2020 MERCEDES-BENZ S-CLASS flat tire

Ti
re pres sur e No
teso ntirep ressur e &
WARNIN GRisk ofacci dent duet oinsuf ‐
fi cie ntor excess ivet irep ress ure
Under inflate do roverinf late dt ires pose the
fo llo wing risk s:
R The tires ma yburst,e speciall yasthe
load andvehicle speed increase.
R The tires ma yw ear excessiv elya nd/or
une venly, whic hmaygrea tly impair tire
traction .
R The drivin gchar acteristics, aswellas
st eer ing and braking, maybeg reatl y
im pair ed. #
Com plywiththe recomme ndedtire
pr ess urea nd checkt he tirep ressur eof
all tires including thes par ew heel regu‐
lar ly:
R atleas tonce amonth
R when thel oad chang es R
beforee mbar kingo nal ongerjour ney
R ifoper ating conditions chang e,e.g .off-
ro ad drivin g #
Adjus tthe tirep ressur easneces sary. Ti
re pressur ewhichist oo high ortool ow can:
R Shor tent he ser vice lifeo fthe tires.
R Cause increased tired amag e.
R Adversely affect drivi ng charact eristic sa nd
th us drivin gsafet y, e.g. due tohydroplaning. &
WARNIN GRisk ofan acci dent duet o
insuf ficie nttirep ress ure
Ti re sw ithp ressur ethat istool ow can over‐
heat andburstas aresult.
In addition ,the ya lso sufferf rome xcessiv e
and/or irre gular wear,w hic hc an sign ifican tly
im pair theb raking proper tiesand theh an‐
dling charact eristic s. #
Avoid excessiv elylowt irep ressur esin
all thet ires, including thes par ew heel. Ti
re pressur ewhichist oo lowc ancause:
R Tire faults asaresult ofoverheating.
R Impair edhandling charact eristic s.
R Irre gular wear.
R Incr eased fuelconsum ption. &
WARNIN GRisk ofacci dent from exces‐
siv etirep ressur e
Ti re sw ithe xcessiv elyh igh pressur ecan
bur stbecause they ared amag edmor eeasil y
by highw ayfill, po th oles etc.
In addition, they also sufferf romi rregular
we ar,w hic hc an sign ifican tlyi mp air theb rak‐
ing proper tiesand theh andling charact eris‐
tic s. #
Avoid excessiv elyhigh tirep ressur esin
all thet ires, including thes par ew heel. Ti
re pressur ewhichist oo high cancause:
R Increased brakin gdista nce
R Impaired handl ing charact eristic s
R Irre gular wear 44
8
Wheels andtires

Fu
rther relat ed subje cts:
R Noteso ntirep ressur e(/pag e448)
R Tire pressur etable (/page449)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page454) Ti
re pres sur em onitoring system Fu
nction ofthet irep ressur emonitoring sys‐
te m &
DANG ER Risk ofacc iden tdue toinc or‐
re ct tirep ress ure
Eac htire, incl uding thes par etire( ifpr esent ),
should becheckeda tleas tonceam onth
when coldandthen inflated tothep ressur e
re comme ndedbythev ehicle manufacturer
(see theT irea nd Loadi ngInfo rm atio nplac‐
ar do nthe driver's side B‑pillar orthet ire
pr essur etableon thei nside ofthef uel filler
fl ap ofyour vehicle). Ifyo ur vehicle hastires
of ad iffe re nt size than thes ize indicat edon
th eT irea nd Loadi ngInfo rm atio nplacar dor th
et irep ressur etable, youm ustfind out the
cor rect tirep ress ures fort hese tires.
As anadded safetyf eatur e,your vehicle has
been equipped withat irep ressur emonit or‐
ing system (TPMS) that illumin ates alow tire
pr essur eind icat orlam pwhen oneo rm oreo f
yo ur tires ares ign ifican tlyu nderinf lated.
Ac cor ding ly,i ft he lowt irep ressur eindicat or
lam plights up,yous hould stop and check
yo ur tires assoo nasposs ible, andinflate
th em tothec orrect press ure. Driving on a
sig nifica ntly underinf late dt irec auses thet ire
to ove rheat and canlead totiref ailur e.
Und erinf lation alsoincreases fuelconsum p‐
tion ,reduces thel ifee xpe ctan cy ofthet ire
and mayadversely affect theh andling and
br aking charact eristic so fthe vehicle. Please
no te that theT PMS isno tas ubstitutef or
pr oper tirem aint enanc e,and itis thed rive r's
re sponsibili tyto maint aincorrect tirep res‐
su re,e veni fu nder inflation hasnotreac hed
th el eve ltot rigg er illum inati on oftheT PMS
lo wt irep ressur eindicat orlam p. Yo
ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atew hen
th es ystemi snotoper ating proper ly.T he
TPMS malfunct ionindicat oriscombin edwith
th el ow tirep ressur eindicat orlam p.When
th es ystemd etects amalfuncti on,thei ndica‐
to rlamp willflash fora pproxima tely am inut e
and then remain continuously illumina ted.
This sequence willcontinue upon subseq uent
ve hicle star t-ups aslon gasthe malfunction
ex ists.
When them alfunct ionindicat orisillumina‐
te d, thes ystemm aynotb ea ble todetect or
sig nal lowt irep ress urea sintende d.TPM S
mal functi onsmayoccu rfor av ariety of rea‐
son s,inc ludin gthe installation ofinc om pati‐
ble replacemen toralter nat etires orwheels
on thev ehicle that prev ent theT PMS from
func tioningproper ly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing oneormor etires or
wheels onyour vehicle toensur ethat the
re placemen toralter nat etires and wheels Wheels
andtires 45
1

The
tirep ressur esarea lready being moni‐
to re d. #
Com parethe tirep ressur ewitht he recom‐
mend edtirep ress uref or thec urrent operat‐
ing cond ition (/ page 449). Observet he
no teso ntiret em per atur e(/pag e448).
% The values displa yedi nt he multifunction dis‐
pla ym aydeviat efromt hose ofthet irep res‐
sur egaug eastheyr efer tosea leve l.At high
altitudes, thet irep ressur evalues indicated
by ap ressur egaug earehigh erthan those
sho wnbytheo n-boar dcom put er.Int his
case, donotreduce thet irep ressur e.
Mak esuret oo bser vethef ollo wing further rela‐
te ds ubjec t:
R Noteso ntirep ressur e(/pag e448)
Re star ting thet irep ressur emonitoring sys‐
te m
Re quirement s:
R The recomme ndedtirep ress urei sc orrectl y
se tfor ther espectiv eoper ating condition on
eac hofthe four wheel s(/ pag e448). Re
star tt he tirep ressur emonit oring system in
th ef ollo wing situations:
R The tirep ressur ehaschang ed.
R The wheels ortires have been chang edor
ne wlyi ns talled.
On- boar dcom put er:
4 Service 5
Tires #
Swipe down wardso nTouc hControl on the
lef t-hand sideofthes teer ing wheel.
The Use Current Pressures asNew Refer-
ence Values? messageiss hown inthem ulti‐
func tion displa y. #
Press 0076 toconf irmt herestar t.
The Run FlatIndicat orRest arted mes sageis
sho wninthem ultifunc tiondispla y.
Cur rent wa rning mess ages ared eleteda nd
th e0077 yello ww arning lampgoes out.
Af tery ou have driven foraf ewmin utes, the
sy stem checks whe ther thec urrent tirep res‐
su resa rewit hin thes pecif iedrang e. The cur‐
re nt tirep ress ures aret hen accep teda sref‐
er ence values andmon itor ed. Mak
esuret oo bser vethef ollo wing further rela‐
te ds ubjec t:
R Noteso ntirep ressur e(/pag e448) Whe
elsand tires 453

Obser
vethef ollo wing when selecting, installing
and replacing tires:
R Onlyusetires and wheels ofthes ame type
(summer tires, wint ertires, MOEx tende d
tir es) and thes ame make.
R Onlyins tal lw heels ofthes ame sizeonone
axle (leftand right).
It is onl ypermissible toins tallad iffe re nt
wh eelsizei nt he eve ntofaflat tirei no rder
to drivet ot he specialis tworks hop.
R Onlyins talltir es ofthec orrect size ontothe
whee ls.
R Vehicl eswith atirep ress urem onit oring
sy stem: Allinstalled wheels mustbee quip‐
ped withfunc tion ingsensorsfor thet ire
pr essur emonit oring system.
R Attemp eratur esbelo w45°F(7° C), use win‐
te rt ires orall-seaso ntirem arke dM +Sfora ll
whee ls.
Wi nter tires bearing the004D snowflak es ym‐
bol inaddition totheM +Smar king prov ide
th eb estp ossible grip inwintr yroad condi‐
tions. R
ForM +Stires, only usetires wit hthe same
tr ead.
R Obser vethem aximum permissible speedfor
th eM +Stires installed.
If th is isbelo wthe vehicle's maximum speed,
th is mus tbeindic ated byan appr opriate
label inthed rive r's field ofvision.
R Break inne wt ires atmoder ates peeds for
th ef irst 60 miles( 10 0k m).
R Replace thet ires afte rs ixyearsa tthe latest,
re ga rdless ofwe ar.
R Wh enreplac ingwith tires that donotfea‐
tu re run-flat charact eristics :ve hicles with
MOExt ended tires aren otequipped witha
TIREFIT kitatthef act ory. Eq uipt he vehicle
wit haT IREFIT kitafte rr eplacing withtires
th at do notfeatur erun- flat charact eristic s,
e.g .winter tires.
Fo rm orei nfor mation onwhee lsand tires, con‐
tac taq ualifiedspec ialistworks hop.
Be suretoa lso obse rvet he follo wing further
re lat ed subje cts:
R Noteso ntirep ressur e(/pag e448) R
Tire and Loadi ngInfo rm atio nplacar d
(/ page454)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e462)
R Tire pressur etable (/page449)
R Noteso nthe emer gency sparewheel
(/ page477) No
teso nrotating whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Int erch ang ingthef ront and rear wheels ifth e
wheels ortires have differe nt dimens ions
ma yseve rely im pa irth ed riving charact eris‐
tic s.
The wheel brak es orwheel suspension com ‐
pon entsm ayalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areo fthe same dimen‐
sions. Wheels
andtires 469

#
Align cent ercap 2onther ear side ofcen‐
te rc over 3 oftheh ub cap onone lughole
1. #
Position theh ub cap and turnthe cent er
co verc loc kwise untiltheh ub cap engages
ph ysicall yand audibly . Alum
inum hubcap #
Toremo ve:po sitio ns ocket2 onhubc ap
1.
% The socketc an be found inthet ire-c hang e
to ol kit. #
Position wheel wrenc h3 onsoc ket2 . #
Usingwheelw renc h3,t urnh ub cap 1
cou nter-clo ckwise andremo veit. #
Toins tall: posit ionhub cap1and turnu ntil
it is com pletely flush withthe wheel. #
Position socket2 onhubc ap 1. #
Attach wheel wrenc h3 tosoc ket2 and
tig hten theh ub cap clockwise.
Specif iedtight ening torq ue: 18lb-f t
(25 Nm). Ra
ising thev ehic lewhen changi ngaw heel Re
quirement s:
R Ther eareno per sons inthev ehicle.
R The vehicle isprepar edforaw heelchang e
(/ page471).
R Theh ub cap shave been remo ved
( / pag e471).
Im po rtant noteso nu sing thej ack:
R Use onlyav ehicle-spec ific jac kthat has
been approved byMer cedes-Ben ztor aise
th ev ehicle.
R The jackiso nlyd esigned forr aising and
holdin gthe vehicle foras horttime whilea
whee lisb eing chang edand notfor maint e‐
nance workund erthev ehicle.
R The jackm ustb ep laced onafirm, flat and
no n-slip surface. 47
2
Wheels andtires

Ti
re pres sur em onitor Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Tire Press. MonitorCur-
rent lyUnavailable *T
her eisinter fere nce from apowe rful radio signal source.Asaresult, nosignals from thet irep ressur esensor sare
being recei ved. The tirep ressur emonit oristemp orarily una vailable. #
Driveo n.
The tirep ressur emonitor will restar ta utomat icallyassoon asthec ause hasbeen rectif ied.
Tir eP ress. Moni torInope ra-
tive *T
hetirep ressur emonit orismalfunctionin g. &
WARNIN GThe reisar isk ofan acci dent ifth et irep ressur emonit oring system ismalfunct ioning
If th et irep ressur emonit oring system ismalfunct ioning,itis no ta ble toissue awarning ifth er ei sp ressur eloss
in one ormor eofthe tires.
Un der inflated tires ma y,fore xamp le,impair thed riving, steer ing and braking charact eristic s. #
Have thet irep ressur emonit oring system checkeda taq ualifiedspec ialistworks hop. #
Consult aqualif iedspec ialistworks hop.
Tire Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donoth ave suitable tirep ressur esensor s.The tirep ressur emonit orisdeactiv ated. #
Installwheels withs uitable tirep ressur esensor s. Disp
laym essages and warning/ indic ator lam ps 535

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
0077 Please Correct TirePres-
sure *T
hetirep ressur eist oo lowi na tleas tone ofthet ires, orthed iffe re nce intirep ress ureb etwe en thei ndividual
wheels istoog reat. #
Chec kthe tirep ressur eand add air,ifn eces sary. #
When thet irep ressur eisc orrect, restar tt he tirep ressur emonit or(/ page453).
0077 Warning TireMalfunct ion *T
hetirep ressur eino neormor etires has dropped suddenly .The wheel position isdispla yed. &
WARNIN GRisk ofan acci dent from drivi ng with aflat tire
Flat tires ared ang erous inthef ollo wing ways:
R The tires can overheat and cause afire.
R The driving charact eristic s,as wellas steer ing and braking, maybeg reatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Donotd rive wit haf lattire. #
Obser vethen otes on flat tires. No
teso nflat tires (/ page425). #
Stop thev ehicle inaccor dance withthe traffic con dition s. #
Chec kthe tires. Displa
ymessag esand warning/ indic ator lam ps 53
7

Ti
re pres sur em onitor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes The
yello wt irep ressur emonitor ing system warning lam p(pressur eloss/ malfun ction) flashes fora pproxima tely one
minut eand then remains lit.
*The tirep ressu remonit oring system isdef ective. &
WARNIN GThe reisar isk ofan acci dent ifth et irep ressur emonit oring system ismalfunct ioning
If th et irep ressur emonit oring system ismalfunct ioning,itis no ta ble toissue awarning ifth er ei sp ressur eloss
in one ormor eofthe tires.
Un der inflated tires ma y,fore xamp le,impair thed riving, steer ing and braking charact eristic s. #
Have thet irep ressur emonit oring system checkeda taq ualifiedspec ialistworks hop. #
Visit aq ualif iedspec ialistworks hop.
0077 Ti re pressur emonit oring
sy stem warning lam plight s
up The
yello wt irep ressur emonitor ing system warning lam p(pressur eloss/ malfun ction) islit.
*The tirep ressur emonitor ing system has detected tirep ress urel ossina tlea st one ofthet ires. &
WARNIN GRisk ofan acci dent duet oinsuf ficie nttirep ress ure
Ti re pressur esthat aret oo lowp ose thef ollo wing hazar ds:
R The tires ma yburst,e speciall yasthe load andvehicle speed increase.
R The tires ma yw ear excessiv elyand/or unevenly, whic hmaygreatl yimp air tiret raction. 55
4
Dis playm essages and warning/ indic ator lam ps