2006 MERCEDES-BENZ CL COUPE Owners Manual

380 Operation
Engine
compart ment
Us e:
! awas herflui d ad ditive, e.g. MB Sum-
me rwash, fo r tempera turesab ove
fre ezingp oint, to prevent smearing
! awash erflui d addit ive, e.g. MBWinter-
wa sh, wh en there is a risk offro st,to
pr even t thewa sher flui dfrom free zing
on the wind screen
6 Mixt he was herflui d in aco ntaine r be-
fo rehand. Match the mixture ratio to
the outside te mperatur e(
=page 524). Opening
thewasher fluid reserv oir
6 Pull cap 1upwa rdsby the tab. Clo
sing the washe rfluid reserv oir
6 Press cap 1onto th efiller neck until it
en gages.
! Onlyus e was her fluid whic his sui table
for plastic lense s.Unsui tablewasher fluid could
damag ethe plas tic lense sof thehe adlamps. G
Risk of fire Wa
sher flui dconcentrate is hi ghlyflam ma-
ble. Fire, naked fl amesand smok ing ar e
therefore pro hibite dwhen youar eha nd ling
wa sher fluid conc entrate. 216_R
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381
Operation
Ty res andwh eels
! For safe tyreasons, Mercedes-Benz re com-
me ndsth at you only use tyres which have been
approved by Merced es-Benz specifi cally for your
ve hicle. These tyres are spec ially adapt edto
su it driving characteris tics ,co mf ort ,wear and
fo rus e wit hthe control sys tems, suchasAB Sor
ESP ®
.If yo u use ot herty res, Mercedes -Benz
ca nnot ac cept any respon sibility for damage
wh ichm ay oc cur. Information abou ttyr es can be
ob tained fro many Merced es-Benz Service
Cent re.
If you us etyres othe rth an thos ew hich have
been tested and recom mended for
Me rcedes-Benz, charac teristics suc has han-
dling, noise emissio ns,fuel co nsumption and
we arcould be adv erse ly aff ected. In addition,
wh en driving with a load, di mensiona lva ria tions
and different tyre deformation charac teristics
co uld ca uset he ty resto ma kecont act with
th eb odywork and axle component s.This could
ca use dam ageto th ety res or the veh icle.
! Retreaded tyres arene ithe rte sted nor rec-
om mended for Mercede s-Be nz,s ince previ ous
damage ca nnot alway sbe de tected on re treaded
ty res .As a result, Mercedes-Benz cannot guar-
an teevehi cle sa fety if retrea de dt yres arefitte d. Mo
difica tion work on the brake system
an d wheels isnot permitted, nor istheu se
of spac erplate sor brake dust shield s.Any
su ch mo difications wi ll invalidate the ve hi-
cl e’ s ge neral operating permit.
Fu rth ernote s:
! Only fit tyr esand wheels of the sa me
type andma ke.
! Only fit tyr esthat aredesig nedfo r the
whe elsto wh ich the yar efitted.
! Atleas tevery 14 days,yo ush ou ld
che ck:
! thetyr es and wheels for da mage
Da mag edwheels ca ncause pres-
su re loss in the tyres andlead to
fu rthe r da mag e. !
thet read depth on all tyr es
No te that if the tread depth is less
tha n3 mm ,gr ip on wet roa dswill be
se rious lyim paired anda tyre may
we aruneven ly. Turn thefron t
wh eels to full lock ifne cessary to
en able yo uto check theinne r edge
of the front tyre smore easily.You
must also alwa yscheck theinsi de
of the tyre tre adon the rea rwhe els.
! Run in new tyres atmod erates peeds
for thefirs t100 km.
! Check the tyre pressure regularly and
adjust itas nece ssary.
! Fit new tyres on the front wh eelsfirst if
tyres of the same size are requi redon
the front andrear wheel s.
! Rep lace the tyr esafter six ye arsat the
latest ,reg ardles so fw ear.This also ap-
plies to the spare wheel*.
! Adju stthe ty re pre ssurewh en theve hi-
cle islade n–see thetyre pre ssure ta-
ble inthef uelfi ller flap. Ty
resand wheels Points to
reme mber G
Risk ofaccide nt On
lyuse wheel s ofthedimen sions st ated in
th eveh icle re gist rati ondocumen ts.The re is
a ri skofdama geto the wheel brak es or sus-
pe nsion comp onents if yo uhave other tyres
fitted and the cleara nce of the wheels is no
longer guarant ee d. 216_
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382 Operation
Tyres
andwh eels
! Store tyres in a cool, dry place, preferably in
th e dark .Pr otec tth ety res fro moil, grease, pet-
rol and diesel fuel.
Do not clea nyo ur wheels with acidic wheel
cl eaners sin ce thesecould co rrode theh eads
of wh eel bolts.
Ty res with aspe cified direc tion of rotati on
ha ve additional bene fits, e.g. ifaq uaplan-
in go ccurs. Th eseadvantage scan onl ybe
enjoy edifthe tyres arefitted correspond-
ing to th edirec tion of rotation.
An arrow on th esidewall of the tyre indi-
ca tes its co rre ctdire ction of rot ation.
i Youm ay fi ta spare tyre* agains tth e direc-
ti on of rotation.
The MOExtend ed emer gencyru nn ing sys-
te me nabl esyou to conti nuedriving the ve-
hicl eeven when allair is lost from one or
mo re tyres.
You may only use theMO Extended run-flat
syste minconju nction with the tyr epres-
sure loss warning syste morthe tyrepres-
sure monitor*. Yo
uwi llfind note son drivin g with aflat
tyr ein the Pra ctical advice section
( = page 492).
Onlycorrect tyre pres sures whe nthe tyres
are cold.
Th ep ress ureo f wa rmtyre ssh ou ldonl ybe
co rrected if it is to olow fort he curre nt
op erating co nd itio ns .Warm tyres always
have highe r pressu res tha ncol dones.
You wil lfi nd a table of tyre pressure sfo r
dif ferent operati ngcond ition son thein-
side ofyour vehicl e’sfu el filler flap.
i Tyre pressure values giv enfor low loads are
mi nim um values whic hoff eryou good ride com-
fort charact eristic s.
You can, ho weve r, also usethe values forhi gh er
loads. Th ese are permissible and will not ad-
ver sely affec tth e running of the veh icle.Howev-
er , ride comfort will be impaired tosome degree.
Als ocheck thety re pressure of the spare
wheel*. Di
rect ion of rot ation MO
Exte nded run-flat syst em* Ty
re tread G
Risk of accident Plea
se keep in mind that:
! tyre grip decreases rapidly on wet roads
when the tread depth is lessthan 3mm.
You shou ldthus replace tyre sthat have
insuff icient trea d.
! Winter tyre ssh ou ldbe replac ed when
th etrea d dept his 4 mm or less because
ot he rwis e they no lo nger pro vide ade-
qua tegrip.
! tyre sca nbe subjec tto different level s of
we ar. You shouldthus regu larlych eck
th etread dept h andth e condi tion of the
trea dac ross theen tire width of alltyre s.
If ne cessary, turn thesteering wheel so
th at youc an seethe ty retrea dmore
ea sily.
Yo ucoul dothe rwise los econtrol of theve hi-
cl ea nd cause an accide ntdueto th ere-
duced gr ipof thetyre s on thero ad. Ty
re pres su res G
Risk of accident If
th e pr essur ein atyre drops repea tedly, in-
sp ect the tyre for forei gn objects andch eck
whether the ty reor valve are leaking. 216_R
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383
Operation
Ty res andwh eels
Ty re pressure chan ges by approxim ately
0. 1b ar for eve ry10 °C chang ein ambient
te mp eratur e.
If yo umeasure thetyre pr essureindo ors
wh ere the te mperature differ sf rom the
outside te mperature, yo u will have to cor-
re ct the meas ured value acco rdingly.
Wh en the vehicle isdri ven, the tyre te m-
pe ratur e,an dw ith it the tyr epressure ,will
in cr ea se depe nding on the road speed and
the load on the tyres. Wh
ile the vehicle is inmo tion the tyre pres-
su re loss wa rningsyst emmonitors th etyre
pressure se t by evaluat ing the spe edof the
indi vidual wheels. Thesyst em can there-
fo re reco gnise any signific ant loss oftyre
pressure inawheel.
If th ewh eelspee dcha nges due todeclin-
in gt yrepressure ,a co rre spon ding warning
me ssag ewi ll appear in th emulti-f un ction
display.
Operat iono fthe tyre pres sure loss warn-
ing syst em is limitedor delayed if:
! snow chains are fi tted on your vehic le
! ther ear ewint er ro adcond itio ns
! youar e drivin gonaloos esurface
(e .g.s and or gravel)
! youha ve adop tedave ry sporty driving
st yle (driv ingo nabend athigh speed
or driving wi thahigh rate ofacce lera-
tion)
! youar e drivin gaheavy lo ad Restartin
gthe ty repres sure loss wa
rning syst em
Resta rtthe tyre pressure loss wa rning sys-
te m if:
! you have chan ged the tyre pre ssure
! youha ve chan gedth ewh eels ortyres
! you have fitted new wh eelsor tyres G
Risk of accide nt Ch
eckty re pressur ere gu larly, at least every
two week s.Ifth etyre pressu reis inc orrect,
you rveh icle ’s handl ing charact eristics cou ld
be alte re d or thet yrecou ld ex plode. Ty
re pr essur e lo sswa rning syst em G
Risk of acc ident Th
et yrep ressure loss warnin g systemdoes
not wa rnyou of an incorrec tly set tyr epr es-
su re.The tableinthe fu elfiller flap will help
you dec ide wh ether thety re pres su res
sh ould be co rrec ted.
Th et yrep ressure loss warnin g systemdoes
no trepl ace the need toregul arly ch eck the
ty re pr essure, sin ceaun ifor m pressu re loss
in all fourtyres cannot be identi fied bythe
ty re pres sure loss wa rningsyst em.
Th etyre pr essure loss warning syst emis not
abl eto warn you of asudde nloss ofpre s-
sure, e.g. following penetration bya foreign
object.
If this occu rs, bring th e ve hicle to ahalt by
br ak ingc arefully. Do not make any sudd en
steering movemen ts whendoing this. 216_R
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384 Operation
Tyres
andwh eels
6 Before restar ting, use the tablein the
fu el filler flap toensu retha tthe tyre
pressure is set corre ctly for the opera t-
in gc ircu ms tances in allfour tyr es.
6 Obs erve th enote sin the Tyre pres-
su res (
=page 382) secti on.
i Youw ill find a menu over view on
(= page 275 ).
6 Make sure th ekey is in po sition 2in the
ig ni tion lock .
6 Press (or& toselect the
"Se rvice" menu.
6 Press $or% toselect
"Ty r.pr ess .".
6 Press #.
The following messag e isdisplayed:
"R un Flat Indicator active
Restart possible with OK" .Conf
irmi ng a re start
6 Press # .
The followi ngmessa geappe ars in the
mult i-fu nc tion disp lay:
"T yre pressur enow OK?".
6 Press $ or% to select "Yes".
6 Press # .
The followi ngmessa geappe ars in the
mult i-fu nc tion display: "Run Flat Ind ica-
tor restarted" .
After atea ch-inp hase, the tyre pres-
sure loss warning syste mwillmo nitor
the tyres forp ressure loss.
Ca ncel ling a restart
6 Press theL button.
or
If th efol lowing messag eappear sin the
mult i-fu nc tion display: "Tyre pr essure now
OK?"
6 Press $ or% to select "No".
6 Press # . Th
ety re pres sure mo nitor only fu nctio ns if
th eco rre ctwh eelelec troni csunits ar efit-
te dt oallwh eels .The se mo nitor the pres-
su re in all four tyres which youse twh en
you started the tyr epre ssuremo nitor. The
tyr epressure monitor warns you if the
pre ssuredrops inone or more of the ty res.
i Youwillfind a menu overv iew on
( = page 275).
6 Make sure the key is inposition 2in
the ignition lock.
6 Press ( or& to sele ctthe
"Se rvice" menu.
6 Press $ or% to sele ct
"Tyr.pr ess." .
6 Press # .
i Youcannot read thecu rrent tyre pressures
un tilth eve hicle is in motion. The following mes-
sage is display edinstea d ifthe vehicl e is st ation-
ary: "Tyre pressures displayed aft erdriv ing a few
mi nu tes". G
Risk of acc ident Th
etyr epressure loss warning syste mcan
only gi vereli able warning sifyou hav eset
the correc ttyre pre ssure. Ifan inco rrect tyre
pr es su re isset, th ese incorr ect values will
be mo nitore d. Checkin
gthe ty repres sure
elec tron icall y* 216_R
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385
Operation
Ty res andwh eels
i Thetyre pressure values indi ca ted in theon-
board computermaydiffe r from those measured
at a filling station with a press urega uge. The on-
board computer will generally giv eamo re ac cu-
rat eva lue. i
The operat ion of thety re pressure monitor
ca nsu ffer int erferenc eif radio tran sm itting
eq uipm ent,e. g. wi reles she adphones or two-w ay
radios ,is be ing ope rated in or near theve hicl e.
i Ifyo uco rrec tth ety re pressure or change
th ew heels, this is usually det ecteda utomatical-
ly by thety re press uremo nitor. After a few
minute sof dr iving,thewa rning th resh olds for
th ep ressure los swarning are adapt edtothe
new tyre pressure. Atyre pressure warning is
th en clea red au tomatically. Res
tartin gthe ty repres sure monitor
Al lexis ting wa rning messag esare clea red
an d the warning lamp goesout when you
restart the tyre pressure monitor. The cur-
rent tyre pressure sse t then be come the
refere nceva lues used bythe monito ring
syst em.
Yo uma yrestart th etyre pressure monitor
in thef ollo wing situati ons:
! After th etyr epressure ha sbee nmo di-
fied
! After awheel or tyre cha nge
i Youw ill find a menuoverview on
(= page 275). 6
Make sure the key is in po sition 2in
the ignition lock .
6 Press (or& toselect the
"Se rvice" menu.
6 Press $or% toselect
"Ty r.pr ess .".
6 Press #.
Th ec urrent pressure in ea chindividual
tyre isdisp layed, orthefo llowing
message appears: "Tyre pres suresd is-
played after driving a few minutes" .
6 Press %.
Th efo llowing message appe ars in the
mu lti-fu nc tio ndisplay: "Use current
press urevalu esas new reference val-
ues" .
6 Press #.
Th efo llowing message appe ars in the
mu lti-fu nc tio ndisplay: "Tyre pressure
monitor restarte d".
Afte rafew minu tesof driving, the cu r-
rent tyre pressure swill beadopted as
new re fere nc evalues and will be moni-
tor ed. G
Risk of accide nt The
tyre pres su re mo nito r does notwarn
you of an incorrectly set tyre pressure. The
ta ble in the fuel fillerflap will help you de-
cid e whet her thetyre pressu res sho uld be
cor rected.
The tyre pres sure monitor isno t able to
warn you of asudde nloss ofpressure, e.g.
fo llowi ngpenetratio nby afo reig nobject .If
th is occ urs, bring the ve hiclet oaha ltby
br ak ing ca refully. Do notma keany sudd en
st ee ring movemen ts whendoing th is.
P54.32-3382-31 216_R
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386 Operation
Tyres
andwh eels
Cance llingares tart
6 Press theL button.
or 6 Press $toexit themenugrap hic.
Oth ermes sages in the multi-f unction display
If
th efol lowi ng message appears in the
mult i-fu nc tion disp lay: "Rectif yty re pres-
sure( s)":
6 Check th epressures ofallfo ur tyres
an d co rrect them if neces sary.
i Ifth ewh eels on the veh iclewere inte r-
changed, the press ures may be show nin
th ew rong positions for a short time. This will be
correc ted af ter driving a few mi nu tesand the
press ures will be shown in theco rrec tpositions. 216_R
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387
Operation
Ty res andwh eels
Th ewh eels canbe inte rcha ng ed every
5, 000 to10
,00 0k mdepending on the de-
gree of tyre wea r,provided th attheveh icle
wh eelsareof thesa me size .Do not re-
verse the direction of tyre rotation.
Th e wea rpatter ns on the front andr ear
wh eels dif fer de pendi ngon th eoperating
condi tion s.Interchange the wh eelsbefore
too de finite awe arpattern ha sfo rm ed
on the tyr es.The front tyres typ ical ly wear
more on the oute rsh ou lder and th ere ar
tyres in the centr e.
Clea nthe contac t surfaces ofthew heel
an d the brake dis cthoroughly every time
aw heelisinter chan ged . Check the tyre
pr essure and reactivate th etyr epressure
monitor *if nece ssary. !
Elec tronic comp onent swill be locat edinthe
wheel if your ve hicle is fitt ed wit haty re pressure
monit or*.
Tyre fitt ing tools should notbe applied in the
ar ea of the va lve, as thisco uld dam agethe elec-
tr onic comp onent s.
Al ways have thety res replaced at a qualified
spe cialist workshop, e. g.a Mercede s-Be nz
Ser vice Centre. Int
erch angi ngthe wheels G
Risk of accide nt Only
interc hang eth efront andrear wheels if
th ey areof the same size .Th eha nd ling char-
ac teri stics of the vehic lema yotherwis ebe
af fe cted andy ou could endange ryo urse lfor
others. G
Risk ofaccide nt Ha
ve the tighten ing torq ueofthew heel
bo lts ch ecked afterevery wheel chang eat a
quali fied spe cial ist work shopwhich has the
necessa ryspe cialist know ledge and tools to
ca rry outth ew orkrequire d.Me rcede s-Be nz
re co mme ndsthat youuseaMerce de s-Be nz
Se rvic eCe ntre for this purpose .In particu-
lar, wor krele vant tosafety or on safety-re-
late d sys tems must be ca rried out at a
qu alified specialist workshop. G
Risk of acc ident The wheels cou
ldwork loose if the wheel
bo ltsa re not tightene dto a tightening
to rq ue of150 Nm.
Fo r saf etyre asons, Merced es-Ben z recom-
me ndsth at you on lyus ewheel bolts ofthe
co rrec tsize, andwhic h hav ebe en ap proved
for Merced es-Ben zveh icle s. 216_R
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