2008 MERCEDES-BENZ C300 Page 330

112 Controls in detail
Lighting
Switching on high beams
Combination switch
1High beam
2High beam flasher
High beam: Turn the exterior lamp
switch to positionB (
page 108).
Push the combination switch in the di-
rection of arrow1.
The high beam indicatorA in the in-
strument cluster comes on
(
page 26).
High beam flasher: Pull the combina-
tion switch briefly in the direction of
arrow2.
Headlamp cleaning system*
The headlamps are automatically cleaned
with a high-pressure water jet when, at the
same time,

the engine is running

the headlamps are switched on

the windshield wipers have wiped the
windshield with washer fluid for the
first time.
The headlamps are cleaned every tenth
time the windshield is washed with washer
fluid.
When you switch off the headlamps or the
ignition, the automatic function is reset
and will start counting the next time from
the beginning.
For information on filling up the washer
reservoir, see “Windshield washer system
and headlamp cleaning system*”
(
page 330).Corner-illuminating front fog lamps*
(With Bi-Xenon* headlamps only)
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with:

the exterior lamp switch in
positionB or* (
page 108)
or

the daytime running lamp mode acti-
vated (
page 110).
iThe corner-illuminating front fog lamps will
only come on in low ambient lighting conditions.
iIf you are driving faster than 25 mph
(40 km/h) or have the front fog lamps switched
on, the corner-illuminating front fog lamps
function is not available.

119 Controls in detail
Windshield wipers
Turn the combination switch to posi-
tion U or V.
Intermittent wiping starts with selected
wiping interval.
Vehicles with rain sensor*:
After the initial wipe, pauses between
wipes are automatically controlled by
the rain sensor.
Intermittent wiping interval is depen-
dent on wetness of windshield.Wiping with windshield washer fluid
Press the combination switch in the di-
rection of arrow2 (
page 117) past
the resistance point.
The windshield wiper operates with
washer fluid.
For information on filling up the washer
reservoir, see “Windshield washer system
and headlamp cleaning system*”
(
page 330).
iIntermittent wiping is interrupted when the
vehicle is at a standstill and a front door is
opened. This protects persons getting into or out
of the vehicle from being sprayed.
Intermittent wiping will be continued when

all doors are closed
and

the clutch pedal is depressed (vehicles with
manual transmission
or

the gear selector lever is positionD orR (ve-
hicles with automatic transmission*)
or

the wiper setting is changed using the com-
bination switch
iTo prevent smears on the windshield or
noisy/chattering wiper blades, wipe with wind-
shield washer fluid every now and then even
when it is raining.
iVehicles with headlamp cleaning system*:
The headlamp cleaning system* will clean the
headlamps automatically after the first and every
tenth time windshield washer fluid is used while
the engine is running (
page 112).

324 Operation
At the gas station
Check regularly and before a long trip
1Coolant level
2Brake fluid
3Windshield washer and headlamp
cleaning system*Windshield washer system and head-
lamp cleaning system*
For more information on refilling the wash-
er reservoir, see “Windshield washer sys-
tem and headlamp cleaning system*”
(
page 330).
Coolant
For more information on coolant, see
“Coolant level” (
page 329) and see “Fu-
els, coolants, lubricants, etc.”
(
page 476).
Brake fluid
For information on brake fluid, see “Brake
fluid” (
page 480).Engine oil level
For more information on engine oil, see
“Engine oil” (
page 327).
Vehicle lighting
Check function and cleanliness. For more
information on replacing light bulbs, see
“Replacing bulbs” (
page 430).
For more information, see “Lighting”
(
page 108).
Tire inflation pressure
For information on tire inflation pressure,
see “Checking tire inflation pressure”
(
page 341).iOpening the hood (page 325).!If you find that the brake fluid in the brake
fluid reservoir has fallen to the minimum mark or
below, have the brake system checked for brake
pad thickness and leaks immediately. Notify an
authorized Mercedes-Benz Center immediately.
Do not add brake fluid as this will not solve the
problem. For more information, see “Practical
hints” (
page 376) and (page 400).

330 Operation
Engine compartment
Windshield washer system and
headlamp cleaning system*
The washer fluid reservoir is located on the
left-hand side of the engine compartment
when looking in the direction of travel. It
supplies the windshield washer system
and headlamp cleaning system with wash-
er fluid.
1Cap
Fluid for the windshield washer system and
the headlamp cleaning system is supplied
from the windshield washer reservoir. It
has a capacity of approximately 6.34 US qt
(6.0 l).During all seasons, add MB Windshield
Washer Concentrate “MB SummerFit” to
water. Premix the windshield washer fluid
in a suitable container.
To open washer fluid reservoir: Pull
tab of cap1 upward.
Refill the reservoir with MB Windshield
Washer Concentrate and water (or
commercially available premixed wind-
shield washer solvent/antifreeze, de-
pending on ambient temperatures).
To close washer fluid reservoir:
Press cap1 onto filler hole until it en-
gages.
For more information, see “Windshield
washer system and headlamp cleaning
system*” (
page 486).
Warning!G
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts, because it may ignite
and burn. You could be seriously burned.
!Always use washer solvent/antifreeze
where temperatures may fall below freezing
point. Failure to do so could result in damage to
the washer system/reservoir.
!Only use washer fluid which is suitable for
plastic lenses. Improper washer fluid can dam-
age the plastic lenses of the headlamps.

419 Practical hints
What to do if …?
Display Possible cause/consequencePossible solution
ÊYou are driving with the trunk open.Close the trunk (page 270).
WCheck
Washer FluidThe water level has dropped to approx.
1.1 US qts (1.0 l).Add washer fluid (page 330).