service MERCEDES-BENZ CLK CABRIOLET 2004 Repair Manual

306 Practical advice
Display
messages Display messages Pos
sible cause /consequence Possible solution
FKey
still in
vehicle! The key has been detected in the
vehicle during locking. 6
Remove the key from the vehicle.
Key
Visit work shop! There is a fault with the KEYLESS
GO system*. 6
Visit a qualif ied specialist workshop, e.g. a
Mercedes-Benz Service Centre.
Replace key The key
isno longer working. 6
Visit a qualif ied specialist workshop, e.g. a
Mercedes-Benz Service Centre. A
Reserve fu
el The fuel level has fallen
into the re-
serve range. 6
Refuel at the nearest filling station
( = page 241). J
Doors open! Yo
u are trying to pull away but at
least one of the doors is open. 6
Close the doors. #
Undervolta
ge
Charge battery The vehicle battery has insufficient
voltage. 6
Start the engine. #
Undervolta
ge
Switch off
consumers The vehicle battery has insufficient
voltage. 6
Switch off any consumers that are not re-
quired. 209en_d2.boo Seite
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307
Practical advice
Display messag esDisplay messages Possible cause
/consequ ence Possible sol
ution #Visit workshop! The battery is not being charged.
Possible causes:
! faulty alterna tor
! torn poly-V-belt
Remember that the brake system
requires electri cal energy and may
only operate to a limited extent un-
der certain circumstances. Consid-
erably greater braking force will
then be required and the stopping
distance will be increased. 6
Stopimmediately and check the poly-V-
belt.
If it is torn:
6 Donot drive any furth erand inf orm a
qualified specialist work shop, e.g. a
Mercedes-Benz Service Centre.
If it is not damaged:
6 Drive immediately to the nearest quali-
fied specialist workshop, e.g. a
Mercedes-Benz Service Centre. W
Washer
fluid
Check level The washer fluid level in the wind-
screen washer fluid reservoir has
dropped below the minimum level. 6
Top up the washer fluid ( =pa ge 248). 209en_d2.boo Seite
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309
Practical advice
Tr ou bleshooting Problem Possible cause Suggested solutions
The indicator lamp in the
±button in
the Thermatic /Thermotronic* control
panel lights up or flashes when you press
the button. The air-condi tioning system
cannot be switched on. The cooling system is losing refri
gerant. 6
Have the climate control system
checked at a qualified specialist work-
shop, e.g. a Mercedes-Benz Service
Centre. The PASSEN
GER AIRBAG OFF warning
lamp is lit on the centre console. A ch
ild seat is fitted to the front-passen-
ger seat. The front-passenger airbag has
been dea ctivat ed. There is no child seat fitted to the front-
pas
senger seat. The child seat recognition
system has malfunctioned. 6
Have the child seat recognition checked
at a qualified specialist worksho pwhi ch
has the necessary specialist kno wledge
and tools to carry out the work required.
Mercedes-Benz recommends that you
use a Mercedes-Benz Service Centre for
this purpose.
In particular, work relevant to safety or
on safety-related systems must be car-
ried out at a qualified specialist work-
shop.
G Otherwise, there is a risk of injur y. selbs
thi.fm Seit e309 Dienstag, 1. Juni 2004 7:03 19

312 Practical advice
Trouble
shoo ting Problem Possible cause Suggested solutions
l
Thered distance warning lamp
lights up wh ile you are driving
and you can hear a warning tone. You are approaching a vehicle
infront at too
great a speed. 6
Be prepared to brake immediately. The distance warning system has detected a
stationary obstacle in your line of travel. 6
Pay careful attent ion to the traffic sit-
uation. If necessary, you may have to
brake or avoid the obstacle. 1
The redSRS indicator lamp lights
up while you are driving. The restraint systems have malfunctioned.
The airbags or bel
ttensioners may be tri g-
gered unintentionally or not at all in an acci-
dent. 6
Drive carefully to the nearest quali fied
specialist workshop which has the
necessary specialist knowledge and
to ols to carry out the work required.
Mercedes-Benz recomm ends that you
use a Mercedes-Benz Service Centre
fo r this purpo se. In particular, work
relevant to safety or on safety-related
systems mus tbe carried out at a qual-
ified specialist workshop 3
Thered brake system indic ator
lamp lights upand you canhear
an audib lewarning. You are driving with the parking brake on. 6
Release the parking brake
( = page 38).
6 Observe the additional messages in
the display ( =page 280). 209en_d2.boo Seite
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313
Practical advice
Tr ou bleshooting Problem Possible cause Suggested solutions
3
The red brake system indicator
lamp lights up while you are driv-
ing. There is ins
ufficient brake fluid in the fluid
reservoir. 6
Do not drive any further and contact a
qualified specia list worksho pwhich
has the necessary specialist know-
ledge and tools to carry out the work
requi red. Mercedes-Benz recom-
mends that you use a Mercedes-Benz
Service Centre for this purpose. In
particular, work relevant to safety or
on safety-related systems must be
carried out at a qualified specialist
workshop.
Under nocircums tances should you
top up the brake fluid. This will not
solve the pro blem.
G Otherwise, there is a risk ofan
accident.
6 Observe the additional messages in
the display (=
page 280). 209en_d2.boo Seite
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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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320 Practical advice
Trouble
shoo ting Seat belt
Problem Possible caus
e/conse quence Suggested solutions
The seat bel
textender does not sli deback. The seat belt extender is defective. 6
Push the seat belt extender back with
force.
6 Have the seat belt extender checked
at a qualified specialist workshop, e.g.
a Mercedes-Benz Serv ice Centre.
If you are unable to push the seat be lt
extender back:
6 Do not drive any further and inform a
qualified spe cialist workshop, e.g. a
Mercedes-B enz Service Centre.
G There is otherwise a risk of injur y. 209en_d2.boo Seite
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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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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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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
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