2019 MERCEDES-BENZ SLC ROADSTER engine

the
vehicleon the desired course withi nph ysi-
cal limi ts. ESP ®
as sists the driver when pulling
aw ay on wetor slip pe ry roa ds.ESP ®
can also
sta bilize the vehicledu rin gbra king .
ETS (Electro nicTrac tionSys tem) i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 57).
ETS tractio ncontro lis pa rtof ESP ®
.
ETS brakes thedrive wheelsind ividu ally ifthe y
sp in. Thisena bles youto pullaw ay and accel-
era teon slip pe ry surfa ces ,for exa mpl eif the
roa dsu rfa ce isslip pe ry on one side .In addi-
tio n,mor edri ve torq ueistra nsfe rredto the
wh eelor wh eelswith tra ctio n.
ETS remains acti vewhen youde acti vate ESP ®
.
Impo rtant safety notes G
WA
RNING
If ESP ®
is ma lfunctio ningitwi llnot provide
any vehiclesta bilizati on. Thereisan
incr easedris kof ski dding orofan acc ident.
Exerc ise cau tionwh en conti nuing todrive.
Hav eESP ®
che cked ataqu alifi ed speci alist
wo rksh op.
Wh entow ingthe vehiclewi th the rearaxl e
ra ised ,ob serve the note son ESP ®
(Y page 264 ).
If the 00BB ESP®
OFF warning lamp lights up
conti nuously,the nESP ®
is de acti vated .
If the 00E5 ESP®
wa rning lamp and the00BB
ESP ®
OFF warning lamp arelit conti nuously,
ESP ®
is not availabl e du eto ama lfunctio n.
Ob serve the inform ation on warning lamps
(Y page 211 )and disp laymes sage swh ich
ma ybe sho wninthe instrument cluste r
(Y page 183 ).
i Onl
yus ewh eelswith the reco mme nded
tire sizes .Onl ythe nwi llESP ®
functio npro p-
erl y. Ch
arac teristics ofESP® Ge
neral info rmatio n
If the 00E5 ESP®
wa rning lamp goes out
be for ebe ginning thejourney ,ESP ®
is au to-
ma tica lly acti ve.
If ESP ®
inte rvenes ,the 00E5 ESP®
wa rning
la mp flashe sin the instrument cluste r.
If ESP ®
inte rvenes :
X Do not deacti vate ESP ®
und erany circum -
sta nces .
X Onl yde pre ssthe accelera tor pedalas faras
nece ssarywh en pulling away.
X Ada ptyour drivin gsty leto suitthe prevailing
roa dand weath ercond itions .
EC Ostart/ stopfun ction
Th eECO start/sto pfu nctio nsw itch esthe
eng ineoffautoma tically wh en the vehicle
stop smov ing.Th eeng inestarts automa tically
wh en the driver wants topullaw ay again.
ESP ®
rem ains inits pre viouslyse lected status ,
e.g .if ESP ®
wa sde acti vated befor ethe engine
wa sau toma tically sw itch edoff.
De activ atin g/activ atin gES P®
(e xc ept
Me rce des -AMG SLC43) Impo
rtant safety notes
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 57) .
Yo ucan select betwe enthe followi ng states of
ESP ®
:
R ESP ®
is acti vated
R ESP ®
is de acti vated G
WA
RNING
If yo ude acti vate ESP ®
,ESP ®
no longe rsta -
bi lizes thevehicle. There isan incr easedris k
of ski dding and anacc ident.
Onl yde acti vate ESP ®
in the situa tions
de scri bedin the followi ng.
It ma ybe best to deacti vate ESP ®
in the fol-
lo wi ng situa tions:
R wh en using snowcha ins
R in de ep sno w
R on sand orgra vel Dr
ivi ng safet ysy stem s
61Safet y Z

tics
.Hav ethe brakesyste mche cked ata
qu alifi ed speci alistwo rksh op.
Ob serve inform ation reg arding indicator and
wa rning lamps (Ypage 210 )as wellas disp lay
mes sage s(Y page 185 ). AD
APTIVE BRAKE
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 57).
ADAPT IVEBRAKE enhance sbra king safety and
off ers incr easedbra king comf ort.Inadditio n
to the braking functio n,ADAPT IVEBRAKE also
ha sthe HOLD functio n(Y page 151) andhill
sta rtas sist (Y page 120 ). Pro
tectionaga inst the ft Immo
bilizer
X To activ ate with the SmartK ey:rem ove
the Sma rtKeyfro mthe igniti onlock.
X To activ ate with KEYLES S-G O:switch the
ig niti onoff and open the driver 'sdo or.
X To dea ctivate :sw itch onthe igniti on.
The immob ilize rpre vents your veh iclefro m
be ing started withou tthe corr ectSma rtKey.
Wh enleav ing the vehicle, alwa ystake the
Sma rtKeywi th youand lock the vehicle. The
eng inecan bestarted byany one with ava lid
Sma rtKeytha tis left ins ide the vehicle.
i The
immob ilize ris alwa ysdeacti vated
wh en yousta rtthe engine.
In the eventtha tthe enginecann otbe star-
ted (yet the vehicle'sba ttery ischa rged),
the syste misnot opera tional .Co ntact an
au thor izedMe rced es-Benz Center orcal l
1-800 -FOR-MER Cedes(in the USA) or
1-800-38 7-0100(in Ca nad a). ATA
(anti-the ftalarm system) X
To arm: lock the vehiclewi th the Sma rtKey
or KEYL ESS-GO .
Indi cato rla mp 0043flashe s.The alarm system
is arm edafte rap pro xima tely15 seco nds.
X To switchoff :unl ock thevehiclewi th the
Sma rtKey orKEYL ESS-GO .
A vis ualand audible alarm istrig geredifthe
al arm system isarm edand youop en:
R ado or
R the vehiclewi th the mech anical key
R the trunk lid
R the hood
R the glove comp artment
R the stow agespa ceund erthe arm rest
X To
sto pthe alarm with the SmartK ey:
pre ssthe 0036 or0037 button onthe
Sma rtKey .
The alarm isstop ped.
or
X Inse rtthe Sma rtKey intotheigniti onlock.
The alarm isstop ped.
X To
sto pthe alarm using KEYLES S-GO :
gra spthe outsid edo or handl e.The Sma rt-
Key mustbe outsid ethe vehicle.
The alarm isstop ped.
or
X Pre ssthe Start/ Stopbutton onthe dash-
bo ard .The Sma rtKey mustbe inside the
veh icle.
The alarm isstop ped.
The alarm isnot stop ped, eve nif yo uclo sethe
op en door tha ttrig geredit,for exa mpl e.
If the alarm stayson for more than
30 seco nds,the Mer cedesme conne ct
eme rgency callsy stem automa tically send s
a mes sage tothe Custom erCe nter. 64
Pro
tectionagai nstthef tSafe ty

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 isarisk 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 sto the
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isarisk 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 tin the 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 178).
When itis dark, thesurround lightingalso
comes onifit is activated inthe on-board
computer (Ypage 177). KEY
LESS-GO
General notes Bear
inmind thattheengine canbestarted by
any ofthe vehicle occupants ifthere isaKEY-
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 259).
or
X Jump-start thevehicle (Ypage 260).
or
X Consult aquali fiedspecialist 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 ataqual ified 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 isarisk ofan accident andinjury. Doo
rs
71Opening 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. Thereisarisk 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 gall side win-
dows
Using theswitch onthe center con-
sole G
WARNING
While opening theside windows, bodyparts
in the closing areacould become trapped.
There isarisk 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

Problems
withtheroof Problem
Possible
causes/co nsequences and0050 0050
Solutions The
roof willnotopen or
close. The
trunk partition isnot closed andnotproperly engaged.
X Close thetrunk partition (Ypage 80). The
trunk lidisopen.
X Close thetrunk lid(Ypage 74). The
on-board voltageistoo low.
X Leave theengine running. The
roof hasbeen opened andclosed several timesinarow. The
roof drive hasswitched offautomatically.
You canopen andclose theroof again afterapproximately ten
minutes.
X Switch offthe ignition andturn itback on.
X Repeat theopening orclosing procedure. The
automatic roofsystem isfaulty.
X Visit aquali fiedspecialist workshop. 84
RoofOpening
andclosing

e.g.
blanket s,coats, bags,protec tivecov-
ers, child seats orbooster seats.
R When theseat heating isswitched on,the
seat surface canbedamaged asaresult
of objec tsbeing placed onthe seats, for
example, seatcushions ,child seats and
protec tivecover snot approved by
Mercedes- Benz.
! Make
surethatthere arenoobjec tsinthe
footwell underorbehind theseats when
movin gthe seats back. There isarisk that
the seats and/or theobjec tscould bedam-
aged.
i The
head restraints areequipped withthe
NECK- PROsystem (Ypage 52).Forthis rea-
son, itis not possible toremove thehead
restr aints fromtheseats.
For more information ,con tact aqualified
specialist workshop. Adju
sting theseats manually X
Seat fore-a nd-aftadj ustm ent:liftlever 0043
and slide theseat forwards orbackwards.
X Release lever0043again.
Make surethatyouhear theseat engage in
position .
X To adj ust the backrest angle:relieve the
pressure onthe backr est.
X Pull handle 0044and move backresttothe
desired angle.
X Release handle0044again.
The backr estmust audibly engage.
X To adj ust the seat height: pullhandle 0087
upwards orpush itdown repeatedly until
the seat hasreached thedesired height. Adju
sting theseats electrically 0043
Back restangle
0044 Seat fore-and-aft adjustm ent
0087 Seat cushion angle
0085 Seat height
i You
canstorethe seat settings using the
memory function (Ypage 95). Adju
sting thehead restraints G
WARN
ING
You could losecontrol ofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirror s
R fasten theseat belt
There isarisk ofan acciden t.
Adj ust the driver's seat,head restraint,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine. X
To raise/lower: pushthehead restraint
upwards orpull itdown intothedesired
position . Seats
87Seats,steering wheelandmirrors Z

Adju
stthe driver 'ssea t,hea dres trai nt,
stee ring wheeland mirror and fasten your
sea tbe ltbe fore starting theengine. G
WA
RNING
Ch ildre ncou ldinju rethem selves ifthey
ad jus tthe stee ring wheel.The reisaris kof
inju ry.
Nev erleav echi ldren unsuperv ised inthe
veh icle.
Whe nleav ing the vehicle, alwa ystake the
Sma rtKeywi th youand lock the vehicle. Thi s
al so appliesfor the DigitalVeh icleKey ifthe
"Di gital Veh icleKey "fu nctio nis acti vated via
Mer cedesme conne ct.
The electri callyad jus tab lestee ring wheelcan
sti llbe adjus ted when ther eis no Sma rtKeyin
the igniti onlock. Adjus
tingthe steering wheelman-
ual ly G
WA
RNING
If the stee ring wheelis unl ocke dwh ile the
veh icleis in moti on,itcou ldcha nge positio n
une xpected ly.Thi scou ldcau seyouto lose
contro lof the vehicle. The reisaris kof an
acci dent.
Befo resta rting off,makesure the stee ring
wh eelis locked .Nev erunl ock thestee ring
wh eelwh ile the vehicleis in moti on. 0043
Releas elever
0044 Adju ststhe stee ring wheelhei ght
0087 Adju ststhe stee ring wheelpo sitio n(fo re-
and -aftad jus tment)
X Pu sh release lever 0043down comp letel yin
the directi onofthe arrow .
The stee ring colum nis unl ocke d.
X Adju stthe stee ring wheelto the desired
po sitio n.
X Pu sh release lever 0043upcomp letel y.
The stee ring colum nis locked .
X Ch eck ifthe stee ring colum nis locked .
Whe ndo ing so,trytopush the stee ring
wh eelup ordown ortry tomove itin the
fore -and -aftdi recti on. Adjus
tingthe steering wheelel ec tri-
cal ly 0043
Adju ststhe stee ring wheelhei ght
0044 Adju ststhe stee ring wheelpo sitio n(fo re-
and -aftad jus tment)
i Further relate dsu bje cts:
R EASY-ENT RY/EXIT feature (Ypage 91)
R Stori ngsetti ngs(Ypage 95) 90
Ste
ering wheelSe ats, steering whe elan dmirro rs