2019 MERCEDES-BENZ SLC ROADSTER technical data

Overview
ofthe engine compart-
ment ....................................................2 44
ASSYST PLUS......................................244
Ca re....... .............. ................................245 Breakdow
nassi stanc e....... .............. 251
Where willIfind...? ..............................251
Flat tire....... ......................................... 252
Battery (vehicle)....... ........................... 257
Ju mp-starti ng....... ................................260
Tow ingand tow-starti ng....... ...............263
Fuse s....... ............................................265 Whee
lsand tires ...............................267
Importa ntsafe tynotes ........................267
Opera tion............................................267
Winter operation....... ........................... 269
Tire press ure....... ................................ 270
Load ingthe vehi cle....... .......................279
All abo utwhe elsand tires ................... 281
Cha nging awhe el....... ......................... 288
Whee land tirecombi nations .............. .292
Emergency sparewhe el....... ................293 Techn
ical data ................................... 296
Informati onrega rding technical data
....... ............................ .......................... 296
Vehi cleelectronics ..............................296
Identifi cationplates ....... ......................297
Service products andfilling capa ci-
ties ....... ............................................... 298
Vehi cledata ......................................... 303 Co
nten ts
3

Problems
withyour vehicle
If you should experience aproblem withyour
vehicle, particularly onethat youbelieve may
affect itssafe operation, weurge youtocon-
tact anauthorized Mercedes-B enzCenter
immediately tohave theproblem diagnosed
and rectified. Ifthe problem isnot resolved to
your satisfaction ,please discuss theproblem
again withanauthorized Mercedes-B enzCen-
ter or,ifnecessary, contactusatone ofthe
following addresses.
In the USA
Mercedes-B enzUSA, LLC
Customer AssistanceCenter
One Mercedes-B enzDrive
Sandy Springs, GA30328
In Canada
Mercedes-B enzCanada, Inc.
Customer RelationsDepartmen t
98 Vanderhoof Avenue
Toront o,Ontario M4G4C9 Report
ingsafety defects
USA only:
The following textispublished asrequired of
manufacturers underTitle49,Code ofU.S.
Federal Regulations, Part575pursuant tothe
"National TrafficandMotor Vehicle SafetyAct
of 1966".
If you believe thatyour vehicle hasadefect
which couldcause acrash orcould cause
injury ordeath, youshould immediately inform
the National Highway TrafficSafety Adminis-
tration (NHTSA )in addition tonotifying
Mercedes-B enzUSA, LLC.
If NHTSA receives similarcomplaints, itmay
open aninvestigation ,and ifit finds thata
safety defect existsinagroup ofvehicles, it
may order arecall andremedy campaign.
However, NHTSAcannotbecome involved in
individual problemsbetweenyou,your dealer,
or Mercedes-B enzUSA, LLC.
To cont actNHTSA ,you may calltheVehicle
Safety Hotline toll-free at
1-88 8-327-4236(TTY: 1-800-424-91 53);go to
htt <0053001D00120012005A005A005A001100560044004900480055004600440055
0011> gov;or write to:
Administ rator,NHTSA ,400 Sevent hStr eet,
SW., Washington, DC20590 . You
canalso obtain otherinformation about
motor vehicle safetyfrom
htt <0053001D00120012005A005A005A001100560044004900480055004600440055
0011> gov Limited
Warrant y
! Observe
thenotes inthis Operator's Man-
ual regarding thecorrect operation ofyour
vehicle andpossible damagetothe vehicle.
Damage tothe vehicle whichiscaused by
violation ofthese notes isnot covered by
the Mercedes-B enzimplied warranty orthe
new orused-vehicle warranty. QR
code forrescue card
The QRcodes aresecured inthe fuel filler flap
and onthe opposite sideonthe B-pillar. Inthe
event ofan accident, rescueservices canuse
the QRcode toquickly findtheappropriate
rescue cardforyour vehicle. Thecurrent res-
cue card contains themost important informa-
tion about yourvehicle inacompact form,e.g.
the routing ofthe electric cables.
You canfind more information athttp: //
<005A005A005A0011005000480055004600480047004800560010004500480051
005D[ .de/qr-code. Data
storage Data
storage
A wide range ofelectron iccomponen tsinyour
vehicle containdata memories.
These datamemories temporarily orperma-
nent lystore technicalinformation about:
R the vehicle's operating state
R incident s
R malfunction s
In general, thistechn icalinformation docu-
ment sthe state ofacomponen t,amodule, a
system orthe surroundings.
These include, forexample:
R operating conditionsof system componen ts.
For example, fluidlevels
R the vehicle's statusmessages andthose of
its individual componen ts,e.g. number of
wheel <0055004800590052004F00580057004C00520051005600120056005300480048
0047000F[ decelerationin
movement ,lateral acceleration, accelerator
pedal position 28
Data
storageIntrodu ction

R
malfu nctions anddefects inimporta ntsys-
tem components, e.g.lights,brakes
R vehicl ereactions andopera tingconditions
in specia ldrivi ngsitua tions, e.g.airbag
depl oyme nt,intervention ofstabi litycontrol
systems
R ambi entconditions, e.g.outsid etempera -
ture
This data isof an exclusi velytechnical nature
and canbeused to:
R assi stinrecognizing andrectifyi ngmalfu nc-
tions anddefects
R anal yzevehicl efunctions, e.g.after anacci-
dent
R optimize vehiclefunctions
The data cannot beused totrace thevehicl e's
movements.
When yourvehicl eis serviced ,technical infor-
mation canberead from theevent datamem-
ory and malfu nction datamemory .
Services include,for exampl e:
R repa irservices
R service processe s
R warra nties
R qua lityassu rance
The vehicl eis read outbyemplo yeesof the
service network (includingthemanufa cturer)
usi ng specia ldia gnostic testers. Moredetailed
informatio nis obtai nedfrom it,ifrequ ired.
After amalfu nction hasbeen rectified ,the
informatio nis dele tedfrom themalfu nction
memory oriscontinual lyoverwri tten.
When operatingthevehicl e,situa tions are
conceivab lein whi chthis technical data,in
connection withother informatio n(if neces-
sary ,under consulta tionwith anauthorized
expert), couldbetraced toaperson.
Examples include:
R accide ntreports
R dama getothe vehicl e
R witness statements
Further additional functions thathave been
contractuall yagree dupo nwith thecustomer
all ow certain vehicledata tobe conveyed by
the vehicl eas wel l.The additional functions
includ e,for exampl e,vehicl elocati onincase
of an emergency . COMA
ND/Me rcedesmeconne ct
(Can ada: TELE AID)
If the vehicl eis equ ippe dwith COMAND or
Mercede sme connect, additional dataabout
the vehicl e'sopera tion,theuse ofthe vehicl e
in certain situations, andthelocatio nof the
vehicl eis compil edthrough COMAND orthe
Mercede sme connect system.
For additional informatio n,plea serefer tothe
COMAND UserManua lor Digital Operator's
Manua land/or theMercede sme connect
Terms andCondi tions. Eve
ntdata recorders
USA only:
This vehicl eis equ ippe dwith anevent data
recorder (EDR).Thisvehicl eis equ ippe dwith
an event datarecorder (EDR).Themain pur-
pose ofan EDR isto record, incertain crashor
near crash-li kesitua tions, suchasan air bag
depl oyme ntor hitting aroad obstacl e,data
that willassi stinundersta ndinghowavehi-
cle's systems performed .The EDR isdesi gned
to record datarelated tovehicl edyna mics and
safety systems forashort periodof time, typi-
call y30 seconds orless.
The EDR inthis vehicl eis desi gned torecord
such dataas:
R How varioussystems inyou rvehicl ewere
opera ting
R Whether ornot thedriver andpass enger
safety beltswerebuckle d/fastened
R How far(ifat all)the driver wasdepre ssing
the accele ratorand/or brakepedal;and,
R How fastthevehicl ewas traveli ng
These datacanhelp provid eabetter under-
standing ofthe circumstances inwhich
crashes andinjurie soccur. NOTE:EDRdata
are recorded byyou rvehicl eonly ifanon-triv-
ial crash situationoccurs; nodata arerecor-
ded bythe EDR under normal drivingcondi-
tions andnopersona ldata (e.g.name, gender,
age and crash location)are recorded .How-
ever, other parties,such aslaw enforcement
could combine theEDR data withthetype of
persona llyidentify ingdata routinel yacqu ired
duri ngacrash investiga tion.
Access tothe vehicl eand/or theEDR isnee-
ded toread datathatisrecorded byan EDR,
and specia lequ ipment isrequ ired. Inadd ition Data
storage
29Introductio n Z

function
forthe vehicl eoccupa ntsinthe event
of acrash. G
WARNING
Emergency TensioningDevices thathave
depl oyedpyro technical lyare nolonge r
opera tional andareunab leto perform their
intended protective function.Thispose san
increas edrisk ofinjury oreven fatalinjury .
Have pyrotechnical lytrigger edEmergency
Tensio ningDevices replaced immed iatelyat
a qua lified speci alist worksho p.
An electric motor isuse dby PRE-SAFE ®
to
trigger thetightening ofthe seatbel tin haz-
ardo ussitua tions. Thisproced ureisreversi ble.
If Emergency TensioningDevices aretrigger ed
or air bag sare depl oyed,you willhea ra bang,
and some powdermay alsobe rele ased.The
0075 restrai ntsystem warning lamplig hts up.
Only inrare cases willthe bang affect your
hea ring. Thepowderthat isrele asedgenera lly
does notconstitute ahea lthhaza rd,but itmay
caus eshort-term breathing difficulti esinpeo-
ple with asthma orother respiratory problems.
Provid editis safe todo so, you shou ldlea ve
the vehicl eimmed iatelyor open thewind owin
order toprevent breathing difficulti es.
Air bag sand pyro technic Emergency Tension-
ing Devices (ETDs)contain perchloratemate-
rial ,whi chmay requirespeci alhandl ingand
rega rdfor the environment. Nationalguide-
lines must beobse rved duringdisp osal.In Ca l-
ifornia ,see www.dtsc.c a.gov/
HazardousWaste/ Perchlorate/i ndex.cfm.
Method ofoperatio n During
thefirst stage ofacolli sion, the
restrai ntsystem controlunitevaluates impo r-
tant physical datarelating tovehicl edecel era-
tion oraccele ration, suchas:
R dura tion
R dire ction
R intensity
Based onthe eval uation ofthis data ,the
restrai ntsystem controlunittrigger sthe Emer-
gency TensioningDevices duringahea d-on or
rear-end collision. An
Emergency TensioningDevice canonly be
trigger ed,if:
R the igniti onisswi tched on
R the components ofthe restrai ntsystem are
opera tional.You canfind further informa tion
under "Restrai ntsystem warning lamp"
(Y pag e39)
R the seatbel tbuckle tongue hasengag edin
the beltbuckle ofthe respe ctiveseat
If the restrai ntsyste mcontrol unitdetects a
more severe accident,further components of
the restrai ntsyste mare activa tedindep end-
ently ofeach other incertain frontalcollision
situa tions:
R Front airbag sas wel las drive r'sand front-
pas senger kneebags
Dependi ngon the perso nin the front-
pas senger seat,the front-passe ngerfront air
bag iseither enabledordisa bled.The front-
pas senger frontairbag canbedepl oyedin an
accid entonly ifthe PASSENGER AIRBAG OFF
indica torlam pis off. Obser vethe informa tion
on the PASSENGER AIRBAG indica torlam ps
(Y pag e39) .
You rvehicl ehas two-stage frontairbag s.
The activa tionthreshol dof the Emergency
Tensio ningDevices andtheairbag sis deter-
mined byeval uating therate ofvehicl edecel -
erati onoraccele rationwhichoccurs atvari ous
poi nts inthe vehicl e.This process ispre-emp -
tive innature. Deployment shouldtake place
in good timeatthe start ofthe colli sion.
The rate ofvehicl edecel erationoraccele ra-
tion andthedirection ofthe force areessen-
tial lydetermi nedby:
R the distri butionofforces duringthe colli sion
R the colli sion angle
R the deforma tionchara cteristics ofthe vehi-
cle
R the chara cteristics ofthe object withwhich
the vehicl ehas collided
Factors whichcan only beseen andmeas ured
after acolli sion hasoccurred donot playa
decis iverole inthe depl oyme ntofan air bag .
Nor dothey provi deanindica tionofair bag
depl oyme nt.
The vehicl ecan bedeforme dconside rably,
witho utan air bag being depl oyed.This isthe
case ifonly parts whichare relatively easily
deforme dare affected andtherate ofdecel er-
ation isnot high .Convers ely,air bag smay be
depl oyedeven though thevehicl esuffe rsonly Oc
cupant safety
51Safety Z

Infor
mation reg ardin gtech nicalda ta
i The
datast ate dher espec ifically refers to
a veh iclewit hstand ard equipm ent.Con sult
an auth orizedMer cedes- BenzCen terfor the
dat afor allveh iclevar iantsand trim levels. Veh
icle elect ronics Ta
mp ering with theengin eelect ron-
ics
! Hav
eth een gin eelec tron ics and asso ci-
ate dpart s,suc has control unit s,sen sors,
act uati ngcompo nentsor elec tric cab les
ser viced onlyat aqualif iedspec ialist work-
sho p.Veh icleco mpo nentsmay other wise
wear morequic klyand theveh icle's oper at-
ing permit may beinvalidat ed. Inst
alling two- way radio sand mob ile
ph ones (RFtrans mitters ) G
WAR
NING
The electromag netic radi ation from two-way
radi oscan interf ere withth eveh icleelec -
tr on ics iftwo -way radiosare man ipulat edor
ret rofitte dinc orrectly. This could jeopar dize
th eoper ating safetyof theveh icle. Ther eis
a ris kof an acc iden t.
You should haveall wor kon elec trical and
elec tron icco mpo nentscar ried outata
qualif iedspec ialist workshop. G
WAR
NING
If you incorrectly oper atetwo-way radiosin
th eveh icle, theelec tromag netic radi ation
may interf ere withth eveh icleelec tron ics ,
for exampl eif:
R thetwo -way radiois no tco nn ectedto an
ex terio rant enna
R theex terio rant enna isno tco rrec tly
moun tedor isno tlow- reflec tion
This could jeopar dizeth eoper ating safetyof
th eveh icle. Ther eis aris kof an acc iden t. Hav
eth elow- reflec tion exterio rant enna
ins talled ataqualif iedspec ialist workshop.
Alw ays conn ecttwo -way radiostothelow-
ref lec tion exterio rant enna when operating
in theveh icle.
! The
oper ating per mit may beinvalidat edif
th eins truct ionsfor installation and useof
two -way radiosare notobs erved.
In part icular,thefol lowin greq uire men ts
must becompli edwith:
R on lyappr ovedwave bandsmay beused
R obs erveth emax imum permis sible output
in these wave bands
R on lyappr ovedant enna pos ition smay be
used
Ex ce ssiv elev els ofelec tromag netic radi ation
may causedamag eto your healthand the
healt hof other s.Usi nganexterio rant enna
tak esintoacc oun tcur ren tsc ien tific disc us-
sion srel ating tothepos sible healthhaz ards
th at may result from elec tromag netic fie lds.
The followin gant enna pos ition smay beused if
RF trans mitters hav ebeen properlyins talled: Ap
pro ved antenna pos ition s
0043 Rear fender s
i On
therear fender s,itis rec omm ended to
ins tallth eant enna on theside oftheveh icle
clo ses tto thece nter oftheroad .
Use theTec hnical Specific ation ISO/ TS 21609
when retrofitti ng RF trans mitters (Road Vehi-
cle s-EM Cguide lines for installation ofaft er-
mar ketradi ofrequen cytrans mitting equip-
men t).Obs erveth elegal require men tsfor
acc essory part s.
If your vehiclehas installation sfor two -way
radi oequipm ent,use thepower supplyor
ant enna conn ection sint ended foruse withth e 296
Veh
icle electr onicsTechnical data

basic
wiring. Besure toobserve themanufac -
turer' sSupplemen twhen installing.
Deviat ionswith respect tofrequen cybands,
maximum transmission outputsoranten na
position smust beapproved byMercedes -
Ben z.
The maximum transmission output(PEAK)at
the base ofthe anten namust notexceed the
following values: Frequ
encyband Maxim
um
tr ansm ission
outp ut Shor
twave
3 -54 MHz 100
W 4
m waveband
74 -88 MHz 30
W 2
m waveband
144 -174 MHz 50
W Trunk
edradio system/
Tetra
380 -460 MHz 10
W 70
cm waveband
400 -460 MHz 35
W Mobile
communications
(2G/3G/ 4G) 10
W The
following canbeused inthe vehicle with-
out restrictions:
R RF tran smitt erswith amaximum transmis-
sion output ofup to100 mW
R RF tran smitt erswith transmitt erfrequen cies
in the 380 -410 MHz waveband andamaxi-
mum transmission outputofup to2W
(trun kedradio/Tet ra)
R Mobile phones (2G/3G/ 4G)
There isno rest riction foranten naposition son
the outside ofthe vehicle forthe following fre-
quency bands:
R Trunk edradio system/ Tetra
R 70 cm waveband
R 2G/3G/ 4G Identificat
ionplat es Vehicle
identification platewith
vehicle identification number(VIN) X
Open thedriver' sdoor.
You willsee vehicle identification plate0043. Ex
ample: vehicle identification plate(USA only)
0043 VIN
0044 Vehicle model Ex
ample: vehicle identification plate(Canada
only)
0043 VIN
0044 Paint code
i The
data shown onthe vehicle identifica-
tion plate isused onlyasan example. This Identificat
ionplat es
297Technical data Z

data
isdifferen tfor every vehicle andcan
deviate fromthedata shown here.Youcan
find thedata applicable toyour vehicle on
the vehicle identification plate. Vehicle
identification number(VIN) X
Slide thefron t-passenger seatasfar forward
as possible.
X Fold trim0043upwards.
VIN 0044can beseen.
The VINcanalso befound inthe following
location s:
R on the vehicle identification plate
(Y page 297)
R on the lower edgeofthe windshield
(Y page 298) Engine
number 0043
Emiss ioncontrol infor mation plate,includ-
ing the cert ification ofboth federal and
Californian emissionsstan dards
0044 Engine number (stamped intothe cran k-
case)
0087 VIN (onthe lower edgeofthe windshield) Service
product sand filling capaci-
ties Impor
tantsafet ynotes G
WARN
ING
Serv iceproduct smay bepoisonous andhaz-
ardous tohealth. Thereisarisk ofinjury.
Comply withinstruct ions onthe use, storage
and disposal ofservic eproduct son the
labels ofthe respect iveoriginal container s.
Always storeservic eproduct ssealed intheir
original container s.Always keepservic e
product sout ofthe reach ofchildren . H
Environm
entalnote
Dispose ofservic eproduct sin an envir on-
ment allyrespon siblemann er.
Serv iceproduct sinclude thefollowing:
R Fuels
R Lubrican ts(e.g. engin eoil, tran smission oil)
R Coolant
R Brak efluid
R Windshield washerfluid
R Climate control system refrigerant
Comply withallvalid regulation swith respect
to handling, storing, and disposing ofservic e
fluids.
Componen tsand servic eproduct smust
matc h.You should therefore onlyuseproduct s
that have been testedand approved by
Mercedes -Benz.
Inf ormat ionabout testedand approved prod-
ucts canbeobtained fromanauthoriz ed
Mercedes -BenzCenter oron the Internet at
htt p:// bevo.m ercedes- benz.com.
You canident ifyserv iceproduc tsapprove dby
Merc edes- Benzby the followin ginsc riptions
on the contain er:
R MB- Freigabe (e.g.MB-Freigabe 229.51)
R MB- Appr oval(e.g. MB-Appr oval229.51)
Oth erdesign ationsor rec omme ndations indi-
cat ealevel ofquality oraspecif ication in
acco rdanc ewith anMB Shee tNumber (e.g.
MB 229 .51). They have notnecessarily been
approve dby Merc edes- Benz. 298
Serv
iceproduct sand filling capacitiesTechnical data

Do
not mix such fuelswi th the fuel reco m-
mend edfor your veh icle.
! To
ens urethe longe vity and fullpe rfo rm-
ance ofthe engine,onl ypre miu m-gr ade
unl eade dga sol ine mustbe used .
If sta nda rdunl eade dga sol ine isuna vailab le
and youha ve toref uelwi th unl eade dga so-
li ne ofalowe rgra de,ob ser vethe followi ng
pre cau tions:
R Onl yfil lthe fuel tank tohalffu llwi th reg u-
la runl eade dga sol ine and fillthe restwi th
pre miu m-gr adeunl eade dga sol ine assoo n
as possi ble.
R Do not drive atthe maxim um spee d.
R Avoi dsu dd en acc elera tionand engine
sp ee ds ove r3,0 00 rpm .
Yo uwi llus ua lly find informa tionab ou tthe fuel
gra deon the fuel pu mp. Ifyo ucanno tfind the
la be lon the fuel pu mp, askthe gassta tion
sta ff.
i For
furthe rinfo rma tion,cons ulta qu alifi ed
sp eci alistwo rksh oporvis it
http ://w ww.mbu sa.com (USA only).
As atemp orarymea sure, ifthe reco mme nded
fu el isnot availabl e, youma yal so usereg ular
unl eade dga sol ine with an octa nerating of
87 AKI /91 RON.Th ismay reduc een gin eper -
fo rm ance andincr eas efu el co nsump tion.
Avoi ddri vin gat fullthro ttleand sudd en acc el-
era tion.Nev erref uelus ing gasol ine with a
lo we rAKI.
i The
fuelsyo ucan usein your veh iclema y
di ffe rfro mthe inform ation inthe Opera tor' s
Ma nua lde pendi ng on the country .The fuels
tha tha ve been appro ved foryour veh icle
can befou ndonthe instructio nlabe lon the
ins ide of the fuel fillerfla p.
Info rma tionon refueling (Ypage 133 ).
Add itive sin gas olin e
! Op
era ting theenginewith fuel ad ditive s
ad de dlater can lead toeng inefailur e. Do
not mixfu el ad ditive swi th fuel.Thi sdo es
not includead ditive sfor the rem ovaland
pre venti onofres idue buildu p. gasol ine must
onl ybe mixed with additive sreco mme nded
by Me rced es-Benz. Compl ywi th the instruc-
tio ns for useon the product labe l.Mor e
inf orm ation abou treco mme ndedad ditive s
can beobtained fromany author ized
Me rced es-Benz Center. Me
rced es-Benz recomme ndsthatyo uus e
bra nde dfu elstha tha ve additive s.
The fuel qu ality availa bl e in som ecou ntries
ma ynot besufficie nt. Residu ecou ldbu ild up
in the fuel inje ctio nsy ste mas ares ult. In such
cas es,and incons ultati onwith an author ized
Me rced es-Benz Center, thefuel ma ybe mixed
wi th the cleani ng additive reco mme ndedby
Me rced es-Benz. Youmu stob serve the note s
and mixing ratio ssp eci fiedon the conta iner. En
gine oil
Ge neral notes !
Do
not useeng ineoilor an oilfil ter with
sp eci ficati ons devia ting fromthos e
exp ressly req uired forthe prescri bedse rvi ce
inte rvals.Do not change theengineoilor oil
fil ter inord erto setrep lacem entintervals
lo nge rtha nthos epre scri bed. Thi scou ld
othe rwise cau sedama getothe engineor
exh aust gasaf tertr eatment.
Fol low the instructio nson the servi ce inte r-
va ldi sp layfor cha nging the engineoil. Thi s
cou ldothe rwise cau sedama getothe
eng ineorexh aust gasaf tertr eatment.
Wh enhandl ing eng ineoil,ob serve the impo r-
tant safety note son servi ce pro ducts
(Y page 298 ).
The engineoils arema tche dto the perfo rm-
ance ofMe rced es-Benz enginesand servi ce
inte rvals.Yo usho uld the refore onlyus eeng ine
oi ls and oilfil ters thatar eap pro ved forveh i-
cle swi th ma inte nanc esy ste ms.
For alist of appro ved engineoils and oilfil ters ,
cons ultan author izedMe rced es-Benz Center.
Or visitthe website
http ://be vo.mercedes-b enz.co m. 300
Service
product sand filling capacitiesTechnical data