2005 MERCEDES-BENZ C320 low beam

142 Controls in detailControl systemSetting daytime running lamp mode
(USA only)
Move the selection marker with
buttonæ orç to the
Lighting

submenu.

Press buttonj ork repeatedly
until the message
Hdlamp mode
appears
in the multifunction display.The selection marker is on the current
setting.

Press buttonæ orç to select
manual operation (
Manual
) or daytime
running lamp mode (
Constant
)
activated.
With daytime running lamp mode activated
and the exterior lamp switch in
positionM orU, the low beam
headlamps are switched on when the
engine is running.In low ambient light conditions the
following lamps will switch on additionally:


Parking lamps


Tail lamps


License plate lamps


Side marker lamps
For more information on the daytime
running lamp mode, see “Lighting”
(
page 109).
iThis function is not available in
countries where the daytime running
lamp mode is mandatory and therefore
in a constant mode.
iFor safety reasons, resetting the Lighting
submenu to factory settings
(
page 133) while driving will not
deactivate the daytime running lamp
mode.
The following message appears in the
multifunction display:
Lighting - Cannot be completely
reset to factory sets. while
driving.

324 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
.
High beam left
The left high beam lamp is
malfunctioning.

Replace the bulb as soon as possible.
High beam right
The right high beam lamp is
malfunctioning.

Replace the bulb as soon as possible.
License plate lamp,
left
The left license plate lamp is
malfunctioning.

Replace the bulb as soon as possible.
License plate lamp,
right
The right license plate lamp is
malfunctioning.

Replace the bulb as soon as possible.
Light sensor
Drive to workshop
The lamp sensor is malfunctioning.
The headlamps switch on automatically.

In the control system, set lamp
operation to manual (
page 142).

Switch on the headlamps using the
exterior lamp switch (
page 109).

Visit an authorized Mercedes-Benz
Center as soon as possible.
Low beam left
The left low beam lamp is malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

Visit an authorized Mercedes-Benz
Center as soon as possible.

325 Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
.
Low beam right
The right low beam lamp is
malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

Visit an authorized Mercedes-Benz
Center as soon as possible.
Parking lamp
left front
The left front parking lamp is
malfunctioning.

Replace the bulb as soon as possible.
Parking lamp
right front
The right front parking lamp is
malfunctioning.

Replace the bulb as soon as possible.
Rear fog lamp
Substitute bulb on
The rear fog lamp is malfunctioning.
A substitute bulb is being used.

Replace the bulb as soon as possible.
Switch off lights.
Headlamps have been turned on with the
driver’s door opened and the SmartKey
removed from the starter switch.

Switch off the headlamps.
Taillamp left
Substitute bulb on

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

Replace the bulb as soon as possible.
Taillamp right
Substitute bulb on

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

Replace the bulb as soon as possible.

345 Practical hints
Replacing bulbs
Front lamps Rear lamps
Lamp
Type
1
Additional turn signal
lamp
LED
2
Halogen headlamp:
Turn signal lamp
Bi-Xenon* headlamp:
Turn signal lamp
1156 A
2357 A
3
Halogen headlamp:
Low beam
Bi-Xenon* headlamp:
Low and high beam
1
1Vehicles with Bi-Xenon* headlamps: Low beam
and high beam use the same D2S-35W lamp. Do
not replace the Xenon bulbs yourself. See an
authorized Mercedes-Benz Center.
H7 (55 W)
D2S-35 W
Lamp
Type
4
Halogen headlamp:
High beam/high beam
flasher
Bi-Xenon* headlamp:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lamp
W5W
5
Front fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W
Lamp
Type
7
High mounted brake
lamp
LED
8
Brake lamp
P21W
9
Turn signal lamp
PY 21 W
a
Parking and side
marker lamp
P 21/5 W
b
Backup lamp
P21W
c
License plate lamps
C5W
d
Rear fog lamp (driver’s
side only), tail and
standing lamp
P 21/4 W

347 Practical hints
Replacing bulbs
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 109).

Open the hood (
page 278) (except
for side marker lamps).
Halogen headlamp
1Housing cover for low beam headlamp
2Housing cover for high beam head-
lamp, parking and standing lamp3Bulb socket for turn signal lamp bulb
4Bulb socket for low beam bulb
5Bulb socket for high beam bulb
6Bulb socket for parking and standing
lamp bulbLow beam bulb

Press the clamp on housing cover1
and remove it.

Pull the electrical connector off.

Turn bulb socket4 counterclockwise
and take out the bulb.

Insert the new bulb so that its socket
locates in the recess of the lamp
housing.

Turn bulb socket4 clockwise until it
engages.

Plug the electrical connector onto the
bulb.

Align housing cover1 and press until
it engages.

399 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
air bag deactivation
system
This system detects if a special system
compatible child restraint seat is
installed on the front passenger seat.
The system will automatically
deactivate the passenger front air bag
when such a seat is properly installed
(the56indicator lamp located
in the center console comes on). See
an 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 air bag 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.

405 Index
A
ABS 77, 399
ABS control 77
Indicator lamp 25
Malfunction indicator lamp 302
Messages in display 310
Accelerator position,
automatic transmission* 163
Accident
In case of 53
Activating
Air conditioning (cooling) 181
Air recirculation mode 179
Anti-theft alarm system* 84
Central locking (control system) 145
Climate control 175
Climate control system 177
Defrosting 178
Easy-entry/exit feature* 146
Electric air pump 358
ESP 81Exterior headlamps 49
Exterior lamps 110
Exterior rear view mirror
parking position* 170
Hazard warning flasher 114
Headlamps 49
High beam headlamps 50
High beams 113
Ignition 33
Immobilizer 56, 83
Low beam headlamps 49
Manual shift program
(C 55 AMG only) 166
Rear window defroster 173
Seat heating* 105
Tow-away alarm* 85
Windshield wipers 51
Adding
Coolant 283
Engine oil 281
Additional turn signals 345
Adjustable air vents,
rear passenger compartment 182Adjusting 35
Air distribution 178
Air volume 178
Backrest contour 104
Backrest side bolsters 104
Backrest tilt, manual seat 36
Backrest tilt, power seat* 38
Exterior rear view mirrors 41
Folding back rear seat
head restraints, electrical 102
Folding back rear seat
head restraints, manual 102
Head restraint height,
manual seat 37
Head restraint height,
power seat* 38
Head restraint height, rear seats 101
Head restraint tilt, manual seat 37
Head restraint tilt, power seat* 39
Head restraint tilt, rear seats 103
Instrument cluster illumination 117
Interior rear view mirror 41
Manual seat 36
Mirrors 41

409 Index
High mounted brake lamp 345
License plate lamps 345, 351
Low beam headlamps 345
Parking lamps, front 345, 348, 350
Parking lamps, rear 345, 351
Rear lamps 345
Side marker lamps, front 345, 350
Side marker lamps, rear 345, 351
Standing lamps, front 345, 348, 350
Standing lamps, rear 345, 351
Tail lamp unit 351
Tail lamps 345, 351
Turn signal lamps,
front 345, 348, 350
Turn signal lamps,
rear 345, 351
Button
Audio system 186C
CAC 399
California
Important notice 11
Calling up
Maintenance service indicator 293
Range (distance to empty) 150
CAN system 399
Cargo area see Trunk
Cargo tie-down rings* 240
Catalytic converter 273
CD changer* 201
CD changer* operation 203
CD player*
Operating 129
CD* operation 201
Center console 27
Front passenger front air bag off
indicator lamp 27, 63, 70, 308
Lower part 28
Upper part 27Center console ashtray 245
Centigrade
Setting temperature units 135
Central locking
Automatic 96
From inside 96
Locking from inside 96
Switch 96
Switching on/off
(control system) 145
Unlocking from inside 96
Central locking switch 96
Central unlocking
Switch 96
Unlocking from inside 96
Central unlocking switch 96
Certification label 376
Changing
Batteries (SmartKey) 343
CDs 201
Changing key setting 147