2020 MERCEDES-BENZ SLC ROADSTER transmission

Alar
msystem
see ATA( Anti-The ftAlar msystem)
Amb ientlighting
Se tting theb rightne ss (on -board
co mput er)...................................... 178
Se tting thec olor (on -board com-
put er) .............................................1 78
AMG menu (on-bo ardcomputer) .....180
AMG sports suspension
(Me rcede s-AMG SLC43)
Function/notes .............................153
Anti -lockbraking system
see ABS (Anti-lock BrakingSystem)
Anti -skid chains
see Snow chains
Anti -theft alarm system
see ATA (Anti-Theft Alarmsystem)
Ashtray ............................................... 230
Ass istanc edisplay (on-bo ard
co mputer) .............. ............................ 176
Ass istanc emenu (on-bo ardcom-
puter) ..................... .............................175
ASS YST PLUS
Displ aying aservi cemessa ge....... .246
Hidi ngaservi cemessa ge....... ....... 246
Res etting theservi ceinterva ldis-
pla y....... ....... .................................. 246
Service message....... ..................... 245
Specia lservi cerequ ireme nts....... ..246
ATA (Anti-Theft Alarm syste m)
Activating/d eactivating ................... 64
Function ...........................................64
Swi tching offthe alarm <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 64
ATTE NTIO NASSIST
Activa ting/d eactiva ting<0011001100110011001100110011001100110011001100110011001100110011
0011[ 176
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 198
Functi on/note s.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 163
Audi omenu( on-board computer) ....174
Audi osystem
see DigitalOpe rator'sManua l
Auth orized Merc edes-Be nzCente r
see Qualifie ds pecia list wo rksho p
Auth orized worksho p
see Qualifie ds pecia list wo rksho p
AU TO lights
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 194
see Lights Auto
matic carwas h(care) ............... 247
Auto matic engine start (ECO
start/ stopfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 122
Auto matic engine switch-o ff(ECO
start/ stopfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 121
Auto matic headlamp mode................ 97
Auto matic transmiss ion
Accel erator pedalposition ............. 128
Ch ang inggear.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 128
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 204
Drive program.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 128
Drive programd ispl ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 125
Drivi ngtips.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 128
DYNAM ICSELECT button .............. 124
Emerg encyrunningmod e.............. 132
Enga ging drive pos ition <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 127
Enga ging neu tral <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 126
Enga ging park pos ition automa ti-
cal ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 126
Enga ging reve rsegear.<0011001100110011001100110011001100110011001100110011001100110011
00110011[ 126
Enga ging the park pos ition ............ 126
Ge ars hift reco mmend ation ............ 131
Kickd own.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 128
Ma nua lshifting <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 129
Oil temp erature (on-boa rdcom-
pu ter, Mercedes-AM GSLC43) ...... 180
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 125
Pro blem (ma lfunction) <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 132
Pu lling away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 120
Sel ector lever <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 125
Starti ngthe engi ne<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 120
Steer ingwheelp ad dles hifters ...... 129
Tra nsmi ssion pos ition displ ay........ 125
Tra nsmi ssion pos itions <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 127
Auto matic transmissione me r-
ge ncym ode <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 132 B
Back button<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 219
BAS (Brake Assist Sys tem) <0011001100110011001100110011001100110011001100110011001100110011
0011[ 57
Battery (SmartKe y)
Ch ecki ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 69
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 68
Re placi ng <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 69
Battery (vehi cle)
Ch arg ing <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 260
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 196 In
dex
5

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

R
Immedia telychange outofclothing which
has come intocontact withelectroly te.
R Ifan allergic reaction occurs,seekmedi-
cal attention immediately.
The rear-view mirrorandtheexterior mirroron
the driver's sideautoma ticallygointo anti-
glare mode ifthe follow ingconditions aremet
simul taneousl y:
R the ignition isswitched onand
R incident lightfrom headlampsstrikes the
sensor inthe rear-view mirror
The mirrors donot gointo anti-glare modeif
reverse gearisengaged orifthe interior light-
ing isswitched on. Parking
positionfor the exterio rmir-
ror onthe front-passenge rside
Setting andstoring theparking posi-
tion Usin
gthe memory button You
canstore theparking positionofthe front-
passe nger-side exteriormirrorusingmemory
button M0085.T hereverse gearmust notbe
engaged duringthe process.
X Make surethatthevehicle isstationary and
that theSmartKey isin positio n0048 inthe
ignition lock.
X Press button 0044for the exterior mirroron
the front-passenger side. X
Engage reverse gear.
The exterior mirroronthe front-passenger
side moves tothe preset parking position.
X Use button 0087toadjust theexterior mirror
to ap ositio nthat allows youtosee therear
wheel andthecurb.
The parking positioniss tored.
i If
you shift thetransmission toanother
positio n,the exterior mirroronthe front-
passe ngersidereturns tothe driving posi-
tion.
Usin greverse gear You
canadjust theexterior mirroronthe front-
passe ngersidetoap ositio nthat allows youto
see therear wheel onthat side assoon asyou
engage thereverse gear.Thissetting canbe
stored usingmemory buttonM0085.
X Ensure thattheSmartKey isin positio n0048
in the ignition lock.
X With theexterior mirroronthe front-
passe ngersideactivated, usebutton 0087to
adjust theexterior mirror.Therear wheel
and thecurb shoul dbevisib lein the exterior
mirror.
X Press memory buttonM0085 and one ofthe
arrows onbutton 0087within threeseconds.
The parking positioniss tored ifthe exterior
mirror doesnotmove.
X Ifthe mirror moves outofpositio n,repea t
the steps. 94
MirrorsSeats,
steerin gwheeland mirrors

In
vehicle swithautoma tictransmission,
engage positionsPa nd Ro nly when the
vehicle isstationary .
Where possible,avoid spinning thedrive
wheel swhen pulling awayonslippery roads.
You could otherwise damagethe drive train. Key
positio ns
Smart Key 005A
Toremove theSmartKey
0047 Power supplyfor some consumers, such
as the windshi eldwipers
0048 Ignition (powersupp lyfor allconsumers)
and drive positio n
0049 Tostart theengine
i The
SmartKey canbeturned inthe ignition
lock even ifit is not thecorrect SmartKey
for the vehicle .The ignition isnot switched
on. The engine cannot bestarted.
KEY LESS-GO Gene
ralnotes
Vehicle swithKEYLESS- GOare equi pped with
aS martKey featuringanintegrated KEYLESS-
GO start function andadetachab leStart/St op
button.
The Start/St opbutton mustbeinserted inthe
ignition lockandtheSmartKey mustbeinthe
vehicle .
When youinsert theStart/St opbutton into
the ignition lock,thesystem needsapprox-
imatel ytwo seconds recognition time.Youcan
then usetheStart/St opbutton.
Pressing theStart/St opbutton several times
in successio ncorresponds tothe different keypositio
nsinthe ignition lock.Thisisonly the
case ifyou arenot depres singthebrake pedal.
If you depres sthe brake pedaland press the
Start/St opbutton, theengine startsimmedi -
ately .
Ac heck which periodicallyestabl ishes aradi o
connection betweenthe vehicle andthe
SmartKey determines whetheravalidS mart-
Key isin the vehicle .This occurs, forexample ,
when starting theengine.
To start thevehicle withoutactively usingthe
SmartKey:
R the Start/St opbutton mustbeinserted in
the ignition lock.
R the SmartKey mustbeinthe vehicle .
R the vehicle mustnotbelocked withthe
SmartKey orKEYLESS- GO(Ypage 66).
Do not keep theSmartKey:
R with electronic devices,e.g.amobilephone
or another SmartKey.
R with metall icobjects, e.g.coins ormetal
foil.
R inside metallicobjects, e.g.ametal case.
This canimpa irthe functionality ofthe KEY-
LESS- GOkey.
If you lock thevehicle withtheSmartKey's
remote controlorwith KEYLESS- GO,after a
short time:
R you willnot be abletos witch onthe ignition
with theStart/St opbutton.
R you willnot be abletos tart theengine with
the Start/St opbutton untilthevehicle is
unlocked again.
The engine canbeswitched offwhil ethe vehi-
cle isin motion bypressing andholdi ngthe
Start/St opbutton forthree seconds. This
function operatesindepe ndently ofthe ECO
start/stop automaticengine switch-off func-
tion. 118
Drivi
ngDrivi ngand parking

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 manuallyoras
the result ofam alfunction. Theengine will
then notbeswitched offautomaticall ywhen
the vehicle stops. 122
DrivingDriving
andparking

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
coolant tempera-
ture display showsa
value above 248‡
(120 †).The coolant
warning lampmayalso
be on and awarning
tone maysound. The
coolant levelistoo low. Thecoolant istoo hotand theengine is
no longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 243). Observe thewarning notes
as you dosoand add coolant ifnecessary. If
the coolant leveliscorrect ,the engine radiator fanmay befaulty.
The coolant istoo hotand theengine isno longer beingcooled suf-
ficiently.
X At coolant temperatures below248‡(120 †),drive tothe near-
est quali fiedspecialist workshop.
X Avoid heavy loadsonthe engine asyou doso, e.g. driving in
mountainous terrainandstop-and- gotraffic. Notes
ontowing vehicles
The vehicle isnot suitable forattaching tow
bar systems, suchasthose usedforflat tow-
ing ordinghy towing.
Att aching orusing towbarsystems mayresult
in damage tothe vehicle.
When towing avehicle withtowbarsystems,
safe driving characterist icscannot beguaran-
teed forthe towing vehicle orthe towed vehi-
cle.
The vehicle/vehicle combinationmayswerve.
Observe thepermissible towingmethods
(Y page 265)andthenotes ontowing with
both axles onthe ground (Ypage 265). DYNAMIC
SELECTbutton
Use theDYNAMIC SELECTbutton tochange
the drive program. Depending onthe drive pro-
gram selected thefollowing vehiclecharacter-
istics willchange:
R the drive (engine andtransmission manage-
ment)
R the suspension orthe adaptive adjustable
damping onlyonvehicles withAMG RIDE
CONTROL sportssuspension
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunc-
tion Each
timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram C
is activated. Forfurther information about
startin gthe engine, see(Ypage 119). X
Press DYNAMIC SELECTbutton 0043asmany
times asnecessary untilthedesired drive
program isselected.
The selected driveprogram appearsinthe
multifunct iondisplay .After as hort period of
time, thedisplay goesoutand thesymbol
for the selected driveprogram appears.
In addition, thecurrent driveprogram set-
tings aredisplay edbriefly inthe multimedia
system display.
i In
af ew countr ies,theECO start/ stop
funct ionisdeactivated atthe factory dueto
the availa blefuel grade. Inthis case, the
ECO start/ stopfunct ionisnot availa blein
any drive program, regardless ofthe display
in the multimedia systemdisplay.
In city traffic andstop-st arttraffic, drivepro-
gram Cis recommen ded. 124
DY
NAMIC SELECTbutt onDriving andparking

The
temporary settingisactive foracertain
amount oftime. Under certaincondit ions,the
minimum amountoftime isexten ded,e.g.in
the case oflateral acceleration ,during overrun
mode orwhen driving onsteep terrain.
X To deactivat e:pull steerin gwheel paddle
shifter 0044and hold itin place.
or X Use thelever toswitch thetrans mission
position.
or X Use theDYNA MICSELECT button tochange
the drive program.
Perma nentsetting X
To activat e:shift theselector leverto005B.
X Press button 0043.
X To deactivat e:press button 0043.
Shifting gears All
vehicles (exceptforMercedes-AMG
SLC 43) X
To shift up:pull steerin gwheel paddle
shifter 0044.
The automatic transmission shiftsuptothe
next gear.
If the maximum enginespeedinthe cur-
rent lyengaged gearisreached andyoucon-
tinue toaccelerate, theautomatic transmis-
sion automatically shiftsupinorder topre-
vent engine damage.
X To shift down: pullsteerin gwheel paddle
shifter 0043.
The automatic transmission shiftsdownto
the next gear.
Automat icdown shiftin goccurs whencoast-
ing.
If the engine weretoexceed themaximum
engine speedwhenshiftin gdown, theauto-
matic transmission protectsagainst engine
damage bynot shiftin gdown.
Mercedes-AMG SLC43
! If
manual gearshifting ispermanent lyacti-
vated, theautomatic transmission doesnot
shift upautomatically evenwhen theengine
limiting speedforthe current gearis
reached. Whentheengine limiting speedis
reached, thefuel supply iscut toprevent
the engine fromoverrevv ing.Always make
sure thattheengine speeddoesnotreach
the red area ofthe tachomet er.There isoth-
erwise arisk ofengine damage. X
To shift up:pull steerin gwheel paddle
shifter 0044.
The automatic transmission shiftsuptothe
next gear.
X To shift down: pullsteerin gwheel paddle
shifter 0043.
The automatic transmission shiftsdownto
the next gear. 130
Automa
tictransmissionDriving andparking