker lampsFor more information on the daytime run-
ning lamp mode, see “Lighting”
(
page 122).
iThis function is not available in
countries 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 143) while driving will not
deactivate the daytime running lamp
mode.
The following message appears in the
multifunction display:
Lighting – Cannot be completely
reset to factory settings while
driving
.

364 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
appear in the display.
For your convenience the messages are
divided into two sections:

Text messages (
page 365)


Symbol messages (
page 374)
iSwitching on the ignition causes all
instrument cluster lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless
activated) as well as the multifunction
display to come on. Make sure the
lamps and the multifunction display are
in working order before starting your
journey.

384 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
.
High beam, left
The left high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible.
High beam, right
The right high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible.
Lamp sensor
Drive to workshop
The lamp sensor is malfunctioning. The
headlamps switch on automatically.

In the control system, set lamp opera-
tion to manual (
page 152).

Switch on headlamps using the exteri-
or lamp switch.

Visit an authorized Mercedes-Benz
Center as soon as possible.
License plate lamp,
left
The left license plate lamp is malfunction-
ing.

Replace the bulb as soon as possible.
License plate lamp,
right

The right license plate lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
Low beam, left
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.

385 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
.
Low beam, right
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.
Parking lamp
front left

The left front parking lamp is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Parking lamp
front right

The right front parking lamp is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Rear foglamp
back-up lamp on

The foglamp is malfunctioning. A back-up
bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Reverse lamp, left
The left backup lamp is malfunctioning.

Replace the bulb as soon as possible.
Reverse lamp, right
The right backup lamp is malfunctioning.

Replace the bulb as soon as possible.
Side marker lamp
front left
The front left side marker lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
Side marker lamp
front right
The front right side marker lamp is mal-
functioning.

Replace the bulb as soon as possible.
Tail lamp left
back-up lamp on

The left tail lamp is malfunctioning. A
back-up bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.

414 Practical hintsReplacing bulbsSafe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp
assemblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See an authorized
Mercedes-Benz Center for headlamp ad-
justment.
Bulbs Front lamps
iIf the headlamps or front fog lamps are
fogged up on the inside as a result of
high humidity, driving the vehicle a
distance with the lights on should clear
up the fogging.iBack-up bulbs will be brought into use
when lamps malfunction. Observe the
messages in the multifunction display
(page 383).
Lamp
Type
1
Additional turn signal
lamp
LED
2
Turn signal lamp
1156 NA
3
Halogen headlamp:
Low beam
Bi-Xenon* headlamp:
Low and high beam
1
1Vehicles with Bi-Xenon headlamps* do not replace
the Bi-Xenon bulbs yourself.
H7 (55 W)
D2S-35 W
4
Halogen headlamp:
High beam/high beam
flasher
Bi-Xenon* headlamp:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lamp
W 5 W
5
Front fog lamp
Front fog lamp with
cornering fog lamp*
HB4 (51 W)
H7 (55 W)
6
Side marker lamp
W 5 W

416 Practical hintsReplacing bulbsReplacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 122).

Open the hood (
page 305) (except
for side marker lamps).
Front lamps halogen-type
1Housing cover for low beam headlamp
2Housing cover for high beam head-
lamp, parking and standing lamp3Bulb socket for turn signal lamp bulb
4Bulb holder of low beam bulb
5Bulb holder of high beam bulb
6Bulb socket for parking and standing
lamp bulbLow beam bulb

Turn housing cover1 counterclock-
wise and remove it.

Turn bulb holder4 with the bulb coun-
terclockwise and remove it.

Pull the bulb at its socket out of bulb
holder4.

Insert the new bulb so that its socket
locates in the recess of bulb holder4
and is level to it.

Reinsert bulb holder4 with the bulb in
the lamp and turn clockwise.

Align housing cover1 and turn it
clockwise.