2003 MERCEDES-BENZ C320 4MATIC WAGON ignition

31 Getting started
Unlocking
Starter switch positionsStarter switch0For removing key
The steering is locked when the key is
removed from the starter switch. If
necessary, move steering wheel slight-
ly to allow the locking mechanism to
engage.
1Power supply to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch and lock
the vehicle. Do not leave children unattend-
ed in the vehicle, or with access to an un-
locked vehicle. Unsupervised use of vehicle
equipment may cause an accident and/or
serious personal injury.iVehicles with automatic transmission:
The SmartKey can only be removed
from the starter switch with the gear
selector lever in positionP.
!If the key is left in starter switch
position0 for an extended period of
time, it can no longer be turned in the
starter switch.

Remove the key from the starter
switch and reinsert.
If the key can still not be turned, the
battery may not be sufficiently
charged.


Check the battery and charge it if
necessary (
page 305)


Get a jump start (
page 308).
To prevent accelerated battery dis-
charge and a possible dead battery, al-
ways remove the key from the starter
switch.
S203 MY03_A.book Page 31 Tuesday, January 28, 2003 2:22 PM

39 Getting started
Adjusting
Exterior rear view mirrorThe buttons are located above the exterior
lamp switch.
1Driver’s side mirror
2Adjustment button
3Passenger side mirror

Make sure that the ignition is switched
on.
All the lights in the instrument cluster
light up.

Press button 1 for the left mirror or but-
ton 3 for the right mirror.

Push adjustment button 2, up, down,
left or right according to the setting de-
sired.
More information can be found in the
“Controls in detail” section (
page 141).
Warning!
G
Exercise care when using the passenger
side exterior rear view mirror. The mirror
surface is convex (outwardly curved surface
for a wider field of view). Objects in mirror
are closer than they appear. Check your in-
side rear view mirror or glance over your
shoulder before changing lanes. !Electrolyte drops coming into contact
with the vehicle paint finish can only be
completely removed while in their liq-
uid state by applying plenty of water.
!If an exterior rear view mirror housing
is forcibly pushed forward or rearward,
reposition it by applying firm pressure
until it snaps into place. The mirror
housing is now properly positioned and
you can adjust the mirror normally.iWith the memory function*, you can
store seat positions together with set-
tings for the steering wheel and the ex-
terior rear view mirrors (
page 95).
S203 MY03_A.book Page 39 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

81 Safety and Security
Anti-theft systems
Disarming tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.
The switch is located on the center con-
sole.
1Tow-away alarm off switch
2Indicator lamp

Turn off the ignition and remove the
key.

Press upper half1 of the switch.
Indicator lamp2 in the switch lights up
briefly.

Lock your vehicle with the key.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.
Canceling the alarm

Insert the key in the starter switch.
or

Press the
Œ
or
‹
button on the
key.
iYou cannot disarm the tow-away alarm
if the ignition is turned on.
S203 MY03_A.book Page 81 Tuesday, January 28, 2003 2:22 PM

88 Controls in detailLocking and unlockingOpening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Pull on door handle2.
If door was locked, locking knob1 will
move up.
Automatic central locking
The doors and the tailgate automatically
lock when the ignition is switched on and
the wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.Information on towing the vehicle can be
found in the “Practical hints” section
(
page 310).
You can deactivate the automatic locking
using the control system (
page 125).
iIf the vehicle was previously been
locked from the outside with the
SmartKey, opening a door from the in-
side will trigger the alarm.
To cancel the alarm, do one of the fol-
lowing:

Press button
Œ
or
‹
on the
SmartKey.


Insert the SmartKey in the starter
switch.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle automatically locks when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more. You could therefore lock yourself
out when the vehicle

is pushed or towed


is on a test stand
S203 MY03_A.book Page 88 Tuesday, January 28, 2003 2:22 PM

93 Controls in detail
Seats
Multicontour seat*
Some models may be equipped with driv-
er’s multicontour seat. This seat has a
movable seat cushion and inflatable air
cushions built into the backrest to provide
additional lumbar and side support.
The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with regulators on the
right side of the seat after turning the
SmartKey in the starter switch to
position2.1Seat cushion depth
2Backrest bottom
3Backrest center
4Side bolster adjustment
Adjusting the multicontour seat in the or-
der listed above is recommended.

Check that the ignition is switched on.
All lamps in the instrument cluster light
up.The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with regulators1, 2
and3).
The side bolsters of the backrest can be
adjusted with rocker switch4:

Press to the left.
Side support will be increased.

Press to the right.
Side support will be decreased.iWhen the engine is turned off, the last
cushion setting is retained in memory,
and the cushion is automatically ad-
justed to this setting when the engine
is restarted.
S203 MY03_A.book Page 93 Tuesday, January 28, 2003 2:22 PM