MERCEDES-BENZ S-CLASS 2020 Owner's Manual

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

The
wearpat tern so nthe front and rear wheels
dif fer:
R Front wheels wearmor eonthe shoulder of
th et ire
R Rear wheels wearmor eatthe cent erofthe
tir e
Do notd rive with tires that have tool ittle tread
dep th.T hiss ignif ica ntlyreduces traction onwet
ro ads (hydr oplan ing).
On vehicles that have thes ame sizefront and
re ar wheels ,rotatet he wheels accordingtothe
int erva ls in thet irem anuf actur er'swarrant y
book inyour vehicle documents. Ifth is isno t
av ailable, rotate thet ires every
3,000 to6,000 miles(5,000 to10,000 km),
dependin gonthe wear.E nsuret hat thed irect ion
of rotatio nism aint ained .
Ob servet he instructions andsafetyn otes on
"Changing awheel" when doing so
(/ page471). No
teso ns toring wheels When
stor ing wheels, observethef ollo wing
no tes:
R Afterr emo ving wheels, stor et hem inac ool,
dr ya nd prefer ably darkplace.
R Protect thet ires from contact with oil, grease
or fuel. Ov
ervie wo fthe tire-c hang etool kit Apar
tfroms ome country- specif icvariant s,vehi‐
cles aren otequipped withat ire-c hang etool kit.
Fo rm orei nfor mation onwhi chtire-c hangi ng
to ols arer equir ed and appr ovedfor per form ing a
wheel chang eonyour vehicle, consult aqualif ied
spec ialistworks hop.
Re quired tire-c hang etools mayinclude, for
ex am ple:
R Jack
R Choc k
R Lugw renc h
The tire-c hang etool kitislocat edunder the
tr unk floor . 1
Ratche t
2 Alignme ntbolt
3 Jack ing suppor t
4 Jack
5 Lugw renc h
6 Folding choc k 47
0
Wheels andtires

Se
tting upthef olding chock Pr
epa ring thev ehic leforaw heelch ang e Re
quirement s:
R The requ ired tire-c hang etool kitisavailable.
If yo ur vehicle isno te quipped withthe tire-
ch ang etool kit, consult aqualif iedspec ialist
wo rkshop tofind outa bout suitab letools. R
The vehicle isno to nas lope.
R The vehicle ison solid, non-slipper yand leve l
gr ou nd . #
Thee lect ricp arkin gb rake isapplied man‐
uall y. #
Movethef ront wheels tothes trai gh t-ah ead
po sition . #
Shiftt he transmission toposition 005D. #
Vehicl eswith AIRB ODYC ONT ROLo r
MA GIC BODY CONT ROL:Se tthe nor mal
ve hicle leve l. #
Swit chofft he engine. #
Mak esuret hat thee ngine cannotbe star ted. #
Place choc ks orother suitable items under
th ef ront and rear ofthew heel that isdiago‐
nall yoppos itet he wheel youw ish tochang e. #
Remo vetheh ub caps ifneces sary
(/ page471). #
Raise thev ehicle (/page472). Re
mo ving and inst alli ng hub caps Re
quirement s:
R The vehicle isprepar edforaw heelchang e
(/ page471).
Plas tichub cap #
Toremo ve:tur nthe cent ercovero fthe hub
cap count er-cloc kwise andremo vetheh ub
cap. #
Toins tall: makesuret hat thec ent ercover
of theh ub cap istur ned count er-cloc kwise. Wheels
andtires 47
1

#
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

R
The foot ofthej ackm ustb ep osition edverti‐
call yunder thej acks uppor tpoint . Ru
les ofcon duct when thev ehicle israised:
R Neverp lace your han dsorfeet und erthe
ve hicle.
R Neverlie under thev ehicle.
R Donots tart thee ngine anddonotrelease
th ee lectr icpar king brak e.
R Donoto pen orclose anyd oor sorthe trunk
lid. #
Using thel ug wrenc h,loosen thew heel bolts
on thew heel youw ish tochang ebyabout
on ef ull turn.Do notu nscrew theb olts com‐
ple tely. Po
sition ofjac ksuppor tpoints &
WARNIN GRisk ofinju ryfrom incor rect
pos itioning ofthej ack
If yo ud on otposi tiont he jackc orrectly at
th ea ppr opr iatejacking point ofthev ehicle,
th ej ackc ould tipwiththe vehicle raised. #
Onlyposit ion thej acka tthe appr opri‐
at ej acking point ofthev ehicle. The
base ofthej ackm ustb ep osition ed
ve rticall yunder thej acking point ofthe
ve hicle. Wheels
andtires 47
3

*
NO
TEVehicle damag efromt hejack If
yo ud on otposi tiont he jackc orrectl ya t
th ea ppr opr iatejacks uppor tpoint ofthe
ve hicle, thej ackc ould tipove rwitht he vehi‐
cle raised. #
The jackisd esign edexclu sively for
jac king upthev ehicle atthej acks up‐
por tpoint s. #
Take ther atc hetw renc houtofthet ire-
ch ang etool kitand place iton theh exagon
nut ofthej acks othat thel ette rs "AUF" are
visible. #
Position jack2 atjac ksuppor tpoint 1. #
Turn ratche tw renc h3 clockwise untiljac k
2 sitsc om pletely on jacksuppor tpoint 1
and theb ase ofthej ackl ies evenlyo nthe
gr ound. #
Continue totur nratc hetw renc h3 unti lthe
tir ei sr aised amaxim umof1.2i n( 3c m) off
th eg round. #
Loosen andremo vethew heel (/page474). Re
mo ving aw heel Re
quirement s:
R The vehicle israised (/page472).
Mer cedes- AMG vehicl es:obse rvet he notesi n
th eS upplement .Other wise, youm ayfailto rec‐
ogni zedangers.
Whe nchanging awheel, avoid applying anyforce
to theb rake discs, sincethis could impair the
le ve lo fc om fort when brakin g.
* NO
TEDama getothre adin gfromd irto n
wheel bolts #
Donotp lace wheel boltsins ando ron
ad irty sur face. #
Unscr ew theu pper mostwheel boltcom‐
ple tely. 47
4
Wheels andtires

#
Screw align mentbolt 1 intot he thre ad
ins tead ofthew heel bolt. #
Unscr ew ther emain ingwheel boltscom‐
ple tely. #
Remo vethew heel. #
Installth en ew wheel (/page475). Mo
untin gan ewwheel Re
quirement s:
R The wheel isremo ved( / pag e474). Mer
cedes- AMG vehicl es:obse rvet he notesi n
th eS upplement .Other wise, youm aynotrecog ‐
niz ed angers. &
WARNIN GRisk ofacci dent from losing a
whe el
Oil ed, grea sed ordamag edwhe elbol t/whe el
nut thre ads orwheel hub/wheel mounting
bolt thre ads can caus ethe wheel bolts/
wheel nutstocome loose.
As aresult, youc ouldlose awheel while driv‐
ing . #
Nevero ilor grease thet hreads . #
Inthee vent ofdama getothet hreads ,
cont actaqualif iedspec ialistworks hop
immediat ely. #
Have thed amag edwheel boltsordam‐
ag ed hub thre ads replaced. #
Donotc ontin ue driving. #
Obser vethei nfor mation onthec hoice of
tir es (/ page467). Fo
rtires wit has pecif ieddirection ofrotatio n,an
ar ro wo nthe side wallof thet irei ndicat esthe
cor rect dire ction ofrotatio n.Ob servet he direc‐
tion ofrotatio nw heninstalling. #
Slide thew heel tobe mount edont othe
alig nmen tbolt and push iton . &
WARNIN GRisk ofinju ryfrom tight ening
whee lbolts and nuts
If yo ut ight en thew heel bolts orwheel nuts
when thev ehicle israised, thej ackc ould tip. #
Onlytight enwheel boltsorwheel nuts
when thev ehicle ison theg round. #
Besuretoo bser vethei nstruction sand
saf etyn otes on "Changing awheel"
(/ page467). #
Fors afet yr easons, onlyusewheel bolts
whic hhaveb een appr ovedbyM ercedes-
Benz andfort he wheel inqu estion . Wheels
andtires 47
5

*
NO
TEDama getopaintw orko fthe wheel
ri mw hen screwing onthef irst wh eelb olt If
th ew heel hastoom uchp layw hen screw‐
ing inthef irst wh eelb olt, th ew heel rimp aint
can bedama ged. #
Press thew heel firm lyag ains tthe
whee lhub when screwing onthef irst
wheel bolt. #
Tight enthew heel bolts evenlyi nad iago nal
pa tter ni nt he order indicat eduntil they are
fi ng er-tig ht. #
Unscr ew thea lignment bolt. #
Tight enthel astw heel boltuntil itis fing er-
tig ht. #
Lowe rthe vehicle (/page476). Lo
we ring thev ehic leafte raw heelch ang e Re
quirement s:
R The neww heel hasbeen installed
(/ page475). #
Plac et he ratche to ntot he hexagon nutofthe
jac ksothat thel ette rs "AB" arev isible. #
Tolowe rthe vehicl e:tur nthe ratche to fthe
jac kc ounter-clo ckwise. #
Tight enthew heel bolts evenlyi nad iago nal
pa tter ni nt he order indicat ed1 to5 with
am aximum of59 lb-ft(80 Nm). #
Tight enthew heel bolts evenlyi nad iago nal
pa tter ni nt he order indicat ed1 to5 to
th es pecif iedtight ening torq ue of111 lb-ft
(1 50 Nm). &
WARNIN GRisk ofinju rythro ugh incor‐
re ct tigh tening torq ue
Th ew heelsc ouldcome looseifth ew heel
bolts orwheel nutsaren ottight ened tothe
pr escr ibed tighteningtorq ue. #
Mak esuret he wheel boltsorwheel
nuts aret ight ened tothep rescr ibed
tight ening torq ue. #
Ifyo ua renots ure, do notm ovet he
ve hicle. Consult aqualif iedspec ialist
wo rkshop andhave thet ight ening tor‐
qu ec hec kedi mmediat ely. #
Chec kthe tirep ressur eofthe newlym oun‐
te dw heel andadjus taccor dingly. #
Vehicl eswith atirep ress urem onit oring
sy stem: Restar tt he tirep ressur emonit oring
sy stem (/ page453).
Ex cep tion: then ew wheel isan emer gency
spa rewheel.
Mak esuret oo bser vethef ollo wing further rela‐
te ds ubjec t:
R Noteso ntirep ressur e(/pag e448) 47
6
Wheels andtires

Emer
gency spar ewheel No
teso nthe eme rgency sparewheel &
WARNIN GRisk ofacci dent caused by
inc orrect whe eland tired imensi ons
The wheelor tires ize and thet iret ype ofthe
emer gency sparewheel orspar ewheel and
th ew heel tobe replaced maydiffe r. Mount‐
ing anemer gency sparewheel/ sparewheel
ma yseve rely im pa irth ed riving charact eris‐
tic s.
To preve nthazardous situa tions: #
Adapty our driving stylea ccor dinglyand
dr ivec arefull y. #
Neverm ount morethan one emer gency
spa rewheel orspar ewheel that dif fers
in size . #
Onlyusean emer gency sparewheel or
spar ewheel ofad iffe re nt size briefly. #
Donots witcho ffESP ®
. #
>Ha vethee mer gency sparewheel or
spar ewheel ofad iffe re nt size replaced
at then ear estq ualif iedspec ialistwork‐ shop.
Theneww heel musthave the
cor rect dimensi ons. Ch
eckt he tirep ressur eofthe emer gency spare
wheel installed. Correct thep ressur easneces ‐
sar y.
The maximum permissible speedwitha ne mer‐
ge ncy sparewheel installed is50 mph
(80 km/ h).
Do notins tallth ee mer gency sparewheel with
sn ow chains .
Re place thee mer gency sparewheel afte rs ix
ye arsa tthe latest,re ga rdless ofwe ar.
% Ve
hicl eswith atirep ress urem onit oring
sy stem: Ifan emer gency sparewheel is
ins talled thet irep ressur emonit oring system
cann otfunction reliabl y.Fo raf ewmin utes
af te ra ne mer gency sparewheel isins talled,
th es ystemm aystill displa ythe tirep ressur e
of ther emo vedw heel. Onlyrestart thes ys‐
te ma gain when thee mer gency sparewheel
has been replaced withan ewwheel. 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 pressur etable (/page449) Whe
elsand tires 47
7

No
teso ntechnic aldata
Plug-i nhybr id:obser vethen otes intheS upple‐
ment .Other wise, youm aynotrecog nizedan‐
ge rs.
Mer cede s-AMG vehicl es:obse rvet he notesi n
th eS upplement .Other wise, youm aynotrecog ‐
niz ed angers.
The data stat ed onlyapplies tovehicles with
st andar dequipme nt.Y ou can obtain further
inf ormation from anaut hor ized Mercedes- Benz
Cent er. Ve
hicl eelectr oni cs Tw
o-w ayradio s No
teso ninstalling two-w ayradio s &
WARNIN GRisk ofacci dent duet o
im proper workon two-w ayradios
The elect romagne ticradiation from two-w ay
ra dios caninterfere wit hthe on-boar delec‐
tr onics ifRF transmit ters arem anipulat edor
re trof itt ed inco rrect ly. This
could jeopar dizetheo per ating safetyo f
th ev ehicle. #
Yous hould have all workon electr ical
and electr oniccomponent scarried out
at aq ualif iedspec ialistworks hop. &
WARNIN GRisk ofacci dent from incor ‐
re ct ope ratio no ftwo -way radios
If yo uo per atet wo -way radios incor rectl yin
th ev ehicle, thee lectr omagne ticradiation
could interfere wit hthe on-boar delectr onics ,
e.g. :
R ifth et wo -way radio isno tc onnec tedt o
an exterior ant enna
R ifth ee xter iora ntenna isno tc orrectly
mou nted orisno to flow reflect ion
This could jeopar diestheo per ating safetyo f
th ev ehicle. #
Have thel ow -ref lectio nexter ior
ant enn ainstalled ataq ualif iedspec ial‐
is tw orks hop. #
When operating two-w ayradios inthe
ve hicle, alwaysc onn ect them tothe
lo w- reflect ion exterior ant enna. *
NO
TEInva lidation oftheo per ating per‐
mit due tofailur etoc om ply with the
ins truct ions fori ns tallation anduse The
oper atingpermit maybeinva lidat edif
th ei nstruction sfor ins tallation anduseof
tw o-w ayradios aren otobser ved. #
Onlyuseappr oved freq uency bands. #
Obser vethem aximum permissible out‐
put powe rint hese freq uency bands. #
Onlyuseappr oved ant enn aposition s. 47
8
Tech nica ldata