2003 MERCEDES-BENZ C CLASS COUPE display

239
Operation
Maintenance
The Mercedes-Benz Center will reset the
service indicator following a completed
service.Calling up the service indicator
Switch ignition on.
The standard display of the control sys-
tem appears (
page 105).

Press button
k
or
j
on the mul-
tifunction steering wheel until the FSS
indicator appears in the multifunction
display.
Resetting the service indicator
In the event that the service on your vehi-
cle is not carried out by an authorized
Mercedes-Benz Center, you can reset the
service indicator yourself.
Switch ignition on.
The standard display of the control sys-
tem appears (
page 105).

Press button
k
or
j
on the mul-
tifunction steering wheel until the FSS
indicator appears in the display.

Press the reset knob for about four
seconds.
This message appears in the display:DO YOU WANT TO RESET SERVICE INTER-
VAL? CONFIRM BY PRESSING RESET (R)
BUTTON

To confirm, hold down the reset knob
for about four seconds.
The service indicator now displays the
reset interval.
iIf the battery is disconnected, the days
of disconnection will not be included in
the count shown by the service indica-
tor. To arrive at the true service dead-
line, you will need to subtract these
days from the days shown in the ser-
vice indicator.
Do not confuse the service indicator
with the engine oil level indicator
:
.
iIf the service indicator was inadvertent-
ly reset, have a Mercedes-Benz Center
correct it.
Only reset if the proper service has
been performed. Resetting the system
without performing the proper service
as called for by the FSS will cause the
FSS to incorrectly determine the next
service interval which will result in en-
gine damage not covered by the
Mercedes-Benz Limited Warranty.

247
Practical hints
What to do if …
Problem
Possible cause
Suggested solution
-
The yellow ABS malfunction indi-
cator lamp comes on while driv-
ing.
The ABS has detected a malfunction and has
switched off. The BAS and the ESP are also
switched off (see messages in display).
The brake system is still functioning normally
but without the ABS available.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Failure to follow these instructions in-
creases the risk of an accidents.
The charging voltage has fallen below
10 volts and the ABS has switched off.

When the voltage is above this value
again, the ABS is operational again.

If necessary, have the generator and
battery checked.

252 Practical hintsWhat to do if …Messages in the display
The control system shows warning and
malfunction messages in the multifunction
display.
Certain warning and malfunction messag-
es are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.
Selecting the malfunction memory menu in
the control system (
page 112) displays
both cleared and uncleared messages.
High-priority messages appear in the mul-
tifunction display with a red background.
Cetrain messages of high priority cannot
be cleared from the multifunction display
using the reset knob (page 22).
Other messages of high priority and mes-
sages of less immediate priority (regular
display colors) can be cleared from the
multifunction display using the reset knob
and are then stored in the malfunction
message memory (
page 112). On the pages that follow, you will find a
compilation of all the messages that may
appear in the display.
Warning!
G
All categories of messages contain impor-
tant information which should be taken note
of and, where a malfunction is indicated, ad-
dressed as soon as possible at an autho-
rized Mercedes-Benz Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property dam-
age or personal injury.Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
Contact your nearest authorized
Mercedes-Benz Center.
iTurning the key in starter switch to
position
2 causes all lamps as well as
the multifunction display to come on.
Ensure that they are all in working or-
der before starting your journey.

253
Practical hints
What to do if …
Display
Possible cause
Suggested solution
-
ABS SYSTEM
VISIT WORKSHOP!
The ABS has detected a malfunction and
has switched off. The ESP and the BAS are
also deactivated. The brake system is still
functioning normally but without the ABS
available.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.
DISPLAY DEFECTIVE
VISIT WORKSHOP!
ABS or the ABS display is malfunctioning.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.

254 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
BAS
BRAKE ASSIST
NOT AVAILABLE!
The charging voltage has fallen below
10 volts and the BAS has switched off.

When the voltage is above this value
again, the BAS is operational again.

If necessary, have the generator and
battery checked.
BRAKE ASSIST
VISIT WORKSHOP!
The BAS has detected a malfunction and
switched off. The brake system is still func-
tioning normally but without the BAS avail-
able.

Continue driving with added caution.

Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of accident.
DISPLAY DEFECTIVE
VISIT WORKSHOP!
BAS or the BAS display is malfunctioning.

Continue driving with added caution.

Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of accident.

255
Practical hints
What to do if …
Display
Possible cause
Suggested solution
#
BATTERY/ALTERNATOR
VISIT WORKSHOP!
The battery was charged with a battery
charger or jump started.

Have the battery checked at a ser-
vice station.
The battery is no longer charging.
Possible causes:

alternator malfunctioning


broken poly-V-belt

Stop immediately and check the
poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise
the engine will overheat due to an in-
operative water pump which may re-
sult in damage to the engine. Notify
an authorized Mercedes-Benz
Center.
If it is intact:

Drive immediately to the nearest au-
thorized Mercedes-Benz Center.

256 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
3
(Canada only)
;
(USA only)
BRAKE WEAR
VISIT WORKSHOP!
The brake pads have reached their wear
limit.

Have the brake pads replaced as
soon as possible.
BRAKE FLUID
VISIT WORKSHOP!
There is insufficient brake fluid in the
reservoir.

Risk of accident! Stop the vehicle and
notify an authorized Mercedes-Benz
Center. Do not add brake fluid! This
will not solve the problem.
Warning!
G
Driving with this message displayed can re-
sult in an accident. Have your brake system
checked immediately. Don’t add brake fluid
before checking the brake system. Overfill-
ing the brake fluid reservoir can result in
spilling brake fluid on hot engine parts and
the brake fluid catching fire. You can be se-
riously burned.
!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.!Brake pad thickness must be visually
checked by a qualified technician at the
intervals specified in the service book-
let.

257
Practical hints
What to do if …
Display
Possible cause
Suggested solution
B
COOLANT
CHECK LEVEL
The coolant level is too low.

Add coolant (
page 229).

If you have to add coolant frequently,
have the cooling system checked by
an authorized Mercedes-Benz Cen-
ter.
Warning!
G
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. You can be seriously burned.
!Do not ignore the low engine coolant
level warning. Extended driving with
the message and symbol displayed
may cause serious engine damage not
covered by the Mercedes-Benz Limited
Warranty.
Do not drive without sufficient amount
of coolant in the cooling system. The
engine will overheat, causing major en-
gine damage.