2019 MERCEDES-BENZ SL ROADSTER load capacity

Tire
-chan getoo lkit The
tire-cha nge tool kitcan befou ndinthe
stow agewe llund erthe trunk floor
(Y page 252 ). 0043
Bag conta ining the tire-cha nging tool s
Bag 0043with the tire-cha nging tool sconta ins:
R jack
R lug wr ench
R alig nment bolt
R wh eelcho ck
R glove s
Dep endingonthe equipme nt,tool sreq uired
for awh eelcha nge ,su ch asajack oralug
wr ench ,ar enot availabl e in allveh icles. Tools
ap pro ved foryour veh iclear eav ailabl e at a
qu alifi ed speci alistwo rksh op. Fl
at tire Pre
parin gthe vehic le
Yo ur veh iclema ybe equipp ed with:
R tire swi th run-fl atcha racteri stics
(M OExte ndedtire s)(Y page 278 )
Veh iclepre paratio nis not nece ssaryon
veh icles with MOExte ndedtire s.
R aTIR EFIT kit(Ypage 277 )
Veh icle swi th the Merce des -Benzeme r-
ge ncyca llsys tem: inthe eventofafla ttire ,
yo ucan conta ctthe Merced es-Benz emer-
ge ncy callsy stem custome rcente r.
Veh icles equipp ed with MOExte ndedtire sar e
not equipp ed with aTIR EFIT kitatthe factory .
It is the refore reco mme ndedtha tyo uad ditio n-
al ly eq uip yo ur veh iclewi th aTIR EFIT kitifyo u
mou nttire stha tdo not featureru n-fl atcha rac-
teri stics, e.g.wi nter tires.ATIR EFIT kitmaybe
ob tained fromaqu alifi ed speci alistwo rksh op. Info
rma tionon cha nging and mou nting wheels
(Y page 313 ).
X Stop thevehicleon solid,non-s lipp ery and
le vel ground ,as faraw ay aspossi ble fro m
tra ffic.
X Swi tch onthe hazar dwa rning lamps .
X Secu rethe vehicleag ainst rolling away
(Y page 146 ).
X Ifpo ssi ble, bri ng the frontwh eelsinto the
stra ight-a head positio n.
X Swi tch offthe engine.
X Veh icle swi tho utKEYLES S-GO :rem ove
the Sma rtKeyfro mthe igniti onlock.
X Veh icle swi th KEYLES S-GO :op en the driv-
er' sdo or.
The vehicleelectro nicsarenow inpo sitio n
005A. Thisis the same asthe Sma rtKeyha vin g
be en rem oved.
X Veh icle swi th KEYLES S-GO :rem ove the
Star t/Stop button fromthe igniti onlock
(Y page 126 ).
X Ma kesure tha tthe passe nge rsarenot
end angeredas the ydo so. Makesure tha t
no one isnea rthe dange rar ea while a
wh eelis be ing change d.Anyo newhois not
di rectl yas sisti ng inthe wheelcha nge
sho uld, for exa mpl e,sta nd behind the bar-
rie r.
X Ge tou tof the vehicle. Pa yatte ntionto tra f-
fic cond itions when doing so.
X Close thedriver 'sdo or. MOE
xtende dtire s(ti res with run-f lat
prope rties)
Ge neral notes Wi
th MOExte ndedtire s(ti res with runfla t
cha racteri stics) ,yo ucan conti nuetodrive your
veh icleeve nif the reisatota llo ss ofpre ssu re
in one ormor etire s.The affecte dtire mustnot
sho wany clearly vis ible da ma ge.
Yo ucan reco gnizean MOExte ndedtire bythe
MOExte ndedma rkin gwh ich appe arson the
si de wa llof the tire.Yo uwi llfind thisma rkin g
next tothe tire size designa tion,the load -be ar-
ing capacityand thespee dind ex
(Y page 307 ).
MOExte ndedtire sma yonl ybe used incon-
juncti onwith an acti vetire pressu remoni tor. 27
8 Fl
at tireBreak downass istanc e

surfaces
thatarenot icyorcovered withsnow.
Take appropria tecare when driving.
Temper ature G
WARNING
The temperature gradeforthis tireisestab-
lished foratire that isproperly inflatedand
not overloaded .Exc essive speed, underinfla-
tion, orexcessive loading,either separately
or incombination, cancause excessive heat
buil d-up andpossible tirefailu re.
The temperature gradesareA(the highest), B,
and C,representing thetire's resistance tothe
generation ofheat anditsabil itytodissipa te
heat when tested undercontrolled conditions
on aspecified indoorlaboratorytestwheel.
Sustained hightemperature cancause the
material ofthe tire todegenerate andreduce
tire life, and excessive temperature canlead to
sudden tirefailu re.The grade Ccorresponds
to alevel ofperformance whichallpassenger
car tires must meet under theFederal Motor
Vehicle SafetyStandard No.109. Grades B
and Arepresent higherlevelsofperformance
on the labora torytestwheel thantheminimum
required bylaw. Tire
labeli ng
Overview 0043
Uniform TireQuali tyGradi ngStandard
(Y page 311)
0044 DOT, TireIdentification Number
(Y page 310)
0087 Maximum tireload (Ypage 310)
0085 Maximum tirepressure (Ypage 299)
0083 Manufacturer
0084 Tire material (Ypage 311)
006B Tire size designation, load-bearingcapacity
and speed rating(Ypage 307)
006C Load index (Ypage 309)
006D Tire name
The markings described aboveareonthe tire
in addition tothe tire name (sales designation)
and themanufacturer's name.
i Tire
data isvehicle-specific andmay devi-
ate from thedata inthe example.
Tire size designation, load-bearing
capacity andspeed rating G
WARNING
Exc eeding thestated tireload-bea ringcapa-
city and theapproved maximum speed
could leadtotire damage orthe tire burst-
ing. There isarisk ofaccident.
Therefore, onlyusetiretypes andsizes
approved foryour vehicle model.Observe All
about wheelsand tires
307Wheels andtires
Z

the
tire load rating andspee dra ting
req uired foryour veh icle. 0043
Tire width
0044 Nom inalas pe ct ratio in%
0087 Tire cod e
0085 Rim diam ete r
0083 Loadbe aring index
0084 Spe edrating
Ge neral: dependi ng on the manuf actu rer's
sta nda rds,the size impri nted inthe tire wall
ma ynot conta inany letters orma yconta in
one letter thatpre ced esthe size descri ption.
If the reisno letter preced ingthe size descri p-
tio n(a ssho wnabove ):the searepa sse nge r
veh icletire sacc ording toEur opeanma nuf ac-
tur ing standa rds.
If "P "pre ced esthe size descri ption: theseare
pa sse nge rveh icletire sacc ording toU.S. man-
uf actu ringsta nda rds.
If "L T" pre ced esthe size descri ption: theseare
li ght truck tire sacc ording toU.S. manuf actu r-
ing standa rds.
If "T "pre ced esthe size descri ption: comp act
eme rgency wheelswith high tire pressu retha t
ar eonl yde signe dfor temp oraryusein an
eme rgency .
Tire width: tirewidth 0043sho wsthe nomi nal
tire width inmi llim ete rs.
He ight-w idth ratio :as pe ct ratio 0044 isthe size
ra tio betwe enthe tire height and tirewidth
and issho wninpe rcen t.The aspe ct ratio is
cal cul ate dby divid ing the tire width bythe tire
he ight.
Tire code: tire code0087 speci fiesthe tire type.
"R "rep resents radial tire s;"D" represents
di ag ona ltire s;"B" represents diag ona lra dial
tire s. Op
tional ly,tire swi th ama xim um spee dof ove r
149 mph (240km/h )ma yha ve "ZR" inthe
si ze descri ption, dependi ng on the manuf ac-
tur er(e.g. 245/4 0ZR 18) .
Rim diamete r:rim diam ete r0085 isthe diam e-
ter ofthe bead seat, not thediam ete rof the
rim flange .Th erim diam ete ris sp eci fiedin
inch es(in).
Lo ad-b earingin dex :lo ad -be aring index0083 is
a num erical cod etha tsp eci fiesthe maxim um
lo ad -be aring capacityof atire .
Do not overload the tiresby exce eding the
sp eci fiedload limi t.Th ema xim um permi ssible
lo ad can befou ndonthe vehicle'sTire and
Loa ding Info rma tionplaca rdon the B-pi llar on
the driver 'sside (Ypage 303) .
Exam ple:
Loa d-bearin gind ex91 indicates ama xim um
lo ad of1,3 56 lb(615 kg)tha tthe tirescan
be ar.For furthe rinf orm ation onthe maxim um
tire load inkilog rams and lbs, see
(Y page 310 ).
For furthe rinf orm ation onthe load bearing
ind ex, see"L oa dind ex" (Ypage 309) .
Spe edratin g:spee dra ting 0084speci fiesthe
ap pro ved maxim um spee dof the tire.
i Ti
re data isveh icle-s pecificand mayde vi-
ate fromthe data inthe exampl e.
Re gardl essof the spee dra ting ,al wa ysobserve
the spee dlimi ts. Drivecar efully and adapt
yo ur drivin gsty leto the trafficcond itions . Summe
r
tire s In
dex Spe
edratin g Q up
to100 mph (160km/h ) R up
to106 mph (170km/h ) S up
to112 mph (180km/h ) T up
to118 mph (190km/h ) H up
to130 mph (210km/h ) V up
to149 mph (240km/h ) W up
to168 mph (270km/h ) Y up
to186 mph (300km/h ) ZR
...Y up
to186 mph (300km/h ) 30
8 Al
labo utwhee lsan dtire sWhe elsand tires