2004 MERCEDES-BENZ CLK CABRIOLET fuel

316 Practical advice
Trouble
shoo ting Problem Possible cause Suggested solutions
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Thered seat belt warning lamp
lights up and you also hear an in-
termittent audible signal. The
warning lamp is to remind you to fasten
the sea tbelt.
It lights up ifthe driver has not fastened his
seat belt as soon as:
! the engine isrunning
! the drive r's door is closed
The intermittent signal sounds for approxi-
mately 93 seconds as soon as you exceed a
road speed of 25 km /h. 6
Fasten your seat belt ( =page 32).
The warning lamp goes out and the
audible signal ceases.
The audible signal ceases automati-
cally after no more than 93 seconds,
even ifyou have not fastened your
seat belt. You have placed objects on the seat. 6
Remove the objects fro mthe seat.
or 6 Sec ure them with the seat belt. A
The yellow reserve fuel warning
lamp lights up while you are driv-
ing. The petrol or diesel level has fallen into the
reserve range. 6
Refuel at the nearest filling station
(=
page 241). 209en_d2.boo Seite
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319
Practical advice
Tr ou bleshooting Accident
Problem Possible cause
/consequ ence Suggested sol
utions The vehicle is losing fuel. The fuel
line or tank is faulty. 6
Switch off the ignition immediately.
6 Remove the ignition key.
6 Do not restart the engine under any cir-
cumstances.
There is a risk of fire or explosion.
6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Servi ceCentre. The extent of the damage cannot be de-
termined. 6
Consult a qualif ied specialist workshop,
e.g. a Mercedes-Benz Servi ceCentre. There appears to be no damage to:
!
the major assemblies
! the fuel system
! theengine mountings 6
Start the engine as usual. 209en_d2.boo Seite
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321
Practical advice
Tr ou bleshooting Fuel
and fuel tank Problem Possible caus
e/consequ ence Suggested sol
utions The vehicle is losing fuel. The fuel
line or tank is faulty. 6
Switch off the ignition immediately.
6 Remove the ignition key.
6 Do not restart the engine under any
circumstances.
There isa risk ofignition or explosion due to
the leaking fuel.
6 Inform a qualified speci alist workshop,
e.g. a Mercedes-Benz Servi ceCentre. 209en_d2.boo Seite
321 Dienstag, 25. Mai 2004 7:26 19

322 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequ ence Su
ggested solutions The fuel tank has run dry in a vehicle with
a diesel engine. There is air
inthe fuel system. 6
After refuelling, turn th estarter motor
for up to 60 seconds without interrup-
tion until the engine is runn ing smooth-
ly.
The fuel system is bled.
If the engine does not start:
6 Wait for two minutes.
6 Repeat the startin gprocedure for up to
60 seconds.
If the vehicle still does not start:
6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. The fuel filler flap cannot be opened. The fuel filler flap
isnot unlocked. The
batteries in the remote control or the
KEYLESS GO key* are discharged. 6
Unlock the boot using the emergency
key element (
=page 34 1).
6 Unlock the fuel filler flap manually
( = page 342). The fuel filler flap
isunlocked but the
opening mechanism is jamme d. 6
Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. 209en_d2.boo Seite
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323
Practical advice
Tr ou bleshooting En
gine Problem Possible caus
e/consequ ence Suggested sol
utions The engine does not start. You can hear
th
e starter motor working. !
There may be a malfunct ion in the en-
gine electronics.
! There may be a malfunction in the fuel
supply. 6
Turn the ignition back to 0before at-
tem pting to rest art the engine.
6 Restart the engine ( =page 38). Note
that excessively long and freque ntat-
tem pts to st artth eengine may drain the
battery.
If the engine stil ldoes not start after several
attempts:
6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Servi ceCentre. Vehicles with a diesel eng
ine:
The engine does not start. You can hear
th e starter motor working. The reserve
fuel warning lamp is lit and the fuel gauge
is showing 0. The fuel tank has run dry. 6
Refuel the vehicle.
6 Bleed the fuel system ( =page 322). 209en_d2.boo Seite
323 Dienstag, 25. Mai 2004 7:26 19

324 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequ ence Su
ggested solutions The engine does not start. You cannot
hear
the sta rter mo tor wor king. The on-board
voltage is too low (the start-
er battery is discharged or nearly dis-
char ged). 6
Jump-s tarting may beperform ed.
If the engine does not start despite jump-
starting:
6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. Vehicles with a petrol engine:
the engine is not running smoothly and is
misfiring. The
engine electronics or a mechanical
component in the engine con trol system
is faulty. 6
Do not use too much throttl e.
6 Have the cause rectified immediately at
a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
Non-combusted fuel can otherwise get
into the catalytic co nverter and dama ge
it. Vehicles with a diesel engine:
the engine does not switch off. 6
Open the main fuse box (= page 386).
6 Pull out the two fuses markedMOTOR NOT
AUS
using the fuse extractor.
The engine stops.
If you wish to restart the engine:
6 Put the fuses bac kin. 209en_d2.boo Seite
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339
Practical advice
Tr ou bleshooting Aux
iliaryheatin g* Problem Pos
sible caus e/consequ ence Suggested solutions
The auxiliary heating is not
working. The fuel tank is only a quarter full. 6
Refuel at the nearest filling station. The battery check lamp on the auxiliary
heating remote control lights up in orange. The remote control batterie
sare nearly
dis charge d. 6
Change the remote control batte ries
(= page 356). The battery check lamp on the auxiliary
heating remot
e control flashes in oran ge. The remote control batteries are dis-
charg
ed. 6
Change the remote contro lbatte ries
(= page 356). 209en_d2.boo Seite
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342 Practical advice
Openin
g/clo sing in an emergency
Boot lock 1 To unlock
6 Insert the emergency key element in
the boot lock.
6 Turn the key sli ghtly anti-clockwise to
position 1.
6 Pull the boot lid handle and lift the boot
lid. If the vehicl
ecan no longer be locked using
the key, lock it as follows:
6 Close the passenger door.
6 Press the central locking switch inthe
coc kpit (
=page 89).
6 Check whether the locking knob on the
passenger door is sti llvisible. Press it
down manually if necessary.
6 Lock the driver's door using the emer-
gency key element. The emergency release is located in the
boot behind the side trim on the right-hand
side when viewed in the direction of travel.
6 Open the boot ( =page 84). P 80.20-2597-31 Locking the vehicle Fuel filler
flap emergency release G
Risk ofinjury When operating the
emergency release,
avoid touching the edges of the vehicle
walls. You could oth erwise injure yourself. 209en_d2.boo Seite
342 Dienstag, 25. Mai 2004 7:26 19