2020 MERCEDES-BENZ SLC ROADSTER engine

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Tir
eP ressu reMon i‐ Tir
eP ressu reMon i‐
tor InoperativeNo tor
InoperativeNo
Whe elSensors Whe
elSensors The
whee lsmoun tedd onothav eas uitable tire pre ssur esensor .
The tire pre ssur emonitor isdeac tivat ed.
X Moun twhee lswit hsuitable tire pre ssur esensor s.
The tire pre ssur emonitor isact ivat edauto maticallyaft erdrivin g
for afew min utes. Tir
eP ress. Moni‐ Tir
eP ress. Moni‐
tor Inoperative tor
Inoperative The
tire pre ssur emonitor isfault y.
X Vis itaq ualif iedspecialistwor kshop . Veh
icle Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Shi
ftto'P' or Shi
ftto'P' or
'N' toStartEngine 'N'
toStartEngine You
haveattemp tedt os tart thee nginew itht he trans mis sion in
pos ition 005Eor005B.
X Sh ift thet rans mis sion topos ition 005Dor005C. App
lyBraketo App
lyBraketo
Shi ftfrom' P' Shi
ftfrom' P' You
haveattemp tedt os hift thet rans mis sion topos ition 005B, 005Eor
005C without depressing theb rak epedal .
X De pre sstheb rak epedal . To
Shiftout ofP To
Shiftout ofP
or N,Depress or
N,Depress
Bra keand Switch Bra
keand Switch
on Engine on
Engine You
haveattemp tedt os hift thet rans mis sion outofpos ition 005Dor
005C intoa nother trans mis sion position withthe engin eswit ched off.
X De pre sstheb rak epedal .
X Start thee ngine. Dri
ver'sDoorO pen Dri
ver'sDoorO pen
&T ransm ission Not &T
ransm ission Not
in PR isko fVehi‐ in
PR isko fVehi‐
cle RollingA way cle
RollingA way The
driver 'sdoor isno tfull yc losed and thet rans mis sion isin pos i-
ti on 005E, 005Cor005B.
Aw arning tone also soun ds.
G WAR
NING
The vehiclem ayrollaway.
The reisar isko fana cciden t.
X Whe npark ing thev ehicle, shi ftthet rans mis sion topos ition 005D. Onl
yS elect Park Onl
yS elect Park
(P) WhenV ehicl e (P)
WhenV ehicl e
is Stationary is
Stationary The
vehiclei sm oving .
X Pull overand stop thev ehicles afely assoo naspossibl e,payin g
att ention toroa dand traff icco nd ition s.
X Sh ift thet rans mis sion topos ition 005D. App
lyBraketo App
lyBraketo
Sel ect R Sel
ect R You
haveattemp tedt os hift from position 005Btopos ition 005E.
X De pre sstheb rak epedal .
X Sh ift thet rans mis sion topos ition 005E. 204
Disp
laymes sage sOn -boar dcomp uter andd ispla ys

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0059
Ope n/CloseV ario- Ope
n/CloseV ario-
Roo fC omple tel y Roo
fC omple tel y The
roofisn otloc ked.
X Pull overand stop thev ehicles afely assoo naspossibl e,payin g
att ention toroa dand traff icco nd ition s.
X Push orpull and hold ther oofswit ch unt ilth er oofisf ullyo pen or
clo sed (Ypage 79). 0059
Sta rtEngine See Sta
rtEngine See
Ope rator'sM anual Ope
rator'sM anual The
on-boar dvoltag eist oo low.
X Start thee ngine.
X Aftera ppr oximat elytens econ ds, repeat theo pen ingorclo sing
pro cedure (Ypage 79). The
roofhas been openedand closed several times inar ow .The
roo fdrive has been switched off auto maticallyfor safetyr eas ons.
You canopen andclosether oofa gain afterappr oximat elyten
min utes.
X Swi tcho ffthei gn ition and turnitb acko n.
X Repeat theo pen ingorclo singp roce dure (Ypage 79). Clo
seRearS ide Clo
seRearS ide
Win dows Win
dows You
leavethe veh iclea nd atleast oner ear side window isopen .
X Clos ethe side windows (Ypage 76). 00B2
Che ckWasher Fluid Che
ckWasher Fluid The
wash erflui dlevel in thew ash erfluid reservoir has dropped
belo wthe min imum .
X Ad dw asherflui d(Ypage 244). Wip
erMalfuncti on‐ Wip
erMalfuncti on‐
ing ing The
windsh ield wiper saremalf unction ing .
X Vis itaq ualif iedspecialistwor kshop . Haz
ard Warning Haz
ard Warning
Fla shersMalfun c‐ Fla
shersMalfun c‐
tio ning tio
ning The
hazard warn inglamp sarefault y.
X Vis itaq ualif iedspecialistwor kshop . Sm
artKey Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AF
Key DoesN ot Key
DoesN ot
Bel ong toVehicl e Bel
ong toVehicl e You
haveputthew rong Sm artKey inthei gn ition lock.
X Use thec orrect Sm artKey. 00AF
Tak eY ourK eyfro m Tak
eY ourK eyfro m
Ign ition Ign
ition The
SmartKey isin thei gn ition lock.
X Remo vetheS martKey. 00AF
Obt ain aNewKey Obt
ain aNewKey The
SmartKey needs tobe rep lace d.
X Vis itaq ualif iedspecialistwor kshop . Disp
laymes sage s
207On -boar dcomp uter andd ispla ys Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 00E9
0051
The redseat beltw arning lamp lights upafter theengine starts,assoon as
the drive r'sorthe front-passenge rdoor isclosed .
The drive rorfront passenger hasnotfastened theirseatbelt.
X Fasten yourseat belt(Y pag e42).
The warning lamp goesout.
There areobjects onthe front-passenge rseat.
X Remo vethe objects fromthefront-passenge rseat and stow them inas ecure
pla ce.
The warning lamp goesout. 00E9
0051
The redseat beltw arning lamp flashes and anintermittent audib lewarni ng
sound s.
The drive rorfront passenger hasnotfastened theirseatbelt.The vehicl eis
bei ng drive nfaster than15mph (25km/h )orh as brie flybeen drivenfaster
than 15mph (25km/h) .
X Fasten yourseat belt(Ypag e42).
The warning lamp goesoutand theintermittent warningtone cease s.
There areobjects onthe front-passenge rseat. Thevehicl eisb eing drive nfaster
than 15mph (25km/h )orh as brie flybeen drivenfaster than15mph
(25 km/h) .
X Remo vethe objects fromthefront-passenge rseat and stow them inas ecure
pla ce.
The warning lamp goesoutand theintermittent warningtone cease s. 210
Indi
cator andwarni nglampsOn-bo ardcomput erand displays

Safety
systems Warning/
indicator
lamp 00510051
Signal type
Possible causes/co nsequences and0050 0050
Solutions 0027004D
0051
0027 (USAonly)or004D (Canada only):thered brake system warning lamp
is lit while theengine isrunning. Awarning tonealsosounds.
G WARNING
There isnot enough brakefluidinthe brake fluidreservoir.
The braking effectmaybeimpaired.
There isar isk ofan accident.
X Pull over andstop thevehicle safelyassoon aspossible, payingatten tionto
road andtraffic condition s.Do not cont inue driving underanycircumst ances.
X Secure thevehicle against rollingaway(Ypage 134).
X Do not add brake fluid.Adding morewillnotcorrect themalfunction .
X Consult aquali fied specialist workshop.
X Observe theadditional displaymessages inthe multifunct iondisplay . 0027
0051
USA only: thered brake system warning lampislit while theengine isrun-
ning. Themultifunct iondisplay alsoshows adisplay message withthe0026
symbol.
The brake pads/linings havereached theirwear limit.
X Visit aquali fied specialist workshop. 0025
0051
The yellow ABSwarning lampislit while theengine isrunning.
ABS (anti-lock brakingsystem) ismalfunction ing.
If there isan additional warningtone,theEBD (electronic brakeforcedistribu-
tion) ismalfunction ing.
Other driving systems anddriving safetysystems mayalsomalfunction .
G WARNING
The brake system continues tofunct ionnormally, butwithout thefunct ionslis-
ted above. Thefront andrear wheels couldtherefore lockifyou perform afull
brake application, forexample.
The steerability andbraking characterist icsmay beseverely affected. Thebrak-
ing distance inan emergency brakingsituation canincrease.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident.
X Observe theadditional displaymessages inthe multifunct iondisplay .
X Drive oncarefully.
X Visit aquali fied specialist workshop immediately.
If the ABS controlunit isdefective, thereisalso apossibili tythat other systems,
such asthe navigation systemorthe automatic transmission,willnotbeavaila -
ble. Indicator
andwarning lamps
211On-board computerand displays Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 0027004D
00E500BB
0025 0051
0027 (USAonly),004D (Canada only):the red brake warninglamp andthe
yel low ESP®
,E SP ®
OFF andABS warning lamp sarelitwhi lethe engine isrun-
ning.
ABS andESP®
are malfu nctioning.
Other drivingsystems anddrivingsafety systems mayalsom alfunction.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.The front andrear whee lscoul dtherefore lockifyou perform afull
brake application, forexampl e.
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebrak-
ing dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Drive oncarefu lly.
X Visi taq ualified speci alist worksho pimmed iately. 00E5
0051
The yellow ESP®
war ning lamp flashes whilethe vehicl eisinm otion.
ESP ®
or traction controlhasintervened becausethere isar isk ofskiddi ngorat
lea stone whee lhas started tospin.
Cru isecontrol orActive Distance AssistDISTRONIC isdea ctivated.
X When pulling away,only depre ssthe accele ratorpedalasf ar as necessa ry.
X Ease offthe accele ratorpedalwhile the vehicl eisinm otion.
X Adapt yourdrivi ng style tosui tthe road andweather conditions.
X Do not deactivate ESP®
.
In rare cases (Ypag e61)itmay bebest todea ctivate ESP®
.
Observe theimpor tantsafety notesonESP ®
(Y pag e61). 00E500BB
0051
The yellow ESP®
and ESP®
OFF warning lamp sarelitwhi lethe engine isrun-
ning.
ESP ®
is malfu nctioning.
Other drivingsystems anddrivingsafety systems mayalsom alfunction.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.
The braki ngdista nceinan emerge ncybraki ngsitua tioncanthus increas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Drive oncarefu lly.
X Visi taq ualified speci alist worksho pimmed iately. 212
Indi
cator andwarni nglampsOn-bo ardcomput erand displays

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 00BB
0051
The yellow ESP®
OFF warning lamp islit whi lethe engine isrunning orthe
ECO start/stop functionisactiva ted.
ESP ®
is dea ctivated.
G WARNING
If ESP ®
is swi tched off,ESP ®
is unab leto stabi lizethevehicl e.
Further drivingsystems ordrivi ngsafety systems arethus restricted.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Rea ctivate ESP®
.
In rare cases (Ypag e61)itmay bebest todea ctivate ESP®
.
Observe theimpor tantsafety notesonESP ®
(Y pag e61).
X Adapt yourdrivi ng style tosui tthe road andweather conditions.
If ESP ®
cannot beactiva ted:
X Drive oncarefu lly.
X Have ESP®
checked ataq ualified speci alist worksho p. 0074
0051
Only Mercede s-AMGSLC43:
The yellow SPORT handlingmode warninglamp islit whi lethe engine isrunning.
SPORT handlingmode isactiva ted.
G WARNING
When SPORT handlingmode isswi tched on,ESP ®
is unab leto stabi lizethevehi-
cle.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Only switch toSPORT handlingmode inaccorda ncewith theconditions
descri bedinthe "Activating/d eactivatingESP®
"s ection (Ypag e61). 00490024
0051
0049 (USAonly),0024 (Canada only):the red indica torlamp forthe electric
parki ngbrake flashes orislit and/or theyellow warni nglamp forthe electric
parki ngbrake islit.
X Observe theadditiona ldisp lay messa gesinthe multi function display. 0075
0051
The redrestrai ntsystem warning lamp islit whi lethe engine isrunning.
The restrai ntsystem ismalfu nctioning.
G WARNING
The airbag sorEmergency TensioningDevices mayeither betriggere duninten-
tional lyor, inthe event ofan accide nt,may notbetriggere d.
There isan increas edrisk ofinjury .
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Drive oncarefu lly.
X Contact aqualified speci alist worksho pand have therestrai ntsystem
checked.
For further informati onabo utthe restrai ntsystem, see(Ypag e39). Indi
cator andwarnin glamps
213On-boardcomput erand displays Z

Engine
Wa
rning/
ind icat or
lam p 00510051
Signa ltyp e
Possi blecauses/cons equences and0050 0050
Solu tions 00B9
0051
The yellow CheckEnginew arning lamp lightsupw hile thee ngine isrun ning.
Ther emaybe am alfunc tion,for exam ple:
R in thee ngine man agem ent
R in thef uel inject ion syst em
R in thee xhaust system
R in thei gn ition syst em
R in thef uel syst em
The emis sion limit values maybeexc eeded andthee ngine may beinemer -
gen cymod e.
X Visi taq ualifi edspec ialist workshop immediat ely.
In som estate s, you must immediat elyvisitaq ualifi edspec ialist workshop as
soon asthey ellow CheckEnginew arning lamp lightsup.This isdue tothel egal
requi rementsine ffect inthese state s.Ifin doubt ,che ck whet hersuchlegal reg-
ulati onsa pply inthes tate inwhic hyou are curren tlydriv ing. 00B6
0051
The yellow reservefuel warn inglamp lightsupw hile thee ngine isrun ning.
The fuel levelhas dro pped intot he res erverange.
X Refuel atthen ear est gas statio n. 00B6
0051
The yellow reservefuel warn inglamp flashes while thev ehicle isin mot ion.
In addit ion,the 00B9 CheckEnginew arning lamp maylight up.
The fuel fillercap isno tc losed correctlyorthef uel syst emisleak ing.
X Chec kthatthe fuel fillercap iscor rectlyclosed.
X Ifth ef uelfiller capisnot corr ectly closed :clo sethef uel fillercap.
X Ifth ef uelfiller capisclosed :visi taq ualifi edspec ialist workshop. 00AC
0051
The redcoolant warn inglamp lightsupw hile thee ngine isrun ningand the
coo lant temper aturegage isat thes tart of thes cale.
The temper aturesensor forthec oolant temper aturegage ismalf unctionin g.
The coolant temper atureisn olon ger bein gmonito red. Thereisar iskofeng ine
damag eifthe coo lant temper atureist oo high .
X Pull overand stop thev ehicle safe lyand switchoff thee ngine ,payin gatten-
tio nt or oad andtraff iccon dition s.Do notc ontin ue driv ingunde rany circum -
st anc es.
X Sec ure thev ehicle again stroll ing away (Ypage 134).
X Con sult aqualifi edspec ialist workshop. 214
Indica
torand warning lampsOn-boar dcomp uter and displa ys

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblec ause s/cons equen cesand 0050 0050
Sol utions 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola ntleve list oo low .
If the coola ntleve lisc orrect, theairflowtothe engine radiator may beblocked
or the electric engineradiator fanmay bedefective .
The coola ntistoo hotand theengine isno longer being coole dsuffi ciently .
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Pul lover and stop thevehicl esafel yand swi tch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eagainst rolling awa y(Ypag e134).
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil the engine
has coole ddown.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e243) .
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked.
X Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X Do not start theengine againuntil thecoola nttempera turegage isbel ow the
H marking (Ypag e169) .Otherwi se,the engine couldbedama ged.
X Drive tothe neares tqualified speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola nttempera turegage hasexceede dthe Hmarking (Ypag e169). The
airfl owtothe engine radiator may beblocked orthe coola ntleve lmaybe too
low .
G WARNING
The engine isnot being coole dsuffi ciently andmay bedama ged.
Do not drive when yourengine isoverhe ated.Thiscancaus esome fluidswhi ch
may have leaked into theengine compartment tocatch fire.
Steam fromtheoverhe atedengine canalsoc aus eserio usburns whichcan
occur justbyopeni ngthe hood.
There isar isk ofinjury .
X Observe theadditiona ldisp lay messa gesinthe multi function display.
X Pul lover and stop thevehicl esafel yand swi tch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eagainst rolling awa y(Ypag e134) .
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil the engine
has coole ddown.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e243).
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked. Indi
cator andwarnin glamps
215On-boardcomput erand displays Z