2017 MERCEDES-BENZ S-CLASS CABRIOLET change wheel

R
befor eembarkin gonalonger journey
R if operating condition schange, e.g. off-
ro ad driving #
Adjus tthe tyr epressur easn ecessar y. Driving wi
thtyr ep ressur ethat is tooh igh or too
lo wc an:
R Sho rten thes ervice lif eofthe tyres.
R Cause increased tyr edamage.
R Adverselya ffect driving characteristic sand
th us drivin gsafet y, e.g. due toaquaplaning. &
WARNING Risk of accident from repea‐
te dt yrep ressur edrop
If th et yrep ressur edrops repeatedl y,the
wheel, valveort yrem aybe damaged.
Insuf ficient tyr epressur ecan cause thet yres
to bur st. #
Inspect thet yref or signs of fore ign
objects. #
Chec kwhether thew heel or valveh as a
leak. #
Ifyo ua reunable torectify thed amage,
conta ctaq ualified specialis tworks hop. Information on
ther ecommende dtyrep ressure
fo rt he vehicle's factor y-fitted tyres can be found
on thet yrep ressur etable on thei nside of the
fuel filler flap (→ page388).
Use asuitable pressur egaug etoc heckthe tyre
pressure. The outer appearance of atyred oes
no tp ermit an yreliable conclusion about thet yre
pressure.
Ve hicles with atyrep ressur emonitoring sys‐
te m: youc an also checkt he tyr epressur eusing
th eo n-boar dcomputer.
Onl ycorrect tyr epressures whe nthe tyres are
cold. Conditions forc old tyres:
R The vehicle has been par kedw itht he tyres
out of direct sunlight foratl east thre eh ours.
R The vehicle has tr avelled less than 1.6k m.
Ar ise in thet yret emperatur eof10°Ci ncreases
th et yrep ressur ebya pprox.10k Pa(0.1b ar/ 1.
5p si).Tak et his int oaccount when checking
th et yrep ressur eofw armt yres. Ty
re pressur etable The tyr
epressure table is on thei nside of the
fuel filler flap. The tyr
epressur etable sho ws therecommended
tyr ep ressur efor all tyres appr ovedfor this vehi‐ 386
Wheels and tyres

cle
.The recommended tyr epressures apply for
cold tyres under various operating conditions,
i.e. loading and/or speed of thev ehicle.
If one or mor etyres izes precede atyrep res‐
sure, thet yrep ressur einformation following is
onl yvalid fort hose tyr esizes.
If th ep receding tyr esizes ar ecomplemented by
the + symbol, thet yrep ressur einformation
fo llowing sho wsalternativ etyrep ressures.
Thes etyrep ressures ma yimp rove your vehicle's
ri de comfort. Fuel consum ption ma ythen
increase slightly.
The load conditions "partially laden" and "fully
laden" ar edefined in thet able ford iffe re nt num‐
be rs of passenger sand amounts of luggage. The
actual number of seats ma ydiffe rf romt his.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e385) Ty
re pressur emonitoring sy stem Fu
nction of thet yrep ress urem onitoring sys‐
tem
The sy stem checks thet yrep ressur eand the
tyr etemperatur eofthe tyres fitted tothev ehicle
by means of atyrep ressu resensor.
Ne wt yrep ressur esensors, e.g. in winter tyres,
ar ea utomaticall ytaught-in thef irst tim etheya re
driven.
If th er eisas ubstantia lpressur elossorift he
tyr etemperatur eisexcessive, awarning will be
given:
R Viad ispla ymessages (→ page446).
R Viat he h warning lam pinthe instrument
clus ter( →pag e477).
It is thed rive r's responsibility tosetthe tyre
pressur etotherecommended cold tyr epressure
suitable fort he operating situation. Se tthe tyre
pressur efor cold tyres using atyrep ressu re
ga uge. No tethat thec orrect tyr epressur efor
th ec urrent operating situatio nmustfirst be
ta ught-in tothet yrep ressur emonitoring sys‐
te m. In mos
tcases, thet yrep ressur emonitoring sys‐
te mw illa utom atically updat ethe ne wreference
va lues af tery ou ha vechanged thet yrep ressure.
Yo uc an,h ow eve r,also updat ethe refere nce val‐
ues byrestartin gthe tyr epressur emonitoring
sy stem manuall y(→pag e390).
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectly.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tyre.
R Ifth er eisam alfunction caused byano ther
ra dio signal source.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e385)
Checking thet yrep ress urew itht he tyre
pressur emonitoring sy stem
Requ irement:
R The ignition is switched on. Wheels and tyres
387

On-boar
dcomputer:
, Service .
Tyres
One of thef ollowing displa ysappears:
R Cur rent tyr epressur eofe achw heel:
R Tyre pressures will be displayed after afew
minutes of driving
R Tyre pressure monito ractive:t heteach-in
process of thes ystem is no tyet comple te.
The tyr epressures ar ealready being moni‐
to re d. #
Compar ethe tyr epressur ewitht he recom‐
mended tyr epressur efor thec urrent operat‐
ing condition (→ page 386). Obse rvet he
no tesont yret emperatur e(→pag e385).
% The values displa yedint he multifunction dis‐
pla ym aydeviat efromt hose of thet yrep res‐
sur egaug east heyr efer tosea le vel.At high
altitudes, thet yrep ressur evalues indicated
by pressur egauges ar ehigher than those
shown bytheo n-boar dcomputer .Inthis
case, do no treduce thet yrep ressure. Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e385)
Rest arting thet yrep ress urem onitoring sys‐
tem
Requ irements:
R The recommended tyr epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft hefour wheel s(→ pag e385).
Re star tt he tyr epressur emonitoring sy stem in
th ef ollowing situations:
R The tyr epressur ehaschanged.
R The wheels or tyres ha vebeen changed or
newl yfitted.
On-boar dcompu ter:
, Service .
Tyres #
Swipe down wardsont heTouc hC ontrol on
th el eft-hand side of thes teering wheel.
The Use curren tpressures as new reference
values messag eisshown in them ultifunction
displa y. #
Press atoconfir mtherestart.
The Run Flat Indicator restarted messageis
shown in them ultifunction displa y.
Cur rent wa rning messages ar edeleteda nd
the h yello ww arning lam pgoes out.
Af tery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tyr epres‐
su resa rewithin thes pecified range. The cur‐
re nt tyr epressures ar ethen accep tedasr ef‐
erence values and monitored.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e385) 388
Wheels and tyres

Brazil
Es
te equipament ooper aemc aráter secundário,
is to é, não temd ireit oàp roteção contr ainter fer‐
ência prejudicial ,mesmo de es tações do mesmo
tipo ,en ão pod ecausar inter ferê ncia asiste mas
operando em caráter primário. Vi
etnam Ty
re pressur elossw arnin gsystem Fu
nction of thet yrep ress urel ossw arning
sy stem
The tyr epressur eloss warning sy stem warnst he
driver bymeans of displa ymessa gesw hen there
is as eve retyr ep ressur eloss.
Af terac hang eint yrep ressure, awheel rotation
or aw heel change, thet yrep ressur eloss warn‐
ing sy stem has tobe taught-in again bybeing
re star ted( → pag e394). The tyr
epressur eloss warning sy stem does not
re place then eed toregularly checkt he tyre
pressures.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectly.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tyre.
R Ifth ep ressur eloss in se veraltyres decrea‐
ses at thes ame rate.
The sy stem has alimited or dela yedf unction:
R When ther oad sur face is poo r,e.g. sno wor
gr ave l.
R When drivin gwiths nowc hains.
R When driving in averys porty driving style
wit hh igh cornering speeds or sudden accel‐
eration.
R When drivin gwithah igh load. Wheels and tyres
391

Be sur
etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e385)
R Displa ymessages about thet yres
(→ pag e446)
Re starting thet yrep ress urel ossw arning
sy stem
Re quirement:
R The recommended tyr epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft hefour wheel s(→pag e385).
On-boar dcompu ter:
, Service .
Tyres
The Run Flat Indicato ractiveRestart wit hOK
messag eisshown in them ultifunction displa y.
Re star tt he tyr epressur eloss warning sy stem in
th ef ollowing situations:
R The tyr epressur ehaschanged.
R The wheels or tyres ha vebeen changed or
newl yfitted. #
Press atobegin ther estart.
The Tyre pressure no wOK?messag eis
shown in them ultifunction displa y. #
Select Yes. #
Press atoconfir mtherestart.
The Run Flat Indicator restarted messageis
shown in them ultifunction displa y.
Af tery ou ha vedriven foraf ewminutes, the
tyr ep ressur eloss warning sy stem monitors
th es ettyr ep ressures of all thet yres.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e385) Wheel
change Note
sons electing, fittin gand replacing
tyres Mercedes
-AMG vehicles: observet he no tesin
th eS upplement .Otherwise, youm ayfailto rec‐
ognise dangers. Yo
uc an ask fori nformation rega rding permit ted
wheel/tyr ecombinations at aMercedes-Benz
Servic eCentre. &
WARNING Risk of accident du etoincor‐
re ct dimensions of wheel sand tyres
If wheel sand tyres of thew rong size are
used, thew heel brakes or wheel suspension
components ma ybecome damaged. #
Alw aysr eplace wheels and tyres with
th ose that fulfil thes pecification softhe
original part.
When replacing wheels, mak esuretof itthe
cor rect:
R Designation
R Type
When replacing tyres, mak esuretof itthe
cor rect:
R Designation
R Manufactu rer
R Type 392
Wheels and tyres

*
NO
TEDama getoelectronic component
parts from theu se of tyre-fitting tools Ve
hicles with atyrep ressur emonitoring
sy stem: electronic component parts are
located in thew heel. Tyre-fitting tools should
no tbea pplied in thea reaoft hevalve.
The tools could damag ethe electronic com‐
ponent parts. #
Have thet yres changed at aqualified
specialis tworks hop onl y. *
NO
TEDama getosummer tyres at low
ambient temp eratures Using summer tyres at
very lowa mbient
te mp eratures can cause crac kstoform,
th ereb ydamaging thet yres permanentl y.#
Attemp eratures belo w7°Cuse M+S-
tyres. Ac
cessor yparts that ar enotappr ovedfor your
ve hicle byMercedes-Benzora renotb eing used
cor rectl yc an impair theo perating saf ety. Befor
epurch asing and using non-appr oved
accesso ries, visit aqualified specialis tworks hop
and enquir eabout:
R Suitability
R Legal stipulations
R Factor yrecommendations &
WARNING Risk of accident wi thhigh
per form anc etyres
The special tyr etread in combinatio nwith
th eo ptimised tyr ecompound, means that
th er isk of skidding or hydroplaning on wet
ro ads is inc reased.
In addition ,the tyr egripisg reatl yr educed at
al ow outside temp eratur eand tyr erunning
te mp erature. #
Switc hont he ESP ®
and adap tyour
driving stylea ccordingly. #
Use M+S tyres at outside temp eratures
of less than 50 °F. Obse
rvet he following when selecting, fitting and
re placing tyres:
R Countr y-specific requirements fort yre
appro valthat define aspecific tyr etype for
yo ur vehicle.
Fu rthermore, theu se of cer tain tyr etypes in
cer tain regions and areas of operation can
be highl ybeneficial.
R Onlyuse tyres and wheels of thes ame type
(summer tyres, winter tyres, MOEx tended
tyres) and thes ame make.
R Onlyfit wheel softhe same size on one axle
(lef tand right).
It is onl ypermissible tofitad iffe re nt wheel
size in thee vent of aflat tyr einorder to
driv etot he specialis tworks hop.
R Onlyfit ty resoft he cor rect size ont othe
wheels.
R Do no tmakea nymodifications totheb rake
sy stem, thew heels or thet yres.
The use of shims or brak edusts hields is not
permitted and ma yinva lidat ethe vehicle's
ge neral operating pe rmit. 394
Wheels and tyres

R
Vehicles with atyrep ressur emonitoring
sy stem: allfitted wheels mu stbe equipped
wit hfunctioning sensor sfor thet yrep res‐
sur em onitoring sy stem.
R Attemp eratures belo w7°C, use winter tyres
or all-season tyres mar kedM +Sfora ll
wheels.
Wi nter tyres bearing thei snowflake
symbol in addition totheM +S marking pro‐
vide theb estp ossible grip in wintr yroad
conditions.
R ForM +S tyres, only use tyres wit hthe same
tread.
R Obser vethem aximum permissible speed for
th eM +S tyres fitted.
If th is is belo wthe vehicle's maximum speed,
th is mus tbeindicated in an appropriat elabel
in thed rive r's field of vision.
R Runinn ewtyres at moderat espeed sfor the
fi rs t1 00 km.
R Replace thet yres af ters ixyearsatt he latest,
re ga rdless of wear. R
When replacing with tyres that do not
fe atur erun-flat characteristics: vehicles
wit hM OExtended tyres ar enotequipped
wit haT IREFIT kit at thef actor y.Equi pthe
ve hicle wit haTIREFIT kit af terr eplacing with
tyres that do no tfeatur erun- flat characteris‐
tics, e.g .winter tyres.
Fo rm orei nformation on wheels and tyres, con‐
ta ct aq ualified specialis tworks hop.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e385)
R Tyre pressur etable (→ page386) Note
soni nterchanging wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent whee lsizes
Inter changing thef ront and rear wheels if the
wheels or tyres ha vediffere nt dimensions
ma yseve rely impair thed riving characteris‐
tics. The disk brakes or wheel suspension compo‐
nents ma yalso be damaged. #
Rotate front and rear wheels on lyifthe
wheels and tyres ar eofthe same
dimensions. Inter
changing thef ront and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nde rthe general operating pe rmit in valid.
The wear pat tern sont he front and rear wheels
dif fer:
R Front wheels wear mor eonthe shoulder of
th et yre
R Rear wheels wear mor einthe centre ofthe
tyre
On vehicles wit hthe same front and rear wheel
size, youc an inter chang ethe wheels every
5,000 to10,000 km, dependin gonthewear.
Ensur ethe direction of rotatio nism aintained for
th ew heels.
It is imperativ etoobservethei nstruction sand
saf etyn otes on "Wheel change" when doin gso. Wheels and tyres
395

Note
sons toring wheels R
Afterr emoving wheels, stor et hem in acool,
dr ya nd preferably dar kplace.
R Protect thet yres from conta ct withoil,
grease or fuel. Overvie
wofthe tyre-chang etool kit Apar
tfroms ome countr y-specific variants, vehi‐
cles ar enotequipped wit hatyre-chang etool kit.
Fo rm orei nformation on which tyre-changing
to ols ar erequired and appr ovedfor per form ing a
wheel chang eony ourvehicle, consult aqualified
specialis tworks hop.
Re quired tyre-chang etools ma yinclude, for
ex ample:
R jack
R chock
R wheel spanner
R centri ng pin
% The jac kweighs appr oximatel y3.4kg.
The maximum load capacity of thej ackc an
be found on thes tickera ffixed tothej ack. The jac
kismaintenance-free. If ther eisa
malfunction, please conta ctaq ualified spe‐
cialis tworks hop.
The tyre-chang etool kit is located under the
boo tfloor. 1
Ratchet
2 centring pin
3 Jack ing support
4 Jack
5 Wheel spanner
6 Folding chock Setting up
thef olding wheel chock Prepa
ring thev ehicle foraw heelchange Re
quirements:
R The requ ired tyre-chang etool kit is available.
If yo ur vehicle is no tequipped wit hthe tyre-
ch ang etool kit, consult aqualified specialist
wo rkshop tofind ou tabout suitable tools. 396
Wheels and tyres