Page 305 of 406

302 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 293
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 137
During severe operating conditions and stop-and-go city
traffic, the coolant temperature may rise close to 120
°C.
The engine should not be operated with the coolant
temperature above 120
°C. 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.
OM_203.book Seite 302 Donnerstag, 31. Mai 2001 11:57 11
Page 306 of 406

303 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index ENGINE OIL LEVEL
* C = Category, see page 293.
1 The engine oil level must be checked immediately. See Engine oil
level indicator on page 141.
2 There is no oil in the engine. There is a danger of engine damage.3 There is a risk of damaging the engine or catalytic converter. The
engine oil level must be checked immediately. See Engine oil level
indicator on page 141.
4 The engine oil level has dropped to a critical level.
Check the engine oil level immediately. See Engine oil level
ind icator on page 141 and check the en gine fo r visibl e leakage (los s
of oil).
It may be that there is water in the engine oil. Have the engine oil
checked.
5 The measuring system is malfunctioning.
When the “ENGINE OIL LEVEL – CHECK LEVEL!”
message appears while the engine is running and at
operating temperature, the engine oil level has dropped
to approximately the minimum mark on the dipstick.
When this occurs, the warning will first come on
intermittently and then stay on if the oil level drops
further.
If no oil leaks are noted, continue to drive to the nearest
service station where the engine oil should be topped to
the “full” mark on the dipstick with an approved oil.
The engine oil level warnings should not be ignored.
Extended driving with the symbol displayed could
result in serious engine damage that is not covered by
the Mercedes-Benz Limited Warranty.
Line 1 Line 2 C*
ENGINE OIL LEVEL CHECK LEVEL!
1
2
ENGINE OIL LEVEL STOP, ENGINE OFF!
2
1
ENGINE OIL LEVEL REDUCE OIL LEVEL1
3
2
ENGINE OIL VISIT WORKSHOP!
4
2
ENGINE OIL LEVEL VISIT WORKSHOP!
5
2
OM_203.book Seite 303 Donnerstag, 31. Mai 2001 11:57 11
Page 307 of 406
304 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
LIGHTING SYSTEM
Line 1 Line 2 C*
LOW BEAM,L CHECK LAMPS! 2
LOW BEAM,R CHECK LAMPS! 2
DISPLAY DEFECTIVE VISIT WORKSHOP!
1
2
TURN SIGNAL, L CHECK LAMPS! 2
TURN SIGNAL, R CHECK LAMPS! 2
L. TURN SIG. RFLECTR CHECK LAMPS! 2
R. TURN SIG. RFLECTR CHECK LAMPS! 2
TURN SIGNAL F, L CHECK LAMPS! 2
TURN SIGNAL F, R CHECK LAMPS! 2
BRAKE LIGHT
2
VISIT WORKSHOP! 2
BRAKE LIGHT, L
3
CHECK LAMPS! 2
BRAKE LIGHT, R
3
CHECK LAMPS! 2
3RD STOP LAMP
3
CHECK LAMPS! 2
HIGH BEAM, L CHECK LAMPS! 2
HIGH BEAM, R CHECK LAMPS! 2
LICENSE PLATE L, L CHECK LAMPS! 2
LICENSE PLATE L, R CHECK LAMPS! 2
LIGHTS SWITCH OFF LIGHTS! 1
AUTOM. LIGHT ON REMOVE KEY! 1
FRONT FOGLAMP, L CHECK LAMPS! 2
FRONT FOGLAMP, R CHECK LAMPS! 2
REAR FOGLAMP CHECK LAMPS! 2 Line 1 Line 2 C*
OM_203.book Seite 304 Donnerstag, 31. Mai 2001 11:57 11
Page 308 of 406

305 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care IndexIn t he case of bulb failures in certain lamps, ot her lamps
will substitute. See page 351 for instructions on
replacing bulbs.
* C = Category, see page 293
1 The display or the system is malfunctioning.
2 The brake lamps are switching on after a delay or are permanently
on – visit workshop immediately.
3 The brake lamp comprises several light emitting diodes. The
warning message will only appear if all light emitting diodes have
stopped working.
4 Other bulbs will be brought into use as replacements when certain
lamps blow. REAR FOGLAMP SWITCH OFF
SUBSTITUTE LAMP ON!
4
2
REVERSE LIGHT, L CHECK LAMPS! 2
REVERSE LIGHT, R CHECK LAMPS! 2
TAIL LIGHT, L CHECK LAMPS!
SUBSTITUTE LAMP ON!
4
2
TAIL LIGHT, R CHECK LAMPS!
SUBSTITUTE LAMP ON!
4
2
SIDELIGHT, L CHECK LAMPS!
SUBSTITUTE LAMP ON!
4
2
SIDELIGHT, R CHECK LAMPS!
SUBSTITUTE LAMP ON!
4
2 Line 1 Line 2 C*
OM_203.book Seite 305 Donnerstag, 31. Mai 2001 11:57 11
Page 309 of 406
306 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
LAMP SENSOR
* C = Category, see page 293The headlamps will be switched on automatically if the
light sensor malfunctions.
The individual setting menu “LIGHTING”,
“LIGHT CIRCUIT HEADLAMP MODE” can be set to
“MANUAL”. See page 128. It will then be possible to
s witch t he he ad lamp s on and of f us ing t he ex te rior lamp
switch. See page 143 for notes on the exterior lamp
switch. DOOR
* C = Category, see page 293. Line 1 Line 2 C*
LAMP SENSOR VISIT WORKSHOP! 2Line 1 Line 2 C*
DOOR OPEN! 1
OM_203.book Seite 306 Donnerstag, 31. Mai 2001 11:57 11
Page 310 of 406
307 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index TRUNK OPEN
* C = Category, see page 293
HOOD* C = Category, see page 293.See page 318 for hood.
Line 1 Line 2 C*
TRUNK OPEN! 2
Line 1 Line 2 C*
HOOD OPEN! 2
OM_203.book Seite 307 Donnerstag, 31. Mai 2001 11:57 11
Page 311 of 406
308 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
TELEPHONE – FUNCTION
* C = Category, see page 293.The display appears if button í or ì on the
multifunction steering wheel is pressed and the vehicle
is not equipped with a telephone.TELE AID
* C = Category, see page 293.
1 The Tele Aid system consists of three types of response; automatic
and manual emergency, roadside assistance and information. With
this message displayed, one or more functions may not be
avai lable.
See page 234 for notes on the Tele Aid.If a malfunction is indicated as outlined above, have the
system checked at the nearest Mercedes-Benz Center as
soon as possible.
Line 1 Line 2 C*
FUNCTION NOT AVAILABLE! 3
Line 1 Line 2 C*
TE L E A I D V I S I T WO R KS H O P !
1
1
OM_203.book Seite 308 Donnerstag, 31. Mai 2001 11:57 11
Page 312 of 406
309 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index WA S H E R F L U I D
* C = Category, see page 293.
When this message appears while the engine is
running, the level of the reservoir has dropped to
approximately
1/3 of the total volume. The reservoir
should be refilled with the prescribed mixture of MB
Windshield washer concentrate and water or the
concentrate and commercially available premixed
windshield washer solvent / antifreeze, depending on
ambient temperature, at the next opportunity. The
reservoir for the windshield and headlamp washer
systems is located in the engine compartment.
See windshield and headlamp washer system on
page 323 for instructions on topping up the washer
fluid.
Line 1 Line 2 C*
WASHER FLUID CHECK LEVEL! 3
OM_203.book Seite 309 Donnerstag, 31. Mai 2001 11:57 11