2020 MERCEDES-BENZ SLC ROADSTER flat tire

Tread
The partof the tire thatcome sinto conta ct
wi th the road.
Bead The tirebead ensu resthatthe tire sits
sec urelyo nthe wheel.The reares evera lstee l
wi res inthe bead topre vent thetire from com-
ing loose from thewheelrim .
Si dew all
The partof the tire betwe enthe trea dand the
be ad.
Wei ght ofopti onalextras
The comb inedw eigh to fthos eoptional extra s
tha tweigh mor ethant he rep laced standa rd
pa rts and morethan2 .3kg (5lbs).T he se
op tio nal extra s,su ch ashigh-p erform ance
bra kes, level contro l,ar oofrac ko ra high-p er-
form ance battery ,are not included inthe curb
we ight and theweight ofthe acce ssories.
TIN (Tire Ide ntificatio nNumbe r)
Thi sisa uniqueide nti fierw hich can beused
by atire manuf actu rertoidenti fytire s,for
exa mpl efor ap rodu ct reca ll,a nd thu side nti fy
the purcha sers.The TINisma de up ofthe
ma nuf actu rer'sidenti tycod e,tire size, tire
typ ecodea nd the manuf actu ring date.
Lo ad bearin gind ex
The load bearing index(alsol oa dind ex) isa
cod ethatc onta insthe maximu mloadb earing
cap acityof at ire.
Tracti on
Tra ctio nist he res ulto ffrictio nbetwe en the
tire sand the roadsurface.
Treadw earindic ators
Na rro wb ars( tre ad wearbars) thatare distri b-
ute doverthe tire trea d.Ifthe tire trea dislev el
wi th the bars, the wearlimit of00CD in(1.6 mm)
ha sb eenr eache d.
Oc cupant distrib utio n
The distri butio no foccu pants inav ehiclea t
thei rdesigna ted seating positio ns.
Total load limit
Nom inalloa da nd lugga geload plus 68 kg
(15 0lbs)m ultipl iedb ythe num bero fseats in
the vehicle. Ch
ang ingaw heel Fl
at tire
The "Breakdo wnassista nce" section
(Y page 253 )conta insinfo rma tiona nd note s
on how todealwith aflatt ire .Info rma tiono n
dri ving with MOExte ndedtiresint he eve ntofa
fla ttire can befou ndund er"M OExtend edtire s
(ti res with run-fla tcharacteri stics"
(Y page 254 ). Rotati
ngthe wheels G
WA
RNING
Ro tati ngthe fron tand rea rwheelsi fthe
wh eelsor tire shaved iffe rent dimens ions
ma ysevere lyimp airt he driving characteri s-
tics .The ser viceb rake orwh eelsus pe nsi on
comp onents mayalsob edamaged .The re is
ar isko fana ccident.
Ro tate frontand rea rwheelso nlyi fthe
wh eelsand tiresareofthe same dimen-
si ons.
! On
veh icles equipp ed with atire pre ssu re
moni tor,electro niccomp onents arel oc ate d
in the wheel.
Ti re-m ounting toolsshouldn otbe used nea r
the valve .Thisc ouldda ma gethe electro nic
comp onents.
Onl yhavet iresc hange dataq ualifi ed spe -
cia list wo rksh op.
Alw aysp ayatte ntiontot he instructio nsand
sa fety note swhenc hangi ng aw heel
( Y pa ge 290 ).
The wearpatterns onthe fron tand rea rtire s
di ffe r,de pendi ng on the opera ting cond itions.
Ro tate thewheelsbe fore aclear we arpattern
ha sform edon the tires.Front tirestypica lly
we armor eonthe sho ulde ra nd rea rtire sin
the cente r.
On veh icles tha thavet he same size front and
rea rwheels, yo uc an rota tethe wheelsacco rd-
ing tothe intervalsin the tire manuf actu rer's
wa rranty book inyour veh icled ocum ents. Ifno
wa rranty book isavaila bl e, the tiresshouldb e
rota tedevery3,0 00 to6,0 00 miles(5,000 to
10, 000 km).Dep endingontire wear,thism ay
be req uired earlier. Do not change thedirec-
tio no fwheelrota tion. Ch
ang ingaw heel
289Whe elsa nd tire s Z

Rais
ingt he vehic le G
WARNI
NG
If yo ud on otpos ition the jack corre ctlyat
the appro priate jacki ngpointofthe vehicle,
the jack couldtip ove rwitht he veh icle
rai sed .The re isar isko finju ry.
Only position the jack atthe appro priate
jacki ngpointofthe vehicle. The base ofthe
jack mustbep ositioned vertically,d irectl y
und erthe jacki ngpointofthe vehicle.
! Only
position the jack atthe appro priate
jacki ngpointofthe vehicle. Othe rwise, you
cou ldda mag ethe veh icle.
Obs erve thefollowi ng when raising thevehi-
cle :
R To raise the vehicle, only uset he veh icle-
spe cificjack that hasb eent este dand
ap pro ved byMer cedes-Be nz.Ifus ed inco r-
rectl y,the jack couldtip ove rwitht he veh i-
cle raised .
R The jack isdes igned only toraise and hold
the vehiclef or as horttime whileaw heel
is bei ng cha nged .Itm ustn ot be used for
per formi ngmai ntenance workund erthe
veh icle.
R Avoi dchanging thewheel onuphilla nd
dow nhillslopes .
R Befo reraising thevehicle, secu reitfrom
rol ling away by applying the parking brake
and inserting wheel chocks .Don otdisen-
ga ge the parking brakewhilet he veh iclei s
rai sed .
R The jack mustbep lace do naf irm,flata nd
non-sl ipsurfa ce. Onaloo se surfa ce, alarge ,
fla t,load -bea ring underlay mus tbeu sed. On
as lipp ery surfa ce, anon-sl ipund erlay mus t
be used, e.g. rubber mats .
R Do not usew oodenb locks orsim ilar obje cts
as ajack underlay.O the rwise, the jack will
not beableto ach ieve its load -bea ring capa-
city duet ot he res tricte dheight.
R Ma kesure that thedistance betweenthe
und ersideo fthe tire sand the ground does
not excee d1.2in(3 cm).
R Neve rplace your hands and feetunder the
rai sed vehicle.
R Do not lieu nder the vehicle.
R Do not startthe engi newhen the vehiclei s
rai sed . R
Do not openorclose ad ooro rthe trunk lid
wh en the vehiclei sr aised .
R Ma kesure that noper sons arepresent in
the vehiclew hent he veh iclei sr aised . X
Usi nglugw rench 0043,l oosent he boltson
the wheel youw isht oc hange byabou to ne
ful lturn. Donot unscrew theboltscom-
pl etel y. The
jacki ngpoints are locate djust behindthe
front wheel hou sing sand just infront ofthe
rea rwheelhou sing s(arrow s).
Vehi cles with AMG equipmen t:the vehicle
ha sc ove rsinsta lled topro tect thevehicle
bod ynext tothe jacki ngpoints onthe outer
sil ls. Cha
ngingaw heel
291Whe elsa nd tires Z

!
To
prevent damage tothe paintwork, hold
the wheel securely againstthe wheel hub
while screwing inthe first wheel bolt. X
Clea nthe wheel andwheel hubcont actsur-
faces.
X Slide thewheel tobe mounted ontothe
alignment boltandpush iton.
X Tighten thewheel boltsuntiltheyarefinger-
tight.
X Unscrew thealignment bolt.
X Tighten thelast wheel boltuntil itis finger-
tight.
X Vehicles
withacollapsible sparewheel:
inflate thecollapsi blespare wheel
(Y page 296).
Only thenlower thevehicle.
Low ering thevehicl e G
WARNING
The wheels couldcome looseifthe wheel
bolts orwheel nutsarenot tightened tothe
prescribed tighteningtorque.Thereisar isk
of an accident.
Ensure thatthewheel boltsorwheel nuts
are tightened tothe prescribed tightening
torque.
If you arenot sure, donot move thevehicle.
Contact aqualified speciali stworkshop and
have thetightening torquechecked immedi-
ately.
! Vehicles
withacollapsible spare
wheel :before lowering thevehicle, inflate
the collapsi blespare wheel withthetire
inflation compressor. Thewheel rimcould
otherwise bedamage d. X
Turn thecrank ofthe jack counter-c lockwise
until thevehicle isonce againstanding
firmly onthe ground.
X Place thejack toone side. X
Tighten thewheel boltsevenly inac ross-
wise pattern inthe sequence indicated(0043
to 0083). Thespecified tightening torqueis
96 lb-ft (130 Nm).
X Turn thejack back toits initial position.
X Stow thejack andtherest ofthe vehicle
tools inthe trunk again.
X Vehicles withAMG equipment: insertthe
cover intotheouter sill.
X Check thetire pressure ofthe newly moun-
ted wheel andadjust itifnecessary.
Observe therecommended tirepressure
(Y page 271).
When youaredriving withthecollapsi ble
spare wheel mounted, thetire pressure loss
warning systemorthe tire pressure monitor
cannot function reliably.Only restart thetire
pressure losswarning systemortire pressure
monitor whenthedefective wheelhasbeen
replaced withanew wheel.
Vehicles withatire pressure controlsys-
tem: allinstalled wheelsmustbeequip ped
with functionin gsensors. Wheel
andtirecombination s
You canaskforinformation regardingpermit-
ted wheel/tire combinations atan authorized
Mercedes-Benz Center.
! For
safety reasons, Mercedes-Benz recom-
mends thatyouonly usetires andwheels
which havebeen approved byMercedes-
Benz specificall yfor your vehicle. Wheel
andtirecombin ations
293Wheels andtires Z

These
tireshave been specially adaptedfor
use with thecont rolsystems, suchasABS
or ESP ®
,a nd are marked asfollows:
R MO =Mercedes- BenzOriginal
R MOE =Mercedes- BenzOriginal Extended
(tires featuring run-flatcharact eristics)
R MO1 =Mercedes- BenzOriginal (onlycer-
tain AMG tires)
Mercedes- BenzOriginal Extended tiresmay
only beused onwheels thathave been spe-
cifically approved byMercedes- Benz.
Only usetires, wheels oraccessories tested
and approved byMercedes- Benz.Certain
charact eristics, e.g.handling, vehiclenoise
emissions orfuel consumpt ion,may other-
wise beadversely affected.Inaddition,
when driving withaload, tiredimension var-
iations couldcause thetires tocome into
cont actwith thebodywork andaxle compo-
nent s.This could result indamage tothe
tires orthe vehicle.
Mercedes- Benzaccepts noliabil ityfor dam-
age resulting fromtheuse oftires, wheels
or accessories otherthanthose testedand
approved.
Infor mation ontires, wheels andapproved
combinat ionscanbeobtained fromany
qualified specialist workshop.
! Retreaded
tiresareneither testednor rec-
ommended byMercedes- Benz,since previ-
ous damage cannotalway sbed etect edon
retreaded tires.Asaresult, Mercedes- Benz
cann otguarantee vehiclesafetyifretreaded
tires aremounted. Donot mount usedtires
if you have noinform ationabout theirprevi-
ous usage.
The recomm endedpressures forvarious oper-
ating condit ionscanbefound:
R on the Tire andLoading Information placard
on the B-pillar onthe driver's side
R in the tire pressure tableonthe fuel filler
flap
Observe thenoteson recomm endedtirepres-
sures under various operating conditions
(Y page 271).
Check tirepressures regularly,andonly when
the tires arecold. Comply withthemainte-
nanc erecomm endations ofthe tire manufac-
turer inthe vehicle document wallet. Notes
onthe vehicle equipment –alway s
equip thevehicle:
R with tires ofthe same sizeonagiven axle
(left andright)
R with thesame typeoftires atag iven time
(summer tires,winter tires,MOEx tended
tires)
Exc eption: itis permissible tomount adif-
ferent typeormake inthe event ofaflat
tire. Observe the"MOExt endedtires(tires
with run-flatcharact eristics)" section
(Y page 254).
Vehicles equipped withMOEx tended tiresare
not equipped withaTIREFIT kitatthe factor y.
It is therefor erecomm endedthatyouaddition-
ally equip yourvehicle withaTIREFIT kitifyou
mount tiresthatdonot feature run-flatcharac-
terist ics,e.g. winter tires.ATIREFIT kitmay be
obtained fromaqualified specialist workshop. Emergency
sparewheel Import
antsafety notes G
WARNIN
G
The wheel ortire size aswell asthe tire type
of the spare wheel oremergenc yspare
wheel andthewheel tobe replaced maydif-
fer. Mountin gane mergenc yspare wheel
may severely impairthedriving charact eris-
tics. There isar isk ofan accident .
To avoid hazardous situations:
R adapt yourdriving styleaccording lyand
drive carefully.
R never mount morethanonespare wheel
or emergenc yspare wheel thatdiffers in
size.
R only useaspare wheel oremergenc y
spare wheel ofad ifferent sizebriefly.
R do not switch ESP®
off.
R have aspare wheel oremergenc yspare
wheel ofad ifferent sizereplaced atthe
nearest qualified specialist workshop.
Observe thatthewheel andtiredimen-
sions aswell asthe tire type must becor-
rect . 294
Emergency
sparewheelWheels andtires

When
usinganemergen cyspare wheel or
spare wheel ofad ifferen tsize, you must not
exceed themaximum speedof50 mph
(80 km/ h).
Sno wchains mustnotbemount edon emer-
gency sparewheels. General
notes
You canaskforinform ationregarding permit-
ted emergen cyspare wheels atan authorized
Mercedes- BenzCenter .
You should regularly checkthepressure ofthe
emergen cyspare wheel, particularly priorto
long trips, andcorrectthe pressure asneces -
sary (Ypage 271). Thevalue onthe wheel is
valid.
An emergen cyspare wheel mayalsobemoun-
ted against thedirect ionofrotat ion.Observe
the time restriction onuse aswell asthe
speed limitation specifiedonthe emergen cy
spare wheel.
Replace thetires after sixyears atthe latest,
regardless ofwear. Thisalso applies tothe
emergen cyspare wheel.
When youaredriving withthecollapsible
spare wheel mounted,the tire pressure loss
warning systemorthe tire pressure monitor
cann otfunct ionreliably. Onlyrestart thetire
pressure losswarning systemortire pressure
monit orwhen thedefect ivewheel hasbeen
replaced withanew wheel.
Vehicles withtirepressu remonitor :after
mount inganemergen cyspare wheel, thesys-
tem may stilldisplay thetire pressure ofthe
removed wheelforafew minutes .The value
displayed forthe mount edemergen cyspare
wheel isnot thesame asthe curren ttire pres-
sure ofthe emergen cyspare wheel. Removing
theemergency spare
wheel
Vehicles withacollapsible spare
wheel The
collapsible sparewheel canbefound in
the stowage wellunder thetrun kfloor
(Y page 228). X
Turn retainin gscrew 0044count er-clockwise
and remove it.
X Remove collapsible sparewheel 0043.
Always observe theinstruction sand safety
not esinthe "Mountin gawheel" section
(Y page 290). Stowing
theemergency sparewheel
! Only
place thecollapsible sparewheel in
the vehicle whenitis dry. Other wise, mois-
ture may getinto thevehicle.
Take thefollowing stepstostow aused col-
lapsible sparewheel. Otherwise, thecollapsi-
ble spare wheel willnotfitinthe trun kint he
inten dedmann er.Mercedes- Benzrecom-
mends thatyouhave thiswork carried outata
qualified specialist workshop.
X Unsc rewthevalve capfrom thevalve.
X Ifpossible, unscrewthe valve insert from
the valve andrelease theair.
Fully deflating thetires cantake afew
minutes .
X Scr ew the valve insert backintothevalve.
X Scr ew the valve capback on.
X Pull theprotec tivesheet provided withthe
spare wheel overthecollapsible spare
wheel.
X Stow the collapsible sparewheel inthe
emergen cyspare wheel wellunder the
trun k.
X Use theretainin gscrew topierce thepro-
tect ivesheet andfasten thecollapsible
spare wheel inplace. Emergency
sparewheel
295Wheels andtires Z

Infla
ting thec olla psible sparew heel
! In
flat ethe collaps iblespar ewhee lusin g
th et irei nflat ion compr essorbef ore lower ing
th ev ehicle. The whee lrim could other wise
be damag ed.
! Do
noto per ate thet irei nflat ion compr es-
sor forlonger than eigh tminute satat ime
wit hout abreak. Itmay other wise overheat.
The tire inflat ion compr essorcan beoper -
ate dagain once ithas cooled down .
X Moun tthe collaps iblespar ewhee lasd esc ri-
bed (Ypage 290).
The collaps iblespar ewhee lmust bemoun -
te db efore itis inf lat ed.
X Remo vethet irei nflat ion compr essorfrom
th es towage spaceunder thet runk floor
(Y page 253). X
Pull plug 0085out oftheh ous ing.
X Tak ethe filler hos eoutoftheh ous ing.
X Inser tthe yellow hoseconnect orofthef iller
hos eintot he guide intheh ous ing and push
it int ot he fixtur eu ntilth eh osec onnect or
en gage s.
X Remo vethec ap from thev alveo nthe col-
lapsi blespar ewhee l.
X Sc rew unio nnut0043 onthef iller hos eonto
th ev alve.
X Mak esuret he tire inflat ion compr essor's
on /o ffswit ch0083 isset toOFF .
X Inser tplug 0085intot he soc keto fthe ciga-
ret teligh tero rint oa1 2Vp ower socketin
your vehicle.
X Turn theS martKey topos ition 0047inthei gn i-
ti on lock(Ypage 118). X
Pre sson/o ffswit ch0083 onthet irei nflat ion
co mpr essortoON .
The tire inflat ion compr essorisswit ched on.
The tire isinf lat ed. The tire pre ssur eis
sho wnonpre ssur egauge 0087.
X Inflat ethe tire to thes pec ifiedtirep ressur e.
The spec ifiedtirep ressur eisp rintedo nthe
yellow labelofthee me rge ncys par ew hee l.
X When thes pec ifiedtirep ressur ehasbeen
reac hed, presson/o ffswit ch0083 toOFF ,on
th et irei nflat ion compr essor.
The tire inflat ion compr essorisswit ched off.
X Turn theS martKey topos ition 0092inthei gn i-
ti on lock.
X Ifth et irep ressur eish igh erthan thes pec i-
fie dp ressur e,pre sspre ssur erelease but-
to n0044 untilth ec orrect tire pre ssur ehas
been reached.
X Un screw unio nnut0043 onthef iller hos e
fr om thev alve.
X Sc rew thec ap onto thev alveo fthe collaps i-
ble spar ewhee lagain . X
To rem ove thef iller hos efromt hetire infla-
ti on compr essor,push down ther ocker
swit chon theh osec onnect orand pullout
th ef iller hos e.
X Stow plug 0085and thef iller hos eint he lower
sec tion ofthec om press orhous ing.
X Stow thet irei nflat ion compr essorinthe
veh icle. 296
Emer
gency sparew heelWh eels andtire s