2019 MERCEDES-BENZ SLC ROADSTER battery

G
WARNING
After ashort time,hillstart assistwil lno lon-
ger brake yourvehicl eand itcoul droll awa y.
There isarisk ofan accide ntand injury .
There fore,quickly move yourfoot from the
brake pedalto the accele ratorpedal.Never
lea vethe vehicl ewhen itis held byhillstart
assi st.
Hill start assistisnot active if:
R you arepulling awayon aleve lroad oron a
dow nhill gradient
R the transmissi onisin posi tion 005C
R the electric parkingbrake isapp lied
R ESP ®
is malfu nctioning EC
Ostart/stop function
Introduc tion The
ECO start/stop functionswitches the
engine offautomatical lyifthe vehicl eis stop-
ped under certain conditions.
The engine startsautomatica llywhen the
drive rwants topul lawa yaga in.The ECO
start/stop functiontherebyhelpsyou to
redu cethe fuel consumpti onand emiss ionsof
you rvehicl e.
Important safetynotes G
WARNING
If the engine isswi tched offautomatica lly
and youexit thevehicl e,the engine is
restarted automatical ly.The vehicl emay
begi nmoving. Thereisarisk ofaccide ntand
injury .
If you wishto exit thevehicl e,alw aysturn
off the ignitio nand secure thevehicl e
aga inst rolling awa y. Gene
ralnote s 0043
ECO start/stop display
The ECO start/stop functionisactiva ted
whene veryou switch onthe engine using the
SmartKey orthe Start/Stop button.
If the engine hasbeen switched offautomati-
call yby the ECO start/stop function,the00D6
ECO symb olisshow nin the multi function dis-
pla y.
Automatic engineswitch-off If
the vehicl eis braked toastandstil lwith the
transmissi onin005B or005C, theECO start/stop
function switches offthe engine automatical ly.
The ECO start/stop functionisopera tional
when:
R the indica torlamp inthe ECO button islit
green
R the outsi detempera tureiswithi nthe range
that issui table forthe system
R the engine isat normal operatingtempera -
ture
R the settempera tureforthe vehicl einterior
has been reache d
R the battery issuffi ciently charged
R the system detects thatthewinds hieldis
not fogged upwhen theair-condi tioningsys-
tem isswi tched on
R the hood isclosed
R the drive r'sdoor isclosed andthedrive r's
seat beltis fastened
All ofthe vehicl e'ssystems remainactive
when theengine isstoppe dau tomatical ly.
Automatic engineswitch-off cantake placea
maximu mof four times inarow (initi alstop,
then three subsequ entstops).
The HOLD function canbeactiva tedifthe
engine hasbeen switched offautomatical ly.It
is then notnecessa ryto continue applying the
brakes duringthe automatic stopphase.When
you depre ssthe accele ratorpedal,the engine Drivi
ng
121Drivi ngand parking Z

starts
automatically andthebraking effectof
the HOLD function isdeactivated.
Automatic enginestart The
engine startsautomatically if:
R you switch offthe ECO start/st opfunction
by pressing theECO button
R you release thebrake pedalintransmission
position 005Bor005C and theHOLD function is
not active
R you depress theaccelerator pedal
R you engage reverse gear005E
R you move thetransmission outofposition
005D
R you switch todrive program S+
R you unfasten yourseatbeltoropen thedriv-
er's door
R the vehicle startstoroll
R the brake system requires this
R the temperature inthe vehicle interior devi-
ates from thesetrange
R the system detects moisture onthe wind-
shield whentheair-conditioning systemis
switched on
R the battery's condition ofcharge istoo low Shifting
thetransmission toposition 005Ddoes
not start theengine.
Deac tivating oractivating theECO
start /stop function X
To deactivate: pressECObutton 0043.
Indicator lamp0044goes out.
X To activate: pressECObutton 0043.
Indicator lamp0044lights up.
If indicator lamp0044isoff, theECO start/st op
function hasbeen deactivated manuallyor as
the result ofamalfunction. Theengine will
then notbeswitched offautomaticall ywhen
the vehicle stops. 122
DrivingDriving
andparking

Problems
withtheengine Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine doesnot
start. The
HOLD functionorAct ive Distanc eAssist DISTRONIC isactiva-
ted.
X Deactivat ethe HOLD function(Ypage 151)orAct ive Distanc e
Assist DISTRONIC (Ypage 149).
X Try tostart theengine again. The
engine doesnot
start. Thestarter motor
can beheard. R
There isamalfunction inthe engine electron ics.
R There isamalfunction inthe fuel supply .
Before attempt ingtostart theengine again:
X Turn theSmartK eyback toposition 0092inthe ignition lock.
or X Press theStart /Stopbutton repeatedly untilallindicator lampsin
the instrumen tcluster goout.
X Try tostart theengine again(Ypage 119). Avoid excessively long
and frequent attemptsto start theengine asthese willdrain the
battery.
If the engine doesnotstart after several attempt s:
X Consult aquali fiedspecialist workshop. The
engine doesnot
start. Youcannot hear
the starter motor. The
on-board voltageistoo low because thebattery istoo weak or
discharged.
X Jump-start thevehicle (Ypage 260).
If the engine doesnotstart despite attemptsto jump-st artit:
X Consult aquali fiedspecialist workshop. The
starter motorwasexposed toathermal loadthatwastoohigh.
X Allow thestarter motortocool down forapproximately two
minutes.
X Try tostart theengine again.
If the engine stilldoes notstart:
X Consult aquali fiedspecialist workshop. The
engine isnot run-
ning smoothly andis
misfiring. There
isamalfunction inthe engine electron icsorinamechanical
componen tof the engine management system.
X Only depress theaccelerator pedalslightly.
Otherwise, non-combusted fuelmay getinto thecatalytic con-
verter anddamage it.
X Have thecause rectified immediately ataquali fiedspecialist
workshop. Driving
123Drivingandparking Z

Dur
ing braking :
R awa rning tone sounds
R the ReleasePar kingBra ke Rel
easePar kingBra kemes sage
ap pe ars
R the red 0049 (USA only)or 0024 (Cana da
onl y)ind icator lamp inthe instrument clus-
ter flashe s
Wh enthe vehicleha sbe en bra ked toasta nd-
sti ll, the electri cpa rkin gbra keisap plied. Parki
ngthe vehic lefora lo ng peri od
If yo uleav ethe vehiclepa rked forlonge rtha n
fou rwe eks ,the battery maybe dama gedby
exh austive disch arging.
If yo uleav ethe vehiclepa rked forlonge rtha n
si x we eks ,the vehiclema ysu ffe rda ma geasa
res ultof lack ofuse.
X Visita qu alifi ed speci alistwo rksh opand
see kad vic e.
i Yo
ucan obtaininfo rma tionab ou ttric kle
cha rgersfro maqu alifi ed speci alistwo rk-
sho p. Dri
ving tips Ge
neral notes
Impo rtant safety notes G
WA
RNING
If yo usw itch offthe igniti onwhile dri vin g,
sa fety -releva ntfunctio nsareonl yav ailabl e
wi th limita tions, ornot atall. Thi scou ld
af fect, forexa mpl e,the powe rstee ringand
the brakeboosti ngeffect. Youwi llreq uire
cons idera blymor eeff ort tostee rand brake.
The reisaris kof an acc ident.
Do not switch offthe igniti onwhile dri vin g. G
WA
RNING
If yo uop era temob ile comm unicati onequip-
ment when drivin g,youma ybe distra cted
fro mthe trafficsitua tion.Yo ucou ldalso
lo se contro lof the vehicle. The reisaris kof
an acc ident. Onl
yop era tethiseq uipme ntwh en the vehi-
cle issta tionar y.
Ob ser vethe lega lreq uirem ents forthe country
in wh ich youar edri vin g.Some jurisdi ctio ns
pro hibi tthe driver fromusing amob ile ph one
wh ile dri vin gaveh icle.
If yo uma keacal lwh ile dri vin g,alwa ysuse
ha nds -freemod e.Onl yop era tethe telephon e
wh en the trafficsitua tionpe rmi ts.Ifyo uar e
uns ure, pu llove rto asa fe locati onand stop
be for eop era ting thetelephon e.
Bea rin min dtha tat asp ee dof onl y30 mph
(a pp roxi mately50 km/h ),the vehiclecove rsa
di sta nce of44 ft(app roxi mately14 m)per
sec ond .
Dri vesens ibly –sav efue l Ob
ser vethe followi ng tipsto save fuel:
R The tiressho uld alwa ysbe inflate dto the
reco mme ndedtire pressu re.
R Re mov eunne cessary load s.
R Wa rm upthe engineatlow eng inespee ds.
R Avoi dfre quent accelera tionor bra king .
R Ob ser vethe serviceinte rvalsin the Mainte -
nance Bookletor inthe serviceinte rvaldi s-
pl ay .Hav eallthe mainte nance workcar ried
in acc ordance with Dai mle rAG regulati ons.
Fue lcons umption also incr eases when drivin g
in col dwe ath er, instop -starttra fficand inhilly
terr ain.
Dri nki ngand driving G
WA
RNING
Drin king anddrivin gand /or takingdru gs
and drivin gar ever yda nge rouscomb ina-
tio ns. Even asma llam ount ofalcoh olor
dru gscan affect your ref lexes ,pe rcep tions
and judgme nt.
The possi bility of aser ious oreve nfa tal
acc ident isgre atlyincr eased when youdri nk
or take drugsand drive.
Do not drink ortake drugsand drive orallo w
any one todrive whoha sbe en drinking or
taki ngdru gs. Dr
ivi ng tips
137Dr ivi ng andparki ng Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AC
Coo lantToo Hot Coo
lantToo Hot
Sto pVeh icleTur n Sto
pVeh icleTur n
Eng ine Off Eng
ine Off The
coolan tis toohot .
A warn ingtone also soun ds.
G WAR
NING
Do notdri ve when yourengin eis ove rheated.This cancaus esom e
flui dswhic hmay haveleak edintoth een gin eco mpar tmentto cat ch
fir e.
St eam from theove rheateden gin ecan also causeser ious burns
whic hcan occur justby open ingthehoo d.
The reisaris kof injury.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Leav eth eveh icleand keep asaf edist ancefrom theveh icleunt il
th een gin ehas cooled down .
X Mak esur eth at theair supp lyto theen gin eradi atoris no t
bloc ked, e.g. by snow, slushor ice .
X Do notst art theen gin eagain untilth edisp laymes sage goesout
and theco olan tte mpe rature gage isbelo wtheH mar king
(Y page 168). Other wise ,th een gin eco uld bedamag ed.
X Pay attention totheco olan tte mpe rature gage ,obs erving the
warn ingnotes(Y page 242).
X Ifth ete mpe rature increas esagain ,vis itaqualif iedspecialist
wor kshop immediat ely.
Un der norm aloper ating cond ition sand attheco rrec tco olan tlev el,
th eco olan tte mpe rature gage mayriseto theH mar king
(Y page 168). 003D
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual The
battery isno tbein gch arg ed.
A warn ingtone also soun ds.
Pos siblecaus esare:
R adef ective altern ator
R ato rn poly- V-belt
R amalf unction intheelec tron ics
! Do
notdri ve any further. Other wise theen gin emay overheat.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Con sult aqualif iedspecialistwor kshop . Disp
laymes sage s
195On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 003D
Sto pVeh icleSee Sto
pVeh icleSee
Ope rator'sMan ual Ope
rator'sMan ual The
battery isno longer bein gch arg edand theco nd ition ofcharg e
is toolow.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Obs erveth eins truct ionsin the003D SeeOperator'sMan ual See
Operator'sMan ual
disp laymes sage .
X Con sult aqualif iedspecialistwor kshop . 00B2
Che ckEngine Oil Che
ckEngine Oil
At NextRef ueling At
NextRef ueling The
engin eoil levelhas dropped tothemin imum level.
A warn ingtone also soun ds.
! Av
oid longer journ eys when there isins ufficien ten gin eoil. You
co uld other wise damag eth een gin e.
X Chec kth eoil levelwhen next ref uelin g,at thelat est
(Y page 241).
X Ifne cessar y,add engin eoil (Ypage 241).
X Hav eth een gin ech ecke dat aqualif iedspecialistwor kshop ifyou
ne ed toadd engin eoil mor eoft en than usual.
In for mat iononappr oveden gin eoils can beobt ained from aquali-
fie dspe cialistwor kshop oron theIn te rn et athttp :/ /
bev o.mer cedes -ben z.co m. 00B2
Che ckEngine Oil Che
ckEngine Oil
Lev el(Add1qua rt) Lev
el(Add1qua rt) Mer
cedes -AMG SLC43:
The engin eoil levelistoolow.
! Av
oid longer journ eys when there isins ufficien ten gin eoil. You
co uld other wise damag eth een gin e.
X Chec kth eoil levelwhen next ref uelin g,at thelat est
(Y page 241).
X Ifne cessar y,add engin eoil (Ypage 241).
X Hav eth een gin ech ecke dat aqualif iedspecialistwor kshop ifyou
ne ed toadd engin eoil mor eoft en than usual.
In for mat iononappr oveden gin eoils can beobt ained from aquali-
fie dspe cialistwor kshop oron theIn te rn et athttp :/ /
bev o.mer cedes -ben z.co m. 00B2
Eng ine OilLevel Eng
ine OilLevel
Low StopVeh icle Low
StopVeh icle
Tur nEng ine Off Tur
nEng ine Off Mer
cedes -AMG SLC43:
The engin eoil levelistoolow.
The reisaris kof engin edamag e.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Chec kth een gin eoil level(Y page 241).
X Ifne cessar y,add engin eoil (Ypage 241). 196
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Ser
viceReq uired Ser
viceReq uired
Do Not ShiftGears Do
Not ShiftGears
Vis itDealer Vis
itDealer You
cannotch ang eth etrans mis sion position due toamalf unction .
A warn ingtone also soun ds.
If trans mis sion position 005Bissele cted:
X Dr ive toaqualif iedspecialistwor kshop without shifting thetrans -
mis sion from position 005B.
If pos ition 005E, 005Cor005D issele cted:
X Not ifyaqualif iedspecialistwor kshop orbre akd own service. Rev
ersing NotPos‐ Rev
ersing NotPos‐
sib leService sib
leService
Req uired Req
uired You
cannolonger shiftto trans mis sion position 005Edue toamal-
fun ction .
Tran smission pos ition s005D, 005Cor005B continu eto be avail able.
A warn ingtone also soun ds.
X Vis itaqualif iedspecialistwor kshop . Tra
nsmission Mal‐ Tra
nsmission Mal‐
fun ctionStop fun
ctionStop A
malf unction has occur red inthemec hanical trans mis sion compo -
ne nts.
A warn ingtone also soun ds.The trans mis sion shifts auto matically
to pos ition 005C.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Sh ift thetrans mis sion topos ition 005D.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Not ifyaqualif iedspecialistwor kshop orbre akd own service. Sto
pVeh icleLea ve Sto
pVeh icleLea ve
Eng ine Running Eng
ine Running
Wai tTra nsmission Wai
tTra nsmission
Coo ling Coo
ling The
trans mis sion hasoverheated.Pullin gaway canbetempo rarily
imp aire dor notpos sible.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.Do notco ntinu edri vin g
und erany circum stanc es.
X Wait untilth edisp laymes sage disap pearsbef ore pullin gaway. Aux
iliary Battery Aux
iliary Battery
Mal function Mal
function The
auxiliary battery for theauto matictrans mis sion isno longer
bein gch arg ed.
X Vis itaqualif iedspecialistwor kshop atthene xt oppo rtuni ty.
X Un tilth en ,always shiftthetrans mis sion topos ition 005Dbefore
you switchoff theen gin e.
X Be for eleav ingtheveh icle, apply theelec tric park ingbrak e. 0084 The
trunk lidisopen .
X Clos eth etrunk lid. 204
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AF
Rep laceKey Battery Rep
laceKey Battery The
SmartKey battery isdisc harged.
X Chan gethebat tery (Y page 69). 00AF
Don 'tForget Your Don
'tForget Your
Key Key The
SmartKey isno tin theign ition lock.You haveopen edthedri v-
er' sdoor withth een gin eswit ched off.
The mult ifunction disp laysho wsthedisp laymes sage amax imum of
60 sec onds and issim plyarem inder.
X Tak eth eSm artKey withyou when youleaveth eveh icle. 00AF
Key NotDetect ed Key
NotDetect ed
(re ddisp laymes sage ) The
SmartKey isno tin theveh icle.
A warn ingtone also soun ds.
If th een gin eis swit ched off,you can nolonger lockth eveh iclece n-
tr ally orstart theen gin e.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Loc ate theSm artKey.
X Pre ss0076 onthest eer ing whee lto confirm thedisp laymes -
sage . Be
caus eth ere isint erf ere ncefrom ast ron gsour ceofradi owave s,
th eSm artKey isno tdet ectedwhils tth een gin eis run ning.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 134).
X Inser tth eSm artKey intoth eign ition lockand bring intoke y
mod e. 00AF
Key NotDetect ed Key
NotDetect ed
(whit edisp laymes sage ) The
SmartKey iscur ren tly und etec ted.
X Chan getheloc ation oftheSm artKey intheveh icle.
If th eSm artKey still can notbe det ected:
X Inser tth eSm artKey intoth eign ition lockand turnit to the
des iredpos ition . 00AF
Rem ove 'Start'But ‐ Rem
ove 'Start'But ‐
ton andInsert Key ton
andInsert Key The
SmartKey isco ntinu ally undetec ted.
KE YLE SS-GO istempo rarily malf unction ing orisdef ective. Awarn -
ing tone also soun ds.
X Inser tth eSm artKey intoth eign ition lockand turnit to the
des iredpos ition .
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
207On -boar dcomp uter anddi sp lay s Z