2003 MERCEDES-BENZ C320 COUPE Owner's Manual

265 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 possible.
TURN SIGNAL RF
CHECK LAMP!
The right front turn signal lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
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 malfunctioning.

Replace the bulb as soon as possible.
HIGH BEAM, R
CHECK LAMP!

The right high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible.

266 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 possible.
LICENSE PLATE LAMP R
CHECK LAMP!

The right license plate lamp is malfunction-
ing.

Replace the bulb as soon as possible.
FRONT FOGLAMP, L
CHECK LAMP!

The left front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
FRONT FOGLAMP, R
CHECK LAMP!

The right front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
REAR FOGLAMP
CHECK LAMP!

The rear fog lamp is malfunctioning.

Replace the bulb as soon as possible.
REVERSE LAMP L
CHECK LAMP!

The left backup lamp is malfunctioning.

Replace the bulb as soon as possible.
REVERSE LAMP R
CHECK LAMP!

The right backup lamp is malfunctioning.

Replace the bulb as soon as possible.
TAIL LAMP, L
CHECK LAMP!

SUBSTITUTE LAMP ON!

The left tail lamp is malfunctioning. A back-
up bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.

267 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 side marker lamp is malfunction-
ing. 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 side marker lamp is 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.

268 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
<
FRT. PASSENGER SEAT
LOOK!
The display reminds you and your passen-
ger to fasten the seat belt.

Fasten the seat belts.
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you to fasten the seat
belt.

Fasten the seat belts.
_
STEERING WHEEL ADJUST
LOCK!
The steering column is not properly locked.

Lock the steering column properly
(page 38).
POWER STEERING FLUID
VISIT WORKSHOP!
The power steering gear oil level is too low.
There is a danger of steering gear damage.

Have the system checked by an au-
thorized Mercedes-Benz Center.
Warning!
G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at your authorized Mercedes-Benz
Center as soon as possible.

269 Practical hints
What to do if …
Display
Possible cause
Suggested solution
L
TELE AID
VISIT WORKSHOP!
One or more main functions of the Tele Aid
system are malfunctioning.

Have the Tele Aid system checked by
an authorized Mercedes-Benz Cen-
ter.
ì
FUNCTION
NOT AVAILABLE
This display appears if button
ì
or
í
on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
TRUNK OPEN!
This message will appear whenever the
trunk lid is open.

Close the trunk lid.
1
RESTRAINT SYSTEM
VISIT WORKSHOP!
The system is malfunctioning.

Drive with added caution to the near-
est authorized Mercedes-Benz Cen-
ter.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
Mercedes-Benz Center immediately to have
the system checked; otherwise the
SRS may not be activated when needed in
an accident, which could result in serious or
fatal injury, or it might deploy unexpectedly
and unnecessarily which could also result in
injury.

270 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
#
UNDERVOLTAGE
ENGINE ON!
The battery has insufficient voltage and
can no longer supply the convenience
functions such as seat heater*.
Start the engine (
page 44).
UNDERVOLTAGE
SWITCH CONSUMERS OFF!
The battery is malfunctioning.

Have the battery checked at a ser-
vice station.
G
VISIT WORKSHOP!
DISPLAY DEFECTIVE
The instrument cluster display is malfunc-
tioning.

Continue driving with added caution.

Visit an authorized Mercedes-Benz
Center as soon as possible.
±
VISIT WORKSHOP!
DISPLAY DEFECTIVE
Certain electronic systems are unable to
relay information to the control system.
The following systems may have failed:

Coolant temperature gauge


Tachometer


Cruise control display

Have the electronic systems checked
by an authorized Mercedes-Benz
Center (
page 250).
W
WASHER FLUID
CHECK LEVEL!
The fluid level has dropped to about
1/3 of
total reservoir capacity.

Add washer fluid (
page 232).

271 Practical hints
Where will I find ...?
Where will I find ...?
First aid kit
The first aid kit is stored in the trunk be-
hind the left trim panel.
Turn handles2.

Remove the trim panel1.

Loosen the securing strap2.

Remove first aid kit1.
Spare wheel
The spare wheel is located under the trunk
floor.
Lift trunk floor and engage handle in
the upper edge of the trunk.
1Spare wheel
2Storage tray with vehicle tool kit.
3Mounting screw for spare wheel/cover
for vehicle tools
Removing the spare wheel

Turn the mounting screw3 counter-
clockwise.

Remove the spare wheel1.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.

272 Practical hintsWhere will I find ...?Storing the spare wheel
Place spare wheel1 in wheel well.

Turn mounting screw3 clockwise to its
stop to secure the spare wheel.

Lower the trunk floor before closing the
trunk lid.
Vehicle tool kit
The vehicle tool kit and air pump are stored
in the wheel well below the trunk floor.
1Vehicle jack
2Air pump
3Alignment bolt
4Wheel wrench5Towing eye bolt
6Spare wheel bolts
Vehicle jack

Remove the vehicle jack from the spare
wheel well under the trunk floor.

Push the crank handle up.

Turn the crank handle clockwise until it
engages (operational position).
Before storing the vehicle jack in its com-
partment:


It should be fully collapsed.


The handle must be folded in (storage
position).