2003 MERCEDES-BENZ C320 4MATIC WAGON bulb

233 Operation
At the gas station
Check regularly and before a long trip
1Coolant level
More information on the coolant level
can be found in the “Operation” section
(
page 238).
2Brake fluid (fuse box cover removed)
More information on brake fluid can be
found in the “Technical data” section
(page 330).
3Windshield washer and headlamp
cleaning system
For more information on refilling the
reservoir, see the “Operation” section
(page 240).Engine oil level
More information on engine oil can be
found in the “Operation” section
(
page 235).
Opening hood (
page 234).
Coolant
For normal replenishing, use water (pota-
ble water quality). More information on
coolant can be found in the “Operation”
section (
page 238).
Vehicle lighting
Check function and cleanliness. For more
information on replacing light bulbs, see
the “Practical hints” section (
page 292).
Exterior lamp switch (
page 98).
Tire inflation pressure
More information on tire inflation pressure
can be found in the “Operation” section
(
page 242).
iUse only premium unleaded gasoline
with a minimum Posted Octane Rating
of 91 (average of 96 RON / 86 MON).
Information on gasoline quality can
normally be found on the fuel pump.
More information on gasoline can be
found in the Factory Approved Service
Products pamphlet.
Flexible Fuel Vehicles: MY 2003
Mercedes-Benz C320 models, except
those equipped with manual transmis-
sion or 4MATIC*.
More information on Flexible Fuel Vehi-
cles can be found in the “Technical Da-
ta” section (
page 332).
iLeaving the engine running and the fuel
cap open can cause the
?
lamp to
illuminate.
See also “Practical hints” section
(
page 258).
S203 MY03_A.book Page 233 Tuesday, January 28, 2003 2:22 PM

253 Practical hints
What to do if …
Where will I find ...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses
S203 MY03_A.book Page 253 Tuesday, January 28, 2003 2:22 PM

254 Practical hintsWhat to do if …
What to do if …Lamps in instrument clusterGeneral information:
If a bulb in the instrument cluster fails to
light up during the bulb self-check when turning the SmartKey in the starter switch
to position2, have it checked and replaced
if necessary.Problem
Possible cause
Suggested solution
v
The yellow ESP warning lamp
lights up while driving.
The ESP is deactivated. Risk of accident!
Adapt your speed and driving to the prevail-
ing road conditions.

Turn the ESP back on (
page 77).
If the ESP cannot be turned back on, have
the system checked at an authorized
Mercedes-Benz Center as soon as possi-
ble.
v
The yellow ESP warning lamp
flashes while driving.
The ESP or traction control has come into op-
eration because of detected traction loss in
at least one tire.

When driving off apply as little throttle
as possible.

While driving ease up on the accelera-
tor.

Adapt your speed and driving to the
prevailing road and weather condi-
tions.

Do not deactivate the ESP.
Exceptions: (
page 77).
Failure to follow these instructions in-
creases the risk of accidents.
S203 MY03_A.book Page 254 Tuesday, January 28, 2003 2:22 PM

272 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
.
LOW BEAM, L
CHECK LAMP!
The left low beam lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
LOW BEAM, R
CHECK LAMP!
The right low beam lamp is malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.
DISPLAY DEFECTIVE
VISIT WORKSHOP!
The display for the lamps or the system is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
TURN SIGNAL, LR
CHECK LAMP!

The left rear turn signal lamp is malfunc-
tioning.

Replace the bulb as soon as possi-
ble.
TURN SIGNAL, RR
CHECK LAMP!

The right rear turn signal lamp is malfunc-
tioning.

Replace the bulb as soon as possi-
ble.
TURN SIG. IN MIRROR, L
CHECK LAMP!
The left turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.

Have the LEDs replaced as soon as
possible.
TURN SIG. IN MIRROR, R
CHECK LAMP!
The right turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.

Have the LEDs replaced as soon as
possible.
S203 MY03_A.book Page 272 Tuesday, January 28, 2003 2:22 PM

273 Practical hints
What to do if …
Display
Possible cause
Suggested solution
.
TURN SIGNAL LF
CHECK LAMP!
The left front turn signal lamp is malfunc-
tioning.

Replace the bulb as soon as possi-
ble.
TURN SIGNAL RF
CHECK LAMP!
The right front turn signal lamp is mal-
functioning.

Replace the bulb as soon as possi-
ble.
BRAKE LAMP
VISIT WORKSHOP!
Brake lamp illumination is delayed or
lamp is permanently on.

Visit an authorized Mercedes-Benz
Center as soon as possible.
BRAKE LAMP, L
CHECK LAMP!

The left brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
BRAKE LAMP, R
CHECK LAMP!

The right brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
3RD BRAKE LAMP
CHECK LAMP!

The high mounted brake lamp is malfunc-
tioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
HIGH BEAM, L
CHECK LAMP!

The left high beam lamp is malfunction-
ing.

Replace the bulb as soon as possi-
ble.
HIGH BEAM, R
CHECK LAMP!

The right high beam lamp is malfunction-
ing.

Replace the bulb as soon as possi-
ble.
S203 MY03_A.book Page 273 Tuesday, January 28, 2003 2:22 PM

274 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
.
LICENSE PLATE LAMP, L
CHECK LAMP!

The left license plate lamp is malfunction-
ing.

Replace the bulb as soon as possi-
ble.
LICENSE PLATE LAMP, R
CHECK LAMP!

The right license plate lamp is malfunc-
tioning.

Replace the bulb as soon as possi-
ble.
FRONT FOGLAMP, L
CHECK LAMP!

The left front fog lamp is malfunctioning.

Replace the bulb as soon as possi-
ble.
FRONT FOGLAMP, R
CHECK LAMP!

The right front fog lamp is malfunction-
ing.

Replace the bulb as soon as possi-
ble.
REAR FOGLAMP
CHECK LAMP!

The rear fog lamp is malfunctioning.

Replace the bulb as soon as possi-
ble.
REVERSE LAMP, L
CHECK LAMP!

The left backup lamp is malfunctioning.

Replace the bulb as soon as possi-
ble.
REVERSE LAMP, R
CHECK LAMP!

The right backup lamp is malfunctioning.

Replace the bulb as soon as possi-
ble.
TAIL LAMP, L
CHECK LAMP!

SUBSTITUTE LAMP ON!

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
S203 MY03_A.book Page 274 Tuesday, January 28, 2003 2:22 PM

275 Practical hints
What to do if …
Display
Possible cause
Suggested solution
.
TAIL LAMP, R
CHECK LAMP!

SUBSTITUTE LAMP ON!

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
SIDE MARKER LAMP, LF
CHECK LAMP!

SUBSTITUTE LAMP ON!

The left parking lamps are malfunctioning.
A backup bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
SIDE MARKER LAMP, RF
CHECK LAMP!

SUBSTITUTE LAMP ON!

The right parking lamps are malfunction-
ing. A backup bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
LIGHTS
TURN OFF LAMPS!
This display appears if the driver’s door is
opened with the engine shut off and no
key in the starter switch.

Insert key in the starter switch.

Switch off lights.
AUTOM. LIGHT ON
REMOVE KEY!
Key in the starter switch position1 or2.

Remove key from the starter switch.
!
(Canada only)
;
(USA only)
PARKING BRAKE
RELEASE PARKING BRAKE!
You are driving with the parking brake set.

Release the parking brake
(page 46).
<
SEAT BELT SYSTEM
VISIT WORKSHOP!
The seat belt system is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
S203 MY03_A.book Page 275 Tuesday, January 28, 2003 2:22 PM

292 Practical hintsReplacing bulbs
Replacing bulbsSafe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp as-
semblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See your autho-
rized Mercedes-Benz Center for headlamp
adjustment.
Bulbs Front lamps
iBackup bulbs will be brought into use
when the following lamps malfunction:

Standing lamps


Tail lamps
Lamp
Type
1
Additional turn
signal
LED
2
Turn signal lamp
Halogen
Turn signal lamp
Bi-Xenon*
1156 A
2357 A
3
Low beam Halogen
Low and high beam*
H7 (55 W)
Bi-Xenon*
4
High beam
H7 (55 W)
Parking and
standing lamps
W5W
5
Fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W
S203 MY03_A.book Page 292 Tuesday, January 28, 2003 2:22 PM