2002 MERCEDES-BENZ C320 WAGON Owner's Manual

286 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Note:
Certain malfunction and warning messages are
accompanied by an audible signal.
Malfunction and warning messages in red are always
accompanied by an audible signal.
Temporary messages such as “HOOD OPEN!” will not be
stored in the malfunction message memory.
Wa r n i n g !
All categories of messages contain important
information which should be taken note of and,
where malfunction indicated, addressed as soon as
possible at an authorized Mercedes-Benz Center.Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz Limited
Warranty, or result in property damage or personal
injury.
S203.book Seite 286 Freitag, 19. Oktober 2001 1:25 13

287 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index DISPLAY DEFECTIVE (engine control unit)
* C = Category, see page 285This message is displayed to indicate that the
information being relayed by the engine control unit is
no longer complete. The display for coolant temperature
gauge, tachometer, or the cruise control may have failed.DISPLAY DEFECTIVE (several systems)
* C = Category, see page 285The displays for several systems have failed. Some
systems themselves may also have failed.
Line 1 Line 2 C*
VISIT WORKSHOP! DISPLAY FAULTY 2
Line 1 Line 2 C*
VISIT WORKSHOP! DISPLAY FAULTY 2
S203.book Seite 287 Freitag, 19. Oktober 2001 1:25 13

288 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
BATTERY / ALTERNATOR
* C = Category, see page 285
This message indicates a malfunction which must be
repaired immediately.
It may indicate that the poly-V-belt has broken. Should
this condition occur, the poly-V-belt must be replaced
before continuing to operate the vehicle. Otherwise, the
engine will overheat due to an inoperative water pump
which may result in damage to the engine.
Do not continue to drive the vehicle with this message
displayed.
Doing so could result in serious engine damage that is
not covered by the Mercedes-Benz Limited Warranty.
Line 1 Line 2 C*
BATTERY/ALTERNATOR VISIT WORKSHOP! 2
S203.book Seite 288 Freitag, 19. Oktober 2001 1:25 13

289 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index ANTILOCK BRAKE SYSTEM
* C = Category, see page 285See page 268 for notes on the antilock brake system
(ABS).1 The display or the system is malfunctioning
BRAKE ASSIST* C = Category, see page 285A malfunction has been detected in the system. The
brake system functions in the usual manner, but
without brake assist system (BAS).
See page 267 for notes on the brake assist system (BAS).
Line 1 Line 2 C*
ABS SYSTEM VISIT WORKSHOP! 2
DISPLAY DEFECTIVE VISIT WORKSHOP!
1
2
Line 1 Line 2 C*
BRAKE ASSIST NOT AVAILABLE! 2
BRAKE ASSIST VISIT WORKSHOP! 2
DISPLAY DEFECTIVE VISIT WORKSHOP! 2
S203.book Seite 289 Freitag, 19. Oktober 2001 1:25 13

290 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
BRAKE PAD WEAR
* C = Category, see page 285When this message appears during braking, it indicates
that the brake pads are worn down.
Have the brake system checked at your authorized
Mercedes-Benz Center as soon as possible.BRAKE FLUID
* C = Category, see page 285 Line 1 Line 2 C*
BRAKE PAD WEAR VISIT WORKSHOP! 2Line 1 Line 2 C*
BRAKE FLUID VISIT WORKSHOP! 2Wa r n i n g !
Driving with this message displayed can result in
an accident. Have your brake system checked
immediately. Don’t add brake f luid before checking
the brake system. Overfilling the brake fluid
reservoir can result in spilling brake fluid on hot
engine parts and the brake fluid catching fire. You
can be seriously burned.
S203.book Seite 290 Freitag, 19. Oktober 2001 1:25 13

291 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index PA R K I N G B R A K E
* C = Category, see page 285
SEAT BELT SYSTEM* C = Category, see page 285 Line 1 Line 2 C*
PARKING BRAKE ENGAGE BRAKE! 1
PARKING BRAKE RELEASE BRAKE! 1Line 1 Line 2 C*
SEAT BELT SYSTEM VISIT WORKSHOP! 1
PASSENGER SEAT BELT FASTEN SEAT BELT! 2
DRIVER SEAT BELT FASTEN SEAT BELT! 2
S203.book Seite 291 Freitag, 19. Oktober 2001 1:25 13

292 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
ELEC. STABIL. PROG. (Electronic stability program)
* C = Category, see page 2851 The enhanced vehicle stability offered by ESP and the torque
reduction feature are unavailable.
2 This message may be displayed if the power supply was
interrupted (battery disconnected or empty). Synchronize ESP, see
page 271
3 The system is temporarily unavailable. The reason could be that
the self-diagnosis has not been completed. The display will clear
itself after driving a short distance at more than 12 mph
(2o km/h).
4 The system is unavailable due to low voltage, e.g. battery not being
charged.
5 A malfunction has been detected in the system. In case of ESP
malfunction the ESP warning lamp in the instrument cluster
illuminates and the ESP switch in the center console does not
function. If in addition the ABS is malfunctioning, only partial
engine output will be available.
6 The display or the system is malfunctioning. Line 1 Line 2 C*
ELEC. STABIL. PROG. NOT AVAILABLE!
1, 2, 3, 4
2
ELEC. STABIL. PROG. VISIT WORKSHOP!
1, 5
2
DISPLAY DEFECTIVE VISIT WORKSHOP!
6
2
S203.book Seite 292 Freitag, 19. Oktober 2001 1:25 13

293 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index COOLANT (coolant level)
* C = Category, see page 285When this message appears while driving, the coolant
level has dropped below the required level. If no leaks
are noticeable and the engine temperature does not
increase, continue to drive to the nearest service station
and have coolant added to the coolant system.The low engine coolant level warning should not be
ignored. Extended driving with the symbol displayed
may cause serious engine damage not covered by the
Mercedes-Benz Limited Warranty.
In cases of major or frequent minor coolant loss, have
the cooling system checked at your authorized
Mercedes-Benz Center as soon as possible.
Note:
Do not drive without coolant in the cooling system. The
engine will overheat causing major engine damage.
Monitor the coolant temperature gauge while driving,
see page 131.
See page 316 for instructions on topping up the coolant.Line 1 Line 2 C*
COOLANT CHECK LEVEL! 2
Wa r n i n 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.
S203.book Seite 293 Freitag, 19. Oktober 2001 1:25 13