2005 MERCEDES-BENZ C CLASS COUPE turn signal bulb

369
Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
.
Switch off lights.
This display appears if the driver’s door is
opened and no SmartKey is in the starter
switch.

Switch off the headlamps.
Taillamp left
Substitute bulb on

The left tail lamp is malfunctioning.
A substitute bulb is being used.

Replace the bulb as soon as possible.
Taillamp right
Substitute bulb on

The right tail lamp is malfunctioning.
A substitute bulb is being used.

Replace the bulb as soon as possible.
Turn signal
left front
The left front turn signal lamp is
malfunctioning.

Replace the bulb as soon as possible.
Turn signal
right front
The right front turn signal lamp is
malfunctioning.

Replace the bulb as soon as possible.

370 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
.
Turn signal
left mirror
The left turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Turn signal
right mirror
The right turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Turn signal
left rear
Substitute bulb on

The left rear turn signal lamp is
malfunctioning. A substitute bulb is being
used.

Replace the bulb as soon as possible.
Turn signal
right rear
Substitute bulb on

The right rear turn signal lamp is
malfunctioning. A substitute bulb is being
used.

Replace the bulb 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.

388 Practical hintsReplacing bulbsFront turn signal lamp bulb
Turn bulb socket3 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. Parking and standing lamp bulb

Turn housing cover
2 counterclock-
wise and remove it.

Pull out bulb socket 6 with the bulb.

Pull the bulb out of bulb socket 6.

Press the new bulb into bulb socket 6.

Press bulb socket 6 back into the
lamp.

Align housing cover 2 and turn it
clockwise. Bi-Xenon* headlamps
Warning!
G
Do not remove the cover
1
for the
Bi-Xenon headlamp. Because of high voltage
in Bi-Xenon lamps, it is dangerous to replace
the bulb or repair the lamp and its compo-
nents. We recommend that you have such
work done by a qualified technician.

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.

391
Practical hints
Replacing bulbs
3
Tab
4 Bulb socket for side marker lamp bulb
Press tabs 3 together.

Remove the bulb carrier.

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

Press the new bulb gently into its bulb
socket and turn clockwise until it en-
gages. 5
Brake lamp bulb
6 Backup lamp bulb
7 Turn signal lamp bulb
8 Rear fog lamp bulb (only driver’s side),
tail, parking and standing lamp

Reinstall the bulb carrier.
Let tabs 3 engage.

Reinstall trim panel 2.

Turn latches 1 counterclockwise. Side marker lamp
The bulb socket for the side marker lamp
bulb is located between the bulb carrier
and the vehicle’s body.

Open the trunk lid.

Turn latches
1 on respective trim
panel 2 clockwise.

Fold trim panel 2 to the side.

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

Pull the bulb out of bulb socket 4.

Press the new bulb into bulb socket 4.

Press bulb socket 4 back into its
holder.

Reinstall trim panel 2.

Turn latches 1 counterclockwise.