2005 MERCEDES-BENZ C CLASS COUPE high beam

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

Turn exterior lamp switch to
position
B orU (
page 110).

Push the combination switch in direc-
tion of arrow 1 to switch on the high
beam.
The high beam headlamp indicator
lamp A in the instrument cluster
comes on (
page 24).

Pull the combination switch in direction
of arrow 2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lamp A in the instrument cluster
goes out.
High beam flasher

Pull the combination switch briefly in
direction of arrow 2.
Cornering fog lamps*
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
position B (
page 110)
or


the exterior lamp switch in
position U (
page 110)
or


the daytime running lamp mode
activated (
page 112)
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).

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
appear in the display. High priority
messages appear in red color.For your convenience the messages are
divided into two sections:


Text messages (
page 349)


Symbol messages (
page 357)
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 multifunction display are in
working order before starting your
journey.

367
Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
.
High beam left
The left high beam lamp is
malfunctioning.

Replace the bulb as soon as possible.
High beam right
The right high beam lamp is
malfunctioning.

Replace the bulb as soon as possible.
License plate lamp,
left
The left license plate lamp is
malfunctioning.

Replace the bulb as soon as possible.
License plate lamp,
right
The right license plate lamp is
malfunctioning.

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

In the control system, set lamp
operation to manual (
page 133).

Switch on headlamps using the
exterior lamp switch (
page 51).

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

385
Practical hints
Replacing bulbs
Front lamps
Rear lamps
Lamp
Type
1
Additional turn signal
lamps
LED
2
Halogen headlamp: Turn
signal lamp
Bi-Xenon* headlamp:
Turn signal lamp
1156 A
2357 A
3
Halogen headlamps:
Low beam
1
Bi-Xenon* headlamp:
Low and high beam
1Vehicles with Bi-Xenon* headlamps: Low beam
and high beam use the same D2S-35W lamp. Do
not replace the Xenon bulbs yourself. See an
authorized Mercedes-Benz Center.
H7 (55 W)
D2S-35 W
Lamp
Type
4
Halogen headlamps:
High beam/high beam
flasher
Bi-Xenon* headlamps:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lamps
W5W
5
Fog lamp
Front fog lamp with
cornering fog lamp
HB4 (51 W)
H7 (55 W)
6
Side marker lamp
W5W
Lamp
Type
7
High mounted brake
lamp
LED
8
License plate lamps
C 5 W
9
Brake lamp
P 21 W
Turn signal lamp
PY21W
Tail, parking, standing
and side marker lamp
P21/5W
Rear fog lamp (only
driver’s side)
P21/4W

386 Practical hintsReplacing bulbs
Notes on bulb replacement

Use only 12-volt bulbs of the same type
and with the specified watt rating.


Switch lights off before replacing a bulb
to prevent short circuits.


Always use a clean lint-free cloth when
handling bulbs.


Your hands should be dry and free of oil
and grease.


If the newly installed bulb does not
come on, visit an authorized
Mercedes-Benz Center.
Have the LEDs and bulbs for the following
lamps replaced by an authorized
Mercedes-Benz Center.


Additional turn signals in the exterior
rear view mirrors


High mounted brake lamp


Xenon* lamps


Front fog lamps
Replacing 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
position M (
page 110).

Open the hood (
page 291) (except
for side marker lamps).
Halogen headlamps
Left headlamp, mirror-image of right
headlamp1 Housing cover for low beam headlamp
2 Housing cover for high beam head-
lamp, parking and standing lamp
Warning!
G
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Keep bulbs out of reach of children.
Halogen lamps contain pressurized gas.
A bulb can explode if you

touch or move it when hot


drop the bulb


scratch the bulb
Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

387
Practical hints
Replacing bulbs
3
Bulb socket for turn signal lamp bulb
4 Bulb holder of low beam bulb
5 Bulb holder of high beam bulb
6 Bulb socket for parking and standing
lamp bulb Low beam bulb

Turn housing cover
1 counterclock-
wise and remove it.

Turn bulb holder 4 with the bulb coun-
terclockwise and remove it.

Pull the bulb at its socket out of bulb
holder 4.

Insert the new bulb so that its socket
locates in the recess of bulb holder 4
and is level to it.

Reinsert bulb holder 4 with the bulb in
the lamp and turn clockwise.

Align housing cover 1 and turn it
clockwise. High beam bulb

Turn housing cover
2 counterclock-
wise and remove it.

Turn bulb holder 5 with the bulb coun-
terclockwise and remove it.

Pull the bulb at its socket out of bulb
holder 5.

Insert the new bulb so that its socket
locates in the recess of bulb holder 5
and is level to it.

Reinsert bulb holder 5 w i t h t h e b u l b i n
the lamp and turn clockwise.

Align housing cover 2 and turn it
clockwise.

389
Practical hints
Replacing bulbs
Left headlamp, mirror-image of right
headlamp1
Housing cover for Bi-Xenon headlamp
2 Housing cover for high beam flasher,
parking and standing lamp 3
Bulb socket for turn signal lamp
4 Bulb holder for high beam flasher
5 Bulb socket for parking and standing
lamp bulb
High beam bulb for high beam flasher

Turn housing cover 2 counterclock-
wise and remove it.

Turn bulb holder 4 with the bulb coun-
terclockwise and remove it.

Pull the bulb at its socket out of bulb
holder 4.

Insert the new bulb so that its socket
locates in the recess of bulb holder 4
and is level to it.

Reinsert bulb holder 4 w i t h t h e b u l b i n
the lamp and turn clockwise.

Align housing cover 2 and turn it
clockwise.
Front turn signal lamp bulb

Turn bulb socket 3 with the bulb
counterclockwise and remove it.

Press gently onto the bulb and turn
counterclockwise out of bulb
socket 3.

Press the new bulb gently into bulb
socket 3 and turn clockwise until it
engages.

Place bulb socket 3 back into the
lamp and turn it clockwise.

437
Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight (
page 323)
Air pressure (page 323)
Alignment bolt Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
Aspect ratio (page 323)
Bar (page 323)
BAS (Brake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied. Bead
(
page 323)
Bi-Xenon headlamps* Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC (Customer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system (C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping. Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Cold tire inflation pressure (
page 323)
Collapsible tire An especially compact spare tire that
must be inflated with a provided air
pump before using. It should only be
used to bring the vehicle to the nearest
service station.
COMAND* (Cockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and navi-
gation system, as well as other optional
equipment (CD changer, telephone,
etc.).