2003 MERCEDES-BENZ C240 4MATIC tail bulb

275 Practical hints
What to do if …
.
TAIL LAMP, L
CHECK LAMPS!

SUBSTITUTE LAMP ON!

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
TAIL LAMP, R
CHECK LAMPS!

SUBSTITUTE LAMP ON!

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
SIDE MARKER LAMP, LF
CHECK LAMPS!

SUBSTITUTE LAMP ON!

The left parking lamps are
malfunctioning. A backup bulb is being
used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
SIDE MARKER LAMP, RF
CHECK LAMPS!

SUBSTITUTE LAMP ON!

The right parking lamps are
malfunctioning. A backup bulb is being
used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
AUTOM. LIGHT ON
REMOVE KEY!
Key in the starter switch position1 or2.

Remove key from the starter switch.
LIGHTS
TURN OFF LAMPS!
This display appears if the driver’s door is
opened with the engine shut off and no
key in the starter switch.

Insert key in the starter switch.

Switch off lights.
<
SEAT BELT SYSTEM
VISIT WORKSHOP!
The seat belt system is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your
passengers to fasten seat belts.

Fasten the seat belts.
Display
Possible cause
Suggested solution

290 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:

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
Low beam Halogen
Low and high beam
H7 (55 W)
Bi-Xenon*
4
High beam
H7 (55 W)
Parking and
standing lamps
W5W
5
Fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W

291 Practical hints
Replacing bulbs
Rear lamps Notes 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 light
up, 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


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
10
Backup lamp
P21W
11
Tail, parking,
standing and side
marker lamp
R5W
12
License plate lamps
C5W
13
Rear fog lamp,
driver’s side
P21W
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.
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.

295 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 remove.

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.

349 Index
Automatic transmission 138
Accelerator position 143
Emergency operation
(Limp Home Mode) 143
Fluid level 238
Gear ranges 140
Gear selector lever position 141
Gear shifting malfunctions 143
Kickdown 143
Manual shifting 139
One-touch gearshifting 139
Program mode selector switch 142
Selector lever position 138
Starting with 44
Transmission fluid 238
Winter program mode 142
Auxiliary fuse box 313
B
BabySmart
TM
Airbag deactivation system 67, 341
Compatible child seats 67, 341
Self-test 67
Backrest
Folding forward 200
Folding rearward 200
Backrest tilt 33Backup lamps 291, 295
Bulbs 291
BAS 74, 341
Messages in display 263
Batteries, SmartKey
Changing 286, 287
Check lamp 85
Checking 86
Battery discharged
Jump starting 306
Battery, vehicle 240, 303
Charging 304
Disconnecting 304
Messages in display 278
Reconnecting 305
Reinstalling 304
Removing 304
Bi-Xenon headlamps* 341
Bi-Xenon type*
Front lamp bulbs 293
Block heater 246
Blocking
Rear door window operation 71
Bolts
For Minispare wheel 284
For spare wheel 282Brake assist system (BAS) 341
Brake fluid 332
Checking 234
Brake lamp bulbs 291
Brake lamp, high mounted 291
Brake pads
Message in display 265
Brakes 224
Warning lamp 258
Break-in period 222
Bulbs, replacing 290
Additional turn signals 290
Backup lamps 291
Brake lamps 291
Fog lamps 290
Front lamps 290
High beam 290
High mounted brake lamp 291
License plate lamps 291, 295
Low beam 290
Parking lamps 290, 291, 293, 294
Rear fog lamp 291, 295
Side marker lamps 290, 294
Standing lamps 290, 291, 293, 294
Tail lamp assemblies 291, 295
Turn signal lamps 290, 291

362 IndexProblems
While driving 49
With vehicle 17
Product information 9
Program mode selector switch 344
Automatic transmission 142
Q
Quick search
Phone book* 136
R
Radio
Selecting stations 117
Station search 117
Station selection setting 128
Radio mode 171
Radio see Radio mode
Radio transmitters, control and
operation 230
Range (distance to empty)
Calling up 133
Rapid seat heating*
Switching on 97
Reading lamp 27
Rear bench seat
Foldable* 199Rear door window
Blocking operation 71
Rear fog lamp 291
Bulb 291
Switching on 103
Rear lamp bulbs
Replacing 295
Rear lamps see Tail lamps
Rear outer seats
Adjusting head restraint height 37
Rear passenger compartment
Adjustable air vents 155, 164
Rear seat head restraints
Adjusting 35
Adjusting tilt 36
Folding back 36
Folding back with switch 36
Installing 95
Outer seats 95
Placing upright 36
Removing 95
Rear view mirror automatic
antiglare* 144
Rear view mirrors see Mirrors
Rear window defroster 153, 162
Rear window sunshade* 147Reconnecting
Vehicle battery 305
Refrigerant
Air conditioning 332
Regular checks 234
Reinstalling vehicle battery 304
Remote control
Integrated 218
SmartKey 84
Remote door unlock
With Tele Aid* 216
Remote Vehicle Diagnostics 344
Removing
Minispare wheel 283
Spare wheel 281
Vehicle battery 304
Vehicle tool kit 279
Wheel 299
Wiper blade insert 296
Wiper blades 296
Replacing
Backup lamp bulbs 295
Brake lamp bulbs 295
Bulbs 290
Front lamp bulbs 292
Front turn signal bulbs 292, 293

366 IndexSteering gear oil
Message in display 276
Steering wheel
Adjusting 37
Buttons 24
Cleaning 252
Electrical adjustment* 38
Height adjustment 38
Manual adjustment 37
Stolen vehicle
Tracking services 217
Stopping
Sliding/pop-up roof* 191
Windows 188
Storage compartments
Armrest 205
Glove box 203
Ventilated compartments 155
Storage spaces
Cup holder 204
Storing (Memory function*)
Positions into memory 99
Submenus 115
Convenience 129
For settings 113
In control system 115Instrument cluster 122
Lighting 125
Resetting functions in
Control system 120
Selecting 120
Settings menu 120
Vehicle 128
Sun visors 146
Sunshade* 147
Supplemental Restraint System
(SRS) 344
Switching
Fuel (Flexible fuel vehicle) 334
Switching off
Audio system 168
Automatic central locking
(control system) 129
Delayed (exterior lamps) 126
Engine 53
ESP 76
Hazard warning flasher 104
Headlamps 52
Seat heating* 97Switching on
Audio system 168
Automatic central locking
(control system) 129
ESP 77
Front fog lamps 103
Hazard warning flasher 104
Headlamps 47
High beams 104
Rapid seat heating* 97
Rear fog lamp 103
Seat heating* 97
Windshield wipers 48
Symbols 15
Synchronizing
Power windows 189
Sliding/pop-up roof* 192
T
Tachometer 23, 109
Displaying gear range 140
Overspeed range 109
Tail lamps
Cleaning 251
Replacing bulbs 291, 295
Tar stains 250