fog light bulb MERCEDES-BENZ C320 2004 W203 Owner's Manual

294 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
.
FRONT FOGLIGHT, L
CHECK LIGHT!

The left front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
FRONT FOGLIGHT, R
CHECK LIGHT!

The right front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
REAR FOGLIGHT
CHECK LIGHT!

The rear fog lamp is malfunctioning.

Replace the bulb as soon as possible.
HIGH BEAM, L
CHECK LIGHT!

The left high beam lamp is
malfunctioning.

Replace the bulb as soon as possible.
HIGH BEAM, R
CHECK LIGHT!

The right high beam lamp is
malfunctioning.

Replace the bulb as soon as possible.
LIGHT SENSOR
VISIT WORKSHOP!
The lamp sensor is malfunctioning. The
headlamps switch on automatically.

In the control system, set lamp
operation to manual (
page 123).

Switch on headlamps using the
exterior lamp switch.

Visit an authorized Mercedes-Benz
Center as soon as possible.
LICENSE PLATE LIGHT, L
CHECK LIGHT!

The left license plate lamp is
malfunctioning.

Replace the bulb as soon as possible.
LICENSE PLATE LIGHT, R
CHECK LIGHT!

The right license plate lamp is
malfunctioning.

Replace the bulb as soon as possible.

310 Practical hintsReplacing bulbs
Replacing 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 your autho-
rized Mercedes-Benz Center for headlamp
adjustment.
Bulbs Front lamps
iBackup bulbs will be brought into use
when the following lamps malfunction:

Standing lamps


Tail lamps


Rear fog lamp
Lamp
Type
1
Additional turn signal
lamps
LED
2
Turn signal lamp
Halogen
Turn signal lamp
Bi-Xenon*
1156 A
2357 A
3
Halogen headlamps:
Low beam
Bi-Xenon* headlamps:
Low and high beam
H7 (55 W)
D2S-35 W
4
Halogen headlamps:
High beam
Bi-Xenon* headlamps:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lamps
W5W
5
Fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W

311 Practical hints
Replacing bulbs
Rear lamps Notes on bulb replacement


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
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
Lamp
Type
7
High mounted brake
lamp
LED
8
Brake lamp
P21W
9
Turn signal lamp
PY 21 W
a
Backup lamp
P21W
b
Tail, parking,
standing and side
marker lamp
P21/5W
c
License plate lamps
C5W
d
Rear fog lamp,
driver’s side
P21/4W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot.
Allow 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 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.

315 Practical hints
Replacing bulbs
Replacing bulbs for rear lamps
Tail lamp assemblies
Switch off lights.

Open trunk lid.
1Locking lever

Fold trim to the side.

Turn locking lever1 to vertical
position and remove bulb carrier.2Rear fog lamp, driver’s side
3Back up lamp
4Stop lamp
5Turn signal lamp
6Tail, parking, standing and side marker
lamp

Gently push bulb into socket, turn
counterclockwise and pull out.

Insert new bulb and turn clockwise.

Reinstall bulb socket.

Reinstall bulb holder and close trim
panel.License plate lamp
1Screw

Switch off the lights.

Loosen both screws1 and remove
lamp.

Replace the tubular lamp and reinstall
lamp.

Retighten the screws.

382 IndexLighting 102
Automatic headlamp mode 103
Combination switch 105
Daytime running lamp mode 104
Door entry lamps 108
Exterior lamp switch 102
Front fog lamps 105
High beams 106
Instrument cluster illumination 109
Instruments 109
Interior 107
Locator lighting 104
Low beam 102
Manual headlamp mode 103
Night security illumination 104
Parking lamps 102
Rear fog lamp 105
Settings (control system) 129
Trunk lamp 108
Limiting the gear range 144
Limp Home Mode 147Loading 209
Instructions 214
Roof rack* 209
Ski sack* 209
Split rear bench seat* 212
Locator lighting 104
Setting 130
Lock button 363
Locking 50, 82
Automatic while driving 90
Centrally from inside 91
Fuel filler flap 249
Global, SmartKey 83
Separately the trunk 89
Vehicle in an emergency 306
Loss of keys 85
Loss of Service and
Warranty Information Booklet 337
Low beam headlamps
Messages in display 295
Replacing bulbs 310, 312
Lowering
Vehicle 321Lubricants
Technical data 349
M
Main dimensions 347
Maintenance 12, 265
Vehicles with E85 fuel 355
Malfunction
Displaying 122
Malfunction memory 122
Calling up 122
Clearing 122
Manual headlamp mode 103
Manual operations
Fuel filler flap 308
Interior lighting control 107
Locking the trunk 89
Locking the vehicle 306
Sliding/pop-up roof* 309
Unlocking the driver’s door 305
Unlocking the trunk 90, 306
Unlocking transmission
gear selector lever 308

392 IndexStopping
Sliding/pop-up roof* 204
Windows 201
Storage compartments
Armrest 218
Glove box 216
Ventilated compartment 160
Storage spaces
Cup holder in front
of seat armrest 217
Cup holder in rear seat armrest 218
Storing (Memory function*)
Positions into memory 100
Submenus
Convenience 133
For settings 115
In control system 117
Instrument cluster 126
Lighting 129
Resetting functions in
Control system 124
Selecting 124
Settings menu 124
Vehicle 132Sun visors 151
Sunshade* 152
Supplemental Restraint System see SRS
Switching
Fuel (Flexible fuel vehicle) 354
Switching off
Audio system 176
Automatic central locking
(control system) 133
Delayed (exterior lamps) 131
Engine 52
ESP 75
Hazard warning flasher 106
Headlamps 51
Rapid seat heating* 98
Seat heating* 98
Switching on
Audio system 176
Automatic central locking
(control system) 133
ESP 76
Front fog lamps 105Hazard warning flasher 106
Headlamps 46
High beams 106
Rapid seat heating* 98
Rear fog lamp 105
Seat heating* 98
Windshield wipers 48
Symbols 15
Synchronizing
ESP 282
Power windows 202
Sliding/pop-up roof* 205
T
Tachometer 23, 111
Displaying gear range 144
Overspeed range 111
Tail lamps
Cleaning 269
Replacing bulbs 311, 315
Tar stains 268