2019 MERCEDES-BENZ SL ROADSTER Owner's Manual

Count
ry Ra
dio type approval number lice
nce. L'ex ploit ationest
auth oriseeaux deux condition s
suivan tes.(1) L'app areilnedoit
pas prod uiredebrouil lage,et
(2) L'aut isatuer del'appar eil
doit acceptertout brouil lage
radioe lectrique subi,memesi le
brouil lageestsusc eptible d'en
com prom ettrelefon ction ne-
men t.WARN ING:Chang esor
modi ficatio nsnot expressly
appro vedbythepart yres pon si-
ble forcom plian cecould void
th euser' sauth orityto oper ate
th eequipm ent.The term"IC: "
befo retheradio certificat ion
num beronlysign ifies Canada
tec hnical spec ificatio nswere
met . Canada IC:
2546A-MW2 433A
IC: 2546A-GG4 Thisdevic ecom -
plies withpart15oftheFCC
rules andwith licenseexe mpt
RSS standar dsofIndust ryCan-
ada. Oper ationis subj ecttothe
follo wing condition s.(1) This
devic emay notcause harmful
int erf eren ce,and (2)This devic e
must accept any interf eren ce
rec eived ,inc ludin gint erf eren ce
th at may cause undesiredoper -
atio n.Le pres entappare ilest
con forme d'indust rieCanada
applic ablesauxappare ilsradio
exe mpt sde lice nce. L'ex ploit a-
tio nest auth oriseeaux deux
con dition ssuivan tes.(1) L'ap-
pareil nedoit pasprod uirede
brouil lage,et(2) L'aut isatuer de
l'appar eildoit acceptertout
brouil lageradioe lectrique subi,
mem esi le brouil lageestsus-
cep tibled'en comprom ettrele
fon ction nem ent.WARN ING:
Chang esormodi ficatio nsnot
exp ressly appro vedbythepart y
res pon sible forcom plian ce
could voidtheuser' sauth ority
to oper atetheequipm ent.The
ter m"IC: "befo retheradio cer-
tif icat ion num beronlysign ifies
Canada technical spec ificatio ns
were met. Count
ry Ra
dio type approval number IC:
2546A-MC34 MA4 Load
ingthevehicle Inst
ruction labels fortires and loads G
WAR
NING
Ove rloade dtir es can over heat ,causi nga
blowout .Ove rloade dtir es can also impair
th est eerin gand drivingchar acteris ticsand
lead tobrak efailur e.Ther eis arisk ofacc i-
den t.
Obse rvetheload rating ofthetir es. The load
rat ing must beatleast halfoftheGAWR of
your vehicle.Nev erover load thetir es by
exc eedin gth emax imum load.
Two instruct ion labels onyour vehicle show
th emax imum possibleload.
(1) TheTire andLoadin gIn for mat ionplacar d
is on theB- pillar onthedriv er'sside. The
Tire andLoadin gIn for mat ionplacar d
shows themax imum permissiblenum ber
of occ upant sand themax imum permissi-
ble vehicle load. Italso contain sdet ails of
th etir esiz es and correspon ding pressures
for tires moun tedatthefac tory.
(2) Thevehicle iden tificat ion plat eis on the
B- pillar onthedriv er'sside. Thevehicle
iden tificat ion plat einf orm syou ofthe
gro ssveh icle weight rating .It is made up
of theveh icle weight ,all veh icle occu-
pant s,thefuel andthecar go. You canalso
fin dinf orm ationabout themax imum gross
axle weight rating onthefro ntand rear
axle.
The maximum grossaxle weight rating is
th emax imum weight that can becar ried
by one axle (front orrear axle) .Nev er
exc eed themax imum loadorthemax i-
mum grossaxle weight rating forthefro nt
or rear axle. Load
ingthevehicle
303Wheels andtires Z

0043
B-pil lar, dri ver' ssid e Maxi
mum permis siblegros sveh icle
we ight rating X
Speci fication formaxi mum grossvehi cle
we igh t0043 islisted inthe Tireand Loading
Informa tionplaca rd:"The combi nedweigh t
of occu pants and carg oshou ldnever
excee dXXX kilograms orXXX lbs."
The gros swe igh tof allvehi cleoccu pants, load
and lugga gemus tnot excee dthe specified
val ue.
i The
specificati ons show non the Tireand
Loa ding Informa tionplaca rdinthe illu stra-
tion areexampl es.The maxi mum permis si-
bl e gros svehi cleweigh trati ngisvehi cle-
spe cificand may differ from thatinthe illu s-
trati on.You canfind thevalidmaxi mum per-
mis siblegros svehi cleweigh trati ngfor your
vehi cleonthe Tireand Loading Informa tion
pl aca rd. Number
ofseats Maxi
mum numberofsea ts0043 indi cates the
maxi mum numberofoccu pants allow edto
trave lin the vehi cle. Thisinfor mationcan be
fou ndonthe Tireand Loading Informa tion
pl aca rd.
i The
specificati ons show non the Tireand
Loa ding Informa tionplaca rdinthe illu stra-
tion areexampl es.The numb erofsea tsis
vehi cle-s pecificand candiffer from the
deta ils show n.The numb erofsea tsinyour
vehi clecan befou ndonthe Tireand Load-
ing Informa tionplaca rd. De
termin ingthe correct load limit
Step-b y-stepins tructio ns The
follow ing step shav ebee ndev eloped as
req uired ofallmanu facturersunderTitl e49,
Co de ofU.S. Fede ralRegulations, Part575
pu rsu ant tothe "Nationa lTra ffic and Motor
Veh icleSafe tyAct of1966" .
X Step 1:Loca tethe state ment "The com-
bi ned weigh tof occu pants and carg oshou ld
never exceedXXX kgorXXX lbs." onyour
vehi cle’sTir eand Loading Informa tionplac-
ard .
X Step 2:Determi nethe combi nedweigh tof
the driver and passe ngers thatwillbe riding
in your vehi cle.
X Step 3:Sub tract thecombi nedweigh tof
the driver and passe ngers fromXXXkilo-
gra ms orXXX lbs.
X Step 4:The resu lting figure equalsthe avail-
ab leamo untofcarg oand lugga geload
cap acity. For exampl e,ifthe "XXX"amo unt
equ als1400 lbsand there willbe five 150-lb
pa sse ngers inyour vehi cle, theamo untof 304
Lo
ading thevehic leWhee lsand tires

availabl
ecar goand luggage loadcapac ityis
65 0lbs (1400-75 0(5 x15 0)=65 0lbs).
X Step 5:De term ine thecom bined weigh tof
luggage andcargobein gloaded ontheveh i-
cle .That weigh tmay notsafe lyexc eed the
availabl ecar goand luggage loadcapac ity
calc ulate din step 4. Exam
ple:steps 1to 3
The followin gtab leshow sexam plesonhow to
calc ulate total and cargoload capac ities with
var ying seatingcon figur ationsand num berand
siz eof occ upant s.The followin gexam plesuse
a load limit of15 00 lbs (680kg). Thisisfor
illus trat ion purposes only. Makesure you
are usin gth eact ual load limit foryour vehicle
st ate don your vehicle'sTire andLoadi ngInfor -
mat ionplacar d(Y page 303).
The greaterth ecom bined weigh tof theocc u-
pant s,thelower themax imum luggage load.
St ep 1 Exam
ple1 Exam
ple2 Comb
inedmax-
imu mweight
of occup ants
and cargo
(da tafrom the
Tir eand Load -
ing Infor ma-
tion placar d) 15
00 lbs
(68 0kg) 15
00 lbs
(68 0kg) St
ep 2 Exam
ple1 Exam
ple2 Nu
mb erofpeo-
ple inthevehi -
cle (driver and
occup ants) 1 2
Weigh
tof the
occup ants Oc
cu-
pant 1:
17 5lbs
(80 kg) Oc
cu-
pant 1:
17 5lbs
(80 kg)
Oc cu-
pant 2:
19 5lbs
(88 kg) Gr
oss weight
of all occu-
pa nts 17
5lbs
(80 kg) 37
0lbs
(16 8kg) St
ep 3 Exam
ple1 Exam
ple2 Per
mis sible
load (maxi-
mu mgro ss
vehi cleweight
ra tin gfrom
th eTir eand
Load ingInfor -
ma tion plac-
ar dmin usthe
gro ssweight
of all occu-
pa nts ) 15
00 lbs
(68 0kg) 00F8
17 5lbs
(80 kg)=
13 25 lbs
(60 0kg) 15
00 lbs
(68 0kg) 00F8
37 0lbs
(16 8kg) =
11 30 lbs
(51 2kg) Veh
icle iden tificat ionplate
Ev en ifyou have calculate dth eto tal car go
car efully, youshoul dstill mak esure that the
gro ssveh icle weigh trat ing and thegro ssaxle
weigh trat ing are notexc eeded .De tail scan be
foun don theveh icle iden tificat ion plat eon the
B- pillar onthedriv er'sside oftheveh icle
(Y page 303).
Per mis sible grossvehi cleweight :th egro ss
weigh tof theveh icle,all passe ngers and the
load must notexc eed theperm issiblegro ss
veh icle weigh t. Load
ingthevehicle
305Wheels andtires Z

Gross
AxleWeig htRating (GAWR) :the maxi-
mum permiss iblewei ght that canbecarried by
one axle (front orrear axle) .
To ensure thatyourvehicle doesnotexceed
the maximu mpermiss iblevalu es(gross vehi-
cle weight and maximu mgross axleweight rat-
ing), have yourloa ded vehicle (includingdriver,
occupa ntsand theload)wei ghed onasuita ble
vehicle weighbrid ge. All
about wheelsand tires Unifo
rmTire Quality Grading Stand-
ards
Overvie wof Tire Quality Grading
Standards Uniform
TireQual ityGrad ingStandards are
U.S. government specifications. Theirpurpose
is to provid edrivers withuniform reliableinfor-
mation ontire performa ncedata. Tiremanu-
facturers havetograde tiresusing threeper-
formance factors:0043tread weargrade ,0044
traction gradeand0087temperatu regrade .
These regulations donot applyto Cana da.
Neverthele ss,alltires soldinNorth America
are provid edwith thecorrespondi ngqua lity
gradi ngmarkings onthe sidew allofthe tire.
Qual itygrade scan befound, whereapplicable,
on the tire sidew allbetwee ntread shoulder
and maximu msection width.
Example:
R Treadwear grade:200
R Traction grade:AA
R Temperatur egrade: A
All passe ngercartires must conform tothe
statutory safetyrequirements inadd ition to
these grades. i
The
actual valuesfor tires arevehicle -spe-
cific andmay devia tefrom thevalu esinthe
ill ustration.
Treadwear The
treadw eargrade isacompara tiverating
base don the wea rrate ofthe tire when tested
under controlled conditions onaspecifi edU.S.
government course.Forexampl e,atire grade d
150 wouldwea rone andone-half timesaswel l
on the government testtrack asatire grade d
100.
The relative performa nceoftires depends
upon theactual conditions oftheir use,how-
ever, andmay depa rtsignifi cantly fromthe
norm duetovaria tions indriving habits,ser-
vice practices anddifferences inroad charac-
teristics andclimate.
Traction G
WARNING
The traction gradeassigned tothis tireis
base don straight-ahe adbraking traction
tests, anddoes notinclud eaccelera tion,
cornering, hydroplaning, orpeak traction
characteris tics.
! Avoid
wheelspin.This canleadto dama ge
to the drive train.
The traction grades– from highe stto lowe st–
are AA, A,Band C.Those gradesreprese ntthe
tire's ability tostop onwet paveme ntas meas-
ured under controlled conditions onspecifi ed
government testsurface sof aspha ltand con-
crete. Atire marked Cmay have poortraction
performa nce.
The safe speed onawet, snow covered oricy
road isalw ayslowe rthan ondry road surfa-
ces.
You shoul dpay specia lattention toroad con-
ditions whentemperatu resare arou ndfreezing
point.
Mercedes -Benzrecommends aminimum tread
depth of00CF in(4 mm) onallfour winter tires.
Observe thelega llyrequi redminimum tire
tread depth (Ypage 294). Winter tirescan
reduce thebraking distance onsnow-covered
surface sin compari sonwith summer tires.The
braking distance isstill much further thanon 306
Al
labout wheelsand tiresWheel sand tires

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

Summ
er
tires Index Speed
rating ZR...(..
Y) over
186mph (300km/h) ZR over
149mph (240km/h) R
Optionally, tireswithamaximum speedof
over 149mph (240 km/h) mayhave "ZR"in
the size description, dependingonthe man-
ufacturer (e.g.245/ 40ZR18 ).
The service specification ismade upofload-
bearing index0083and speed rating0084.
R Ifthe size description ofyour tireincludes
"ZR" andthere arenoservice specifications,
ask thetire manufacturer inorder tofind
out themaximum speed.
If aservice specification isavaila ble,the
maximum speedislimited according tothe
speed ratinginthe service specification.
Example: 245/40ZR18 97Y.Inthis exam-
ple, "97Y"isthe service specifica tion.The
letter "Y"represents thespeed rating. The
maximum speedofthe tire islimi ted to
186 mph (300 km/h).
R The size descriptio nfor alltires withmaxi-
mum speed sof over 186mph (300 km/h)
must include "ZR",and theservice specifi-
cation mustbegiven inparentheses .Exam-
ple: 275/40 ZR18 (99 Y).Speed rating"(Y)"
indicates thatthemaximum speedofthe
tire isover 186mph (300 km/h). Askthe
tire manufacture rabou tthe maximum
speed . All
-
weather
tires
and win-
ter tires Index Speed
rating Q
M+S 1 up
to100 mph (160 km/h) T
M+S 1 up
to118 mph (190 km/h) H
M+S 1 up
to130 mph (210 km/h) V
M+S 1 up
to149 mph (240 km/h) i
Not
alltires withtheM+S marking provide
the driving characteristics ofwinter tires.In
addi tion tothe M+S marking, wintertires
also have the004D snowfla kesymbo lon the
tire wall.Tires withthismarking fulfillthe
requi rements ofthe Rub ber Manufa cturers
Association (RMA)andtheRub ber Associa-
tion ofCana da(RAC) regard ingthe tire trac-
tion onsnow. Theyhave been especia lly
devel oped fordriving onsnow.
An electronic speedlimiterprevents yourvehi-
cle from exceeding thefollow ingspeed s:
R 130 mph (210 km/h):
- All vehicle s(except Mercedes-AMG vehi-
cles)
R 155 mph (250 km/h ):
- Mercedes-AMG SL63
- Mercedes-AMG SL65
R 186 mph (300 km/h):
- Mercedes-AMG SL63 (Performa ncePack-
age)
- Mercedes-AMG SL65 increased maxi-
mum speed
The speed ratingoftires mounted atthe fac-
tory may behighe rthan themaximum speed
that theelectronic speedlimiterpermits.
Make surethatyourtires have therequi red
speed rating, e.g.when buying new tires. The
requi redspeed ratingforyou rvehicle canbe
found inthe "tires" section (Ypage 318).
Further information aboutreadi ngtire data
can beobtained fromanyqualifiedspecia list
workshop.
Load index In
addi tion tothe load -bearing index,load
index 0043may alsobeimprinted onthe side-
1 Or M+S 004D forwinter tires. Al
labout wheelsand tires
309Wheelsand tires Z

wall
ofthetir e. You willfindth is aft erthelet-
ter that iden tifies thespeed rating
(Y page 307).
R Ifno spec ification isgiven :no text(as inthe
exam pleabove) ,repr esen tsast andar dload
(SL )tir e
R XL orExtra Load: represen tsarein forced
tir e
R Light Load: represen tsalight loadtire
R C, D, E:repr esen tsaload rangethat
depen dson themax imum loadthat thetir e
can carryat acer tain pressure
i Tire
data isvehic le-speci ficand may devi-
ate fromthedata intheexam ple.
Max imumload rating Maxim
umtireload 0043isthemax imum permis-
sible weight forwhich thetir eis approv ed.
Do not over load thetir es by exc eedin gth e
spec ified loadlimit.The maximum permissible
load canbefoun don thevehic le'sTire and
Loadin gIn for mat ionplacar don theB- pillar on
th edriv er's side (Ypage 303).
i The
actual values fortires are vehic le-spe-
cif icand may deviat efro mthevalues inthe
illust ration.
DOT, TireIdent ificationNumber (TIN) US
tireregulat ionsstipulate that ever ytir e
man ufact urerorret reader mustimprintaTIN
in or on thesidewall ofeach tireproduc ed. The
TINisaunique identificat ion num ber. The
TIN enabl esthetir eman ufact urersor ret read-
ers toinform purchaser sof rec alls and other
safet y-relevan tmat ters.Itmak esitposs ible
for thepurc haser toeasily identifyth eaffe cted
tir es.
The TINismade upofman ufact ureridentifica-
tio ncod e0044, tiresiz e0087, tiretype code0085
and man ufact uringdate 0083.
DOT (Depa rtment ofTransp ortation): tire
symbo l0043 mark sth at thetir ecom plies with
th erequir ementsof theU.S .Dep artmen tof
Tran spor tation.
Man ufactu rer ident ification code: manufac-
tur eriden tificat ion code0044 prov ides details on
th etir eman ufact urer.New tires have acod e
with twosymbo ls.Retr eaded tires have acod e
with foursymbo ls.
For further inform ation about retreaded tires,
see (Ypage 318).
Tir esize: identifier 0087 desc ribes thetir esiz e.
Tir ety pe code: tiretype code0085 can beused
by theman ufact urerasacod eto desc ribe
spec ificchar acterist icsofthetir e.
Dat eof ma nuf acture: date ofman ufact ure
0083 prov ides inform ation about theage ofa
tir e. The firstand second posit ionsrepresen t
th eweek ofman ufact ure,start ing with "01"
for thefirs tcalen darweek .Posit ionsthree and
four represen tth eyear ofman ufact ure.For
exam ple,atir eth at ismark ed"321 4"was
man ufact ured inweek 32in20 14.
i Tire
data isvehic le-speci ficand may devi-
ate fromthedata intheexam ple. 310
All
abou twheels andtiresWh eels andtires