MERCEDES-BENZ CLK COUPE 2004 Owners Manual

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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311
Practical advice
Tr ou bleshooting Problem Possible cause Suggested solutions
-
The yellow ABS indicator lamp
lights upwhile the engine isrun-
ning. ABS is deactiv
ated due to a malfunction. This
means that ESP and BAS are also deactivated
(s ee the messages in the multi-function dis-
play). The brake system is sti llavailable and
works as normal without ABS. 6
Continue driving, but with even great-
er care.
6 Visit a qualified specialist workshop
immediately whi chhas the necessary
specialist knowledge and tools to car-
ry out the work required.
Mercedes-Benz recommends that you
us ea Mercedes-Benz Servi ceCentre
for this purpose. In particular, work
relevant to safety or on safety-related
systems must be carr ied out at a qual-
ified spe cialist workshop.
G Otherwise, there is a risk ofan
accident. ABS
has been dea ctivated due to under volt-
age. It is possib lethat the battery isnot being
charg ed. 6
Switch off any consumers that are not
require d.
ABS becomes available again once
the battery vo ltage increases. l
Thered dista nce war ning lamp
lights up while you are driving. The distance to the vehicle in front is too
sh
ort for the speed selected. 6
Increase the distance. 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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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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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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