engine MERCEDES-BENZ CLK-CLASS 2003 Repair Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2003, Model line: CLK-CLASS, Model: MERCEDES-BENZ CLK-CLASS 2003Pages: 330, PDF Size: 15.73 MB
Page 227 of 330
224 Check regularly and before a long trip
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Check regularly and before a long trip 1Engine oil level
See “Engine oil level, checking” on page 114 and
page 253.
2Coolant level
See “Coolant level” on page 254.
3Brake fluid
See “Brake fluid” on page 307.
4Windshield washer system
Headlamp cleaning system
For refilling reservoir see page 256.
Opening hood, see page 251.
Ve h i c l e l i g h t i n g : Check function and cleanliness. For
replacement of light bulbs, see “Exterior lamps” on
page 275.
Exterior lamps switch, see page 116.
Mercedes-Benz
Mercedes-Benz
4
2
1
3
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Page 228 of 330
225 Contents – Instrument cluster display
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Instrument cluster displayMalfunction and
indicator lamps in the
instrument cluster ....................226
On-board diagnostic system
Check engine malfunction
indicator lamp .............................226
Brake warning lamp ..................227
Supplemental restraint system
(SRS) indicator lamp ..................228
Fuel reserve and fuel cap
placement warning ....................228
Electronic stability program
(ESP) — warning lamp ...............229
BAS/ESP malfunction
indicator lamp .............................229
ABS malfunction
indicator lamp .............................229
Telescoping steering column –
indicator lamp .............................230
Seat belt warning lamp .............230Malfunction and
indicator lamps in the
center console ........................... 231
AIRBAG OFF indicator lamp .... 231
Malfunction and
warning messages in the
multifunction display .............. 232
DISPLAY DEFECTIVE
(engine control unit) ................. 233
DISPLAY DEFECTIVE
(several systems) ....................... 233
BATTERY/ALTERNATOR .......... 234
ABS-SYSTEM .............................. 235
BRAKE ASSIST ........................... 235
BRAKE LINING WEAR .............. 236
BRAKE FLUID ............................ 236
PARKING BRAKE ....................... 237
ENGINE FAN ............................... 237
COOLANT
(coolant level) ............................. 238
COOLANT TEMP.
(coolant temperature) ............... 239LIGHTING SYSTEM ....................240
LIGHT SENSOR ........................... 241
STEER. WHEEL ADJUST. ........... 241
ENGINE OIL LEVEL ...................242
ELEC. STABIL. PROGRAM.
(Electronic stability
program) ......................................243
REMOVE KEY .............................243
WASHER FLUID .........................244
TELE AID .....................................245
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Page 229 of 330
226 Malfunction and indicator lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Malfunction and indicator lamps
in the instrument cluster
General information:
If a bulb in the instrument cluster fails to light up
during the bulb self-check when turning the electronic
key in steering lock to position 2, have it checked and
replaced if necessary.
On-board diagnostic system
Check engine malfunction indicator lamp
Engine malfunction indicator lamp. If the
“CHECK ENGINE” malfunction indicator
lamp comes on when the engine is running,
it indicates a malfunction of the fuel management
system, emission control system, systems which impact
emissions, or the fuel cap is not closed tight (check the
fuel cap). If the “CHECK ENGINE” lamp is illuminated
continuously and the vehicle is driving normally, you
may still drive the vehicle, however, in all cases, we
recommend that you have the system checked at your
authorized Mercedes-Benz Center as soon as possible.
If the “CHECK ENGINE” lamp comes on continuously
and / or the vehicle is not driving normally (e.g.
malfunction of the fuel management system or running out of fuel), serious damage can occur to the emission
system. Please contact your authorized Mercedes-Benz
Center immediately.
The Sequential Multiport Fuel Injection (SFI) control
module monitors emission control components that
either provide input signals to or receive output signals
from the control module. Malfunctions resulting from
interruptions or failure of any of these components are
indicated by the “CHECK ENGINE” malfunction
indicator lamp in the instrument cluster and are
simultaneously stored in the SFI control module.
If the “CHECK ENGINE” malfunction indicator lamp
comes on, have the system checked at your authorized
Mercedes-Benz Center as soon as possible.
With some exceptions, the control module switches off
the “CHECK ENGINE” malfunction indicator lamp if the
condition, causing the lamp to come on, no longer exists
during three consecutive cycles. See also page 228 for
fuel cap placement warning.
An on-board diagnostic connector is located in the
passenger compartment near to the parking brake
pedal, allowing the accurate identification of system
malfunctions through the readout of diagnostic trouble
codes.
CHECK
ENGINE
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Page 230 of 330
227 Malfunction and indicator lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index Brake warning lamp
Except Canada
Canada only
When the brake warning lamp and message appear
while the engine is running, this means:
•there is insufficient brake fluid in the reservoir
(engine running and parking brake released), or
•the parking brake is set (engine running).Note:
If you find that the minimum mark on the brake fluid
reservoir is reached, have the brake system checked for
brake pad thickness and leaks.
BRAKE
Wa r n i n g !
Driving with the brake warning lamp illuminated
can result in an accident. Have your brake system
checked immediately if the brake warning lamp
stays on. Don’t add brake fluid 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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Page 231 of 330
228 Malfunction and indicator lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Supplemental restraint system (SRS) indicator lamp
The operational readiness of the airbag
system is verified by the indicator lamp
“SRS” in the instrument cluster when
turning the electronic key in steering lock to position 1
or 2. If no malfunction is detected, the lamp will go out
after approximately 4 seconds; after the lamp goes out,
the system continues to monitor the components and
circuitry of the airbag system and will indicate a
malfunction by coming on again.
See page 68 for notes on airbags, see page 67 for belt
tensioners and page 76 for infant and child seat
restraint.Fuel reserve and fuel cap placement warning
When the warning lamp (1) comes on after starting the
engine, or if it comes on while driving, it indicates that
the fuel level is down to the reserve quantity of
approximately 2.1 gal (8 liters).
The warning lamp blinks when the fuel cap is not
closed, or a fuel system leak has been detected.
Retighten cap and see if lamp goes out after restart and
next OBD selfcheck.
If the warning lamp continues to blink after closing the
fuel cap correctly, have the fuel system checked at your
authorized Mercedes-Benz Center as soon as possible.
Leaving the engine running and the fuel cap open can
also cause the “CHECK ENGINE” lamp to illuminate, see
page 226.
Wa r n i n g !
In the event a malfunction of the “SRS” is indicated
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.SRS
1
P54.30-4557-21
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Page 232 of 330
229 Malfunction and indicator lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index Electronic stability program (ESP) — warning lamp
The yellow ESP warning lamp in the
speedometer dial comes on with the
electronic key in steering lock position 2.
It should go out with engine running.
See page 218 if the warning lamp lights up or flashes
when the vehicle is moving.
BAS / ESP malfunction indicator lamp
The malfunction indicator lamp for the ESP
is combined with that of the BAS.
The yellow BAS/ESP malfunction indicator
lamp in the instrument cluster comes on with the
electronic key in steering lock position 2. It should go
out with the engine running.
If the BAS/ESP malfunction indicator lamp remains
illuminated with the engine running, see page 214 for
notes on the brake assist (BAS) and page 218 for notes
on the electronic stability program (ESP).ABS malfunction indicator lamp
The ABS malfunction indicator lamp in the
instrument cluster comes on with the
electronic key in steering lock position 2 and
should go out with the engine running.
When the ABS malfunction indicator lamp and the
malfunction message in the instrument cluster remains
illuminated while the engine is running, it indicates
that the ABS has detected a malfunction and has
switched off. In this case, the brake system functions in
the usual manner, but without antilock assistance.
With the ABS malfunctioning, the BAS and ESP are also
switched off. Both malfunction indicator lamps and the
ABS malfunction message in the multifunction display
come on with the engine running.
If the charging voltage falls below 10 volts, the
malfunction indicator lamp comes on and the ABS is
switched off. When the voltage is above this value again,
the malfunction indicator lamp should go out and the
ABS is operational.
Have the system checked at your authorized
Mercedes-Benz Center as soon as possible.
See page 216 for notes on the antilock brake system
(ABS).
BAS
ESP
ABS
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230 Malfunction and indicator lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Telescoping steering column – indicator lamp
The indicator lamp in the instrument cluster
comes on with the electronic key in steering
lock position 2 and should go out with the
engine running.
If the indicator lamp does not go out after starting the
engine, the adjustable steering column is not properly
locked.
For locking the adjustable telescoping steering column,
see page 79.Seat belt warning lamp
With the electronic key in steering lock
po sition 2, t he seat be lt warn in g lamp comes
on and a warning sounds for approx.
6 seconds if the driver’s seat belt is not fastened.
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Page 236 of 330
233 Malfunction and warning messages
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index DISPLAY DEFECTIVE (engine control unit)
This message is displayed to indicate that the
information being relayed by the engine control unit is
no longer complete. The coolant temperature gauge,
tachometer, or the cruise control may have failed.DISPLAY DEFECTIVE (several systems)
The displays for several systems have failed. Some
systems themselves may also have failed.
Line 1 Line 2
DISPLAY DEFECTIVE VISIT WORKSHOP!
Line 1 Line 2
DISPLAY DEFECTIVE VISIT WORKSHOP!
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234 Malfunction and warning messages
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
BATTERY/ALTERNATORThis 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
BATTERY/ALTERNATOR VISIT WORKSHOP!
OVERVOLTAGE VISIT WORKSHOP!
UNDERVOLTAGE CONSUMER DEFECTIVE!
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236 Malfunction and warning messages
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
BRAKE LINING WEAR
When 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
Line 1 Line 2
BRAKE LINING WEAR VISIT WORKSHOP!
Line 1 Line 2
BRAKE FLUID VISIT WORKSHOP!Wa 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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