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
E_2006-12a.book Seit e382 Montag, 2. Oktob er2006 12:06 12
437
Practical advice
Displa ymes sages To
p up with 1litre
of engine oi lwh en
next re fuelli ng CL 60
0onl y:
Th e engi ne oille ve lis toolow. 6
Chec kthe engine oi l level ( = page 377)
an d top upthe engine oil if nec essary.
6 Have the engine che cked for leaksifthe
en gine oi lne edstopping upmore often
th an usual. En
gin eoil le vel
Re duce oil le vel CL 60
0onl y:
You hav ead ded too muchengine oi l.
The reisarisk ofdamag ing th e en gine
or cata lytic converter. 6
Siph on of fen gine oi l to the specif ied le vel.
Ob serve the legal require ments. En
gin eoil le vel
cannot be
measured CL 60
0onl y:
The measur ing syst em is malfun ction-
ing. 6
Have thesyst emcheck edat a qualified
specialist worksho p. Check
engine oi l level
when next refuelling CL 50
0onl y:
Th e engine oil le velha s dropped to a
cr itical le velor thes ensoris mal func-
tioning. 6
Chec kthe engine oi l level ( = page 377)
an d top upthe engine oil if nec essary.
6 Have the engine che cked for leaksifthe
en gine oi lne edstopping upmore often
th an usual. * Ty
re pressure
Cauti on,ty re def ect On
e or more tyres islos ing air rapidly. 6
Stop the vehicle without makinganysud-
de nstee ring or br aking ma noe uvres. Pay
at tention to the tra ffic conditi ons.
6 Iden tifythe fault ytyr e.
6 Repair th etyre or cha nge the whe el
( = page 483). Di
sp lay sy mbol Di
spla yme ssages Poss
ible cause /consequ ence Pos
sibl eso lution P9
9.00 .2932 .00 P9
9.00 .2932 .00 216_R
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