2001 MERCEDES-BENZ C320 low beam

89 Instrument cluster
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 1Knob for instrument cluster illumination,
seepage90
Reset knob for trip odometer, see page 91 and
individual settings, see page 111
2Tachometer
3Antilock brake system (ABS) malfunction indicator
lamp, see page 272
4Brake fluid low or parking brake engaged,
seepage278
5Speedometer
6Left turn signal indicator lamp, see combination
switch on page 134
7Electronic stability program (ESP) warning lamp,
system is adjusting to road conditions, see page 273
8Indicator lamp without function. It illuminates with
the electronic key in starter switch position 2. It
should go out when the engine is running.
9CHECK ENGINE malfunction indicator lamp,
seepage268
10High beam headlamp indicator,
seeexterior lamp switch, page130, and
combination switch, see page 13411High beam headlamp indicator,
exterior lamp switch, see page 130 and
combination switch, see page 134.
12Multifunction display, see page 92
Instrument cluster display, see page 274
13Trip odometer, see page 91 and 96
14Main odometer, see page 96
15Display for program mode and gear range
indicators, page 237
16Malfunction/warning message memory,
seepage109
17Outside temperature indicator, see page 91
18Digital clock
To set the time, see individual settings on page 111
19Right turn signal indicator lamp, see combination
switch on page 134
20Fasten seat belts, see page 273
21Supplemental restraint system (SRS) malfunction
indicator lamp, see page 271
22Fuel gauge with reserve and fuel cap placement
warning lamp, see page 271

130 Exterior lamp switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Exterior lamp switch
MOff
UAutomatic headlamp mode, see below.
CParking lamps (also side marker lamps, taillamps,
licence plate lamps, instrument panel lamps)
Canada only: When the engine is running, the low
beam is additionally switched on.
BParking lamps plus low beam or high beam
headlamps (combination switch pushed forward).ˆStanding lamps, right (turn left one stop)
‚Standing lamps, left (turn left two stops)
‡Front fog lamps (pull out one stop) with parking
lamps and/or low beam headlamps on. Green
indicator in lamp switch comes on.
†Rear fog lamp (pull out to second detent) in
addition to the front fog lamps. Yellow indicator in
lamp switch comes on.
Note:
With the electronic key removed and the driver’s door
open, a warning sounds if the vehicle’s exterior lamps
(except standing lamps) are not switched off.
Fog lamps will operate with the parking lamps and / or
the low beam headlamps on. Fog lamps should only be
used in conjunction with low beam headlamps. Consult
your State or Province Motor Vehicle Regulations
regarding allowable lamp operation.
Fog lamps are automatically switched off when the
exterior lamp switch is turned to position M or U.

131 Exterior lamp switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Headlamp mode (HEADLAMPS)
(USA only)
The headlamps can be switched on and off manually or
automatically, or switched to daytime running lamp
mode.
Manual operation:
The low beam headlamps, parking lamps and license
plate lamps can be switched on and of f wit h t he exterior
lamp switch. For exterior lamp switch, see page 130.Autom ati c operation:
With electronic key in starter switch in position 1 turn
exterior lamp switch to positionU.
The parking lamps switch on and off automatically
depending on the brightness of the ambient light.
With the engine running and exterior lamp switch in
positionU:
The low beam headlamps, parking lamps and license
plate lamps are switched on and off automatically
depending on the brightness of the ambient light.
The low beam headlamps, parking lamps and license
plate lamps can still be switched on and off manually
using the exterior lamp switch.
Note:
The headlamps will not be automatically switched on
under foggy conditions.
Wa r n i n g !
The driver is responsible for the operation of the
vehicle’s lights at all times. The automatic
headlamp feature is only an aid to the driver.
Switch on the vehicle lights by hand when driving
or traffic conditions require you to do so.

132 Exterior lamp switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Daytime running lamp mode
Turn exterior lamp switch to positionM.
When the engine is running, the low beam headlamps
(includes parking lamps and license plate lamps) are
automatically switched on.
Canada only:
When shifting from a driving position to position “N”
or “P”, the low beam switches off (3 minutes delay).
For nighttime driving the exterior lamp switch should
be turned to position B to permit activation of the
high beam headlamps.
USA only:
The high beam headlamps can also be activated when
driving with the daytime running lamp mode activated
and exterior lamp switch in positionM.
See page 130 for notes on the exterior lamp switch.
To activate the daytime running lamp mode, see
“Individual settings” – “LIGHTING” on page 117.Night security illumination
When turning off the engine, the exterior lamps switch
on for added illumination, if they were previously
switched on (except in daytime running mode). After
the last door has been closed the lamp-on time period
commences.
The lamp-on time period for night security illumination
can be set at several different timed levels from 0 (off) to
60 seconds, see “Individual settings” - “LIGHTING” on
page 117.
Notes:
Within 10 minutes after closing the last door the night
security illumination can be reactivated by opening a
door.
See “Individual settings” – “LIGHTING” on page 117 for
instructions on how to activate the function.
Deactivating night security illumination temporarily:
Turn the electronic key in starter switch to position 0
then to position 2 and back to position 0 again before
getting out of the vehicle. The night security
illumination will not be activated when the door is
opened.

134 Combination switch
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Combination switch
1Low beam
(exterior lamp switch position B)
2High beam
(exterior lamp switch position B)3High beam flasher (high beam available
independent of exterior lamp switch position)
4Turn signals, right
5Turn signals, left
To signal minor directional changes, such as changing
lanes on a highway, move combination switch briefly to
the point of resistance only and release. The turn
signals blink three times.
To operate the turn signals continuously, move the
combination switch past the point of resistance (up or
down). The switch is automatically canceled when the
steering wheel is turned to a large enough degree.
Turn signal failure
If one of the turn signals fails, the turn signal indicator
system flashes and sounds at a faster than normal rate.

265 What you should know at the gas station
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Fuel tank capacity approximately 16.4 US gal (62.0 l).
This includes approximately 2.1 US gal (8.0 l) reserve.
Use premium unleaded gasoline:
Posted Octane Index 91 (Average of 96 RON / 86 MON).
Engine oil
Checking oil level, see instructions on page 128
and 300.
Recommended engine oils, see Approved Service
Products sheet.
Coolant
For normal replenishing, use water (potable water
quality). For further information refer to page 301.
Tire pressure
For tire pressure, refer to tire pressure label inside the
fuel filler flap. See page 315 for further details.Spark plugs
Approved spark plugs, refer to “Technical Data”.
Air conditioner
R-134a refrigerant and special PAG lubricant, refer to
“Technical Data”.
Bulbs
High and low beams: H7 (55 W),
low beam: Xenon (optional)
fog lamps: H B4 (55 W),
turn signal lamps,
front 1156 NA (26.9 / 5 W/32/4 cp),
parking and standing lamps, front: W 5W (5 W)
side marker lamps, front: 5 W / 4 cp,
turn signal lamps, rear: PY 21 W bulb (yellow),
stop lamps: P 21 W/32 cp bulb,
rear fog lamp, driver’s side: P 21 W/32 cp bulb,
tail, parking, standing and
side marker lamp: R 5 W / 4 cp,
backup lamps: 21 W / 32 cp,
license plate lamps: 5 W / 4 cp

284 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
LIGHTING SYSTEM
Line 1 Line 2 C*
LOW BEAM,L CHECK LAMP! 2
LOW BEAM,R CHECK LAMP! 2
DISPLAY DEFECTIVE VISIT WORKSHOP!
1
2
TURN SIGNAL, L CHECK LAMP! 2
TURN SIGNAL, R CHECK LAMP! 2
L. TURN SIG. RFLECTR CHECK LAMP! 2
R. TURN SIG. RFLECTR CHECK LAMP! 2
TURN SIGNAL F, L CHECK LAMP! 2
TURN SIGNAL F, R CHECK LAMP! 2
BRAKE LIGHT
2
VISIT WORKSHOP! 2
BRAKE LIGHT, L
3
CHECK LAMP! 2
BRAKE LIGHT, R
3
CHECK LAMP! 2
3RD STOP LAMP
3
CHECK LAMP! 2
HIGH BEAM, L CHECK LAMP! 2
HIGH BEAM, R CHECK LAMP! 2
LICENSE PLATE L, L CHECK LAMP! 2
LICENSE PLATE L, R CHECK LAMP! 2
LIGHTS SWITCH OFF LIGHTS! 1
AUTOM. LIGHT ON REMOVE KEY! 1
FRONT FOGLAMP, L CHECK LAMP! 2
FRONT FOGLAMP, R CHECK LAMP! 2
REAR FOGLAMP CHECK LAMP! 2 Line 1 Line 2 C*

327 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Headlamp assembly
1Headlamp cover for low beam headlamp
2Headlamp cover for parking and standing lamp, and
high beam headlamp3Bulb socket for turn signal lamp
4Electrical connector for low beam headlamp bulb
(Halogen type)
5Electrical connector for high beam headlamp bulb
6Bulb socket for parking and standing lamp