MERCEDES-BENZ C320 4MATIC WAGON 2003 S203 Service Manual

47 Getting started
Driving
More information on driving can be found
in the “Operation” section (
page 223).
Switching on headlampsExterior lamp switch1Off
2Low beam headlamps on
Turn the switch to
B
.
More information can be found in the
“Controls in detail” section (page 98).
Turn signals and high beam
The combination switch is on the left of the
steering column.Combination switch1Turn signals, right
2Turn signals, left
Press the combination switch up1 or
down2.
Warning!
G
Vehicles with automatic transmission:
It is dangerous to shift the selector lever out
ofP or N if the engine speed is higher than
idle speed. If your foot is not firmly on the
brake pedal, the vehicle could accelerate
quickly forward or in reverse. You could lose
control of the vehicle and hit someone or
something. Only shift into gear when the en-
gine is idling normally and when your right
foot is firmly on the brake pedal.Warning!
G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced vehi-
cle control. Your vehicle’s ABS will not pre-
vent this type of loss of control.
S203 MY03_A.book Page 47 Tuesday, January 28, 2003 2:22 PM

48 Getting startedDrivingHigh beam
Push the combination switch forward.
The high beam symbol
A
in the
instrument cluster lights up.
More information can be found in the
“Controls in detail” section (
page 101).
Windshield wipers
The combination switch is on the left of the
steering column.Combination switch1Single wipe
2Switching on windshield wipers 
Make sure that the ignition is switched
on.Switching on windshield wipers

Turn the combination switch to the de-
sired position depending on the inten-
sity of the rain.
0Windshield wipers off
IIntermittent wiping
IINormal wiper speed
IIIFast wiper speed
iTo signal minor directional changes,
move combination switch to point of
resistance only and release. The turn
signal blinks three times.
iVehicles without rain sensor*: Fast
wiper speed III goes to setting II when
the vehicle is standing still.
Vehicles with rain sensor*: Intermittent
wiping interval dependent on wetness
of windshield. Wiping will not occur
with a door open.
S203 MY03_A.book Page 48 Tuesday, January 28, 2003 2:22 PM

49 Getting started
Driving
Single wipe
Press switch briefly in the direction of
arrow1.
The windshield wipers wipe one time
without washer fluid.Wiping with windshield washer fluid

Push switch in the direction of arrow1
past the resistance point.
The windshield wiper operates with
washer fluid.
Rear window wiper/washer
1Interval wiping on/off
2Indicator lamp
3Simultaneous operation of wiper and
washer
Make sure that the ignition is switched
on.
!Vehicles with rain sensor*:
Do not leave in intermittent setting
when vehicle is taken to an automatic
car wash or during windshield cleaning.
Wipers will operate in the presence of
water sprayed on the windshield, and
wipers may be damaged as a result.
The switch should not be left in inter-
mittent setting as the wipers will wipe
the windshield once every time the en-
gine is started. Dust that accumulates
on the windshield might scratch the
glass when wiping occurs on a dry
windshield.
!If leaves, snow, etc. block the wind-
shield wipers, switch off the wipers.

For safety reasons, withdraw key
from starter switch. Remove block-
age.


Turn the windshield wipers on
again.
If windshield wipers fail to function at
all in switch positionI,


set the combination switch to the
next highest wiper speed.


have the windshield wipers
checked at the nearest authorized
Mercedes-Benz Center.
iThe rear window wiper will also auto-
matically engage if

the windshield wiper is engaged


the gear selector lever is placed
inR “Reverse”
S203 MY03_A.book Page 49 Tuesday, January 28, 2003 2:22 PM

50 Getting startedDrivingInterval wiping
Switching on
Press upper half1 of the switch.
Indicator lamp2 comes on.
Switching off

Press upper half1 of the switch again.
Indicator lamp2 goes out.
Simultaneous wiping and washing

Press and hold lower half3 of the
switch.
The wiper operates with washer fluid.
Problems while driving
The engine runs erratically and misfires

An ignition cable may be damaged.


The engine electronics may not be op-
erating properly.


Unburned gasoline may have entered
the catalytic converter and damaged it.

Give very little gas.

Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.
The coolant temperature is over 248° F
(120° C)
The coolant is too hot and is no longer
cooling the engine.

Stop the vehicle as soon as possible
and turn off the engine. Allow engine
and coolant to cool.

Check the coolant level and add cool-
ant if necessary (
page 308).In case of accident
If the vehicle is leaking gasoline:

Do not start the engine under any cir-
cumstances.

Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:

Notify an authorized Mercedes-Benz
Center.
If no damage can be determined on the


major assemblies


fuel system


engine mount

Start the engine in the usual manner.
S203 MY03_A.book Page 50 Tuesday, January 28, 2003 2:22 PM

51 Getting started
Parking and locking
Parking and locking
You have now completed your first drive.
You have properly stopped and parked
your vehicle. End your drive as follows.
Parking brake
1Release handle
2Parking brake
Step firmly on parking brake 2.
When the engine is running, the indica-
tor lamp
;
(USA only) or
3

(Canada only) in the instrument cluster
will be illuminated.
Warning!
G
Wait until the vehicle is stationary before re-
moving the key from the starter switch. The
vehicle cannot be steered when the key is
removed.Warning!
G
With the engine not running, there is no
power assistance for the brake and steering
system. In this case, it is important to keep
in mind that a considerably higher degree of
effort is necessary to stop or steer the vehi-
cle.
Warning!
G
Do not park this vehicle in areas where com-
bustible materials such as grass, hay or
leaves can come into contact with the hot
exhaust system, as these materials could be
ignited and cause a vehicle fire.
To reduce the risk of personal injury as a re-
sult of vehicle movement, before turning off
the engine and leaving the vehicle always:

Keep right foot on brake pedal.


Firmly depress parking brake pedal.


Move the selector lever to positionP
(manual transmission: first or reverse
gear).


Slowly release brake pedal.


When parked on an incline, turn front
wheels towards the road curb.


Turn the key to starter switch position0
and remove.


Take the key and lock vehicle when leav-
ing.
S203 MY03_A.book Page 51 Tuesday, January 28, 2003 2:22 PM

52 Getting startedParking and locking
Switching off headlamps
Turn the exterior lamp switch to
M

(
page 47).
More information can be found in the
“Controls in detail” section (
page 98).
Turning off engine
Place the gear selector lever in
positionP (manual transmission: first
or reverse gear).
Turning off

Turn the key in the starter switch to
position0 and remove it.
The immobilizer is activated.

Press the seat belt release button
(page 41).
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, and lock the ve-
hicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Children could release the parking
brake and/or move the gear selector lever
from positionP, either of which could result
in an accident and/or serious injury.
Warning!
G
Getting out of your vehicle with the selector
lever not fully engaged in positionP is dan-
gerous. Also, when parked on an incline,
positionP alone may not prevent your vehi-
cle from moving, possibly hitting people or
objects.
Always set the parking brake in addition to
shifting to positionP (manual transmission:
first or reverse gear).
When parked on an incline, turn front wheels
towards the road curb.
iAlways set the parking brake in addi-
tion to shifting to positionP (manual
transmission: first or reverse gear).
On steep slopes, turn the front wheels
towards the road curb. iVehicles with automatic transmission:
The key can only be removed from the
starter switch with the gear selector le-
ver in positionP.
S203 MY03_A.book Page 52 Tuesday, January 28, 2003 2:22 PM

53 Getting started
Parking and locking

After exiting the vehicle press the lock
button
‹
on the remote control
(
page 30).
The locking knobs on the doors move
down.
More information can be found in the
“Controls in detail” section (
page 84).
!With the SmartKey removed and the
driver’s door open, a warning sounds if
the vehicle’s exterior lamps are not
switched off.Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure that there
is no possibility of someone getting caught
in a door during closing.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.
S203 MY03_A.book Page 53 Tuesday, January 28, 2003 2:22 PM

54S203 MY03_A.book Page 54 Tuesday, January 28, 2003 2:22 PM

55 Safety and Security
Occupant safety
Panic alarm*
Driving safety systems
Anti-theft systems
S203 MY03_A.book Page 55 Tuesday, January 28, 2003 2:22 PM

56 Safety and SecurityOccupant safety
Occupant safetyIn this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are

Seat belts


Emergency tensioning device


Airbags


Child seats


Child seat recognition


Lower anchors and tethers for children
(LATCH)
As independent systems their protective
effects work in conjunction with each oth-
er.The
1
warning lamp in the instrument
cluster lights up:


for about 4 seconds when you turn the
key in the starter switch to position1.


for about 4 seconds when you start the
engine by turning the key.The warning lamp goes out shortly after
you start the engine. This shows that the
restraint systems are operational.
A malfunction in the system has been de-
tected if the
1
warning lamp:


fails to extinguish after approximately
4seconds.


does not come on at all.


comes on after the engine was started
or while driving.
For safety reasons, we strongly recom-
mend that you visit an authorized
Mercedes-Benz Center immediately to
have the system checked.
More information can be found in the
“Practical hints” section (
page 253).
iFor information on infants and children
traveling with you in the vehicle and re-
straint systems for infants and chil-
dren, see “Children in the vehicle”
(page 65).
iThe warning lamp remains lit if the key
is turned to position2 and left there.
The warning lamp will go out when you
start the engine.
S203 MY03_A.book Page 56 Tuesday, January 28, 2003 2:22 PM