2004 MERCEDES-BENZ C320 4MATIC WAGON low beam

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

312 Practical hintsReplacing bulbsReplacing bulbs for front lamps
Halogen headlamps
1Bulb socket for turn signal lamp
2Headlamp cover for high beam head-
lamp and for parking and standing
lamp
3Headlamp cover for low beam head-
lamp4Low beam bulb
5High beam bulb
6Bulb socket for parking and standing
lamp
Low and high beam bulb

Switch off the lights.

Open the hood (
page 252).

Press the clamp and remove headlamp
cover2 or3.

Pull electrical connector off.

Unclip the retainer springs and take out
the bulb.

Insert the new bulb so that the base
locates in the recess on the holder.

Clip the retainer springs and plug the
connector onto the bulb.

Align headlamp cover2 or3 and
click into place.
Front turn signal lamp bulb

Switch off the lights.

Open the hood (
page 252).

Twist bulb socket1 counterclockwise
and pull out.

Push bulb into socket, turn counter-
clockwise and remove.

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

Reinsert bulb socket in lamp and twist
clockwise.

357 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
BabySmart
TM1
airbag deactivation
system
This system detects if a special system
compatible child restraint seat is
installed on the front passenger seat.
The system will automatically deacti-
vate the passenger front airbag when
such a seat is properly installed
(PASS. AIRBAG OFF indicator lamp
located in the center console comes
on). See your authorized
Mercedes-Benz Center for availability.BabySmart
TM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the
passenger front airbag if a
BabySmartTM compatible child seat is
installed.
BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking
situations. The system is activated
when it senses an emergency based on
how fast the brake is applied.
Bi-Xenon headlamps*
Headlamps which use an electric arc as
the light source and produce a more
intense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service
center, which can help you with any
questions about your vehicle and
provide assistance in the event of a
breakdown.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control
vehicle functions such as door locking
or windshield wiping depending on
vehicle settings and/or ambient
conditions.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the
passenger compartment needed for
vehicle operation and monitoring.
1BabySmart
TM is a trademark of Siemens
Automotive Corp.

366 IndexBattery discharged
Jump starting 327
Battery, vehicle 258, 324
Charging 325
Disconnecting 325
Messages in display 285
Reconnecting 326
Reinstalling 325
Removing 325
Bi-Xenon headlamps* 357
Bi-Xenon type
Front lamp bulbs 313
Block heater 264
Blocking
Rear door window operation 72
Bolts
For Minispare wheel 304
Brake assist system (BAS) 357
Brake fluid 251, 348Brake lamp bulbs 311
Brake lamp, high mounted 311
Brake pads
Message in display 286
Brakes 240
Warning lamp 275
Break-in period 238
Bulbs, replacing 310
Additional turn signals 310
Backup lamps 311
Brake lamps 311
Fog lamps 310
Front lamps 310
High beam 310
High mounted brake lamp 311
License plate lamps 311, 316
Low beam 310
Parking lamps 310, 311, 313, 314
Rear fog lamp 311
Rear fog lamps 315Side marker lamps 310, 315
Standing lamps 310, 311, 313, 314
Tail lamp assemblies 311, 315
Turn signal lamps 310, 311
Button
Audio system 172
C
CAC (Customer assistance center) 357
California
Important notice 11
Calling up
Range (distance to empty) 136
Service indicator 266
CAN system 357
Capacities
Fuels, coolants, lubricants, etc. 346
Cargo area see Cargo compartment
Cargo compartment
Auxiliary fuse box 334
Lighting 106
Parcel net 208

374 IndexHead restraints 91
Manual seats 34
Power seats* 35
Rear seats 92
Headlamp cleaning system 259
Headlamp shut-off delay see
Delayed shut-off, exterior lamps
Headlamps
Automatic control 101
Bi-Xenon type*
Replacing bulbs 313
Cleaning 269
Cleaning system 145, 259
Halogen-type
Replacing bulbs 312
Refilling washer fluid 259
Switching off 52
Switching on 46
Washer fluid 354
Washer system 354Headliner and shelf below rear window
Cleaning 271
Heated seats* 95
Height adjustment
Head restraints 34, 35, 92
Seat belts 42
Steering wheel 36
High beam flasher 47, 104
High beam headlamps
Messages in display 294
Replacing bulbs 310, 312
Switching on 104
High beam headlamps xenon type
Replacing bulbs 313
High mounted brake lamp 311
Hood 252
Closing 253
Message in display 293
Opening 252
Hydroplaning 242I
Identification labels 338
Certification label 338
Vehicle identification
number (VIN) 338
Ignition 31
Immobilizer 80
Activating 80
Deactivating 80
Infant and child restraint systems 65
Installing 70
LATCH-type child seat anchors 71
Information
About service and warranty 10
Button for Tele Aid* 227
Installing
Infant and child restraint systems 70
Parcel net in cargo compartment 208
Ski sack 208
Towing eye bolt 332
Twin-reel roller blind 211
Wiper blades 317

376 IndexL
Labels, identification 338
Lamp bulbs, exterior 310
Lamps, exterior
Front 310
Light sensor 294
Messages in display 293–296
Rear 311
Lamps, indicator and warning
ABS 274
Airbag Off 61
Battery (SmartKey) 85
Brakes 275
CHECK ENGINE 276
Coolant 287
Engine diagnostics 276, 278
ESP 277
Fuel reserve 278
Instrument cluster 274–278
Seat belts 278
Service indicator 265
SRS 57
Turn signals 23Language
Multifunction display 126
Setting 126
LATCH-type child seat anchors 71
Folding back 71
Layout of poly-V-belt drive 339
Leather upholstery
Cleaning 271
License plate lamps
Messages in display 294
Replacing bulbs 311, 316
Light alloy wheels
Cleaning 270
Technical data 342
Light sensor 294
Lighter see Cigarette lighter
Lighting 100
Automatic headlamp mode 101
Cargo compartment 106
Combination switch 104
Daytime running lamp mode 102
Door entry lamps 106
Exterior lamp switch 100Front fog lamps 102
High beam flasher 104
High beams 104
Instrument cluster illumination 107
Interior 105
Locator lighting 102
Low beam 100
Manual headlamp mode 101
Night security illumination 102
Parking lamps 100
Rear fog lamp 103
Settings (control system) 127
Limiting the gear range 141
Limp Home Mode 144
Loading 205
Cargo tie-down rings 214
Instructions 213
Roof rack 205
Ski sack* 205
Split rear bench seat 211
Locator lighting 102
Setting 128

377 Index
Lock button
Doors 359
Locking 51, 84
Automatic while driving 88
Centrally from inside 89
Fuel filler flap 249
Global, SmartKey 85
Vehicle in an emergency 306
Loss of keys 86
Loss of Service and
Warranty Information Booklet 337
Low beam headlamps
Messages in display 295
Replacing bulbs 310, 312
Lowering
Vehicle 322
Lubricants
Technical data 346
Luggage cover 210
Retractable 210M
Main dimensions 344
Maintenance 12, 265
Vehicles with E85 fuel 351
Malfunction
Displaying 120
Malfunction memory 120
Calling up 120
Clearing 120
Manual headlamp mode 101
Manual operations
Fuel filler flap 308
Interior lighting control 105
Locking the vehicle 306
Sliding/pop-up roof 309
Unlocking the driver’s door 305
Unlocking transmission
gear selector lever 308Manual seat
Adjusting 33
Adjusting backrest tilt 33
Adjusting head restraint height 34
Adjusting head restraint tilt 34
Adjusting seat cushion tilt 33
Adjusting seat height 33
Front seat head restraints 91
Seat fore and aft adjustment 33
MAXCOOL Maximum cooling 163
MB Tex upholstery
Cleaning 272
Mechanical key 305
Memory function 97
Recalling positions from memory 98
Storing exterior rear view mirror
parking position 99
Storing key dependent settings 98
Menu
Control system 359

382 IndexRear view mirror automatic antiglare 146
Rear view mirrors see Mirrors
Rear window defroster 149
Rear window wiper/washer 49
Reconnecting
Vehicle battery 326
Refrigerant
Air conditioning 348
Refueling 249
Regular checks 251
Reinstalling vehicle battery 325
Remote control
SmartKey 84
Remote door unlock
With Tele Aid* 229
Remote Vehicle Diagnostics 360
Removing
Parcel net in cargo compartment 208
Ski sack 207
Twin-reel roller blind 210
Vehicle battery 325
Wheel 320
Wiper blades 317Replacing
Backup lamp bulbs 315
Brake lamp bulbs 315
Bulbs 310
Front lamp bulbs 312
Front turn signal bulbs 312, 313
Fuses 334
High beam bulbs 312
High beam bulbs
(xenon-type headlamps) 313
License plate lamp bulbs 316
Low beam bulbs 312
Parking lamp bulbs 313, 314
Rear fog lamp bulbs 315
Rear lamp bulbs 311, 315
Rear turn signal bulbs 315
Side marker lamp bulbs 315
Standing lamp bulbs 313, 314
Wiper blades 317
Reporting
Safety defects 18
Reset button in the instrument
cluster 121, 122Resetting
All functions (control system) 121
All functions of a submenu 122
Fuel consumption 135
Service indicator (FSS) 266
Trip odometer 109
Residual heat utilization 167
Residual ventilation 167
REST 360
Restraint system see Infant
and child restraint systems
Restraint systems 360
Rims 341
Roadside Assistance 12
Roadside assistance
Tele Aid* 226
RON 250
RON (Research Octane Number) 360
Roof rack 205
Rotating wheels 262
Rubber parts
Cleaning 272