2004 MERCEDES-BENZ CLK CABRIOLET check engine

305
Practical advice
Display messag esDisplay messages Possible cause
/consequ ence Possible sol
ution HTyre
pressu remonitor
not available! The tyre pressure loss warning fea-
ture has
been deactivat eddue toa
fault. 6
Have the tyre pressure loss warning*
checked at a qualified specialist workshop,
e.g. a Mercedes-Benz Servi ceCentre. F
Key
Check battery! The KEYLESS GO key* batteries are
discharged. 6
Chang ethe batteries ( =pa ge 354). F
Key
not detected! The KEYLESS GO key* is
not detect-
ed while the engine is running be-
cause:
! the key is not inside the vehicle
! there is strong interference
from a radio source 6
Stopyour vehicle as soon as itis safe to do
so.
6 Look for the key.
Switchi ngoff the engine prevents you from
locking the vehicle centrally or starting the
engine.
Operate the vehicl eusing the key function. F
Key
not detected! The KEYLESS GO key* is currently
not detected. 6
Alterthe position of the key in the vehicle.
6 Insert the key into the ignition lock and op-
erate the vehicle using the ignition lock. 209en_d2.boo Seite
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314 Practical advice
Trouble
shoo ting Problem Possible cause Suggested solutions
D
The red coolant warning lamp
lights up wh ile the engine is
running. There is insufficient coolant in the reservoir. 6
Top up the coolant immediately, oth-
erwise the engine could ove rheat
(= page 247). If this warning lamp lights up frequently,
there is a leak in the cool
ing system. 6
Have the cooling system checked. If the coolant lev
elis correct, the radiator fan
may be faulty. 6
If the coolant temperature is below
12 5° C, you can drive on to the near-
est qualifie dspec ialist wor ksho p, e .g.
a Mercedes-Benz Servi ceCentre.
6 Avoid plac ing a heavy strai non the en-
gi ne (e.g. driving on mountain roads)
and stop /start driving. D
The red coolant warning lamp
lights up while you are dri ving
and you can hear an audible
warning. The coolant temperature has
exceeded
125 °C. 6
Stop as soon as possible and allow
the engine and the coolant to cool
down. 209en_d2.boo Seite
314 Dienstag, 25. Mai 2004 7:26 19

315
Practical advice
Tr ou bleshooting Problem Possible cause Suggested solutions
±
The yellow engine diagnostic in-
dicator lamp lights up while you
are driving. There is a malfunction:
!
in the engine management system
! in the fuel injection system
! in the ignition system, or
! in the exhaust system
The emission limit values may be exceeded
and the engine may be runn ing in emergency
mode. 6
Have the vehicle checked as soon as
possible at a qualified specia list wo rk-
shop, e.g. a Mercede s-Benz Service
Centre. The fuel tank has run dry. 6
Start the engine three to four times
after refuelling.
6 Emergency mode is cancelled. You
do not need to have your vehicle
check ed. \
The yellow roll-over bar warning
lamplights up or flickers when
the engine is sw itched on. The roll-o
ver bar release system is faulty. 6
Release the roll-over bars manually
and have them checked immediately
at a qual ified specialist workshop, e.g.
a Mercedes-Benz Service Centre.
G Otherwise, there is a risk ofan
accident. 209en_d2.boo Seite
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325
Practical advice
Tr ou bleshooting Problem Possible caus
e/consequ ence Suggested sol
utions The coolant temperature gauge is above
+130 °C. The coolant warning lamp may
also be
lit and a warning signal may sound
( = pag e107). The coolant
level is too low. The coolant is
too hot and the engine is no longer being
cooled sufficiently. 6
Stop as soon as possible and allow the
engine and the coolant to cool down.
6 Check the coolant level, while observing
the warn ings, and top up the coolant if
nec essary (
=page 247). If the coolant
level is correct, the radiator
fan may be faulty. The coolant is too hot
and the engine is no longer being coo led
sufficiently. 6
If the coolant temperature is below
130 °C ,you can drive on to the nearest
qual ified specialist workshop, e.g. a
Mercedes-Benz Serv ice Ce ntre.
6 When doing so, avoid placing a heavy
strain on the engine (e.g. driving on
mo untain roads) and stop /start driving. 209en_d2.boo Seite
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326 Practical advice
Trouble
shoo ting Automatic transmission*
Problem Possible cau
se/c onsequ ence Su
ggested solutions Problems with
gear shifts. The trans
mission is losing oil. 6
Have the tran smission checked immedi-
ately at a qualified speci alist workshop,
e.g. a Mercedes-Benz Service Centre. The acceleration capability is deteriorat-
ing.
The transmission no
longer changes gear. The trans
mission is in emergency mode.
You can only shift to 2ndgearor reverse
ge ar. 6
Stop the vehicle.
6 Move the selector le ver to P.
6 Switch off the engine.
6 Wait at least ten seconds before restart-
ing the engine.
6 Move the selector lever to position D
or R.
In position D, the transmission shifts to
2nd gear,in Rit shifts to reverse gear.
6 Have the trans mission checked immedi-
ately at a qualified speci alist workshop,
e.g. a Mercedes-Benz Service Centre. 209en_d2.boo Seite
326 Dienstag, 25. Mai 2004 7:26 19

338 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequence Suggested solutions
You cannot lock or unlock the vehicle us-
ing the KEYLESS GO key. There is strong interference from a radio
source. 6
Lock or unlock the vehicle using the
emergency key element (=
page 341). The battery check lamp in the KEYLESS GO
key does not light up
when tested. The KEYLESS GO key batteries are dis-
charged. 6
Change the batteries ( =page 355). The vehicle cannot be started using the
KEYLESS GO key and the selector lever
button. The KEYLESS GO key is in the vehi-
cle. A door is open. The key cannot be easily
detected. 6
Close the door and restart the engine. You did not depress the brake pedal
when
starting the engine. 6
Depress the brake pedal and press the
KEYLESS GO button on the selector le-
ver. There is strong interference from a radio
source. 6
Start your vehic lewith the KEYLESS GO
key in the ignition lock. You have lost the KEYLESS GO key. 6
Have the KEYLESS GO ke ycancelled at
a Mercedes-Benz Servic eCentre.
6 Report the loss immediately to the ve-
hicle insurers.
6 If necessary, have the manual locks
changed too. 209en_d2.boo Seite
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347
Practical advice
Opening /closing in an emergency
Check the following points if the soft top
does not close automatically:
! Is the boot separator engaged
(= page 188)?
! Is the skibag cover closed
(=
page 189)?
! Have the roll-over bars been deployed?
! Is the boot lid closed?
! Is the on-board voltage sufficient?
Start the engine if necessary.
If the automatic function still does not
work, you may close the soft top manually.
You will require somebody to assist you in
carrying out this work. i Soft top emergency operation isa complex,
technically demanding procedure req uiring a
great deal of strength. Only close the soft top
manually under extreme circumstances. In this
sit uation, it is better to consult a qualified spe-
cia list workshop, e.g. a Mercede s-Be nz Service
Centre. 6
Apply the parking brake.
6 Open the side windo ws.
6 Lower the head restraints ( =page 94).
i The roll-over bars may have been deployed
if the head restraints cannot be lowered. For in-
for ma tion abo utlowering the roll-over bars man-
ually ( =
page 344).
6 Remove the key from the ignition lock.
6 Open the boot. 6
Take the two straps from the vehicle
toolkit. For more information about the
vehicle tool kit ( =pa ge 276).
6 Take the Allen key from the Owner's
Manual wallet.
6 Remove the trim inthe boot on the left-
hand side.
1 Locking mechanism
6 Pull locking mechanism 1out to the
stop and turn itapproximately a quar-
te r of a turn. Operating the
softtop in an
emerge ncy (Cabriolet) G
Risk of injury !
Remove your wrist watch and any items
ofjewellery, such as rings orbracelets.
You could otherwise get caug ht, inju re
yourself and damage the vehicle.
! Only touch those places expressly indi-
cate dwhenoperati ngthe soft top in an
em ergency. Otherwise, you could injure
yours elf. P 77.00-2222-31
==209en_d2.boo Seite
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380 Practical advice
Jump-starting
6
Connect positive terminal 1to posi-
ti ve conta ct2 on your vehicle using
the jump lead. Start with the donor bat-
ter y.
6 Run the donor vehicle's engine at idling
speed.
6 Connect negative terminal 4of the
donor battery to negative contact 3of
your vehicle using the jump lead. Start
wi th the donor battery.
6 Start the engine.
6 You can now switch electrical consum-
ers back on. Do not under any circum-
stances switch on the lights. 6
First undo the jump leads from nega-
tive terminals 3and 4of the batter-
ies, and then from positi veterminals
1 and 2.
6 Have the battery checked at aqualified
specialist workshop, e.g. a Mercedes-
Benz Service Centre. 209en_d2.boo Seite
380 Dienstag, 25. Mai 2004 7:26 19