2002 MERCEDES-BENZ CL500 Malfunction

304 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 303This 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 303The displays for several systems have failed. Some
systems themselves may also have failed.
Line 1 Line 2 C*
DISPLAY DEFECTIVE VISIT WORKSHOP! 2
Line 1 Line 2 C*
DISPLAY DEFECTIVE VISIT WORKSHOP! 2
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305 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 303
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
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306 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
ENTRY POSITION
* C = Category, see page 303Wait until the seat and steering wheel have moved to
their driving positions. The display will clear when they
have done so.
See also page 66 for easy-entry/exit feature.BRAKE ASSIST
* C = Category, see page 303A malfunction has been detected in the system. The
brake system functions in the usual manner, but
without brake assist system (BAS).
See page 275 for notes on the brake assist system (BAS).
Line 1 Line 2 C*
ENTRY POSITION DO NOT DRIVE! 1
Line 1 Line 2 C*
BRAKE ASSIST VISIT WORKSHOP! 2
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307 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 303When 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 303 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.
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308 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 303
TRUNK OPEN* C = Category, see page 303 Line 1 Line 2 C*
PARKING BRAKE RELEASE PARKING BRAKE! 1Line 1 Line 2 C*
TRUNK OPEN! 2
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309 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 3031 The display or the system is malfunctioning.
2 A ma lfun ction has been detected in the s ystem. On ly partial engine
output will be available.
3 The enhanced vehicle stability offered by ESP and the torque
reduction feature are unavailable.
4 This message may be displayed if the power supply was
interrupted (battery disconnected or empty). Synchronize ESP, see
page 279.
Line 1 Line 2 C*
DISPLAY DEFECTIVE VISIT WORKSHOP!
1
2
ESP VISIT WORKSHOP!
2, 3, 4
2
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310 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 303When 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.
Notes:
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 117.
See page 339 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.
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311 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index COOLANT (coolant temperature)
* C = Category, see page 303
1 This may indicate that the poly-V-belt has broken. Should this
con dition o ccur, the poly-V-belt must be repla ced befo re co ntin uin g
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.
2 The cooling fan for the coolant is faulty. Observe the coolant
temperature gauge. See page 117
During severe operating conditions and stop-and-go city
traf f ic, the coolant temperature may rise close to the red
marking.
The engine should not be operated with the coolant
temperature in the red zone. Doing so may cause
serious engine damage which is not covered by the
Mercedes-Benz Limited Warranty.
Line 1 Line 2 C*
COOLANT STOP, ENGINE OFF!
1
1
COOLANT VISIT WORKSHOP!
2
2
Wa r n i n g !
Driving when your engine is badly overheated can
cause some fluids which may have leaked into the
engine compartment to catch fire. You could be
seriously burned.Steam from an overheated engine can cause serious
burns and can occur just by opening the engine
hood. Stay away from the engine if you see or hear
steam coming from it.Turn off the engine, get out of the vehicle and do
not stand near the vehicle until it cools down.
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