2020 MERCEDES-BENZ SLC ROADSTER warning

4m
ph(7km/h) .Itu sesr ada rsensor technol-
ogy toasse ssthe traffic situation.
Up toas pee dofapp roxima tely155 mph
(250 km/h) ,Adap tive Brake Assist iscapa ble
of reacti ngtomoving objects thathave
al read ybeend etected assuch atlea stonce
over theperiodofobse rvatio n.
Up toas pee dofapp roxima tely44mph
(70 km/h) ,Adap tive Brake Assist reacts to
stationa ryobsta cles.
If Adap tiveBrake Assist demandsparti cularly
high braki ngforce, preventative passenger
protectio nmeasures (PRE-SAFE ®
)a re activa -
ted simu ltaneo usly(Ypag e53).
X Keep thebrake pedaldep resse duntil the
emerg encybrakingsitua tionisover.
ABS preve ntsthe whe elsfrom locking.
The brake swillw ork normal lyaga inif:
R you release thebrake pedal
R there isno longe rany dange rofac ollision
R no obsta cleisdetected infront ofyou rvehi -
cle
Adap tiveBrake Assist isthen deactivated .
Important safetynotes G
WARNING
Adap tiveBrake Assist cannot alwa ysclea rly
ide ntify objects andcompl extraffic situa-
tions.
In such cases ,Adap tive Brake Assist can:
R intervene unnecessarily
R not intervene
There isar isk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead ytob rake .Termi nate
the interventio nina non-critical drivingsit-
ua tion. G
WARNING
Adap tiveBrake Assist doesnotreact:
R to peop leor anima ls
R to oncoming vehicles
R to crossi ngtraffic
R whe ncornering As
aresu lt,the Adap tiveBrake Assist may
not intervene inallc ritica lconditio ns.There
is ar isk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead ytob rake .
Alwa ysada ptyou rspee dtos uitt he preva il-
ing road andtraffic conditio ns.
Due tothe nature ofthe system, particularly
compl icated butnon-critical drivingconditio ns
may also cau seAdap tiveBrake Assist tointer-
vene.
If Adap tiveBrake Assist isnot available due to
am alfunction inthe rada rsensor system, the
brake system remai nsava ilable with fullbrake
boos tingeffect andBAS. Adaptive
brakelights
i Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
If you brake sharplyfrom aspee dofm ore than
50 km/h orifbraki ngisassi sted byBAS or
Brake Assist withCross-Traffi cAssist, the
brake lamps flash rapi dly.Int his way,traffic
travel ingbehi ndyou iswa rned inan even
more noticea blemanner.
If you brake sharplyfrom aspee dofm ore than
70 km/h toas tandsti ll,the haza rdwa rning
la mps areactiva tedautomatica lly.Ift he
brake sareapp lieda gain, the brake lamps light
up continuou sly.The haza rdwa rning lamps
swi tch offautomatica llyifyou travel faster
than 10km/h. Youcanalso swi tch offthe
haza rdwa rning lamps using the haza rdwa rn-
ing button (Ypag e99). ESP
®
(E lec tronic StabilityProgram)
Gene ralnote s i
Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
ESP ®
monitors drivingstabi lityand traction,
i.e. pow ertransmis sionbetwe enthe tires and
the road surface.
If ESP ®
detects thatthevehi cleisdevi ating
from thedirection desiredbythe drive r,one or
more wheelsare brake dtos tabi lize thevehi -
cle. The engine outputisa lsom odified tokeep 60
Driv
ingsafety systemsSafety

the
vehicleo nthe desired course withi np hysi-
cal limi ts. ESP ®
as sists the driver when pulling
aw ay on wetorslipper yroads.E SP ®
can also
sta bilize the vehicled uringb raking .
ETS (Electro nicT rac tionS ystem) i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Ypa ge 57).
ETS tractio ncontro lisp arto fESP ®
.
ETS brakes thedrive wheelsind ividu ally ifthe y
sp in. Thisenables yout op ulla wa ya nd acc el-
era teon slip pe ry surfa ces ,for exa mpl eifthe
roa dsurface isslip pe ry on one side .Ina ddi-
tio n,mor edrive torq ueistra nsfe rredtothe
wh eelo rw heelsw itht ractio n.
ETS remains acti vewhen youd eacti vate ESP ®
.
Impo rtant safety notes G
WA
RNING
If ESP ®
is ma lfunctio ningitwi llnot provide
any vehicles tabilizati on. Thereisan
incr easedr isko fskidd ing orofan acc ident.
Exerc isec autio nw henc onti nuing todrive.
Hav eESP®
che cked ataq ualifi ed speci alist
wo rksh op.
Wh entow ingthe vehiclew itht he rea raxle
ra ised ,observe the note sonE SP®
(Y page 265 ).
If the 00BB ESP®
OFF warning lamp lights up
conti nuously,t he nE SP®
is de acti vated .
If the 00E5 ESP®
wa rning lamp and the00BB
ESP ®
OFF warning lamp arel itconti nuously,
ESP ®
is not availabl ed uetoam alfu nctio n.
Ob serve the inform ation on warning lamps
(Y page 212 )and disp laym essage sw hich
ma ybeshown inthe instrument cluste r
(Y page 184 ).
i Onl
yusewheelswith the reco mme nded
tire sizes .Onlyt henw illE SP ®
functio nprop-
erl y. Ch
arac teristics ofESP® Ge
neral info rmatio n
If the 00E5 ESP®
wa rning lamp goes out
be for eb eginning thejourney ,ESP ®
is au to-
ma tica llya ctive.
If ESP ®
inte rvenes ,the 00E5 ESP®
wa rning
la mp flashe sint he instrument cluste r.
If ESP ®
inte rvenes :
X Do not deacti vate ESP ®
und erany circum -
sta nces .
X Onl ydepress the accelera tor pedalasf ar as
nece ssarywh en pulling away.
X Ada ptyour drivin gs tyle to suitthe prevailing
roa dand weath ercond itions .
EC Os tart/ stopfuncti on
The ECO start/sto pfunctio nswitch esthe
eng ineoffautoma ticallyw hent he veh icle
stop smoving .The engin estarts automa tically
wh en the driver wants topullaw ay again.
ESP ®
rem ains inits pre viouslyse lected status ,
e.g .ifE SP ®
wa sd eacti vated befor ethe eng ine
wa sa utoma ticallys witch edoff.
De activ atin g/activ atin gESP®
(e xc ept
Me rce des -AMG SLC4 3) Impo
rtant safety notes
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Ypa ge 57) .
Yo uc an select betwe enthe followi ng states of
ESP ®
:
R ESP ®
is acti vated
R ESP ®
is de acti vated G
WA
RNING
If yo ud eacti vate ESP ®
,E SP ®
no longe rsta-
bi lizes thevehicle. There isan incr easedr isk
of ski dding and anacc ident.
Onl ydeacti vate ESP ®
in the situa tions
de scri bedint he followi ng.
It ma ybeb esttod eacti vate ESP ®
in the fol-
lo wi ng situa tions:
R wh en using snowchains
R in de ep sno w
R on sand orgra vel Dr
ivi ng safet ys ystems
61Safet y Z

Spi
nning thewheel sresults inac utti ngacti on
wh ich provides bette rgrip.
i Activa
teESP ®
as soo nasthe situ ations
des crib edabove nolonger apply. ESP ®
wi ll
othe rwisenot beableto stab ilize the vehicle
if the vehicles tartsto skid oraw heelstar ts
to spi n.
! Avoi
dspinning thedriven wheel sfor an
extend edper iodw ithE SP®
dea ctiva ted.You
cou ldothe rwisedamag ethe drivetra in.
De acti vatin g/acti vatin gESP® X
To deac tivate :pre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
instru ment cluster lights up.
X To acti vate :pre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
instru ment cluster goesout.
Chara cteristi cswhe nESP®
is deac tiva-
ted
If ESP ®
is dea ctiva tedand one ormore wheel s
star ttos pin, the 00E5 ESP®
wa rning lamp in
the instru ment cluster flashe s.In such situ a-
tions ,ESP ®
wi llnot stab ilize the vehicle.
If yo ud eactiva teESP ®
:
R ESP ®
no longer improve sdriving stability
R engi netorqu eisn olon ger limite dand the
dri ve wheel sareableto spi n
R tracti oncontrol isstil lacti vate d
R Active BrakeAssistisno longer availab le;
nor isitacti vate difyou bra kefirm lywith
as sis tance fromESP® R
PR E-SAFE ®
is no longer availab le,n or isit
acti vate difyou bra kefirm lyand ESP®
inter -
vene s
R ESP ®
stil lprovid es suppo rtwh en youb rake
firm ly
De acti vatin g/acti vatin gESP®
(e xc ept
Merc edes-AMG SLC4 3) Impo
rtant safetynotes
i Obs
erve the"Important safety notes "sec-
tion (Ypage 57).
You canselect betw eenthefollowi ng state sof
ESP ®
:
R ESP ®
is acti vate d
R SPOR Thandling mod eisa ctivate d
R ESP ®
is dea ctiva ted. G
WARNI
NG
Whe nSPOR Thandling mod eisa ctivate d,
there isag reate rrisko fskid ding and acci-
dents .
Only activate SPOR Thandling mod eint he
situ ations describ edinthe followi ng. G
WARNI
NG
If yo ud eactiva teESP ®
,E SP ®
no longer sta-
bi lizes thevehicle. The reisan incre ased risk
of skid ding and anacci dent.
Only deactiva teESP ®
in the situations
des crib edinthe followi ng.
In the followi ng situ ations, itmay bebette rto
acti vate SPOR Thandling mod eordeactiva te
ESP ®
:
R wh en using snow chains
R in dee psnow
R on sand orgra vel
R on spe ciallyd esignate droads when the
veh icle's owno verstee ringandunderste er-
ing characte ristics aredesired
Spi nning thewheel sresu ltsinac utti ngacti on
wh ich provides bette rgrip.
Drivi nginSPOR Thandling mod eorwithou t
ESP ®
req uires anextrem elyq ualifi ed and
expe rienced driver. 62
Dri
vin gsafe tysys temsSafe ty

i
Activa
teESP ®
as soo nasthe situa tions
de scri beda bove no longe rapply.E SP ®
wi ll
othe rwisenot beableto sta bilize the vehicle
if the vehicles tarts toski do raw heelsta rts
to spi n.
! Avoi
dspinning thedriven wheelsfor an
exte ndedperiodw ithE SP®
de acti vated .You
cou ldothe rwisedama gethe drivetra in.
De acti vati ng/ac tivatin gESP® X
To acti vate SPORThand ling mode :bri efly
pre ssbutton 0043.
The 0074 SPORThandling mod ewarning
la mp inthe instrum entcluster lights up.The
SPO RTHandling Mode SPO
RTHandling Modemes sage appe arsi n
the multifu nctio ndispl ay .
X To
deac tivate SPO RThand ling mode :
bri eflyp ress button 0043.
The 0074 SPORThandling mod ewarning
la mp inthe instrum entcluster goesout.
X To deac tivate ESP®
:pre ssbutton 0043unti l
the 00BB ESP®
OFF warning lamp lights up
in the instrum entcluster .
The 00E5 OFF OFF
message appe arsi nt he mu lti-
fu nctio ndispl ay .
X To acti vate ESP®
:bri eflyp ress button 0043.
The 00BB ESP®
OFF warning lamp inthe
ins trum entcluster goesout.T he 00E5 ESP®
ON ON
mes sage appe arsi nt he mu ltifu nctio n
di spl ay.
Cha racte risticso facti vate dSPORT han-
dli ng mode
If SPOR Thandling mod eisa ctivated and one
or more wheelssta rtto spi n,the 00E5 ESP®
wa rning lamp inthe instrum entcluster flashe s.
ESP ®
onl ystabilizes thevehiclet oal imite d
de gre e. Whe
nSPOR Thandling mod eisa ctivated :
R ESP ®
onl yimp rove sdriving stability to a
li mite ddegree
R trac tionc ontro liss till acti vated
R eng inetorq ueisno longe rlim ite da nd the
dri ve wheelsarea blet os pin
R ESP ®
sti llpro vides supp ort when youb rake
fir mly
Cha racte risticsw henE SP®
is deac tiva-
ted
If ESP ®
is de acti vated and one ormore wheels
sta rtto spi n,the 00E5 ESP®
wa rning lamp in
the instrum entcluster flashe s.In such situa -
tio ns, ESP ®
wi llnot stabilize the vehicle.
If yo ud eacti vate ESP ®
:
R ESP ®
no longe rimp rove sdriving stability
R eng inetorq ueisno longe rlim ite da nd the
dri ve wheelsarea blet os pin
R trac tionc ontro liss till acti vated
R Active BrakeAssi stisno longe ravailab le;
nor isitacti vated ifyo ub rake firmly with
as sista nce from ESP®
R PR E-SAFE ®
is no longe ravailab le,nor isit
acti vated ifyo ub rake firmly and ESP®
inte r-
vene s
R ESP ®
sti llpro vides supp ort when youb rake
fir mly EBD
(electro nicb rake force distrib u-
tio n)
Ge neral info rmatio n EBD
moni torsandcontro lsthe brakepre ssu re
on the rearwheelst oimp rove driving stability
wh ileb raking .
Impo rtant safetynotes i
Obs
ervethe "Impo rtant safety notes "sec-
tio nfor driving safety system s(Ypa ge57). G
WA
RNING
If EBD isma lfunctio ning,the rea rwheelsc an
lo ck, e.g.und er fullbra king .Thisi ncr eases
the risko fskidd ing and anacci dent.
Yo us houldt her eforeadapty ou rd riving
sty leto the differ ent handl ing characteri s- Dri
ving safe tysys tems
63Safety
Z

Smar
tKey Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isar isk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
WARNING
If you attach heavyorlarge object stot he
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isar isk ofan accident.
Do not attach anyheavy orlarge object sto
the SmartK ey.Remove anybulky keyrings
before insertin gthe SmartK eyinto theigni-
tion lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe
vicinity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
This canaffect thefunct ionality ofthe
SmartK ey. Smar
tKeyfunctions 0043
0037 Locks thevehicle
0044 0054 Unlock sthe trunk lid
0087 0036 Unlock sthe vehicle
X To unlock centrally: pressthe0036 but-
ton.
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again.
R anti-t heftprotect ionisreactivated
X To lock centrally: pressthe0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the trunk lid
R the stowage compartmen tint he cent ercon-
sole
R the fuel filler flap
The turn signals flashonce when unlocking
and three times whenlocking.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 179).
When itis dark, thesurround lightingalso
comes onifit is activated inthe on-board
computer (Ypage 178). KEY
LESS-GO
General notes Bear
inmind thattheengine canbestarted by
any ofthe vehicle occupants ifthere isaK EY-
LES S-GO keyinthe vehicle (Ypage 120). 66
Smar
tKeyOpening andclosing

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine cannot be
started usingtheSmart-
Key. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 260).
or
X Jump-start thevehicle (Ypage 261).
or
X Consult aquali fied specialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. The
vehicle islocked.
X Unlock thevehicle andtrytostart thevehicle again. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 69)and replace itifneces-
sary (Ypage 69).
If this does notwork:
X Start yourvehicle withtheSmartK eyinthe ignition lock. There
isinterf erence fromapowerful sourceofradio waves.
X Start yourvehicle withtheSmartK eyinthe ignition lock. You
have lostaSmart-
Key. X
Have theSmartK eydeactivated ataq ualified specialist work-
shop.
X Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. You
have lostthe
mechanical key. X
Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. The
side windows can-
not beopened orclosed
using theconven ience
opening/c losingfea-
ture. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 69)and replace itifneces-
sary (Ypage 69). Doo
rs Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isar isk ofan accident andinjury. Doo
rs
71Opening andclosing
Z

Aut
oma ticl ocki ngfea ture X
To dea ctivate: pressand hold button0043 for
about fives econ ds unt ilat ones oun ds.
X To act ivate: pressand hold button0044 for
about fives econ ds unt ilat ones oun ds.
If you pressoneo fthe two buttons and donot
hear atone,ther elevan tsetting has already
been selected.
The vehiclei sloc keda uto mat icallywhen the
ign ition isswit ched on and thew hee lsare
tur nin g.
You could there foreloc ky ours elfout if:
R thev ehiclei sb ein gp ush ed.
R thev ehiclei sb ein gtow ed.
R thev ehiclei so nar oller dyn amom eter.
You canalso switchthea uto mat icloc king
fun ction onand offusin gthe on-board com-
put er(Y page 179). Unlock
ing/lockingthe driver 'sdoor
usi ng them echa nica lkey
i If
you want tocentrally lockthe veh icle
usin gthe mec hanical key,begi nbypressi ng
th el oc king but tonf or thei nteri or loc king
mec hanism while thed river 'sdoor isopen .
The nlockt he driver 'sdoor usingthe
mec hanical key. X
To unl ock: turnthe mec hanical keyc oun-
te r-clo ckwise asfar asitwill gotopos ition
0047.
X To lock: turnthe mec hanical keyc lock wise
as far asitwill gotopos ition 0047.
If you usethem echan ical keyt ou nloc ka nd
open thed river 'sdoor ,the ant i-thef talarm
syst emwill betrigge red.Switcho ffthea larm
(Y page 64). Tr
unk Imp
ortant safety notes G
WAR
NING
If obj ects,luggag eorloads arenotsecured
or notsecured sufficien tly, they could slip,
ti po vero rb eflun garou ndand there byhit
veh icleo ccup ant s.The reisar isko finjury,
part icularly inthee vent ofsudd enbrak ing
or as udd enchang eind irec tion .
Alw ays store objects so that they can notb e
flun garou nd.S ecureo bjec ts,luggag eor
loads againstslip pingo rtippin gb efore the
jo urn ey.
! The
trunk lidswin gsupwar dswhen
open ed.Therefore ,makes uret hatthe re is
suf ficien tclearan ceabov ethe trunk lid.
! On
lyclo sethet runk once ther oofisl ow-
ere dcom pletely. Other wise ,you could dam-
age ther oof.
If you closethet runk lidbef ore ther oofis
lower edcomple tely, thel oadi ngaid swit ch
ligh tsup and awarning tone soun ds. Tr
unk
73Opening andclosing Z

one
ofthe front sidewindows duringtheclos-
ing process, theside window opensagain
automatically. Duringthemanual closingproc-
ess, theside window onlyopens againauto-
matically afterthecorrespon dingswitch is
released. However, theautomatic reversing
feature isonly anaid and does notrelieve you
of the responsibility ofpaying attentionwhen
closing aside window. G
WARNING
The reversing featuredoesnotrespond:
R to soft, lightandthin object s,e.g. fingers
R over thelast 1/6 in(4 mm) ofthe closing
movement
R while adjusting
R when closing theside window againman-
ually immediately afterautomatic revers-
ing
This means thatthereversing featurecan-
not prevent someone beingtrapped inthese
situations. Thereisar isk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure. If
someone becomestrapped,pressthe
switch toopen theside window again. Opening
andclosi ngthe side win-
dows inthe front
The switches forthe front sidewindows are
located onthe driver's door.There isalso a
switch forthe front -passenger sidewindow on
the front -passenger door.
The switches onthe driver's doortakeprece-
dence. 0043
Left
0044 Right
X Turn theSmart Keytoposition 0047or0048 in
the ignition lock.
X To open manua lly:press andhold thecor-
responding switch.
X To open fully: press theswitch beyond the
pressure pointandrelease it.
Automat icoperation isstart ed.
X To close manua lly:pull thecorrespon ding
switch andhold it.
X To close fully:pulltheswitch beyond the
pressure pointandrelease it.
Automat icoperation isstart ed.
X To interr uptautom aticoperat ion:press
or pull thecorrespon dingswitch again.
You cancont inue tooperate theside windows
after youswitch offthe engine. Thisfunct ionis
availa bleforuptofive minutes oruntil the
driver's orfront -passenger doorisopened. Opening
andclosin gallside win-
dows
Using theswitch onthe center con-
sole G
WARNING
While opening theside windows, bodyparts
in the closing areacould become trapped.
There isar isk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure. If
somebody becomestrapped,releasethe
switch orpress theswitch downtoopen the
side window again. 76
Side
window sOpening andclosing