Engine MERCEDES-BENZ CL COUPE 2006 Workshop 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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388 Operation
Wi
nter driving
Ha ve your veh icle"winter pr oofed" ata
qualified specialist worksho p,e.g. a
Mercedes -Ben zS ervice Centre, atthe on-
set of wint er.This service include s th efo l-
lo wing:
! engine oi lcha nge,if the curre nt oi lha s
not been approved forwinter use
! thean tifreez e/ anti-corro sion concen-
tra tion wi llbe checked
! wash erflui dc oncentrate wil lbe added
to the winds cree nan dhea dlamp clean-
ing syst em*fluid
! the battery will bechecked
! aty re change
Us ewint ertyres attem peratu re sb elow
+7 °C and on snow or ice- cove red roads.
Only then can the maximu meffect of ABS
and ESP®
be ensured inwint ertoo.
Use winter tyr esof the sa me makeand
tr ead onallwheels tomain tain safe ha n-
dling characteris tics. Alw
aysobs erve thema ximu m permitt ed
speed specified forth ewint ertyres you
have fitted .If you fit winter tyres which
ha ve alo we rma ximu m pe rmitte d speed
th an that oftheveh icle,affix an approp ri-
ate warning sign showi ngthema ximum
permitt edspeed in the driver’s field of vi-
si on. Thisca nbe obt aine da ta qualified
specialist worksho p,e.g. at a
Merced es-Benz Service Cen tre.
In such circums tanc es,yo us hould also re-
str ict the maxim um speedof the vehicle to
the maximu mp ermi tted spee dfo r the wi n-
ter tyres using perm anent Speedtron ic1
(= page 311).
If you have fitted wi nter tyres:
6 Resta rtthetyr epressure monitor*
( = page 385). Wint
erdriving Win
tertyres G
Risk of accident You mu
strepla cewinter tyre swith atread
depth ofless than 4mm immedia tely.Th ey
ar eno lo nger suitab leforus ein winter. 1O
nly ava ilable for certain cou ntries G
Risk of accident If
you fit the spar ewheel* whe ndr ivin gwith
wi nter tyre s,plea se be aware that driving
stab ility will beimpa ired owing tounsta ble
corn ering charact eristics caused bythe
different ty res. You shou ldtherefo reada pt
your driving style an d drive ca refully.
Have the sparewheel* repl aced atthe near-
es tqu alified specialist workshopwhich
ha st he necessarys pecialis tkn ow ledg eand
to ols tocarry out the workrequire d.
Me rced es-Benz reco mmend sth at youu se
aM erce de s-Ben zSe rvice Centre forthis
purpo se.In pa rtic ular ,work relevant tosafe-
ty or on safety-relate dsyst emsmu stbe car-
ried outat aq ualifi ed spec iali stwo rksh op. 216_R
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389
Operation
Winter dr iving
Fo r sa fety reas ons ,Me rced es-B enz rec om-
me nds th atyouonl yuse snow cha ins
wh ich ha ve bee nspe cial ly approv edfor
Me rced es-Ben zve hicles.
If yo uar einte nding to fit sn owchains,
pl ea se bear thefo llowing points in min d:
! Snow chains cannot befitted on all
wh eel/tyre comb inat ions.
! Snow chains mu st not be fitted to
em ergen cyspare wheels ,e.g.
"M inispa re".
! Snow chains mu st onl ybe fitted to both
re ar wh eels. Comp lywith th ema nufac-
turer’s in stallatio ninst ructio ns.
! If snowchains are fit tedto th e fron twheels,
th er eis ar isk of the cha inscoming into conta ct
wi th th ebod ywork and axle comp onentswh en
th ev ehicle is inmoti on. Thi sma ydam aget he
ty re or theve hicl e.
Th e veh iclemayonly be driven at raised ve-
hicle rideheight ifsn ow chains arefitted
( = page 313).
You shoul dnot excee dth e maximum per-
mi ssible speed of50km /h. As soon as
yo uare back on snow-f reer oads, re move
the snow chains as soon aspossible. i
Youma ywi sh todeac tivateESP ®
wh en pull-
ing away with snow chai nsfitt ed (
=page 49).
The wheels are then able tospin under control
and genera tean increased propulsiv eforce
(cut ting ef fect).
Dri veparti cularly carefull yon slip pery
ro ads inwint er.Av oid sudd enaccelera-
tion, stee ring manoe uvresan dbr ak ing.
If the vehicle thre atens to skid or cannot
be stopped when moving at alow speed:
6 Movethe tra nsmi ssio n to position N.
6 Try to bring the vehicle un der co ntrol
us ing co rrective ste ering. Sn
ow chains Win
terdr iving G
Risk ofaccide nt Do no
tch an ge dow nfor additiona lengine
br ak ingon aslip per yro ad sur face . Th edr ive
wheels could lo setheirgr ip. 216_R
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390 Operation
Driving tips
Yo
u wil lfi nd ba sicd riving tipsin the "Driv-
ing and parki ng" se ction (
=pag e256). On
long and steep downh illgradients ,es-
pecially if theve hicl eis lade n,youmu st se-
lect shift ran ge1,2 or 3in good time.
i Thisalso applies if you have activ ated cruise
co ntrol, Distroni c*orDistronic Plus* .
Th iswill us eth e brak ing effect ofthe
engine, so lessbrakingwill be required to
main tain the speed. Thisrelie vesth eload
on th ebrake systemandprevents the
brake sfrom ove rhea ting and we aring too
quickly. If yo une ed addit iona lb raking, de-
press the brake pedalrep eatedl yrather
tha ncontinu ously.
Do not park the vehicl e im mediat ely after
the brakes ha vebeen subjected to ahe avy
lo ad . Driv eon fora sh ortwh ileinste ad.Th e
airflo w willco olthe brakes more qui ckly. Th
ef ollo wing mayoccur if yo uhave driven
fo ra long time in heavy rain witho utbra k-
ing:
! Thebrakes respond with adel ay.
! You have to depress the brake ped al
mor efirm ly.
Yo um ust there fore ma inta in ag reater dis-
tance from the vehi cle in front. Driving ti
ps Coa
stingwi th the engine switched
of f G
Risk of acc ident Th
erei s no power assistance for th est ee r-
in gan d the serviceb rake when the engine is
not running.
St ee ring and br akingr equire s signi fica ntly
mo reeffo rt an dyou could lose contro lof the
ve hicle and cau sean acc iden t as are su lt.
Do not switch off the engine while the veh i-
cl ei sin mo tion. Braking
G
Risk of accident Do not chang
edown forad ditiona leng ine
br akin gon a slip pery road su rface. This
co uld ca use the drive wheel stol osetheir
gri pan dth e ve hiclec ouldskid. G
Risk of accident Nev
erdepress the br akepe dalcont inuous ly
while thev ehicle is in motion,e. g. by apply-
in g const antslight pedal pressu re.
Th isca uses the bra kesyst emtooverheat,
in cr ea sesth ebra king dist ance and can lead
to th ebr ak es failin g com pletely. G
Risk of accident Make su
rethat yo udo not endanger other
ro ad users when you ap ply the brak es. 216_R
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391
Operation
Driving tips
Yo ush ould brak efirm lyafter driving on a
wet or snow-cove redroad surfa ce before
st opping th eengine, espec iallyifroad salts
ha ve been spread .Th iswillhe at thebra ke
di sc s, thereb ydr ying them morequickl y
an d prot ecting them againstcorros ion.
You shou ldoccas ional lytest the effective-
ne ss oftheb rake sifyou usually onlybrake
with moderation. Todo so, brake th eveh i-
cl e from high spee d. Thiswill impro vethe
grip of the brakes.
Fo r sa fety reas ons ,Me rced es-B enz rec om-
men dsthat you on lyhave brak epads /
li nings fitte dthat have be enapproved for
Me rced es-Ben zv ehicles. Brake pads /
li nings wh ich have not be en approved for
Me rced es-Benz cou ldaffect you rvehicle ’s
op erating safety. AMG
vehicles
Th ehigh -per forman cebrake syst em isde-
signe dfo rhi gh loads .Th isma ylea d to
noi sewhen brak ing. Thisis depe ndent on:
! speed
! brak ing po wer
! ambient cond ition s,e.g. tem perature
an dhumi dity Th
ewea ran d tea ron individual brake sys-
te m comp one nts, e.g. brake pads/lini ng s
or disc s,de pends on:
! the in dividual drivi ng style
! theop erating co nditio ns
No gene rally appli cablemi leag eca nthe re-
fo re be specif ied. Wear is acco rdingly high
if an ag gressi vedriving sty leisem ployed.
Wh ile the vehicle canbe fully controlled
at ace rtain spee d on dry roads, youmu st
reduce yo urspeed onwetor icy ro adsto
achie vethesa me road safety.
If ice ha sfo rm ed onthe ro adsurface
(e.g. from fogor freezing rain ),alight film
of water wil lrapidly develop on the ice
wh en youbra ke,w hich consider ab lyre-
du cest yre gri p.Dri vepartic ular ly ca ref ully
in such weathe rcond itions. If
wat erhas acc umulatedon a road surface
to ace rtai ndep th,the re isad angerof aq-
uaplani ngoccu rring even if youar e driving
sl owl yan d yo urtyres have suffic ie nt tre ad
depth.
Fo r th isreas on, do not dri vein tyr eruts
an d brake caref ully.
If you have to drive throu ghwater, please
be ar inmi nd that wh en theve hicle is
ra ised ,the still water dept hmu stnot ex-
ceed 25cm, andt hat youmu stdrive no
fast erthan walki ngpace.
! Notethat vehicles in fron tor oncom ing
ve hicles create waves. This maym eanth at the
maximum permit tedwa ter dept his exceeded.
You mustobserve thes e notes ,othe rwise dam-
age mayoc curto the engi ne,electrics or trans-
mi ssion. Tyre grip Drivi
ngonwetro ads Driving on
flooded roads 216_R
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411
Practical advice
Displa ymes sages Pa
rking Guidan ce cu
rrently unava ilab le
See Owner's Manu al Pa
rki ng Guidan ce*is un availa ble if
Par k As sist*is sw itche doff. 6
Park ingGu idan ceisavailable agai nand
the disp laymessag e disappears if
! the dirt lo osens while th evehicle is inmo-
tion
! the syst emdetects tha tthe sensors are
fully available aga in
If the displ ay messag edoes not dis appe ar of
its own acco rd:
6 Clea nth ebumper s.
6 Restar t the engine.
6 Wait unt ilth eba ttery voltage has returned
to norm al. Pa
rking Guidan ce dis
abled Ve
hicle swith Pa rking Guidan ce*: the
ve hicl e is parke d. The display
messag ed isappears autom atical-
ly. PR
E-SA FE in
op erative
See Owner's Manu al Im
port antfu nctions of PRE-SAFE®
ha ve
fa iled. All othe ro ccu pant safety sys-
te ms ,e. g. airbags, remain available. 6
Visit a qualified specialist worksho p. Ra
dar sensor deac-
tiv ated See
Owner's Manu al Th
e radar sensor system*of the ve hi-
cle has been switch ed offon theon-
bo ard co mputer andy ou have tried to
act ivat ePar k As sistorDistro nic Pl us*. 6
Check wheth eritis possibl eto activa te
the radar sensor system*(
=page 528).
6 Switch on the radar sensor system* on
the on-boa rdcom puter (
= page 287). Di
splay messag es Possible
caus e/ conseq ue nce Possibl
eso lution 216_R
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413
Practical advice
Displa ymes sages Crui
secontr oland
Speed tronic
in op erative Speedt
ronican dcr uise contro lare
fau lty. 6
Have Spe edtronic and cru isecontrol
ch ecked ata qu alified specia list wor k-
sh op . Service X
due Se
rvice X mustbe carried out. 6
Have the se rvice dis play ed carried outat
a qu alified specia list wor ksho p. Service X ov
erdue
by ... days
by ... km Se
rvice X shou ldbe carried outin .. .
da ys or ... km. 6
Have the se rvice dis play ed carried outat
a qu alified specia list wor ksho p. Crui
secontr ol -
- - km /h Yo
ua ttemp ted to activ ate cru ise co n-
tr ol at a speed below 30 km/h. 6
Drive faster than 30 km /h andstor ethe
speed. ESP
®
is de activated. 6
Activa te ESP ®
. Tran
smissi onposition P, RorNhas
been selected. 6
Movethetran smi ssio nse lect or lever
to D. The
vehicle issecure dwith th e el ectric
park ing br ake. 6
Releas eth e elect ric park ing brak e. The syst
emhas overhea ted. 6
Waitun tilth esyst em has co oled down. App
lybrake
to leave position P Yo
uat te mp ted to move the tran sm is-
si on select orleve r to D, R orNwithout
depr essingthebra kepedal. 6
Depress the brake pedal. To sta
rtthe engine, shift to eith
erP or N Yo
uw ish to sta rtthe engine and the
tr an sm issio nselec tor le ver is not inpo-
si tion Por N. 6
Move the tra nsmi ssio nsele ctor le ver to P
or N. Di
splay messag es Possible
caus e/ conseq ue nce Possibl
eso lution 216_R
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417
Practical advice
Displa ymes sages in
op era tive
Se eOwner's Manual G
Risk of accide nt
ESP ®
an d there fore also PRE-SAFE ®
ha ve been deactivated due to a mal-
funct ion. The vwarning lamp al so
li ghts upin th einstru me nt clu ster.
BAS Pl us*and th ePRE-SAFE ®
Br ak e*
may al sohave failed. 6
Drive on carefully.
6 Visit aqualified specialist worksho p im me-
diat ely. in
op era tive
Se eOwner's Manual G
Risk of accide nt
ESP ®
an d there fore also PRE-SAFE ®
ha ve been deactivated due to a mal-
funct ion. The vand— warning
lamps also li ghtupin the instrument
cluster.
Br ak e boost isimpaired andits fu nction
is ensur edby a replacem ent el ectrical
function as long as the engine isrun-
ning . The brake syste mis st illav ailable
as usual. When brak ing, youwi ll fe el
th eb rake pedal pulsate.
BAS Pl us*and th ePRE-SAFE ®
Br ak e*
may al sohave failed. 6
Drive on carefully.
6 Visit aqualified specialist worksho p im me-
diat ely. Di
sp lay sy mbol Di
spla yme ssages Poss
ible cause /consequ ence Pos
sibl eso lution 216_R
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419
Practical advice
Displa ymes sages cannot be
activa ted
Se eOwner's Manual Th
e driver’s door is opened and the
seat beltis not inse rted inthebu ckle. 6
Fastenth ed rive r’s seat belt. The
engine isnot running. 6
Star t the engine. Th
e batter yvoltage is insuf ficie nt. 6
Switch offal lco nsum ers that arenot
re qu ired.
6 Wai tun til the battery vo ltag e has return ed
to nor mal. Th
e syste mhasove rhea ted. 6
Wai tunti lth e syst emhas cooled down. The bonnet
isopen. 6
Clos ethe bonne t. Tran
smissi onposition Rha sbe en
select edandt he boot lid is open. 6
Clos ethe boot lid. in
op era tive HOLD cannot
beactivated due to a
mal func tion. 6
Have HOL Dch ecked ata qualified special-
is twor ksho p. Off HO
LD has been de activated be cause
th eve hicle is sk iddi ng. 6
Reactiva te HOLD later. Re
place aircl ea ner
elem ent Th
e engi neairfilt er mu st be repla ced. 6
Have theair filt erreplaced at a qualified
specialist worksho p. Di
sp lay sy mbol Di
spla yme ssages Poss
ible cause /consequ ence Pos
sibl eso lution 216_R
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420 Practical advice
Displ
aymessa ges Th
e al ternator is faulty or there is ama l-
fu nction in the vehicl eelectric alcirc uit.
Th ebattery is not being cha rged. 6
Stop the vehi cle pa ying attenti onto road
and tr affic condi tions, but do not switch off
th e en gine.
6 Open thebo nne t.
6 Carr yout avis ual check to seewh ether the
V-b elthas torn.
If the V-belt ha storn:
6 Switchof fthe en gine.
! Donotdrive any fur ther .The engine could ot her-
wise overheat.
6 Consult aqualified specialist worksho p.
If the V-belt is so und:
6 Do not sw itch of fthe engi ne.
6 Visi ta qu alified special istwor ksho p. G
Risk of acc ident
Yo uar e driving with the bonnet ope n. 6
Stop imme diat ely in accordan cewith the
traf fic conditi ons.
6 Clos e the bonne t (= page 376). Th
eboot lid is op en. 6
Clos ethe boot lid. Di
sp laysymb ol Di
sp lay messages Po
ssi blecaus e/cons equence Po
ssib leso lution 216_R
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