2019 MERCEDES-BENZ SLC ROADSTER wheel size

The
TINismade upofmanufact ureridentific a-
tion code 0044,tire size 0087,tire type code 0085
and manufact uringdate0083.
DOT (Departm entofTra nsport ation): tire
symbol 0043marks thatthetire complies with
the requirement sof the U.S. Departm entof
Transport ation.
Manufa ctureridentification code:manufac-
turer identific ationcode0044provides detailson
the tire manufact urer.Newtireshave acode
with twosymbols. Retreaded tireshave acode
with foursymbols.
For further informationabout retreaded tires,
see (Ypage 292).
Tire size: identifier 0087describes thetire size.
Tire typecode: tiretype code 0085can beused
by the manufact urerasacode todescribe
specific characteristics ofthe tire.
Date ofmanu factur e:date ofmanufact ure
0083 provides informationabout theage ofa
tire. Thefirst andsecond positions represent
the week ofmanufact ure,start ingwith "01"
for the first calendar week.Positions threeand
four represent theyear ofmanufact ure.For
example, atire that ismarked "3214"was
manufact uredinweek 32in2014 .
i Tire
data isvehicle-spec ificand may devi-
ate from thedata inthe example.
Tire chara cteristics This
inform ationdescribes thetype oftire cord
and thenumber oflayers insidewall 0043and
under tiretread 0044.
i Tire
data isvehicle-spec ificand may devi-
ate from thedata inthe example. Definition
ofterm sfor tires andload-
ing Tire
plycomposition andmaterial used
Descr ibesthenumber ofplies orthe number
of layers ofrubber-coat edfabric inthe tire
tread andsidewall .These aremade ofsteel,
nylon, polyester andother materials.
Bar
Metric unitfortire pressure. 14.5038pounds
per square inch(psi) and100 kilopascals (kPa)
are the equivalent of1bar.
DOT (Departm entofTransport ation)
DOT- marked tiresfulfill therequirement sof
the USDepartm entofTransport ation.
Norm aloccupant weight
The number ofoccupant sfor which thevehicle
is designed multiplied by68 kilograms
(150 lbs).
Uniform TireQuality Grading Stand ards
A uniform standard tograde thequality oftires
with regards totread quality, tiretract ionand
temperat urecharact eristics. Thequality grad-
ing assessment ismade bythe manufact urer
following specification sfrom theU.S. govern-
ment .The ratings aremolded intothesidewall
of the tire.
Recommended tirepressur es
The recomm endedtirepressure appliestothe
tires mounted atthe factor y.
The Tire andLoading Information placard con-
tains therecomm endedtirepressures forcold
tires onafully loaded vehicle andforthe maxi-
mum permissible vehiclespeed.
The tirepressure tablecontains therecom-
mended pressures forcold tires forvarious
operating conditions,i.e.differing loadand
speed conditions.
Increased vehicleweightduetooptional
equipm ent
The combined weightofall standard and
optional equipment availablefor the vehicle,
regardless ofwhether itis actually installed on
the vehicle ornot . 286
All
about wheelsand tiresWheels andtires

Tread
The partof the tire thatcome sinto conta ct
wi th the road.
Bead The tirebead ensu resthatthe tire sits
sec urelyon the wheel.The rearesev eralstee 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 inedwe ight ofthos eop tio nal extra s
tha twe igh mor etha nthe replaced standa rd
pa rts and moretha n2.3 kg(5lbs).The se
op tio nal extra s,su ch ashigh-p erform ance
bra kes, level contro l,a roo fra ck orahigh-p er-
form ance battery ,ar enot included inthe curb
we ight and theweight ofthe acce ssories.
TIN (Tire Ide ntificatio nNumbe r)
Thi sis auni queidenti fierwh ich can beused
by atire manuf actu rertoidenti fytire s,for
exa mpl efor apro duct reca ll, and thusid enti fy
the purcha sers.The TINisma de up ofthe
ma nuf actu rer'sidenti tycod e,tire size, tire
typ ecod eand themanuf actu ring date.
Lo ad bearin gin dex
The load bearing index(also load index) isa
cod etha tconta insthe maximu mload bearing
cap acityof atire .
Tracti on
Tra ctio nis the resultof frictio nbe twe enthe
tire sand theroadsu rfa ce.
Treadw earindic ators
Na rro wba rs (tre adwearbars) thatar edistri b-
ute dove rthe tire trea d.Ifthe tire trea dis level
wi th the bars, the wearlimit of00CD in(1.6 mm)
ha sbe en rea che d.
Oc cupant distrib utio n
The distri butio nof occu pants inaveh icleat
thei rde signa ted seating positio ns.
Total load limit
Nom inallo ad and lugga geload plus 68 kg
(15 0lbs) mu ltiplied by the num berof sea tsin
the vehicle. Ch
ang ingawh eel Fl
at tire
The "Breakdo wnassista nce" section
(Y page 252 )conta insinfo rma tionand note s
on how todealwith afla ttire .Info rma tionon
dri ving with MOExte ndedtire sin the eventofa
fla ttire can befou ndund er"M OExtend edtire s
(ti res with run-fla tcha racteri stics"
(Y page 253 ). Rotati
ngthe wheels G
WA
RNING
Ro tati ngthe fron tand rearwh eelsifthe
wh eelsor tire sha ve diffe rent dimens ions
ma ysev erelyimp airthe driving characteri s-
tics .The servicebra keorwh eelsu spe nsion
comp onents mayal so be dama ged. The reis
a ris kof an acci dent.
Ro tate frontand rearwh eelsonl yif the
wh eelsand tiresar eof the same dimen-
si ons.
! On
veh icles equipp ed with atire pressu re
moni tor,electro niccomp onents arelocate d
in the wheel.
Ti re-m ounting toolssho uld not beused nea r
the valve .Thi scou ldda ma gethe electro nic
comp onents.
Onl yha ve tire scha nge dat aqu alifi ed spe -
cia list wo rksh op.
Alw ayspa yatte ntionto the instructio nsand
sa fety note swh en cha nging awh eel
(Y page 289 ).
The wearpatterns onthe fron tand reartire s
di ffe r,de pendi ng on the opera ting cond itions.
Ro tate thewheelsbe fore acle arwe arpattern
ha sform edon the tires.Front tirestyp ically
we armor eon the shoulde rand reartire sin
the cente r.
On veh icles tha tha ve the same size front and
rea rwh eels,yo ucan rotatethe wheelsacco rd-
ing tothe intervalsin the tire manuf actu rer's
wa rranty book inyour veh icledo cum ents. Ifno
wa rranty book isavaila bl e, the tiressho uld be
rota tedevery3,0 00 to6,0 00 miles(5,000 to
10, 000 km).Dep endingontire wear,thi sma y
be req uired earlier. Do not change thedirec-
tio nof wh eelrota tion. 28
8 Ch
ang ingawh eelWhe elsand tires

These
tireshave been specially adaptedfor
use with thecont rolsystems, suchasABS
or ESP ®
,and aremarked 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 sbe detect 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 270).
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 atagiven 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 253).
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 gan emergenc yspare wheel
may severely impairthedriving charact eris-
tics. There isarisk 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 ofadifferent sizebriefly.
R do not switch ESP®
off.
R have aspare wheel oremergenc yspare
wheel ofadifferent sizereplaced atthe
nearest qualified specialist workshop.
Observe thatthewheel andtiredimen-
sions aswell asthe tire type must becor-
rect . Emergency
sparewheel
293Wheels andtires Z

When
usinganemergen cyspare wheel or
spare wheel ofadifferen tsize, youmust 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 270). 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 227). 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 289). 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 kin the
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. 294
Emergency
sparewheelWheels andtires