2004 MERCEDES-BENZ CLK COUPE service

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correspond to German regulations.
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Disclaimer
The following version of the Owner‘s Manual describes all models, series and
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possible. Please note that your vehicle might not be equipped with all the
described functions. This also affects safety-relevant systems and functions.
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Thank
you for choosing
Mercedes-Benz.
Before you drive off, please familiarise
yourself with your Mercedes-Benz and
read th isOwner's Manual. This will help
you to obtain the maximum pleasure from
your vehicle and avoid endangering your-
se lfand others.
Items of optional equ ipment are marked
with an asterisk *. The equipment in your
ve hicle may vary, depending on the model,
country specifications and availabil ity.
Mercedes-Benz is constantly updating
its vehicles to the state of the art and
therefore reserves the right to introduce
changes in design, equipment and techni-
cal fea tures at any time. You cannot, therefor
e,base any claims on
the data, illustrations or des criptions in
this Owner's Manual.
The Owner's Manual, brief ins tructions, the
Se rvice Booklet and the Service Centres
booklet are an integral part of the vehicle.
You should always keep them in the vehi-
cle and pass them on to the new owner if
you sell the vehicle.
Please consult a Mercedes-Benz Service
Ce ntre if you have any questions.
The technica ldocumentation team at
DaimlerChrysler AG wishes you safe and
pleasant motoring. i
You can also experie nce importan tfunc-
tions of the CLK-Class inthe interactive Owner's
Manual onthe interne tat:
www.mercedes-benz.de /
betriebsanleitung /CLK-Class 209en_d2.boo Seite
1Diens tag, 25. Mai 2004 7:26 19

Contents
Operation
. . ..... . . . ..... . . . ...239
The first 1,500 km . . . . .. . . . . . . ...2 40
Refuelling . . . . . . . . . . . . . . . . . . . . .241
Eng ine co mpartment . . . ..... . . ...244
Tyres and wheels ... . . . .... . . . ...249
Driving tip s. ..... . . . ..... . . . ...255
Winter driving . . . . . . . .. . . . . . . ...2 57
Driving abr oad. . . . . . . . . . . . . . . ...2 59
Trailer towing . . . . . . . .. . . . . . . ...2 60
Service .. . . . .... . . . ..... . . . ...265
Care . . . . . . . .. . . . . . . .. . . . . . . ...2 67 Practical advice
... . . . .... . . . ...273
Where will I find. ..? . . . . ..... . . . ..274
Display messages .. . . . .... . . . ...280
Troubleshooting . . . . . .. . . . . . . ...3 08
Opening /closing in an
emergency . . ..... . . ..... . . . ...341
Cha nging the key batteries ... . . . ..354
Chan ging bulbs . . . . . . .. . . . . . . ...3 57
Rep lacing the wiper blades ... . . . ..362
Flat tyr e.. . . . .... . . . ..... . . . ...363
Battery ... . . . .... . . . ..... . . . ...375
Jump- star ting .. . . . . . . .. . . . . . . ...3 79
Towing ... . . . .... . . . ..... . . . ...381
Fuses .... . . . .... . . . ..... . . . ...385 Technical data
. . .. . . . . . . .. . . . ..3 89
Genuine Mercedes-Benz parts . . . . .390
Veh icle electronic s. . . . . . . .. . . . ..3 91
Vehicle identification plates . . . . . . .393
Eng ine. .. . . . . . . .. . . . . . . .. . . . ..3 94
Per form anc e. . . . . . . . . . . . .. . . . ..3 95
Tyres and wheels . .. . . . . . . .. . . . ..3 99
Vehicle dimensions . . . . ...... . ...404
Trailer tow hitc h. .. . . . . . . .. . . . ..4 05
Ve hic leweights . . . ..... . . ..... ..4 08
Se rvice products and capacities ....4 10
Frequencies for garage
door openers* . . . . . . . . . . . . . . . . . .417 Technical terms
. .. . . . . . . .. . . . ..4 19 Index
. . .. . . . . . . .. . . . . . . .. . . . ..4 29 209en_d2.boo Seite
3Diens tag, 25. Mai 2004 7:26 19

4 Protection
ofthe environment
Introduction Protection of the environment
H
Enviro nment alno te Dai
mlerChrysl er's declared policy is one of
comprehensive environmental protection.
The objectives are for the natural resources
whi chform the basis of our existen ceon this
pl anet to beused sparingly an din a manner
whi chtakes the requirements of both nature
an d hu manity in to account.
Yo ut oo can make a contribution towards
protecting the environment by operating
your vehicle in an environmentally-responsi-
ble manner.
Fue lconsumption and the rate of en gine,
tra nsmission, brake and tyre wear dep end
on the following:
! the operating conditions of your vehicle
! your driving style
Yo u can influence bothofthese condition s. Therefore, bear the following in
mind:
Operating conditions
! Avoid drivi ngshort dista nces as this
inc reases fuel consumption.
! Make sure that tyre pressures are
alway scorrect.
! Do not carry any unnecessary we ight.
! Keep an eyeonthe vehic le's fuel con-
sumption.
! Remove roof racks once you no longer
need them.
! A regularly serviced vehicle will contrib-
ute to environmental protection. You
should there fore adhere to th eservice
intervals.
! Always have service work carried out at
a qualified specialist workshop, e.g. at a
Mercedes-Benz Service Centre. Style of driving:
!
Do not depress the accelerator pedal
when starting the engine.
! Do not warm up the engine with the
vehicle st ationary.
! Drive carefu lly and maintain sufficient
dista nce from the vehic lein front.
! Avoid frequent ,powerful acce leratio n.
! Change gear ingood timeand use each
gear only up to 2
/ 3 of its maximum
engine speed.
! Switch off the engine in stationary traf-
fic.
Vehicle take-ba ck
Contact Mercedes-Benz on the following
phone numbers if you wish to return your
Me rcedes-Be nzto have it disp osed of in an
environmentally-responsible manner:
Germany: 0080 01777 7777
International: +4 96995307277 209en_d2.boo Seite
4Diens tag, 25. Mai 2004 7:26 19

5
Introduction
Op erating safety Operating safety
G
Risk of accident Work incorrectl
ycarrie dout on electronic
equipment an dits software could stop this
equipment working. Th eelectronic systems
are networked via int erfaces. Tampering
with these electronics systems could even
ca usema lfunctions in systems that have not
be en modif ied. Such malfunctions co uld
seriously impair the operating safety of your
vehicle, and thus your own safety.
Other work onormod ifications to the vehi-
cl e that have been carried out incorrectly
coul dalso jeopardise operating saf ety.
Som esafety syste ms onlyop era te when the
engine is running. For this reason, do not
switch off the engine while driving. G
Risk of accident Always
have maintenance work carried out
at a qualif ied specialist workshop which has
the necessary specia list knowledge and
tools to carry out the work re quired.
Merce des-Ben zrec ommends that you use a
Merc edes-Benz Service Centre for this pur-
pose.
In particular, work re levant to safety oron
safety-relat edsystems must be carried out
at a qualifie dsp ecialist workshop. G
Risk of accident A heavy impact against the vehicle under-
body, tyres or wheels could damage your
vehicl
eif, for example, the vehicle bottoms
out on rough terrain or is driven over an
ob stacle athig hspee d, for example. This
also applies to vehicles fitted with under-
body protection.
In this ca se,h aveyour ve hiclec hecked at a
qualified specialist workshop which has the
necessary specialist kn owledge and tools to
carry out the work requir ed. Mercedes-Benz
recommends that you use a Mercedes-Be nz
Servi ceCentre for this purpose.
In parti cular, work relevant to safety or on
safety-related systems must be carrie dou t
at a qualified specialist workshop. 209en_d2.boo Seite
5Diens tag, 25. Mai 2004 7:26 19

35
Getting started
Driving
6 Click bel ttongue 1into buckle 3.
6 Pull up on the shoulder belt to tighten
the belt across your lap if necessary.
!Do no tdepress the accelerator pedal when
st arting the engine.
i If you depress the brake pedal when starting
the engine, the pedal tra vel is longer than usual
and the pedal resistance is lo w.
If you depress the brake pedal after starting the
en gine, the pedal travel and resistance return to
normal. G
Riskof injury You could injure
yours elfin an accident if
you use seat belts which:
! aredamaged
! have been subjected to a loadin an acci-
dent
! have been modified
These seat belts can then nolong er function
or protect as intended.
Do not pass the seat belt strap over sharp
edges .It could tear.
Ma ke sure that th eseat belt isnot caught in
the door or seat adjustmen tmechanism. It
coul dbe damaged. G
Risk of injury Check the seat
belts regularly for damage.
You should never modify the seat belts your-
self. They might not function properly any
more.
Always have seat belts which are damaged
or have been subjected to a load in an
ac cident replaced ata qualifi edspecialist
workshop, which has the necessary special-
is t knowledge and tools to carry out the
required work. Mercede s-Benz recom mends
that you usea Merced es-Benz Service Cen-
tre for this purpose. In particular ,work rele-
vant to safety or on safety-related systems
must be carried out at a qualified specialist
workshop. Starting the engine
G
Risk of poisoning Never run
the engine wh enthe vehicle is in
an enclo sedsp ace. The exhaust fume scon-
tain poisonous carbon monoxide. Breathing
in exhaust fumes constitu tes a health haz-
ar dand could lead to unconscio usness and
death. 209en_d2.boo Seite
35Diens tag, 25 .Mai 2004 7:26 19

50 Safety
Occupant safety
Triggering ofbelt tensioners, belt force limiters and
airbags
In the event ofa collision, the sensor in the
airbag contro lunit evaluates important
physical data, such as duration, direction
and rate of veh icle deceleration or acceler-
ation. Based on this evaluation and pre-
emptively, the belt tensioners are the first
to be triggered by the airb agcontrol unit in
a collis ion with longi tudinal deceleration as
a function of the rate of vehicle decelera-
tion.
The front airbags are not triggered unless a
second activation threshold is reached, i.e.
an even higher rate of vehicle deceleration
in the longitudinal direction is exceeded. i
Thefront airbag on the front-passenger side
is only tri ggered if:
! the front-passenger seat oc cupancy sensor
has detected that the seat is occupied
! the PASSENGER AIRBAG OFF warning lamp
onthe centre console is not lit (
=page 64)
The belt tensioners are only activated if the seat
belt buck le tongue is correctl yengaged in the
se at belt buckle.
Criteria for the activation of belt
tensioners and airbags
To determine whether it is necessary to
activ ate a belt tensioner or airbag, the air-
bag control unit evaluates the duration and
direction of vehicle deceleration or accel-
eration during the initial phase of the colli-
sion.
The activation thresholds for the belt ten-
sioners and the airbags are variable and
are adapted in accordance with the rate of
ve hicle deceleration. This process ispre-
emptive in nature as airbag deployment
must take place during the impact and not
at the end of the collision. G
Risk of inju ry A malfu
nction has occurred if the 1
warning lamp:
! doesnot com eon when yousw itchon
th eignition
! does not go out after a few seconds
when the engine is running
! comes on again
Individ ual systems could beactivated inad-
verte ntly or may not be triggered at all in the
event of an accident with a high rate of vehi-
cle deceleration. Ifthis happens, have the
SRS system checked and repaired immedi-
ately at a qualified specialist wor kshop
wh ich has the necessary specialist know-
ledg eand tools to carry out the work
require d.
Mercedes-Benz recomme nds that youuse a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety
or on safety-re lated systems must be car-
ried out at a qualified specialist workshop. 209en_d2.boo Seite
50Diens tag, 25 .Mai 2004 7:26 19

53
Safety
Occupant safety Ai
rb ag syst em G
Risk ofinjury If the belt tensi
onersha ve bee ntriggered,
have them replaced ata qualified specialist
workshop which has th eneces sary special-
ist knowledge and tools to carry out the
work required. Mercedes -Benz recommends
that you use a Mercedes-Be nzService
Centre for this purpose.
In particular, work rele vant to safety or on
safe ty-re lated systems mustbe carried out
at a qualified spec ialist workshop.
Ob serve the safety regulations for th edis-
posal of belt tensioners. Any Mercedes-B enz
Service Centre can provide detail sof these
regulations. G
Risk of injury To reduce the risk of serious or fata
linjury in
an accident with a high rate of deceleration,
e.g. injuries caused by an airbaginflating
within milliseconds or in the ev ent of abrupt
br aking, please observe the following
inst ructions:
! Allve hicle occupants must select a seat
position in which it is possible to wear
the seat belt correctl ybut which is as far
back from the airba gas possible. The
position of the driver's seat must allow
the driver to drive th evehicle safely. The
driver's arms shou ldbe slightly bent
when holding the steering wheel. The
distance from th edriver's seat to the
pedals must be such that the dr iver can
fully depress the pedals.
! Vehicle occupants should wear their
seat belt correctly at all times and lean
back against the bac krest, which should
be positioned almost vertically. The
head restraint should support the back
of yo urhead at abo uteye level. !
Move the front- passenger seat as far to
the rear as possible, especially if a child
is secured in a restraint system installed
on this sea t.
! Never secure a rearward-facing child
restraint system on the front-pass enger
seat if the front-passenger front airbag
is not deactivate d.In the CLK-Class, the
fr ont-passen ger fro ntairbag is deacti-
vated if a child restraint system with
automatic child seat recognition is
secured to a front-passenger seat and
the AIRBAG OFF lamp is lit. If the auto-
matic child seat rec ognition is defective,
children must be secured in a child
restraint system ins talled on a suitable
re ar seat. If you are using aforward-f ac-
in g child seat on the fro nt-pa ssen ger
seat, the front-passenger seat must be
moved as far to the rear as possibl e. 209en_d2.boo Seite
53Diens tag, 25 .Mai 2004 7:26 19