2004 MERCEDES-BENZ C CLASS COUPE light

293
Practical hints
Replacing bulbs
 Replacing bulbs
Safe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp as-
semblies 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 your autho-
rized Mercedes-Benz Center for headlamp
adjustment.
Bulbs Front lamps
iBackup bulbs will be brought into use
when the following lamps malfunction:

Rear fog lamp


Tail lamps


Standing lamps
Lamp
Type
1
Additional turn sig-
nal lamps
LED
2
Turn signal lamp
Halogen headlamp
Turn signal lamp
Bi-Xenon* headlamp
1156A
2357A
3
Halogen headlamps:
Low beam
Bi-Xenon* head-
lamps:
Low and high beam
H7 (55W)
D2S-35W
4
Halogen headlamps:
High beam
Bi-Xenon* head-
lamps:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and stand-
ing lamp
W 5 W
5
Fog lamp
HB4/9006
(55 W)

294 Practical hintsReplacing bulbsRear lampsNotes on bulb replacement


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


Switch lights off before changing 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 follow-
ing lamps replaced by an authorized
Mercedes-Benz Center.

Additional turn signals in the exteri-
or rear view mirrors


High mounted brake lamp


Xenon lamps


Front fog lamps
Lamp
Type
6
Side marker lamp
5W5
7
High mounted brake
lamp
LED
8
License plate lamps
C5W
9
Brake lamp
P 21 W
Turn signal lamp
PY21W
Tail, parking stand-
ing and side marker
lamp
P21/5W
Rear fog lamp, driv-
er’s side
P21/4W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
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.
Bec a us e o f hi gh vo lt age in xen o n l am ps , i t i s
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

295
Practical hints
Replacing bulbs
Replacing bulbs for front lamps
Halogen headlamps
1 Bulb socket for turn signal lamp
2 Headlamp cover for high beam head-
lamp and for parking and standing
lamp
3 Headlamp cover for low beam head-
lamp 4
Low beam bulb
5 High beam bulb
6 Parking and standing lamp
Low and high beam bulb

Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover 2 or 3 to the
left and remove.

Turn bulb holder with bulb to the left
and pull out.

Pull out the bulb from the base (do not
pull on glass tube).

Insert new bulb so that the base fits in
the bulb holder recess and is level.

Place the bulb holder with bulb on the
headlamp mounting and turn the bulb
holder to the right until it engages.

Replace headlamp cover 2 or 3 and
turn to the right until it engages.
Front turn signal lamp bulb

Switch off the lights.

Open the hood (
page 236).

Turn bulb socket 1 to the left and pull
out.

Push bulb into socket, turn to the left
and remove.

Insert new bulb in socket, push in and
turn to the right.

Reinsert bulb socket in lamp and turn
to the right.

296 Practical hintsReplacing bulbsParking and standing lamp bulb
Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover2 to the left and
remove.

Pull out the bulb socket with the bulb.

Pull the bulb out of the bulb socket.

Insert a new bulb in the socket.

Reinstall the bulb socket.

Replace headlamp cover 2 and turn to
the right until it engages. Bi-Xenon* headlamps
1 Bulb socket for turn signal lamp
2 Cover for high beam flasher, parking
and standing lamp 3
Headlamp cover for Bi-Xenon head-
lamp
4 High beam bulb for high beam flasher
5 Bulb holder
6 Parking and standing lamp
High beam bulb for high beam flasher

Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover 2 to the left and
remove.
iIf the inside of the headlamps is fogged
up, switch the lights on for a sufficient
amount of time.
Warning!
G
Do not remove the cover
3
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.

297
Practical hints
Replacing bulbs

Turn bulb holder
5 with bulb to the left
and pull out.

Pull out bulb from the base (do not pull
on glass tube).

Insert new bulb so that the base fits in
the bulb holder recess and is level.

Place the bulb holder with bulb on the
lamp mounting and turn bulb holder to
the right until it engages.

Install cover 2 and turn to the right
until it engages. Front turn signal lamp bulb

Switch off the lights.

Open the hood (
page 236).

Turn bulb socket
1 to the left and pull
out.

Push bulb into socket, turn to the left
and remove.

Insert new bulb in socket, push in and
turn to the right.

Reinsert bulb socket in lamp and turn
to the right. Parking and standing lamp bulb

Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover
2 to the left and
remove.

Pull out the bulb socket 6 with the
bulb.

Pull the bulb out of the bulb socket.

Insert a new bulb in the socket.

Reinstall the bulb socket.

Install cover 2 and turn to the right
until it engages.

298 Practical hintsReplacing bulbsSide marker lamp bulb
Switch off the lights.

Carefully slide lamp towards rear.

Remove front end first.

Twist bulb socket counterclockwise
and pull out.

Pull bulb out of the bulb socket.

Insert new bulb in socket.

Reinstall bulb socket, push in and twist
clockwise.

To reinstall lamp, set rear end in
bumper and let front end snap into
place.
Replacing bulbs for rear lamps
Tail lamp assemblies
Switch off the lights.

Open the trunk lid (
page 85).

Turn handles2.

Remove the trim panel 1.

Press together the latches 1.

Remove bulb holder.

Gently push bulb into socket, turn
counterclockwise and remove.

Insert new bulb and reinstall bulb
socket.

Reinstall trim panel.

299
Practical hints
Replacing bulbs
1
Stop lamp
2 Back up lamp
3 Turn signal lamp
4 Tail, parking, standing and rear fog
lamp (driver’s side) License plate lamp
1 Screws

Switch off the lights.

Loosen both screws 1 and remove
lamp.

Replace the tubular lamp and reinstall
lamp.

Retighten the screws.

303
Practical hints
Flat tire
Removing the wheel
1 Alignment bolt
Unscrew upper-most wheel bolt and re-
move.

Replace this wheel bolt with the align-
ment bolt 1 supplied in the tool kit.

Remove the remaining bolts.

Remove the wheel. Mounting the new wheel
1 Wheel bolt for light alloy rims
2 Wheel bolt for light alloy spare wheel
rim size 4
1/2B x15 H2

Clean contact surfaces of wheel and
wheel hub.

Guide the spare wheel onto the align-
ment bolt and push it on.

Insert wheel bolts and tighten them
slightly.

Inflate the spare tire using the electric
pump (
page 304).
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolt
and wheel hub threads.
!Wheel bolts 2 must be used when
mounting spare wheel rim
size 4
1/2Bx15 H2 (
page 326).
The use of any wheel bolts other than
wheel bolts 2 for spare wheel rim
size 4
1/2B x15 H2 can cause physical
damage to the vehicle.
Warning!
G
Make sure to use original length wheel bolts
when remounting the original wheel after it
has been repaired.Warning!
G
Inflate spare wheel with collapsible tire only
after the wheel is properly mounted.
Inflate the spare wheel tire using the electric
air pump before lowering the vehicle.