2019 MERCEDES-BENZ SLC ROADSTER service interval

Protecting
theenvironment General
notes H
Environmental
note
Daimler's declaredpolicyisone ofcompre-
hensive environm entalprotect ion.
The object ivesareforthe natural resources
that form thebasis ofour existen ceon this
planet tobe used sparingly andinamanner
that takes therequirements ofboth nature
and humanity intoaccount.
You toocan help toprotect theenvironm ent
by operating yourvehicle inan environm en-
tally responsible manner.
Fuel consumpt ionand therate ofengine,
transm ission,brakeandtirewear areaffec-
ted bythese factors:
R operating conditionsof your vehicle
R your personal drivingstyle
You caninfluence bothfactors. Youshould
bear thefollowing inmind:
Operating conditions:
R avoid shorttripsasthese increase fuel
consumpt ion.
R alwa ysmake surethatthetire pressures
are correct .
R do not carry anyunnecessary weight.
R remove roofracks onceyounolonger
need them.
R aregularly servicedvehiclewillcont ribute
to environm entalprotect ion.You should
therefore adheretothe service intervals.
R alwa yshave service workcarried outata
quali fiedspecialist workshop.
Personal drivingstyle:
R do not depress theaccelerator pedal
when startin gthe engine.
R do not warm upthe engine whenthevehi-
cle isstationary.
R drive carefully andmaintain asafe dis-
tance fromthevehicle infront .
R avoid frequent, suddenacceleration and
braking. R
change gearingood timeanduseeach
gear onlyupto00C3 ofits maximum engine
speed.
R switch offthe engine instationary traffic.
R keep aneye onthe vehicle's fuelcon-
sumption. Environmental
concerns andrecom-
mendat ions
Wherever theoperating instructionsrequire
you todispose ofmaterials, firsttrytoregen-
erate orre-use them.Observe therelevant
environm entalrulesandregulations whendis-
posing ofmaterials. Inthis way youwillhelp to
protect theenvironm ent. Genuine
Mercedes-Benz parts H
Environmental
note
Daimler AGalso supplie srecondit ioned
major assemblies andparts which areofthe
same qualityas new parts. Theyarecovered
by the same Limited Warranty entitlements
as new parts.
! Air
bags andEmergen cyTensioning Devi-
ces, aswell ascont rolunits andsensors for
these restraint systems, maybeinstalled in
the following areasofyour vehicle:
R doors
R door pillars
R door sills
R seats
R cock pit
R instrumen tcluster
R cent erconsole
Do not install accessories suchasaudio sys-
tems inthese areas. Donot carry out
repairs orwelding. Youcould impair the
operating efficiency ofthe restraint sys-
tems.
Have aftermark etaccessories installedata
quali fiedspecialist workshop.
You could jeopardize theoperating safetyof
your vehicle ifyou useparts, tiresandwheels
as well asaccessories relevanttosafety which Genuine
Mercedes-Benz parts
23Introdu ction Z

G
WARNING
If engine oilcomes intocontact withhot
components inthe engine compartment, it
may ignite. Thereisarisk offire and injury .
Make surethatengine oilisnot spilled next
to the filler neck. Letthe engine cooldown
and thoroug hlyclea nthe engine oiloff the
components beforestarting theengine. H
Envi
ronmental note
When addingoil,take carenottospil lany. If
oil enters thesoil orwate rways,itis harmfu l
to the environment.
! Use
only engine oilsand oilfilters thatare
app roved forvehicl eswith aservice system.
A list ofthe engine oilsand oilfilters that
have been tested andapproved inaccord-
ance withMercede s-BenzSpecifications for
Service Productsisava ilable atany author-
ized Mercede s-BenzCenter.
The followi ngcaus eengine failure ordam-
age tothe exhau stsystem:
R Use ofengine oilsand oilfilters thathave
not been express lyapp roved forthe ser-
vice system
R Rep lace ment ofengine oiland oilfilter
after thereplacement intervalspecified
by the service system hasexpire d
R Use ofengine oiladd itives
! Do
not add toomuch oil.If the oilleve lis
abo vethe "ma x"mark onthe dipstick, too
much oilhas been added. This canleadto
dama getothe engine orthe catal yticcon-
verter. Haveexcess oilsiph oned off. Example
:engine oilcap X
Turn cap0043counter-clockwi seand remove
it.
X Add engine oil.
If the oilleve lis at or bel ow the MIN mark
on the oildip stick, add1.1USqt(1.0 liter)
of engine oil.
X Rep lace cap0043onthe filler neck andturn
clockwis e.
Ensure thatthecap locks intoplace
secure ly.
X Che ckthe oilleve laga inwith theoildip stick
(Y pag e241) .
Further informati ononengine oil
(Y pag e300) . Che
ckin gand adding otherservice
products
Che ckin gco olan tlev el G
WARNING
Certa incomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury .
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the followi ng. G
WARNING
Opening thehood when theengine isover-
hea ted orwhen thereisafire inthe engine
compartment couldexpose youtohot gase s
or other service products.There isarisk of
injury .
Let anoverhe atedengine cooldownbefore
openi ngthe hood. Ifthere isafire inthe
engine compartment, keepthehood closed
and contact thefire depa rtment. G
WARNING
The engine compartment containsmoving
components. Certaincomponents, suchas
the radiator fan,may continue torun orstart
aga insud denly whentheignitio nis off.
There isarisk ofinjury . 242
Eng
inecompar tmentMainten anceandcare

Make
surethatwindshield washerconcen-
trate isnot spilled inthe vicinity ofthe filler
neck . Example
X To open: pullcap 0043upwa rdsbythe tab.
X Add thepremixed washerfluid.
X To close :press cap0043onto thefiller neck
until itengages.
If the washer fluidlevel drops below therec-
ommended minimumfluidlevel of1US qt
(1 liter), amessage appearsinthe multifunc-
tion display prompting youtoadd washer fluid
(Y page 206).
Further information onwindshield washer
fluid/antifreeze (Ypage 302). Overview
ofthe engine compart -
ment Example
engine
0043 Engin eoil cap
0044 Oildipstick
0087 Brake fluidreservoir
0085 Washer fluidreservoir
0083 Coolant expansion tank ASSYST
PLUS Service
display
The ASSYST PLUS service interval displayindi-
cates theremaining timeperiod orthe remain-
ing distance tothe next regular service due
date.
Inform ationonthe type ofservice andservice
intervals (seetheseparate Maintenanc eBook-
let).
You canobtain further information froman
authorized Mercedes-Ben zCenter orat
http: //www.mbusa.com (USAonly).
i The
ASSYST PLUS service interval display
does notshow anyinformation onthe
engine oillevel. Observe thenotes onthe
engine oillevel (Ypage 241).
The multifunction displayshowsaservice dis-
play forafew seconds, e.g.:
R Service Ain ..Days Service
Ain ..Days
R Service ADue Service
ADue
R Service AExceeded by..Days Service
AExceeded by..Days
Depending onthe operating conditionsof the
vehicle, theremaining timeordistance until
the next service duedate isdisplay ed.
The letter A A
or B B,
possibly inconn ection witha
number oranother letter,shows thetype of
service. A A
stands foraminor service andB B
for
a major service.
You canobtain further information froman
authorized Mercedes-Ben zCenter.
Depending onhow thevehicle isused, the
ASS YST PLUS service interval displaymay
reduce theservice interval, e.g.inthe follow-
ing situations:
X the vehicle isprimarily usedtotravel short
distances
X ifthe engine isoften leftidling forlong peri-
ods
X ifthere arefrequent coldstart phases
Mercedes-Ben zrecommen dsyou avoid such
operating conditions.
The ASSYST PLUS service interval displaydoes
not take intoaccount anyperiods oftime dur-
ing which thebattery isdisconnec ted. 244
ASSY
STPLUSMaintenance andcare

Maintaining
thetime-dependent servicesched-
ule:
X Note down theservice duedate display edin
the multifunction displaybeforedisconnec t-
ing the battery.
or X Aft erreconn ectingthebattery, subtract the
battery disconnec tionperiods fromtheser-
vice date shown onthe display . Hiding
service displays
X Press the0076 or0038 button onthe steer-
ing wheel. Showing
servicedisplays
X Switch onthe ignition.
X Press 0059or0065 onthe steering wheel
to select theServ. Serv.
menu.
X Press 0063or0064 toselect theASSYST ASSYST
PLUS PLUS
submenu andconfirm bypressing the
0076 button.
The service duedate appears inthe multi-
funct iondisplay . Informat
ionabout Service
Resetting theASSYST PLUSservice
interval display !
If
the ASS YST PLUS service interval dis-
play hasbeen inadvertent lyreset, thisset-
ting canbecorrect edataqual ified special-
ist workshop.
Have service workcarried outasdescribed
in the Maintenanc eBooklet. Thismay other-
wise leadtoincreased wearanddamage to
the major assemblies orthe vehicle.
A qual ified specialist workshop, e.g.anauthor-
ized Mercedes-Ben zCenter, willreset the
ASS YST PLUS service interval displayafterthe
service workhasbeen carried out.Youcan
also obtain further information onmainte-
nance work,forexample. Special
servicerequirements The
specified maintenanc einterval takesonly
the normal operation ofthe vehicle into
account. Serviceworkwillneed tobe per-
formed moreoften ifthe vehicle isoperated
under arduou scondition sor increased loads.
The ASSYST PLUS service interval displayis
only anaid. Thedriver ofthe vehicle isrespon-
sible forwhether serviceworkwillneed tobe
performed morefrequently thanrequired asa
result ofthe actual operating conditions
and/or loads.
Examples ofarduou soperating conditions:
R regular citydriving withfrequent intermedi-
ate stops
R the vehicle isprimarily usedtotravel short
distances
R frequent useinmountainous terrainoron
poor roadsurfaces
R the engine isoften leftidling forlong peri-
ods
R particularly dustycondition s,or ifair-recir-
culation modeisfrequently used
In these orsimilar operating conditions,have
the interior filter,airfilter, engine oiland oilfil-
ter, forexample, changedmorefrequently.
Under arduou soperating conditions,the tires
must becheck edmore often. Further informa-
tion canbeobtained ataqual ified specialist
workshop.
Driving abroad An
exten siveMercedes-Ben zService network
is also availa bleinother countr ies.You can
obtain further information fromanyauthorized
Mercedes-Ben zService Center. Care
Notes
oncare H
Environmental
note
Dispose ofempty packaging andcleaning
cloths inan environm entallyresponsible
manner.
! When
cleaning yourcar,donot use:
R dry, coarse orhard cloths
R abrasive cleaningagents Care
245Maintenance andcare Z

Alw
aysma kesure tha tnei ther younor thebat-
tery iselectro statica lly cha rged.Abu ild-u pof
el ectro static cha rge can becau sed,for exa m-
pl e:
R by wearing clothing ma de from syntheti c
fib ers
R du eto frictio nbe twe enclothing and seats
R ifyo upu sh orpullthe battery across the
car petor othe rsy ntheti cma teri als
R ifyo uwi pe the battery with aclo th G
WA
RNING
Dur ing the charging pro ces s,aba ttery pro-
du ces hydro gen gas.Ifasho rtcirc uitoccu rs
or spa rks arecrea ted,the hydro gen gascan
ig nite .The reisaris kof an exp losion.
R Ma kesure tha tthe positive term inalof a
conne ctedbattery does not come into
conta ctwith veh iclepa rts.
R Nev erplace meta lob jects ortool son a
ba ttery .
R Itis imp orta nttha tyo uob ser vethe
de scri bedord erofthe battery terminals
wh en conne ctinganddisconne ctingaba t-
tery .
R Whe njum p-sta rting,ma kesure tha tthe
ba ttery poleswi th identi calpolarity are
conne cted.
R Itis pa rticu larly imp orta ntto obser vethe
de scri bedord erwh en conne ctinganddis-
conne ctingthejumpercab les.
R Nev erconne ctor disconne ctthe battery
term inalswh ile the engineisrunning . G
WA
RNING
Batte ryaci dis cau stic.The reisaris kof
inju ry.
Avoi dconta ctwith ski n,eyes orclo thing. Do
not inhale any battery gases .Do not lean
ove rthe battery .Kee pchi ldren away from
ba tteri es.Washaway battery acidimm edi-
ate lywith plenty ofcle an water and seek
med icalatte ntion. H
En
viron men talnote Batte
riesconta inpo lluta nts.
It is ille ga lto dispo seof
them with the household
ru bb ish. The ymu stbe col-
le cted separate lyand dis-
po sed ofinan envi ronm en-
tal lyres ponsi ble recy cling
sy stem . Dis
pose ofbatteri esinan
envi ronm entally res ponsi ble
ma nner. Take discha rged
ba tteri estoaqu alifi ed spe -
cia list wo rksh oportoacol -
le ctio npo int for used bat-
teri es.
! Hav
ethe battery regular ly che cked ata
qu alifi ed spe cialist wo rksh op.
Co mpl ywi th the service intervalsin the
Ma inte nance Booklet,or conta ctaqu alifi ed
spe cialist wo rksh opfor more informa tion.
! Alw
aysha ve workon batteri escar riedou t
at aqu alifi ed spe cialist wo rksh op.
Shou ldit, inexce ptiona lcirc umstances ,be
ab sol ute lynece ssaryto disconne ctthe 12-
vol tba ttery yoursel f,plea se obser vethe fol-
lo wi ng:
R Secu rethe vehicleto pre vent itfrom roll-
ing away.
R Swi tch offthe igniti on.
R Dis conne ctthe negative term inalfir st and
then thepositive term inal.
The trans mission islocked inpo sitio n005D
afte rdi sconne ctingthebattery .
After theworkhasbe en done, installthe
ba ttery andreplace the cove rof the positive
term inalcla mp firmly .
Co mpl ywi th safety precau tions and take pro-
tecti vemea sures when handl ing batteri es. Ri
sk ofexp losion. Fir
e,op en flames andsmoking are
pro hibi ted when handl ing the bat-
tery .Avoi dcrea ting sparks. 25
8 Battery
(vehi cle)Breakdo wnassis tan ce

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

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