engine MERCEDES-BENZ CL COUPE 2006 Manual PDF

454 Practical advice
Troubleshooting Fuel
andfu el tank Pr
ob lem Po
ssi blecaus e/cons equence Suggest
edsolu tions Fuel
is leaking from theve hicle. The fuel li
neisrupture dor thefuel tank is
da ma ged. 6
Imme diat ely tur nthe key to position 0in
the ig nition lock and rem ovei t.
6 Do not restar tth eengine und erany cir-
cu ms tanc es.
The leak ing fuel creates arisko f fire and
expl osion.
6 Con sulta qualified specialist worksho p. The fuel
filler flap ca nnotbeopened. The
fuel fillerflap isreleased ,bu tthe
op ening mecha nism isjamme d. 6
Cons ulta qualified specialist worksho p. 216_R
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455
Practical advice
Tr oubleshooting Eng
ine Pro
blem Poss
ible cause /consequ ence Sugges
tedsoluti ons Th
een gine wi llnot start. You can hear the
sta rter motor working. !
The remay be a malfunctio nin the en-
gi ne elec tron ics.
! The remay bea malfun ctionin the fuel
supp ly. 6
Turn thekey to po sition 0in the ignition
lock be fore the next star ting attem pt.
6 Resta rttheengine ( =page 256). When
do ing so ,reme mber tha tex ce ssively
long andfreque ntatte mp ts to st artt he
eng ine will drain th ebatter y.
If th e en gine does not sta rtafter several at-
tempt s:
6 Consulta qua lifi ed spe cial ist wor ksho p. 216_R
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456 Practical advice
Troubleshooting Pr
ob lem Po
ssi blecaus e/cons equence Suggest
edsolu tions The
engine wi llnot start .You cannot hear
the star ter motor wo rking. Th
eon-board vol tage istoo low beca use
the star ter battery istoo we akor dis-
char ged. 6
Jum p-star tt he vehicle ( =page 497).
If th eengine doe snot start despite at-
tem ptsto ju mp-start it:
6 Cons ulta qualified specialist worksho p. Th
esta rter mo torhas overhea ted. 6
Allow the star te rmo tor to coo ldown for
appro ximat ely tw omi nu tes.
6 Rest art the engine.
If th een gine still do es not star t:
6 Cons ulta qualified specialist worksho p. Th
e engi neisno tru nn ingsm oot hly an dis
mis firi ng. Th
eengi neelectro nics orame cha nical
com ponent of the engine control unithave
been da maged. 6
Onlydepress th eac ce lerat orpedal gen-
tly.
6 Have the cause rectified immediately at
a qu alified speciali stwor ksho p.
Oth erwi se ,un bur ntfuel may getinto the
ca talytic converter andda ma geit. 216_R
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457
Practical advice
Tr oubleshooting Pr
ob lem Poss
ible cause /consequ ence Sugges
tedsoluti ons Th
een gine cannot beswitche doff. 6
Take th efu se extra ctor and the fuse
ch artfr om the vehi cle tool kit
( = page 401).
6 Open the fus eboxintheen gine com-
partm ent (
= page 503).
6 Pullout the two fuses marke d"MOTOR
NO TAU S"on thef use cha rtusing the
fu se extra ctor.
The engine switches off.
To resta rtthe engine:
6 Reinser tthe fuses. A coo
lant temp eratu reof ove r+120 °Cis
displ ayed. The coolant
leve lis too low. The coo lant is
too hot andt he engine isno long er being
co oled sufficie ntly. 6
Stop as soonaspos sibl ea nd al low the
eng ine an d the coola ntto coo ldown.
6 Check the coolan t le vel.Ob serve the
warning notes asyou do so and top up
the coola ntifne ces sary (
=page 379). 216_R
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458 Practical advice
Troubleshooting Autom
atic tr ansm ission Pr
ob lem Po
ssi blecaus e/cons equence Suggest
edsolu tions Pr
ob lems with gear shifts. Th
etra nsmi ssio nis losing oi l. 6
Have the tra nsmi ssion ch ecked im medi-
ate lyat aquali fied spe cial ist wor ksho p. Th
eac ce ler ation abi lity is deter iorating.
The transmi ssion no longer chang esgear. The
transmissio nis in emer gency mode.
Yo uca n onl yselect 2ndandre ve rse
gears. 6
Stop the vehicle.
6 Movethe tr ansmi ssio nse lect or lever
to P.
6 Turn th ekey to position 0in the ign ition
lo ck.
6 Wait atleast 10 seco nds be fore res tart-
ing the engine.
6 Movethet rans mi ssio nsele ctor leve r to
D or R.
The tra nsmi ssio nsh ifts into 2ndgear if
the select orlev eris at D,an di nto re-
ve rse gear if th eselec torle ve r is atR.
6 Have the tra nsmi ssion ch ecked im medi-
ate lyat aquali fied spe cial ist wor ksho p. 216_R
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483
Practical advice
Flat tyre
Yo ur vehicl em aybe equipped with:
! aTIREFIT kit
! a"M inis pare " em erge ncy sp arewh eel*
! asp are whe el*
! the MO Extend ed run-fla tsyst em*
6 Stop yo urvehic leas far away as possi-
ble from movi ngtraffic and on a fi rm,
non-s lipa nd even surface.
6 Switchon theha zard warning lamp s.
6 Move the tra nsmi ssion sele ctor lever
to P.
6 Get allocc upant sout of the vehi cle if
nec essa ry,ensuring that they ar enot
en dang ered asthey do so.
6 Switchof fthe engine and remove the
key from the ig nitio nlock. Vehi
cles with KEYL ESSGO*:
6 Switchof fthe en gine.
6 Open thedriver’s door.
The statu sof the on-board electroni cs
co rresponds to key pos ition 0.
6 Plac e the warningt riangle
( = page 400)orhazard wa rningl am ps
at asuit able dist an ce behind thev ehi-
cle. Ob serve legal re quiremen ts. Fl
at tyre Pr
ep arin gthe vehic le G
Risk of inj ury The
jack isde sign ed onlyto rais e thevehicle
fo ra sh ort while when aw heelis cha nged.
If you intend to wor kun derth eve hic le,
place thev ehicle on stan ds.
Ma kesure that the jack isplac ed on afirm,
non-s lipa nd level surface .Do notus ewo od-
en blocks or sim ilar objects as a jack sup-
por tplate ,ot he rwis eth e ja ckmay notbe
ab leto achiev eitsl oa d-be aringc apacity if it
is not atits fullheight.
Do not start the engine at any time whil ethe
wheel isbe ing chan ged.
Do not lie under the vehi cle when it is being
su pported by the jack.If you donot raise the
ve hicleas described, itcou ldslip offth ejack
(e .g. if th eengi neisstar ted or adooror the
boot lid is op ene dor close d). 216_
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494 Practical advice
Batteries
!Switc hof ft he engine and the internal func-
ti on sof the vehicle net work ( =page 495) before
dis connecting or re moving thete rm inal clamps
of the ba ttery. You may ot herwise des troy elec-
tr on iccomponent ssu ch asthe al ternator.
Ha ve thest art er ba tter yc hecked and, if neces-
sary ,replaced at a qualified spe cialist work shop,
e.g. a Mercedes-Benz Servi ceCentre ,every two
years or 20,000 km.
! Donot connect cons umersdi re ctl yto the
start erbat tery.Th iswo uld dis charge thest art er
bat tery.
i Only replac eadefective bat tery with a bat-
te ry recom mended by Mercedes-Benz. Th econ-
su me rba tte ry is fitte d in theboot in a way
de signe dto affo rd it maximum protection
agains tdamage in the ev entof a collision. i
Remove thek ey when you have parked the
ve hicle and do not require any elec trical con-
sum ers. The vehicle th en req uires only a minimal
amount of energy and theco nsumer bat tery is
co nserve d.
St arter battery
1 Negative terminal
2 Positive terminal
i Ifth eco nsu mer ba ttery is disc harged, it will
be nece ssaryto unloc kth eve hicleu sing the
emergenc ykey elemen t.Ho wev er, it is still pos-
sibl eto star tth ev ehicle be cause it has a sepa-
ra te start erbat tery. G
Risk of inj ury Me
rcedes -Ben zre co mmend sthat ,fo rsa fety
re asons, you only use batteries which have
bee nte sted andap proved for your vehicle
by Me rced es-Benz .Thes eba tterie spr ovide
in crea sedim pact prot ection topreve ntvehi-
cl eo ccupants from su ffer ing ac id bu rns
shou ldthe batter ybe damaged in the event
of an ac cide nt.
To prevent acidbur ns, obse rveth efoll owing
sa fety not es when handl ingb atteries:
! Donot lean ov erbatteries.
! Donotpl ace any me talob jec tson aba t-
te ry. You could othe rwis eca useashor t
ci rc uit an dthe battery’ shighly flamma-
ble ga smi xture could ign ite.
! Make su re thatyou do no tcreate elec-
tr ost atic ch arge, e.g. bywearings yn-
thetic cloth ingo r as are su ltof frict ion
on fabri cs.Yo ushou ldnot the refore pu ll
or slid eth ebattery over carpets or ot her
syn thetic ma terials. !
Neve r touchthe batter y first. Todis-
ch arge a po ssible elec trost atic charge,
step out ofthe vehicle first andt ouch
th e bodyw ork.
! Do no twipe th eba ttery using ac loth .
Th eb attery ma yexpl odeas aresultof
elec trostatic charge or throug hthe cre-
ation of spark s.
P54.10-2692-31216_R
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496 Practical advice
Batteries
i
Have the ba tter ies charged at a qualifi ed
speciali st workshop. Mercedes-Benz recom-
me nds that you use a Mercedes-Benz Servi ce
Ce ntre for this purpose .If yo u are charging the
bat teries yourself, observe the opera ting inst ruc-
ti ons for you rbatte ry charge r.
! Onlyus e ba tter y ch arge rs with ama ximum
vo ltage of 14.8 V. Sta
rter battery
6 Make sure that the battery charger is
swi tche doff and connec tit to the ter-
mi nals on the star ter battery .Observe
the note sin the oper ating inst ruc tions
fo r the battery charger wh endoing so.
6 Refitt he charged sta rterbatter yand
fo ld the bar do wn. 6
Fit the st arte r battery inthe engine
co mp artment.
6 Fold the retainer down.
! Makesure that the ba seplate and the ba t-
te ry sec uring rings are fit tedse cu rely.
! Alway sconnect the ba ttery in theord erde-
scribed below. Nev erswap thete rminal clam ps.
You may ot herwise dam ageth ev ehicle elec tron-
ics. Rec
onne ctingt he starter battery
6 Make sure that the consu mer batter yis
fi tted andc onnecte dco rrectly in the
boot.
6 Turn the key to position0 in theignition
lo ck andrem ove it.
6 Connect the pos itiv e ter minalcl amp
an dse cur ethe cov er.
6 Connect th ene gative termina lcl am p.
6 Fit the bre athe rhose.
! Makesure that a cellca p is fitte dbet ween
th e ba tter y and thebreat herh ose.
6 Switch ontheigni tion.
6 Startthe engine.
6 Check the vehicle func tio ns. G
Riskofacid bu rns There is a
risk of ac idbu rnsdu ring the
ch argin gp roce du re due to th ega sesw hich
es cap e from the battery. Do not leanover
th eba tter ywhen it isbe ing char ged. Fitting
thestarter battery Re
conn ecting the battery G
Risk of accident Do
not drive unle ssthec onsu merbatt eryis
fitted and conne cted correc tly.
Ha ve wo rkcarrie dout on the consu merbat-
tery at aqualifie dspecial istw orks hop, e.g. a
Me rced es-Ben zSe rvice Cen tre. 216_R
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497
Practical advice
Jum p-starting
If the starter battery is disc harged and the
ve hicle do es not star t, the engine can be
ju mp -starte dfrom another vehi cle using
ju mp leads. Obse rve the followi ngpoints:
! Conn ectthe jump lead dire ctly to the
te rmina lsh oe on the sta rter battery.
! Jump -starti ngmust onl ybe perform ed
wh en thee nginea nd cataly tic co nvert-
er ar eco ld.
! Do not star tt he engi neif the battery
has froze n.Thaw the battery out first.
! Jump -starti ngma yonlybe per form ed
fr om 12 Vbatter ies.
! Onlyuse jump leads which ar eprote ct-
ed against pol arity reversa lan d which
hav ea suff icientcros s-sect ion an din-
su lated termina lcla mp s.
i Jump leads which are protect edagainst
polar ity re ve rsal and furt her information about
ju mp-starting canbe ob tained from any
Me rcedes-Benz Service Centre ,fo rex ample.
! Avoid repea ted and lengt hystarting at-
temp ts.On lyperfor mjump -startin gon the ba t-
te ry in the engine comp artme nt. !
Never st artthev ehicle usingar apid batte ry
charge r.
6 Makesure tha t thetwo vehicle sdo not
tou ch.
6 Secure the vehicle usin gthe electric
pa rki ng brake andmo ve the trans mis-
si on select or lever to P.
6 Switchof fall electri calcons umers. 1
Negative termina lof own vehicle
2 Negative term inal of donor batt ery
3 Positive termina lof donor battery
4 Pos itiv et erminal of own vehicle
6 Run the other vehicl e’sen gine at idling
sp ee d.
6 Connect pos itiv e te rm inals 3and 4
of the two batter ieswith the jump lead .
Connect to batt ery4 ofyour own ve-
hicle firs t.
6 Connect on een d of the jump lead sto
ne gative terminal 2of the donor bat-
tery and th eoth erend 1toasuit able
ea rth po inton theve hicle. Ju
mp -sta rting Jum
p-st ar ting G
Risk ofacid bu rns Do
not lean over the battery wh ile th ee n-
gi ne is bei ngjum p-starte d. G
Risk of explos ion Avoid
crea ting sp arks. Keep naked flam es
away from theba tter y, and donot smo ke.
Co mp ly with saf etypr ec aution sand take
protec tive me asure swh en han dlingb atte r-
ies ( =page 493). P54.10-2705-31
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498 Practical advice
Ju
mp -sta rting
6 Getin to thevehicl ean ds tart the en-
gine withi n30 se conds.
If the star ting attempt fails:
6 Turn the key to pos itio n 0 in the ig-
nition lock.
6 Remove the key.
6 Start the oth ervehicl e’s engine and
le tit ru nfo r a few mi nu tes.
6 Reinsert the key into the ignition
loc kand star tyou rveh icle wit hin
30 seco ndsof sw itch ing onthei gn i-
tion.
6 When the en gine isrunn ing, sw itch on
so me elec tric al co nsumers, e. g.the
blower.
6 First dis conn ectth ejump le adsfrom
ea rth poi nt1 and negative terminal
2 , th enfrom pos itiv e termina ls3
and 4.
6 Have theba tte ry che cked at a qualified
sp eciali stwor ksho p,e.g. a
Mercedes -Ben zSe rvice Ce ntre. 216_R
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