2004 MERCEDES-BENZ CL55AMG turn signal bulb

317 Practical hints
What to do if …?
Display symbol
Display messages
Possible cause
Possible solution
.
SWITCH OFF LIGHTS!
Lamps have been turned on although the
SmartKey in the starter switch is in
position0.

Turn off the headlamps.
TURN SIGNAL F, L
CHECK LAMP!

SUBSTITUTE LAMP ON!

The left front turn signal lamp is malfunc-
tioning. A back-up bulb is being used.

Replace the bulb as soon as possible.
TURN SIGNAL F, R
CHECK LAMP!

SUBSTITUTE LAMP ON!

The right front turn signal lamp is mal-
functioning. A back-up bulb is being used.

Replace the bulb as soon as possible.
TURN SIGNAL, L
CHECK LAMP!

SUBSTITUTE LAMP ON!

The left rear turn signal lamp is malfunc-
tioning. A back-up bulb is being used.

Replace the bulb as soon as possible.
TURN SIGNAL, R
CHECK LAMP!

SUBSTITUTE LAMP ON!

The right rear turn signal lamp is malfunc-
tioning. A back-up bulb is being used.

Replace the bulb as soon as possible.
TURN SIG. MIRROR, L
CHECK LAMP!

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 Cen-
ter as soon as possible.

336 Practical hintsReplacing bulbs
Replacing bulbsSafe 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:

Turn signal lamps


Brake lamps


Parking lamps


Tail lamps
Lamp
Type
1
Additional turn sig-
nal lamps
LED
2
Turn signal lamp
1156 NA
3
High beam flasher
H7-55 W
4
Side marker lamp
W5W
5
Fog lamp
HB4-55 W
6
Parking and stand-
ing lamps
W5W
7
Low beam and high
beam
Xenon
1
D2S-35 W
1Bi-Xenon headlamps: For safety reasons (high volt-
age), do not replace the Xenon bulb yourself. See
your authorized Mercedes-Benz Center.

337 Practical hints
Replacing bulbs
Rear lamps Notes on bulb replacement


Only use 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 signal lamps in the
exterior rear view mirrors


Bi-Xenon lamps


Front fog lamps


High mounted brake lamp


Brake lamp


Rear side marker
Lamp
Type
8
High mounted brake
lamp
LED
9
Brake lamp
LED
a
Tail, parking and
standing lamp
P 21/4 W
Side marker lamp
LED
b
Backup lamp
P21W
c
License plate lamps
C5W
d
Rear fog lamp,
driver’s side
P 21/4 W
e
Turn signal lamp
PY 21 W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can get 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.
Because of high voltage in Bi-Xenon lamps,
it is dangerous to replace the bulb or repair
the lamp and its components. We recom-
mend that you have such work done by a
qualified technician.

338 Practical hintsReplacing bulbsReplacing bulbs for front lamps
1Housing cover for high beam flasher
bulb, parking and standing lamp2Electrical connector for high beam
flasher housing bulb
3Parking and standing lamp
4Bulb socket for turn signal lamp
5Bi-Xenon (low and high beam) housing
coverBi-Xenon headlamp
High beam flasher bulb

Switch off the lights.

Open the hood (
page 260).

Press ends of housing cover1 tab to-
gether and remove cover.

Press connector2 downward.

Remove connector2 with the bulb.Warning!
G
Do not remove the cover for the Bi-Xenon
headlamp. Because of high voltage in Xenon
lamps, it is dangerous to replace the bulb or
repair the lamp and its components. We rec-
ommend that you have such work done by a
qualified technician.

339 Practical hints
Replacing bulbs

Insert the new bulb so that the base lo-
cates in the recess on the holder.

From below, press connector2 with
bulb upward onto the reflector.

Align housing cover1 and click into
place.
Front turn signal bulb

Switch off the lights.

Open the hood (
page 260).

Twist bulb socket4 counterclockwise
and pull out.

Gently push bulb into socket, turn
counterclockwise and remove.

Insert new bulb in socket, push in and
twist clockwise.

Reinsert bulb socket in lamp and twist
clockwise.Parking and standing lamp bulb

Switch off the lights.

Open the hood (
page 260).

Press ends of housing cover1 tab to-
gether and remove cover.

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.

Align housing cover and click into
place.Side 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.

340 Practical hintsReplacing bulbsReplacing bulbs for rear lamps
Tail lamp assemblies
1Backup lamp (black socket)
2Turn signal lamp (white socket)
3Tail, standing and parking lamp (red
socket)
4Driver’s side: tail, parking and rear fog
lamp
Passenger’s side: tail and parking lamp
(red socket)

Switch off lights.

Open trunk.

Turn lock counterclockwise and move
the trim to the side.

Turn bulb socket counterclockwise and
pull out.

Gently twist bulb counterclockwise and
pull out of bulb holder.

Insert new bulb into the holder and turn
it clockwise.

Reinstall bulb socket.
The bulb socket should audibly click.

Replace trim and secure with lock. License plate lamp
1Screws

Switch off the lights.

Loosen both screws1 and remove
lamp.

Replace the tubular lamp and reinstall
it.

Retighten the screws.

391 Index
Automatic headlamp mode 120
Automatic lighting control
Activating 124
Deactivating 125
Automatic locking when driving 105
Automatic transmission 157
Accelerator position 163
Deactivating steering wheel gearshift
control 166
Emergency operation (Limp Home
Mode) 166
Fluid level 266
Gear ranges 159
Gear selector lever position 160
Gear shifting malfunctions 166
Kickdown 163
Manual shift program mode
(CL 55 AMG Kompressor) 164
One-touch gearshifting 158
Program mode selector switch 163
Selector lever position 157
Starting the engine 45
Steering wheel gearshift control
(Speedshift) CL 55 AMG 161
Transmission fluid 266
Winter program mode 163, 164B
BabySmart
TM
Airbag deactivation system 71, 383
Compatible child seats 71, 383
Self-test 72
Backrest supports
Lumbar region 112
Shoulder region 111
Backup lamps 337, 340
Bulbs 337
BAS 78, 383
Messages in display 302
Batteries, SmartKey
Changing 333
Check lamp 90, 91
Replacing 332
Battery discharged
Jump starting 351
Battery, SmartKey with KEYLESS-GO
Check lamp 95
Battery, SmartKey with KEYLESS-GO*
Changing 334
Checking the battery 95
Replacing 332Battery, vehicle 268, 348
Charging 349
Disconnecting 349
Reconnecting 350
Reinstalling 349
Removing 349
Bi-Xenon headlamps 383
Block heater (Canada only) 281
Blocking
Rear window operation 75
Brake assist system (BAS) 383
Brake fluid 258, 375
Brake lamp bulbs 337
Brake lamp, high mounted 337
Brake pads
Message in display 305
Brakes 248
Warning lamp 293
Break-in period 246
Bulbs, replacing 336
Additional turn signals 336
Backup lamps 337
Brake lamps 337
Fog lamps 336

400 IndexK
Key, mechanical 331
Key, SmartKey
Battery check lamp 89
Changing the batteries 333
Checking the batteries 91
Factory setting 89
Global locking 89
Global unlocking 89
Loss of 91
Positions in starter switch 31
Remote controls 88, 92
Restoring to factory setting 90
Selective setting 89
Starting the engine 45
Turning off the engine 55
Unlocking with 30
Key,SmartKey with KEYLESS-GO*
Changing the battery 334
Key-dependency memory
Settings 154
KEYLESS-GO start/stop button* 33
KEYLESS-GO* 385
Activating ignition with 33
Closing sliding/pop-up roof 194Closing windows 189
Locking the vehicle 95
Messages in display 313
Starting the engine 46
Turning off engine 56
Unlocking with 32
Keys 88
Kickdown 163, 385
Kilometers/miles in speedometer 148
Km/h or mph in speedometer 148
L
Lamp bulbs, exterior 336
Lamps, exterior
Front 336
Light sensor 315
Messages in display 315
Rear 337
Lamps, indicator and warning
ABS 292
Battery (SmartKey) 89, 94
Brakes 293
CHECK ENGINE 294
Coolant 306
Distronic*DTR* 200
Engine diagnostics 294
ESP 81, 295
Fuel reserve 296
Instrument cluster 296
PASSENGER AIRBAG OFF 71, 298
Seat belts 296
Service indicator 282
SRS 61
Tow-away alarm 84
Turn signals 23
Language
Multifunction display 149
Setting 149
LATCH child seat anchors 74
LATCH child seat mounts 74
Layout of poly-V-belt drive 363
Leather upholstery
Cleaning 290
Lever
For cruise control 202
License plate lamps
Replacing bulbs 337, 340
Light alloy wheels
Cleaning 289