warning MERCEDES-BENZ CLK COUPE 2004 Service Manual

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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308 Practical advice
Trouble
shoo ting Troublesh
ooting Indicator and warning lamps in
switches and buttons
Problem Possible cause Su
ggested solutions One or all of the indicator lamps on the
seat ventilation* switch are flashing. The
seat ventilation* has sw
itched itself off
prematurely. There is insuffi
cient voltage because too
many consumers, e.g .reading lamps and
interior lighting, are switched on. 6
Switch off consume rsthat are not re-
quired, e.g. reading lampsan dinterior
li ghti ng.
The seat ventilation* will automatically
switch back on as soon as there is suffi-
cient voltage again. One or both of the indicator lamps on the
seat heating* switch
are flashing. The
seat heating* has swit ched itself off pre-
maturely. There is insuff
icient voltage because too
many consumers, e.g. reading lamps and
interior lighting, are switched on. 6
Switch off consum ers that are not re-
quired, e.g. reading lampsan dinterior
li ghti ng.
The seat ventilation* will automatically
switch back on as soon as there is suffi-
cient voltage again. The indicator
lamp on the Frear win-
do wheating button is flashing. The rear
window heating has switched itself off
prematurely or cannot be sw itched on. There is insuff
icient voltage because too
many consumers, e.g. reading lamps and
interior lighting, are switched on. 6
Switch off consum ers that are not re-
quired, e.g. reading lampsan dinterior
li ghti ng.
The rear window heating will automati-
cally switch back on as soon as there is
sufficient voltage again. 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

310 Practical advice
Trouble
shoo ting Indicator and warning lamps in the
instru
ment cluster Problem Possible cause Suggested solutions
v
The yellow ESP warning lamp
lights up while the engine is run-
ning. ESP is deactivated. 6
Rea ctivat eES P ( =pag e71).
6 Adapt your driving style to suit the
current road and weather conditions.
G Otherwise, there is a risk of an
accident. v
The yellow ESP warning lamp
flashes while you are dri ving. ESP or traction control is active because at
least one
ofthe wheels has reached its tyre
grip limit. Distroni c* is deactivated. 6
Adapt your driving style to suit the
current road and weather conditions.
6 Only depress the accelerator pedal as
much as necessary when pulling
awa y.
6 Ease off on the accelerator pedal if
you are driving.
6 Do not deactiv ate ESP (exceptions:
= page 71).
G Otherwise, there is a risk of an
accident. 209en_d2.boo Seite
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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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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
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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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316 Practical advice
Trouble
shoo ting Problem Possible cause Suggested solutions
<
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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317
Practical advice
Tr ou bleshooting
1 Au
dibl ewarning signals Problem Possible caus
e/consequ ence Suggested sol
utions The anti-theft alarm system* is suddenly
trigger
ed. You have opened the vehicle using the
emergency key ele
ment while the anti-
theft alarm system* was still primed. Remote control:
6
Press the Œor‹ button.
or 6 Insert the key into the ignition lock.
The anti-thef talarm system* is deacti-
vated.
KEYLESS GO*:
6 Press the KEYLESS GO button* on the
selector lever. The KEYLESS GO key
must be inthe vehicle.
The anti-theft alarm syste mis deactivat-
ed. 209en_d2.boo Seite
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318 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequ ence Su
ggested solutions You hear a
warning signal. A message appears
inthe multi-function
display. 6
Comply with the notes on ( =page 281). You are driving with the parking brake ap-
pli
ed. 6
Release the parking brake ( =page 43). You have opened the drive
r's door and for-
go tten to switch off the lights. 6
Turn the light switch to 0. You have not fastened your seat bel
t. 6
Fasten your seat belt ( =page 32).
G There isothe rwise a risk of inju ry. Vehicles wit
hautom atic transmission*:
You have:
! switched off the engine
! opened the driver's door
! not moved the selector lever to P 6
Move the selector le ver to P. 209en_d2.boo Seite
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