2019 MERCEDES-BENZ SLC ROADSTER Owner's Manual

Using
theTIREFIT kit X
Do not remov eany foreign objectswhich
have penet rated thetire, e.g.screws or
nails.
X Remove thetire sealant bottle,the accom -
panying TIREFITstic ker and thetire inflat ion
compr essorfromthestowage wellunder-
neat hthe trun kfloor (Ypage 252).
X Aff ixpart 0043ofthe TIREF ITstic ker tothe
inst rumen tclust erwithin thedriver' sfield of
vision .
X Aff ixpart 0044ofthe TIREF ITstic ker near the
valve onthe wheel withthedefect ivetire. X
Remove fillerhose 0084and plug 0087from the
bott omsect ionofthe tire inflat ioncompr es-
sor housing.
X Slide theyellow fillerhose connectorinto
the mount ingonyellow cap0083oftire seal-
ant bott le0043 until theplug engages.
X With thesealing ringsinfron t,slide yellow
cap 0083oftire sealant bottle0043 intothe
mount ingoftire inflat ioncompr essor0044.
The capmust engage inboth hooks . X
Remove thecap from valve 006Bonthe faulty
tire.
X Sc rew filler hose 006Contothe valve.
X Ins ert plug 0087intothe cigaret telighter
sock et(Y page 229)orintoa12 Vpower
sock etinyour vehicle (Ypage 229).
X Turn theSmart Keytoposition 0047
(Y page 118)inthe ignit ionlock .
X Press onand offswitc h0085 onthe tire infla-
tion compr essortoON.
The tireinflat ioncompr essorisswitc hedon.
The tireisinflat ed.
First ,tire sealant ispumped intothe tire.
The pressure maybriefly risetoapprox-
imately 500kPa(5.0 bar/7 3psi).
Do not switch offthe tireinflat ioncom-
pr essor during this phase.
X Let the tire inflat ioncompr essorrunfora
maximum often minut es.The tireshould
then have attained apressure ofat least
200 kPa(2.0 bar/29 psi).
If atire pressure of200 kPa(2.0 bar/2 9psi) is
achieved afteramaximum often minut es,see
(Y page 256).
If atire pressure of200 kPa(2.0 bar/29 psi)is
not achieved afteramaximum often minut es,
see (Ypage 256).
If tire sealant hasescaped, cleanitoff affec ted
areas asquickly aspossible. Itis prefer ableto
use clean water.
If your clothes aresoiled withtiresealant ,
have them cleaned withperch loroet hylene ata
dry cleaner assoon aspossible. Flat
tire
255Breakd ownassist ance Z

Tire
pres sure notreac hed If
atire pressu reof200 kPa(2.0 bar/29 psi)
ha sbe en ach ieved after ten minutes:
X Swi tch offthe tire inflation comp ressor .
X Unsc rewthefillerhos efro mthe valve ofthe
fa ulty tire .
Note thattire sealant ma yesc apewh en you
uns crew thefillerhos e.
X Ver yslow lydri ve forwa rds orrev ers e
ap pro xim ately30 ft(10 m).
X Pu mp upthe tire again.
After ama xim um often minutes,the tire
pre ssu remu stbe atleas t200 kPa(2.0 bar/
29 psi). G
WA
RNING
If the required tire pressu reisnot reached
afte rthe specified time ,the tire istoo badly
da mag ed.The tiresealant cannot repairthe
tire inthis insta nce. Dama gedtiresand a
tire pressu rethat istoo low can signifi cantl y
imp airthe vehi cle'sbra king anddriving
cha racte ristics. Thereisaris kof acci dent.
Do not continu edri ving .Co ntact aqu alifi ed
spe cialist wo rksho p.
Tire press urereac hed G
WARNI
NG
A tire tempo rarily sea led wi th tire sealant
imp airs the vehi cle'sdri ving characte ristics
and isnot suita ble for driving athig her
spe eds.The reisaris kof an acci dent.
Ada ptyour driving styleacco rdingly and
dri ve care fully.Do not excee dthe maxi mum
per mis siblespe edfor atire sealed wi th tire
sea lant.
The maxi mum permis siblespe edfor atire
sea led wi th tire sealant is50 mph (80km/h ).
The upper partof the TIREFIT sticke rmus tbe
affi xed tothe instru ment cluster inthe driver' s
fie ldof vis ion.
! Re
sid ue from thetire sealant may come
ou tof the fillerhos eafte rus e. Thi scou ld
cau sestai ns.
The refo re,place thefillerhos ein the plasti c
ba gwhi chcontai nedtheTIREFIT kit. H
En
viro nmen talnote
Have theused tire sealant bottl edispo sed
of pro fess iona lly, e.g. ataqu alifi ed spe cial-
ist worksho p.
If tire pressu reof200 kPa(2.0 bar/29 psi)
ha sbee nach ieved aftera maxi mum period of
ten minu tes:
X Swi tch offthe tire inflation comp ressor.
X Unscre wthe fillerhos efrom thevalve ofthe
fau ltytire .
X Stow thetire sealant bottl eand thetire
infl ation comp ressor.
X Pul laway immedi ately.
X Stop afterdri ving forappro xima telyten
minu tesand check thetire pressu rewith
the tire inflation comp ressor.
The tirepressu remus tnow beatleast
130 kPa(1.3 bar/19 psi). G
WARNI
NG
If the required tire pressu reisnot reached
afte rdri ving forasho rtper iod,the tire istoo
ba dlyda mag ed.The tiresealant cannot
rep airthe tire inthis insta nce. Dama ged
tire sand atire pressu rethat istoo low can
sig nifi cantl yimp airthe vehi cle'sbra king and
dri ving characte ristics. Thereisaris kof
acci dent.
Do not continu edri ving .Co ntact aqu alifi ed
spe cialist wo rksho p.
i In
case ssu ch asthe one mentio ned
ab ove, contact anauthori zedMerce des-
Benz Center. Orcall1-800-FOR -MERCedes
(i n the USA) or1-800-387-0100 (in Ca nad a).
X Co rrect thetire pressu reifit is stil lat least
130 kPa(1.3 bar/19 psi).See theTireand
Loa ding Inform ation placa rdon the driver' s
sid eB-pil laror the tire pressu retab lein the
fue lfil lerfla pfor values.
X To inc reas ethe tire press ure:switch on
the tire inflation comp ressor. 256
Fl
at tireBreakdo wnassi stanc e

X
To reduc ethe tire pres sure :de pre sspre s-
su re release button 0043next topre ssu re
ga ge 0044.
X Whe nthe tire pressu reiscorr ect, unscrew
the fillerhos efrom thevalve ofthe sealed
tire .
X Screw thevalve cap onto thetire valve of
the sealed tire . X
To rem ove thetire sealant bottle from the
tire inflation comp ressor ,pre sstoge ther the
lo cking tabson the yellow cap .
X Pu llthe tire sealant bottle outof the tire
infl ation comp ressor .
The fillerhos erem ains atta chedto the tire
sea lant bottle .
X Driv eto the nearestqu alifi ed spe cialist
wo rksh opand have the tire changed there.
X Hav ethe tire sealant bottle and thefiller
hos erep laced assoo nas possi ble at a
qu alifi ed spe cialist wo rksh op.
X Hav ethe tire sealant bottle replaced every
fou rye ars ataqu alifi ed spe cialist wo rksh op. Battery
(vehi cle) Impo
rtant safetynotes
Spe cialtool sand expertknow ledge are
req uired when working onthe battery ,e.g .
rem ovaland installatio n.Yo usho uld ther efore
ha ve allwo rkinvo lving the battery carriedou t
at aqu alifi ed spe cialist wo rksh op. G
WAR
NING
Wor kcar riedou tinco rrectly onthe battery
can lead ,for exa mpl e,to asho rtcirc uitand
thu sda ma gethe vehicleelectro nics.Thi s
can lead tofunc tionres tricti onsapplying to
sa fety -releva ntsystem s,e.g .the lighti ng
sy stem ,the ABS (anti-l ock braking system )
or the ESP ®
(El ectro nicStab ility Pro gram).
The opera ting safety ofyour veh iclemay be
res tricte d.
Yo ucou ldlose contro lof the vehicle, for
exa mpl e:
R wh en bra king
R in the eventofabrupt stee ring maneu vers
and /or when the vehicle's spe edisnot
ad apted tothe roadcond itions
The reisaris kof an acci dent.
In the eventofasho rtcirc uitor asimil ar
inci dent, conta ctaqu alifi ed spe cialist wo rk-
sho pimm ediatel y.Do not drive any further .
Yo usho uld ha ve allwo rkinvo lving the bat-
tery carriedou tat aqu alifi ed spe cialist
wo rksh op.
For further informa tionab ou tABS andESP®
,
see (Ypage 57)and (Ypage 60). G
WAR
NING
Ele ctros taticbu ild-u pcan lead tothe crea -
tio nof spa rks, which cou ldignite thehighl y
exp losive gases ofaba ttery .The reisaris k
of an exp losion.
Befo rehandl ing the battery ,tou chthe vehi-
cle body torem ove anyexisting electro static
bu ild-u p.
The highl yfla mma ble ga smixtu reform swh en
cha rging the battery aswellas when jump -
sta rting . Battery
(vehi cle)
257Breakdo wnassis tan ce 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

Battery
acidis cau stic. Avoid con-
tact with skin, eyes orcloth ing.
Wea rsui tabl eprote ctive clothing,
esp ecia lly glo ves, apron and face-
gu ard .
Ri nse anyacidspi lls imme diatel y
wi th clea rwa ter. Contact aphy si-
cia nif neces sary. Wea
rey eprote ction. Kee
pchil drenaw ay. Obs
erve thisOperator'sManu al.
For safety reasons, Merce des-Benz recom -
mends thatyouonly usebatterie swhi chhav e
bee ntested andapprov edfor your vehi cleby
Merce des-Benz. Thesebatterie sprov ide
incre asedimp act prote ction topre vent vehicle
occu pants from sufferi ngacidbu rns shou ld
the battery bedamag edinthe eventofan
acci dent.
In orde rfor the battery toachi evethemaxi -
mum possibleserv icelife, itmus tal wa ysbe
suf ficiently charged.
Like other batterie s,the vehi clebattery may
di scha rgeover time ifyo udo not use thevehi -
cle. Inthis case ,hav ethe battery disconnec-
ted ataqu alifi ed spe cialist wor kshop .You can
al so char gethe battery with achar gerrecom -
mende dby Merce des-Benz. Contact aqu ali-
fie dspe cialist wor kshop forfurth erinfor ma-
tion.
Have thebattery condi tionofchar gechecke d
more frequently ifyo uuse thevehi clemai nly
for shor ttrip sor ifyo ulea veitstand ingidle
for aleng thyperiod.Co nsul ta qu alifi ed spe -
cia list wor kshop ifyo uwi sh tolea veyour vehi -
cle parked foralong period oftime .
Re move theSmartKe yif yo upa rk the vehi cle
and donot require any electrica lconsu mers.
The vehiclewillthen usevery little energ y,
thus conser vingbattery power. If
the pow ersup plyhas beeninterr upted, e.g.
if yo ureconne ctthe battery ,yo uwi llhav eto:
R rese tthe functi onfor automa tically fol ding
the exteri ormirr orsin/ou tby folding the
mirr orsoutonce (Ypage 93)
R set the clock
On vehi cles with amul timed iasystem, the
time isset automa tically. Charg
ingthe battery G
WARNI
NG
Duri ngchar ging andjump -starti ng,expl osive
ga ses can esca pefrom thebattery .The reis
a risk ofan expl osion.
Pa rticu larly avo idfire ,ope nfla mes, creating
spa rks and smoki ng.Ensure thereissuf fi-
cient ventilation whi lechar ging andjump -
starti ng.Donot leanover aba ttery . G
WARNI
NG
Battery acidis cau stic. Thereisarisk of
inju ry.
Avoid contact with skin, eyes orcloth ing.Do
not inha leany battery gases .Do not lean
over thebattery .Kee pchil drenaw ay from
ba tterie s.Wa shaway battery acidimme di-
atel ywi th plenty ofclea nwa ter and seek
med icalattenti on. G
WARNI
NG
A discha rged battery canfreezeattempe ra-
ture sbel ow free zing point. Whe njump -start-
ing the vehi cleorchar ging thebattery ,
ga ses can esca pefrom thebattery .The reis
a risk ofan expl osion.
All ow the frozen battery tothaw outbef ore
char ging itor jump -starti ng.
! Only
usebattery chargers with amaxi mum
char ging voltage of14.8 V.
! On
lycha rge the battery using the jump -
star ting connecti onpoint.
The jump -starti ngconnecti onpointisin the
engi necomp artme nt. Battery
(vehi cle)
259Breakdo wnassi stanc e Z

If
the indicator/wa rninglampsdo not light up
at low temperature s,itis very likely thatthe
discha rgedbattery hasfrozen. Inthis case,
you may neither chargethebattery norjump-
start thevehicle .The service lifeofathawed -
out battery maybeshorter. Thestarting char-
acteristics canbeimpa ired, particul arlyatlow
temperature s.Have thethawed -outbattery
checked ataqua lifiedspecia listworkshop.
Rea dthe battery charger's operatinginstruc-
tions before charging thebattery.
X Open thehood.
X Connect thebattery charger tothe positive
terminal andground pointinthe same order
as when connecting thedonor battery inthe
jump-starting procedure(Y page 260). Replaci
ngthe 12Vbattery
Observe thenotes onthe 12Vbattery
(Y page 257).
Mercedes-Benz recommendsthatyouhave
the 12Vbattery replacedataqua lifiedspe-
ciali stworkshop, e.g.atan authori zed
Mercedes-Benz Center. If
you want torepla cethe battery yourself,
observe thefollow ingnotes:
R Alway srepla ceadefective batterywitha
battery whichmeets thespecific require-
ments ofthe vehicle .
The vehicle isequi pped withanAGM
(Absorbent GlassMat) technology battery.
Full vehicle functionality isonly guaranteed
with anAGM battery. Forsafety reasons,
Mercedes-Benz recommendsthatyouonly
use batteries whichhavebeen tested and
appro vedforyou rvehicle byMercedes-
Benz.
R Use detachab leparts suchasbreather
hoses, angled connecting piecesorterminal
covers fromthebattery whichisto be
repla ced.
R Make surethatthevent hose isalw ays con-
nected tothe origina lopening onthe bat-
tery side.
R Install existing orsupp liedcellcaps topre-
vent gases orbattery acidfrom escapi ng.
R Make surethatthedetachab leparts are
connected againinthe same way. Jump-star
ting
For thejump-starting procedure,use only thejump-starting connectionpointinthe engine com-
partment, consisting ofapositive terminal andaground point. G
WARNING
Battery acidiscaustic. Thereisarisk ofinjury.
Avoid contact withskin, eyesorclothing. Donot inhale anybattery gases.Do not leanover the
battery. Keepchildre nawa yfrom batteries. Washawaybattery acidimmedi atelywithplenty of
clean water andseek medica lattention. G
WARNING
During charging andjump-starting, explosivegases canescape fromthebattery. Thereisa
risk ofan explosi on.
Particul arlyavoid fire,open flames ,creating sparksandsmoking. Ensurethereissufficie nt
ventilation whilecharging andjump-starting. Donot leanover abattery. G
WARNING
During thecharging process,abattery produceshydro gengas. Ifashort circuit occurs or
sparks arecreated, thehydro gengascan ignite. Thereisarisk ofan explosi on. 260
Jump-st
artingBreakd ownassis tance

R
Make surethatthepositive terminal ofaconn ected battery doesnotcome intocontactwith
vehicle parts.
R Never placemetal object sor tools onabattery.
R Itis important thatyouobserve thedescribed orderofthe battery terminals whenconnect-
ing and disconnec tingabattery.
R When jump-st arting,makesurethatthebattery poleswithidentical polarityareconn ected.
R Itis particularly importanttoobserve thedescribed orderwhenconnecting anddisconnec t-
ing the jumper cables.
R Never connectordisconnec tthe battery terminals whiletheengine isrunning. G
WARNING
A discharged batterycanfreeze attemperatures belowfreezing point.Whenjump-st artingthe
vehicle orcharging thebattery, gasescanescape fromthebattery. Thereisarisk ofan explo-
sion.
Allow thefrozen battery tothaw outbefore charging itor jump-st arting.
! Avoid
repeated andlengthy startingattempt s.Otherwise, thecatalytic convertercould be
damaged bythe non- combusted fuel.
If the indicator/warnin glamps donot light upatlow temperatures, itis very likely thatthedis-
charged batteryhasfrozen .In this case, youmay neither chargethebattery norjump-st artthe
vehicle. Theservice lifeofathawed-out batterymaybeshorter. Thestartin gcharacterist icscan
be impaired, particularly atlow temperatures. Havethethawed-out batterycheckedataqual i-
fied specialist workshop.
Do not start thevehicle usingarapid charging device.Ifyour vehicle's batteryisdischarged, the
engine canbejump-st artedfromanother vehicleorfrom adonor battery usingjumper cables.
Observe thefollowing points:
R The battery isnot accessible inall vehicles. Ifthe other vehicle's batteryisnot accessible,
jump-st artthe vehicle usingadonor battery orajump-st artingdevice.
R You may onlyjump-st artthe vehicle whentheengine andexhaust systemarecold.
R Do not start theengine ifthe battery isfrozen .Let the battery thawfirst.
R Only jump-st artfrom batteries witha12 Vvoltage rating.
R Only usejumper cableswhichhaveasufficient cross-sectionandinsulated terminalclamps.
R Ifthe battery isfully discharged, leavethebattery thatisbeing usedtojump-st artconn ected
for afew minutes beforeattempt ingtostart. Thischarges thebattery slightly.
R Make surethatthetwo vehicles donot touch.
Make surethat:
R The jumper cablesarenot damaged.
R Bare parts ofthe terminal clampdonot come intocontactwith other metal partswhile the
jumper cablesareconn ected tothe battery.
R The jumper cablescannot comeintocontactwith parts which canmove whentheengine is
running, suchasthe V-belt pulleyor the fan.
X Secure thevehicle byapply ingthe electric parking brake.
X Shift thetransmission toposition 005D.
X Make surethattheignition isswitched off.Allindicator lampsinthe instrumen tcluster must
be off. When usingtheSmartK ey,turn theSmartK eytoposition 0092inthe ignition lockand
remove it(Y page 118). Jump
-starting
261Breakdown assistance Z

X
Swi tch offallel ectri calconsu mers,e.g. rearwi ndow defroste r,lighti ng,etc.
X Ope nthe hood. Pos
ition numb er0084 identif iesthe chargedba ttery ofthe othe rveh icleor an equ ivalent jump -
star ting device.
X Sli de cove r0043 ofpos itive termi nal0044inthe directi onofthe arrow .
X Co nnect positive termi nal0044onyour veh icleto pos itive termi nal0087ofdono rba ttery 0084using
the jump ercab le,al wa ysbeg inwith pos itive termi nal0044onyour ow nveh iclefirs t.
X Start theengi neofthe dono rveh icleand runitat idling spe ed.
X Co nnect negativetermi nal0085ofdono rba ttery 0084togro und point0083 ofyour veh icleus ing the
jump ercab le,beg inningwith dono rba ttery 0084first.
X Start theengi ne.
X Befo redisconne ctingthejump ercab les, letthe engi nerun forseve ralminu tes.
X Firs t,remo vethe jump ercab lesfrom ground point0083 and nega tivetermi nal0085, then from
pos itive termi nal0044and positive termi nal0087. Begi nea ch time atthe contac tson your ow n
veh iclefirs t.
X Close cove r0043 ofpos itive termi nal0044afte rremo vingthejump ercab les.
X Have thebattery checke dat aqu alifi ed spe cialist wo rksho p.
Ju mp-sta rtingisnot consi deredtobe anorma lope ratingcondi tion.
i Ju
mpe rcab lesand further informa tion regard ing jump -startingcanbeobta inedat any quali-
fie dspe cialist wo rksho p. 26
2 Jump-startin
gBreakdownassistanc e