2020 MERCEDES-BENZ S-CLASS ESP

Ti
re sw ithrun-flat charact eristics : #
Obse rvet he information andwarning
no teso nM OExt ended tires (run-f lat
tir es). In
thee vent ofaflat tire, thef ollo wing options
ar ea vailable depen dingo nyour vehicle's equip‐
ment :
R Vehicl eswith MOExt endedtires: itis pos‐
sibl etoc ontinu ethe jour neyfor as hor t
per iod oftime. Makesurey ou obser vethe
no teso nM OExt ended tires (run-f lattires)
(/ page426).
R Vehicl eswith aTIREF ITkit :yo uc an repair
th et ires othat itis possibl etoc ontinu ethe
jour neyfor as hor tperiod oftime. Todo this,
use theT IREFI Tkit(/ page427).
R Vehicl eswith Mercedes meconne ct:you
can makeac allf or breakdo wnassis tanc ev ia
th eo verhead control panel inthec ase ofa
br eakdo wn(/ page355).
R Allvehicl es:chang ethe wheel
(/ page471). %
The emerg encysparewheel isonl yavailable
in cer tain coun tries. No
teso nM OExt ended tires (run-fl attire) &
WARNIN GRisk ofacci dent whendrivi ng
in eme rgency mode
When driving inemer gency mod e,theh an‐
dling charact eristic sa reimpair ed.e.g.when
cor ner ing,when accelerating stro ng lyand
when brakin g. #
Donote xceed thep ermissible maxi‐
mum speed forM OExt ended tires. #
Avoid anya brup tsteer ing and driving
maneuv ersa sw ellasdriving over
obs tacle s(curbs, poth oles, off-r oa d).
Thi sapplies ,inp artic ular ,t oal oaded
ve hicle. #
Stop driving inthee mer gency mod eif
yo un otice:
R ban gingn oise
R vehicle vibration R
smok ewhichs mells liker ubber
R con tinuous ESP®
int erve ntio n
R crac ks intires ide walls #
Afterd riving inemerg encymode have
th er ims checkedb yaq ualifiedspec ial‐
is tw orks hop withregardt ot heir further
use. #
The defectivet irem ustb ereplaced in
eve rycase . Wi
th MOExt ended tires (run-f lattire), youc an
co ntinue todrivey our vehicle evenifther eisa
tot alloss ofpressur eino neormor etires. How‐
eve r,th et irea ffect edmus tnotsho wanyclearly
vis ible da mag e.
Yo uc an recogni zeMOExt endedtires by the
MOExt ended marking whichappear sonthe side
wa llof thet ire.
Ve hicl eswith tirep ress urem onit oring sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionw itha na ctivat ed tirep ressur emonitor‐
ing system. 426
Breakdo wnassis tance

&
WARNIN GRisk ofacci dent duet ot he
specif iedtirep ressur enotbeing reac hed
If th es pecif iedtirep ressur eisn otreac hed
af te rab rief drive, thet irei st oo badly dam‐
ag ed. The tires ealant cannotrepair thet ire
in this ins tan ce.
Dama gedt ires and tirep ressur ethat istoo
lo wc ansign ifican tlyi mp air theb raking prop‐
er ties and theh andling charact eristic s. #
Donotc ontin ue drivin g. #
Con sult aqualif iedspec ialistworks hop. In
cases suchasthe one mentioned above,c on ‐
ta ct an author ized Mercedes-B enzCent er.O r
call 1-80 0-FOR-MER Cedes (intheU SA)or
1-8 00- 387-0 100( inCanada). #
Cor rect thet irep ressur eifiti ss tilla tleas t
13 0k Pa(1.3 bar/1 9psi).Y ou will find the
va lues intheT irea nd Loadi ngInfo rm atio n
placar donthe B-pillar onthed rive r's side or
in thet irep ressur etable inthef uel filler flap. #
Toincr ease thet irep ressur e:swit chon
th et irei nflation compressor . #
Toreduce thetirep ress ure: press press ure
re lease button1 next to manome ter2 . #
When thet irep ressur eisc orrect, unscr ew
th ef illing hose from thev alveo fthe sealed
tir e. #
Screw thev alvec ap ont othe valveo fthe
sealed tire. #
Pull thet ires ealant bottle out ofthet ire
inf lation compressor .
The filling hose stay so nthe tires ealant bot‐
tle. #
Drivet ot he near estq ualif iedspec ialistwork‐
shop andhave thet ire, tires ealant bottle
and filling hose replaced ther e. Bat
tery (vehicle) No
teso nthe 12Vb attery &
WARNIN GRisk ofan acci dent duet o
wo rkcar ried out incor rectly ontheb at‐
te ry
Wo rkcar ried out incor rectl yo nthe batt ery
can, fore xamp le,lead toas hor tcircuit .This
can lead tofunction restrictions insaf ety-re l‐
eva ntsystems, fore xamp lethel ighting sys‐
te m, ABS (anti-lo ckbraking system) orESP®
(Elect ronic Stabilit yProgram). Theoperating
saf etyo fyour vehicle mayberestrict ed.
Yo uc ouldlose contro lo fthe vehicle inthe
fo llo wing situat ions:
R when brakin g
R inthee vent ofabrupt steer ing maneuv ers
and/or whenthev ehicle's speedisno t
adap tedt ot he road con dition s #
Inthee vent ofas hortcir cui tora sim i‐
la ri nci dent, contactaqualif iedspec ial‐
is tw orks hop immediat ely. Br
eakdo wnassis tance 43
1

#
Donotc onti nue drivi ng. #
Alw aysh ave workon theb atteryc arried
out ataq ualif iedspec ialistworks hop. R
Further information onABS (/page201)
R Further information onESP ®
(/ page202)
Fo rs afet yr easons, Mercedes- Benzrecomme nds
th at youo nly use batteries whic hhave been tes‐
te da nd appr ovedfor your vehicle byMer cedes-
Benz .These batteries prov ide increased impact
pr otect ion topreve ntvehicle occupants from
suf fering acidb urns sho uld theb atteryb ed am‐
ag ed inthee vent ofan acci dent.
Al lv ehic lesexceptv ehic leswithal ithium-
ion batt ery &
WARNIN GRisk ofexplosion duetoelec‐
tr os tatic charge
Ele ctrostatic charge can causespa rksw hich
ma yignit ethe highl yflammable gasm ixtur e
in theb attery. #
Todisc hargeanye lectros tatic charge
th at ma yhave built up,touc ht he metal ve
hicle body beforeh andling theb at‐
te ry. The
highly flammab legasm ixtur eisc reated
while theb atteryi sc har ging andduring star tin g
assis tance. &
WARNIN GDang erofchemical burns
fr om theb atterya cid
Batt erya cid iscaus tic. #
Avoid cont actwiththe skin, eyes or
clo thing. #
Donotlean overthe batt ery. #
Donotinh aleb attery gases. #
Keep childr enaway from theb attery. #
Immedia tely rinse batter ya cido ffthor‐
oughl ywithp lenty ofclean watera nd
seek medica lattention immediately . All
vehicl es
+ ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gecau sed byimproper disposal of
batt eries Bat
teries con tain polluta nts. Itis
illeg alto dispose ofthem withthe household
ru bbish. #
Dispose
ofbatt eries inan
en vironmen tallyr esponsibl emanner .
Ta ke disc hargedb atteries toaq ualif ied
spec ialistworks hop ortoac ollec tion
poin tfor used batteries. If
yo uh ave todiscon nectthe 12 Vb attery, con‐
ta ct aq ualif iedspec ialistworks hop.
Com plyw iths afet yn otes and take protect ive
measur eswhen handling batteries. 432
Breakdo wnassis tance

&
WARNIN GRisk ofexplosion from hydro‐
ge ng asign iting
Ab atteryg ene ratesh ydr ogen gasd uring the
ch argin gp roce ss. Ifth er ei sas hortcircuit or
spar ksstar tt of orm, ther ei sad angerofthe
hy drog en gasigniting. #
Mak esuret hat thep ositiv eterminal of
th ec onnect edbatt eryd oes notc ome
int oc ontact with vehicle parts. #
Neverp lace me talo bje ctso rtools ona
batt ery. #
When connectin gand disconn ectingthe
batt ery, yo um usto bse rvet he descr i‐
bed order fort he batt eryc lam ps. #
When giving star tin ga ssis tance, alwa ys
mak esuret hat youo nly con nectbat‐
te ry term inals withident icalpolar ity. #
Dur ing star tin ga ssis tance, youm ust
obse rvet he descr ibedorder forc on‐
necting anddisconnecting thej um per
cables. #
Donotc onnect ordiscon necttheb at‐
te ry cla mp sw hile thee ngine isrunning . &
WARNIN GRisk ofexplosion during
ch argin gp roce ss and star tin ga ssis tance
Dur ing thec har ging process andstar tin g
assis tance, theb atterym ayrelease anexplo‐
siv eg asmix ture. #
Avoid fire ,o pen flames ,creating spar ks
and smoking. #
Mak esuret hat ther ei ss ufficie ntventi‐
la tio nd uringt he chargin gp roce ss and
dur ing star tin ga ssis tance. #
Donotlea no verab attery. &
WARNIN GRisk ofexplosion from afro‐
zen battery
Ad ischar gedb atterym ayfreeze attemp era‐
tur es slightl yabove orbelo wfreezing point.
Dur ing star tin ga ssis tance orbatter yc harg‐
ing, batteryg as ma ybereleased. #
Alw ayst hawaf roze nb atte ry out firs t
bef orec harging itor per form ing star t‐
ing assis tance. If
th ei ndicat or/warning lampsinthei nstrument
clus terd on otlight up atlowt em per atur es,itis
ve ry likelyt hat thed ischar gedb atteryh asfro‐
zen .Int his case youm ayneither jump-start the
ve hicle norcharge theb attery.
The service lifeo fab atteryt hat has been
th awe dmaybe dramaticall yshor tened .The
st ar tin gc har acteristics maybeimp aired, espe ‐
ciall yatlow temp eratur es.
It is recomme ndedthat youh ave athawe db at‐
te ry checkeda taq ualifiedspec ialistworks hop.
Plug-in hybrid: besur etoo bser vethen otes in
th eS upplement .Other wise, youm ayfailto rec‐
ogni zedangers.
Al lv ehic les
* NO
TEDama gecau sed bynum erou so r
ex tende dattem ptst os tart thee ngine Nu
me rous orextende dattem ptst os tart the
engine maydamag ethe cat alytic converter
due tonon-co mbusted fuel. #
Avoid numer ousand extende dattem pts
to star tt he engine. 43
4
Breakdo wnassis tance

No
teso nn oise orunusua lhand ling charac‐
te rist ics
While driving ,pay attent ion tovibr ations, noises
and unusu alhandl ingcharact eristic s,e.g .pullin g
to one side. Thismayindicat ethat thew heels or
tir es ared amag ed.Ifyo us uspe ctthat at irei s
def ective, reduce your spee dimm ediat ely. Stop
th ev ehicle assoon aspossible tocheckt he
whee lsand tires ford ama ge.H idden tired am‐
ag ec ouldalso be cau sing theu nusual handling
ch aract eristic s.Ifyo uf ind nosign sofdam age,
ha ve thet ires and wheels checkeda taq ualified
spec ialistworks hop. No
teso nregular lyinspect ingwheels and
tir es &
WARNIN GRisk ofacci dent from dam‐
ag ed tires
Dama gedt ires can cause tirep ressur eloss.
As aresult, youc ouldlose contro lo fyour
ve hicle. #
Chec kthe tires regular lyfors igns of
dama geand replace anyd amag edtires
immediat ely. &
WARNIN GRisk ofaquaplani ng duet o
insuf ficie nttiret read
Insu fficien ttiret read will result inreduced
tir eg rip. The tiret read isno long erable to
dissipat ewater.
This mean sthat inhea vyrain or slush the
ri sk ofhydroplaning isincr eased, inpar ticu‐
lar ifve hicle speed isno ta dap tedt os uit the
condi tions.
If th et irep ressur eist oo high ortool ow ,
tir es ma yexhib itdif fere nt leve ls of we arat
dif fere nt locati ons onthet irec ontact sur‐
fa ce. #
Thu s,yo us hould regular lych eckt he
tr ead depthand thec ondition ofthet ire
con tact surface across thee ntirew idth
of all tires. Minimum
tread depthfor:
R Summ ertires: 00CEin(3 mm)
R M+S tires: 00CFin(4 mm) #
Fors afet yr easons, replace thet ires
bef oret he legally prescr ibed limit for
th em inimum tread depthisreac hed. Car
ryout thef ollo wing checks on allwheels reg‐
ular ly,a tleas tonce amonthorasrequir ed, e.g.
pr ior toalon gjou rney ordrivin goff-roa d:
R Chec kthe tirep ressur e(/pag e448) .
R Visual lyinspect wheelsandtires ford ama ge.
R Chec kthe valvec aps.
The valves mus tbep rotected agains tmois‐
tur ea nd dirtbythe valvec aps appr oved
especiall yfor your vehicle byMer cedes-Ben z.
R Visual checko fthe tiret read dep thand the
tir ec ont act surface across thee ntirew idth.
The minimum tread depthfors ummer tires is
00CE in(3 mm) andforw inter tires 00CF in
(4 mm). 44
6
Wheels andtires

allo
wthe TPMS tocontinu etof unction prop‐
er ly. The
system checks thet irep ressur eand thet ire
te mp eratur eofthe tires installed onthev ehicle
by means ofat irep ressu resensor .
Ne wt irep ressur esensor s,e.g. inwint ertires,
ar ea utomaticall ytaught -indur ing thef irst jou r‐
ne yt heya reused.
The tirep ressur eand thet iret em per atur e
appear inthem ultifunc tiondispla y
(/ page452).
If th er ei sas ubstantia lpress urel osso rift he
tir et em per atur eise xcessiv e,youw illbe warned
in thef ollo wing ways:
R Viad ispla ymessag es(/ page535)
R Viat he 0077 warning lam pint he instrument
clus ter( /pag e554)
The tirep ressu remonit oring system isonl yan
aid. Itis thed rive r's responsibili tyto setthe tire
pr essur etot he recomme ndedcoldtirep ress ure
su itab lefort he oper ating situation. Setthe tire
pr essur efor cold tires using atirep ressu re ga
ug e. No tethat thec orrect tirep ress uref or the
cur rent operati ng situa tionm ustfirst be taught -
in to thet irep ressur emonit oring system.
In mos tcases, thet irep ressur emonit oring sys‐
te mw illa utom atical lyupd atet he newr efer enc e
va lues afte ry ou have chang edthet irep ressur e.
Yo uc an,h ow ever,a lso updat ethe refere nce val‐
ues byrestar tin gt he tirep ressur emonit oring
sy stem manuall y(/ pag e453).
Sy stem limit s
The system maybeimp aired orma ynotfunc tion
in thef ollo wing situations:
R The tirep ressur ehasbeen setinc orrectl y
R The reisas udden pressur eloss caused, for
ex am ple, byaforeign object penetratin gthe
tir e
R Ther eisam alfu nctio ncausedb yanother
ra dio signal source
Be suretoa lso paya ttent ion tothef ollo wing
re lat ed topic:
R Noteso ntirep ressur e(/pag e448) Che
ckingt he tirep ressur ewitht he tirep res‐
sur em onitoring system
Re quirement s:
R The ignit ionisswitc hedon.
On- boar dcom put er:
4 Service 5
Tires
One ofthef ollo wing displa ysappear s:
R Cur rent tirep ress ureo feachw heel: R
Tire pres sure willbedisplayed afterdriv inga
few minutes
R Tire Pres sure MonitorA ctive:t heteac h-in
pr oce ssofthes ystemi snotyetc omple te. 452
Wheels andtires

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

and
one-h alftim esaswellon theg ove rnment
te st trac ka sat ireg rade d1 00.
The relativ eperform anc eoftires depen dsupon
th ea ctual conditions oftheir use, howe ver,and
ma ydepar tsign ifican tlyf romt henor md ueto
va riatio nsindrivin ghabit s,ser vicep ractice sand
dif fere nces inroad charact eristic sa nd clim ate
con dition s.
Tr actio ngrade &
DANG ER Risk ofacc iden tdue toinade‐
qu atet raction
The tract ion grade assig nedtothis tirei s
based onstra ight -ahead brakin gtraction
te sts, and does notinclude either acceler a‐
tion, corner ing, hydroplaning orpeak traction
ch aract eristic s. #
Alw aysa dap tyour driving stylea nd
dr ivea tas peed tosuit thep reva ilin g
traf fica nd weather condition s. *
NO
TEDama getothed rive trai nf rom
wheelspin #
Avoid wheelspin. The
traction classes, from highes ttol owe st,a re
AA ,A,Ba ndC.Tho segrad es repr esent thet ire's
ability tostop onwetpave ment asmeasu red
unde rcontrol ledc ondition sonspec ified govern‐
ment test sur faces ofasp haltand concr ete. A
tir em arke dCm ayhave poor traction perform ‐
anc e.
Te mp eratur eg rade &
WARNIN GRisk ofacci dent from tire
ove rheating andtiref ailur e
The temp eratur egrade fort his tirei se stab‐
lishe dfor atiret hat isproper lyinf lated and
no to verloaded. Excessiv espeed, underinfla‐
tion, orexc essiv eloading, either separ ately
or incombin ation,cancause excessiv eheat
build-up andpossible tiref ailur e. #
Obser vether ecom mende dtirep res‐
su resa nd regular lych eckt he tirep res‐ sur
eofalltir es including thes par e
wheel. #
Adjus tthe tirep ressur easneces sary. The
temp eratur egrades areA( theh ighes t),B
and C.The yrepr esent thet ire's resis tance tothe
ge ner ation ofhea tand itsability todissipat e
heat when tested under controlled conditions on
as pecif iedindoor laborator yt estw heel. Sus‐
ta ined hightemp eratur ecan cause them ater ial
of thet iret od egener atea nd reduce tirel ife, and
exc essiv etem per atur ecan lead tosudden tire
fa ilur e.Grade Ccorresponds toaleve lofp er‐
fo rm anc ewhicha llpasse nger car tires mus t
mee tunde rthe Feder alMo torS afet yS tandar d
No. 109. Grade sBa ndArepr esent higher leve ls
of per form anc eonthe labor ator yt estw heel
th an them inimum requ ired bylaw. DO
T,Tire Iden tificat ionNumbe r(TIN) US
tirer egulations stipulat ethat everytire man‐
uf actu rero rretre ad er mu stimprint aTINinor
on thes ide wallof eac htirep roduced. 460
Wheels andtires