2006 MERCEDES-BENZ CL COUPE Engine

378 Operation
Engine
compart ment
If the engine isrunni ng, the following me s-
sage willappea r:
"E ngine oil le velNo t with engine running"
6 Switchof fthe engi neandwa itfora p-
prox imate lyfive minutes be fore me as-
ur ing wh en the en gine isat nor mal
op erating te mperature.
i Press theL button on themu lti-func tion
steering wheel if you wis h tocancel the oil lev el
meas urem ent. To
pp ing up the engin eoil Ex
am ple (CL 500)
1 Filler neck cap
6 Unscrew cap1 on the filler neck anti-
clockwi seand remo ve.
6 Top upwith theamount of engine oi lre-
quired.
! Haveexces s oil siphoned off. There is a risk
of damag etoth e en gine orthe cata lytic conv ert-
er if there isexcess oil in the engine.
6 Screw cap 1onthefiller neck and
tig hten clockwise. Th
ereis no need foryo uto check the oil
level inthe autom atic tra nsmi ssion. In
the even t of oi llo ss orprobl em sw ith gear
shifts, have the autom atic tr ansmission
ch ecke dat a qualified specialist wor ksho p,
e. g. at aMercede s-Be nz Service Cen tre.
Th ereis no need foryo uto check the oil
le ve lin theABC system. Intheevent of
vi si bl eoi llos sor malfun ctionmessages in
th edi splay, hav eth eAB Cs ystem ch ecked
at aqu alified specialist workshop, e.g. at a
Merced es-Benz Service Cen tre. G
Risk of inj ury En
gine oi lan d some engi necomp onentscan
be come ve ryho t.To avoidth erisk ofbu rns,
only tou chthose co mponents described in
the Owner’s Ma nual an dob serve the rele-
va nt sa fety notes. P0
1.00-2871-31 H
Enviro nm ental note Wh
entop ping up theoil, take care not to
sp illany. Oil must not beallowe dto escape
into theso ilor waterway s.Yo uwoul dot he r-
wi se be dam aging th e envi ronment. Oil level in the
automatic
tran smission Oil level in the ABC
system 216_R
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379
Operation
En gine comp artm ent
Cool ant consists of water andan tifr eeze or
co rros ionin hi bitor .On lych eckth eco ola nt
le ve lwh en theve hicle ison ale ve lsu rfac e
an d th eengi nehas co oled down. Chec
king the coola ntlevel
Th e ex pansion tank islocated inthe engine
com partment on the right-hand sid ewhen
vi ew ed in the direc tion oftra vel.
Exampl e(CL 500)
1 Cap
2 Expans ion tank
6 Slowly turn cap 1through half a tu rn
an ti-clockwis eto allo w ex ce ss pres-
su re to es cape.
The reissufficien tcoo lant inexpan sion
tank 2ifthe coola ntrea ches the
mar ker bar inthe filler nec kwh en cold
or is appro ximat ely 1.5 cm higherwhen
warm.
6 Top up th eco olan tif necess ary. 6
Replace cap 1andt ighten itun til it
engages.
You will find fu rthe rin for ma tion about
cool antin the "Technica ldata "section
( = page 523).
Th ewas herflui d reservoir is loca ted in
the engine com partment on the le ft-h an d
side when vie wedin th edirection of trave l.
It su ppliest he wind screen washer syst em
and thehead lamp cleaning system.
1 Cap
6 Add washer flui d co ncentra teto the
wa sher fluid all ye arroun d. Coo
lant G
Risk of inju ry The
cooling system is pressu rised. Th ere-
fo re, only unscr ew the cap once the en gine
ha s coo led dow n.You could ot herwise be
sca lded byhotcool ant. P0
1.00-2804-31 Wi
ndsc reen washer syst emand
headlam pcleaning system
P01.-00-2705-31 216_R
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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
E_2006-12a.book Seit e388 Montag, 2. Oktob er2006 12:06 12

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
E_2006-12a.book Seit e389 Montag, 2. Oktob er2006 12:06 12

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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