2006 MERCEDES-BENZ CL COUPE Owners Manual

452 Practical advice
Troubleshooting Pr
ob lem Po
ssi blecaus e/cons equence Suggest
edsolu tions A warning tone
soun ds. A
messag eappear sin the mul ti-f unc tion
displ ay. 6
Observe the notes ( =page 405). Yo
uar e pulling away with the electric
parki ngbrake applied. 6
Releas eth e elect ric park ing brake
( = page 258). Yo
uha ve op ened the driver ’s do or andfo r-
gotten tosw itch of fthe lights. 6
Turn the light switc hto M or* . G
Risk of inj ury
Yo uor your front passen gerarenot we ar-
ing aseat belt. 6
Fast enyour seat belt ( =page 244). You have:
!
switchedof ft he engi ne
! opened thedri ver’s do or
! not moved the tr ansm issi on sele ctor
le ve rto P 6
Movethe tr ansmi ssio nse lect or lever
to P. 216_
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453
Practical advice
Tr oubleshooting Acci
dent Pro
blem Poss
ible cause /consequ ence Sugges
tedsoluti ons Fuel
isleak ing from theve hicl e. Th
efu el li neisruptured orthe fuel ta nkis
damag ed. 6
Imme diately turn th ekeyto position 0in
the ignition lock and re move it.
6 Do not resta rt the engine unde ran y ci r-
cums tance s.
Th elea king fue lcrea tesa risk offire and
expl osion.
6 Consulta qua lifi ed spe cial ist wor ksho p. Yo
ua reuna bleto determine the extent of
th eda ma ge. 6
Consulta qua lifi ed spe cial ist wor ksho p. No da
magecan be dete cted to:
! themajor assemblies
! the fuel system
! the engi nemo unti ngs 6
Start theengine as usual. 216_R
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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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459
Practical advice
Tr oubleshooting Headlamps and
turn si gnals Pro
blem Poss
ible cause /consequ ence Sugges
tedsoluti ons The
headl am psaremi sted up onthe in-
side. !
Air humi dity is ver yhi gh.
! The differen ceintemp eratu rebe-
twe enthe vehi cleand itss urroun dings
is ve ry hi gh. 6
Drive wi th the headlamps swit chedon.
The head lamps are demis tedaf te r a
sh ortwh ile. The turn
signa lsin th eexterior mirrors are
mi sted up onthe in side. !
Air humi dity is ver yhi gh.
! The differen ceintemp eratu rebe-
twe enthe vehi cleand itss urroun dings
is ve ry hi gh. 6
Wait ash ortw hile an d th ehea dlam ps
wil lbe dem isted. 216_R
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