2020 MERCEDES-BENZ SLC ROADSTER turn signal

Inst
rumen tclus ter Funct
ion Pag
e 0043
Sp
eedo meterwit hseg-
men ts 16
8 Warn
ingand indicat or
lamp s: El
ec tric park ingbrak e(red) 21
3 0049
USAo nly 0024
Canad aonly 0024
Elec tric park ingbrak e
(yello w) 21
3 00BA
Distanc ewarning 21
6 00BB
ESP®
OF F 21
2 0025
ABS 21
1 Br
ake s(red) 21
1 0027
USAo nly 004D
Canad aonly 0058
Low-beam headlamps 98
0060
Parkinglamp s 98
0057
High-beam headlamps 99
00E5
ESP® 21
2 0044
003E003D
Turnsignals 99
0087
Mult
ifunction disp lay 17
0 0085
Tac
hom eter 16
8 Funct
ion Pag
e Warn
ingand indicat or
lamp s: 0074
SPORT handlingm ode
in theM erce des- AMG
SL C4 3 21
3 005E
Rearfoglamp 98
005A
Thisindicat orlamp
has nofun ction 00B9
CheckEngine 21
4 0077
Tirep ressur emonitor 21
7 0075
Restraintsyst em 39
00E9
Seat belt s 20
9 0083
Coolan
ttem perat ure gage 16
9 Warn
ingand indicat or
lamp s: 00AC
Coolan t 21
4 0084
Fue
llev el ind icat or Warn
ingand indicat or
lamp s: 00B6
Reservefuel levelwit h
fuel filler flap location indi-
cat or(rig ht) 21
4 006B
In
st rum entc lus terligh ting 16
8 In
for mat ionondisp layin gthe out side tempe ra-
tur eint he mult ifunction disp laycan befoun d und
er"Out side tempe rature disp lay"
(Y page 168). 32
Inst
rumen tclust erAtag lan ce

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

Comb
inationswit ch 0043
High-beam headlam ps
0044 Turn signal,righ t
0087 High-beam flasher
0085 Turn signal,left
X To ind icat ebriefly :pres sthe com binatio n
swit chbrie flytothep res sure pointint he
dire ction ofarr ow 0044or0085.
The correspon dingturns ign alflas hes three
tim es.
X To ind icat e:pres sthe com binatio nswit ch
beyon dthe pres sure pointint he dire ction of
arr ow 0044or0085.
X To
swit chon theh igh -bea mheadla mp s:
tur nthe light switchto0058 or0058.
X Pre ssthec om binatio nswit ch beyon dthe
pres sure pointint he dire ction ofarr ow 0043.
In the0058 position,theh igh-be am head-
lamps areonlyswit ched on when itis dark
and thee nginei sr unnin g.
The blue 0057 indicat orlamp inthei nstru-
men tclus terlight supw hen theh igh-be am
headlam psare swit ched on.
X To
swit choff theh igh -bea mheadla mp s:
mov ethe com binatio nswit ch back toits
no rm alposi tion.
The blue 0057 indicat orlamp inthei nstru-
men tclus terg oes out. Ha
zard war ning lamps X
To
swit chon theh azardw arning lamps:
pres sbutto n0043.
All turns ign als flas h.Ifyou nows witch on a
tur ns ign alusin gthe com binatio nswit ch,
on lythet urns ign allamp onthec orres pon d-
ing side ofthev ehicle willflash.
X To
swit choff theh azardw arning lamps:
pres sbutto n0043.
The hazard warn inglamps automaticall y
swit chon if:
R an air bag isdeplo yedor
R thev ehicle deceler atesrapid lyfrom aspee d
of abov e45m ph(70 km/h) and comestoa
st and still
The hazard warn inglamps switchoff auto mati-
cally ifth ev ehicle reac hesaspee dofabov e
6m ph(10 km/h) again afterafull brak eappli-
cat ion.
i The
hazard warn inglamps still oper ateif
th ei gn ition isswit ched off. Corn
ering ligh tfun ction
The cornerin glight function impr ovesthe illu-
min atio nofthe road overaw ideanglein the
dire ction you areturnin g,en ablin gbette rv isi-
bilit yint ight ben ds,forexample .The cor ner-
ing light function can onlybe act ivat edwhen
th el ow- beam headlam psare swit ched on.
Activ e:
R ifyou aredrivingatspee dsbelow 25mph
(40 km/h) and switchon thet urns ign alor
tur nthe steer ing wheel
R ifyou aredrivingatspee dsbet ween 25mph
(40 km/h) and 45mph (70km/h) and turn
th es teer ing wheel Ext
erior light ing
99Lightsand winds hieldwiper s Z

Selec
tingthedrive progra m
Act ive Distanc eAssist DISTRONIC supportsa
sporty driving stylewhen youhave selected
the Sor S+ drive program (Ypage 124).
Acc eleration behindthevehicle infront orto
the setspeed isthen noticeably more
dynamic. Ifyou have selected theCor Edriv-
ing program, thevehicle accelerates more
gently. Incity traffic andstop-st arttraffic,
drive program Cis recommen ded.
Changing lanes
If you want tochange tothe overtakin glane
on multi-lane roads,Active Distanc eAssist
DISTRONIC supportsyouif:
R you aredriving fasterthan45mph
(70 km/h)
R Act ive Distanc eAssist DISTRONIC ismain-
taining thedistance toav ehicle infront
R you switch onthe appropriate turnsignal
R Act ive Distanc eAssist DISTRONIC doesnot
current lydetect adanger ofcollision
If these condition sarefulfilled, yourvehicle is
accelerated. Acceleration willbeinterrupt edif
changing lanestakes toolong orifthe dis-
tance between yourvehicle andthevehicle in
front becomes toosmall.
i When
youchange lanes,Active Distanc e
Assist DISTRONIC monitorsthe left lane on
left-hand- drivevehicles orthe right laneon
right-han d-drivevehicles.
Stopping G
WARNING
If you leave thedriver's seatwhen thevehi-
cle isonly being braked byAct ive Distanc e
Assist DISTRONIC, itcould rollaway :
R ifthere isam alfunction inthe system or
in the voltage supply
R ifAct ive Distanc eAssist DISTRONIC is
deactivated usingthecruise controllever,
for example byavehicle occupant orfrom
outside thevehicle
R ifthe electrical systeminthe engine com-
partment ,the battery orthe fuses are
tampered with R
ifthe battery isdisconnec ted
R ifthe vehicle isaccelerated, e.g.byavehi-
cle occupant
There isar isk ofan accident.
Always deactivate Active Distanc eAssist
DISTRONIC andsecure thevehicle against
rolling awaybefore youleave it.
Further information ondeactivating Active Dis-
tance Assist DISTRONIC (Ypage 150).
If Act ive Distanc eAssist DISTRONIC detects
that thevehicle infront isstopping, itbrakes
your vehicle untilitis stationary.
Once yourvehicle isstationary, itremains sta-
tionary andyoudonot need todepress the
brake.
i Aft
eratime, theelectric parking brake
secures thevehicle andrelieves theservice
brake.
i Depending
onthe specified minimum dis-
tance, yourvehicle willcome toas tandst ill
at as ufficient distance behindthevehicle in
front .The specified minimum distanceisset
using thecont rolonthe cruise controllever.
When Active Distanc eAssist DISTRONIC is
activated, thetransm issionisshifted automati-
cally toposition 005Dif:
R the driver's seatbeltisnot fastened andthe
driver's doorisopen
R the engine isswitched off,unless itis auto-
matically switchedoffbythe ECO start/
stop funct ion.
The electric parking brakeisapplie dautomati-
cally ifAct ive Distanc eAssist DISTRONIC is
active whenthevehicle isstationary and:
R as ystem malfunction occurs
R the power supply isnot sufficient
If am alfunction occurs,thetransm issionmay
also shift toposition 005Dautomatically.
Setting aspeed Keep
inmind thatitmay take abrief moment
until thevehicle hasaccelerated orbraked to
the speed set.
X To
adj ust the setspeed in1m phincre-
ments (1km/h increments): brieflypress
the cruise controllever up0043 tothe pres- 148
Driving
systemsDriving andparking

Use
Parking Guidance forparking spaces:
R paral leltothe direction oftravel
R on straight roads,notbends
R that areonthe same levelasthe road, i.e.
not onthe pavement, forexample. Parking
Assist PARKTRONIC maynotdetect flat
curbs
Parking tips:
R on narrow roads,driveasclosely aspossible
past theparking space
R parking spacesthatarelittered orover-
grown mightbeidentified ormeasured
incorrect ly
R parking spacesthatarepartiall yoccupied
by trailer drawba rsmight notbeidentified
as such orbe measured incorrectly
R snowfall orheavy rainmay lead toap arking
space beingmeasured inaccurately
R pay attent iontothe Parking Assist
PARKTRONIC warningmessages duringthe
parking procedure (Ypage 155)
R when transporting aload which protrudes
from yourvehicle, youshould notuse Park-
ing Guidance
R never useParking Guidance withsnow
chains oran emergency sparewheel moun-
ted
R make surethatthetire pressures arealwa ys
correct .This has adirect effect onthe steer-
ing characteristics.
R the way your vehicle ispositioned inthe
parking spaceafterparking isdependent on
various factors. Theseinclude theposition
and shape ofthe vehicles parkedinfront
and behind itand theconditions ofthe loca-
tion. Insome cases, Parking Guidance may
guide youtoofarornot farenough intoa
parking space.Insome cases, itmay also
lead youacross oronto thecurb. Ifneces-
sary, cancel theparking procedure with
Parking Guidance. Detec
tingparking spaces 0043
Detect edparking spaceonthe left
0044 Parking symbol
0087 Detect edparking spaceonthe right
Parking Guidance isautomaticall yactivated
when youdrive forwards. Thesystem isopera-
tional atspeeds ofup toapproximately
22 mph (35km/h ).While inoperation, the
system independently locatesandmeasures
parking spacesonboth sides ofthe vehicle.
When driving atspeeds below19mph
(30 km/h), youwillsee parking symbol0044as
as tatus indicator inthe instrument cluster.
When aparking spacehasbeen detected, an
arrow towards theright 0087orthe left 0043also
appea rs.Parking Guidance onlydispla yspark-
ing spaces onthe front -passenger sideas
standard. Parkingspacesonthe driver's side
are displa yedassoon asthe turn signal onthe
driver's sideisactivated. Topark onthe driv-
er's side, youmust leave thedriver's sideturn
signal switched onuntil youhave engaged
reverse gear.
Parking Guidance willonly detect parking
spaces:
R that areparal leltothe direction oftravel
R that areatleast 5ft(1.5 m)wide
R that areatleast 4.3ft(1.3 m)longer than
your vehicle
Ap arking spaceisdispla yedwhile youare
driving pastit,and until youareapproximately
50 ft(15 m)awa yfrom it.
Parking Moving
thevehicl einto thestop position
X Stop thevehicle whentheparking space
symbol showsthedesired parking spacein
the instrument cluster.
X Vehicles withmanual transmission: shiftto
reverse gear. 158
Driving
systemsDriving andparking

Indi
catorand warning displa y 0043
Yello windicat orlamp/ redwarn inglamp
Blin dSpotA ssist isno ta ctive atspee dsbelow
appr oximat ely20mph (30km/h). Vehiclesin
th em onito rin gr ange are then notind icat ed.
When BlindSpotA ssist isact ivat ed, indicat or
lamp 0043inthee xteri or mir rorslight supy ellow
at spee dsofup to20 mph (30km/ h).A t
spe eds above 20mph (30km/h ),the indicator
la mp goesoutand Blind Spot Assistisope ra-
tiona l.
If av ehiclei sd ete cted within theblind spot
moni toringrang eatspeeds above 20mph
(30 km/h ),wa rning lamp 0043onthe corre -
spo nding sidelights upred .Thisw arning is
al wa ysemi tted when avehiclee nter sthe blind
spo tmonitori ngrang efrom behindorfrom the
sid e.Whe nyou ove rtake avehicle, the warning
only occu rsifthe differ ence inspe edisless
than 7mph(12 km/h ).
The yellow indicator lamp goesoutifreve rse
gea rise nga ged .Int his event,Blind Spot
Assi stisno longer active.
The brightne ssofthe indicator/w arninglamps
is ad juste dautoma ticallya cco rding tothe
amb ient light.
Co llis io nw arning
If av ehiclei sd ete cted inthe moni toringrang e
of Blind Spot Assistand yous witch onthe cor-
res pond ingturn signal ,ad oublew arning tone
sou nds. Redw arning lamp 0043flashe s.Ifthe
turn signal rema inson, vehicles dete cted are
ind icated bythe flashi ng ofred warning
la mp 0043.T here are nofurther warning tones. Sw
itchin gonB lind Spo tAssist
X Ma kesure that Blind Spot Assist
(Y page 176 )isa ctivate dint he on-bo ard
comp uter.
X Tu rn the Smar tKeytopos ition 0048 inthe igni-
tion lock.
Wa rning lamps 0043inthe exter iorm irrors
li ght upred forappro xima tely1.5seco nds
and then turnyellow .
Lan eKeeping Assist Gen
eral notes Lane
Keeping Assi stmoni torstheareainf ront
of your veh iclew ithc ame ra0043,w hich is
mou nted atthe top ofthe windsh ield .L ane
Kee ping Assi stdete ctslane mar kings onthe
roa dand warns youb efore youl eave your lane
uni ntentio nally.
If yo us elect km km
on the on-bo ardcomp uterin
the Displa yUnitS peed- /Odometer Dis
playUnitS peed- /Odometer func-
tion (Ypage 177 ),Lane Keeping Assi stis
acti vestar ting atas peed of60 km/h .Ift he
mil es mil
esdispl ayuni tiss elected ,the assis tance
rang ebegins at40 mph .
Aw arning maybegiven ifaf ront wheel passe s
ove ral anem arking. Itwi llwa rnyoub ym eans
of inter mitte ntvib rati oninthe stee ring wheel
for upto1.5 seco nds.
Impo rtant safetynotes G
WARNI
NG
Lane Keeping Assi stcanno talway sc learl y
dete ctlane mar kings .
In such cas es, Lane Keeping Assi stcan:
R give an unne cessarywarning
R not give aw arning
The reisar isko fana ccident. 16
6 Dri
ving sys temsDriving and parkin g

locat
edon the door drive unitonthe garage
ceilin g.
Familiar izeyourself withthegarage doordrive
operat inginst ruct ions ,e.g. under "Program-
min gaddition alremo tecon trols", befor ecarry-
ing out thefollowin gsteps.
Your vehic lemust bewithin reachofthe
garage doororgate openerdrive .Make sure
that neither your vehic lenor any perso ns/
obje ctsa represen twithin thesweep ofthe
door orgate.
X Turn theSmar tKey toposit ion0048inthe igni-
tion lock (Ypage 118).
X Get outofthe vehic le.
X Press theprogr ammin gbutton onthe door
drive unit.
Usually, younow have 30seco ndstoinit iate
the nextstep.
X Get intot he vehic le.
X Press previously programed button0044, 0087
or 0085 onthe integrat edgarage dooropener
repeat edlyuntilthe door closes.
The rollin gcode sync hronization isthe n
com plete .
Not eson progra mmingther em ote con-
tr ol
Canadian radiofrequenc ylaws require a
"break "(or interrupt ion)ofthe transm ission
sign alsafterbroadc astingfor afew seco nds.
There fore,the sesign alsmay notlast long
enoug hfor the integrat edgarage dooropener.
The signalisnot recogn ized durin gprogr am-
min g.Comparable withCanadian law,some
U.S .garage dooropenersalso feature a
"break ".
Proc eedasfollows:
R ifyou liveinCanada.
R ifyou have difficulties programmin gthe
garage dooropener(regar dlessofwhere
you live) when followin gthe progr ammin g
ste ps.
X Press andhold oneofbutt ons 0044to0085 on
the integrat edgarage dooropener.
Af ter ashor ttim e,indic atorlamp 0043light s
up yellow.
X Release thebutt on.
Ind icat orlamp 0043flashes yellow.
X Press button0084 ofgarage doorremotecon -
tr ol 0083 for two seco nds, thenrelease itfor
two seco nds. X
Press button0084 again fortwo seco nds.
X Repeat thissequen ceon butt on0084 of
remo tecon trol 0083 untilindic atorlamp 0043
light supg reen .
When indicatorlamp 0043light supg reen :
progr ammin gisf inished.
When indicatorlamp 0043flashes green:pro-
gramm ingwas succ essful.The nextstepi s
to sync hronizethe rollin gcode.
X Release button0084 ofremo tecon trol 0083 of
the garage doordrive.
When indicatorlamp 0043light supred:
repeat theprogr ammin gproc ess forthe cor-
respo ndingbutton onthe rear- view mirror.
When doingso,vary thedistancebetwee n
remo tecon trol 0083 and therear- view mirror.
The require ddistanc ebetwee nremo tecon -
tr ol 0083 and theintegrat edgarage door
open erdepen dson the garage doordrive
syst em. Several attempt smight benec es-
sary. Youshould testever yposit ion forat
least 25seco ndsbefor etrying anot herposi-
tion .
Problem swhen progra mming
If you areexper iencingproblem sprogr ammin g
the integrat edgarage dooropeneron the rear-
view mirror,takenoteo fthe followin ginst ruc-
tion s:
R Check thetransm itter freq uenc yused by
garage doordrive remotecon trol 0083 and
wheth eritis support ed.The transm itter fre-
quenc ycan usually befoun donthe back of
remo tecon trol 0083 for the garage doordrive.
The integrat edgarage dooropeneriscom -
patible withdevic esthat have unitswhich
operat eint he freq uenc yrang eof280 to
433 MHz.
R Replace thebatt eries ingarage doorremote
con trol 0083.T hisincreases thelikelih oodthat
garage doorremotecon trol 0083 will transm it
as trong andprec isesign alto the integrat ed
garage dooropener.
R When programmin g,hold remo tecon trol 0083
at varyin gdistanc esand angles fromb ut-
ton s0044 to0085 which youareprogr ammin g.
Try various anglesatad istanc ebetwee n
2and 8inches (5to2 0cm) oratthe same
angle butatvaryin gdistanc es.
R Ifaf urt her remo tecon trol 0083 isavailable for
the same garage doordrive,repeat the
same programmin gsteps with thisremo te
con trol 0083.B efore perf ormin gthese ste ps, Featu
res
237Stowage andfeatures Z

make
surethatnew batterie shave been
install edingara gedoor drive remote control
0083.
R Note thatsome remote controls onlytrans-
mit foralimi ted amou ntoftime (theindica -
tor lamp onthe remote controlgoesout).
Press button 0084onremote control0083aga in
before transmissi onends.
R Align theantenna cableofthe gara gedoor
opener unit.Thiscanimprove signalrecep-
tion/transmissio n.
Openi ng/closing thegarage door After
ithas been progra mmed, theintegrated
gara gedoor opener performs thefunction of
the gara gedoor system remote control. Please
als oread theopera tinginstructions forthe
gara gedoor system.
X Turn theSmartKey toposi tion 0048inthe igni-
tion lock (Ypage 118).
X Press either button 0044,0087or0085 whi chyou
have progra mmed toopera tethe gara ge
door.
Gara gedoor system withafixed code: indi-
cator lamp0043ligh tsup green.
Gara gedoor system witharolli ng code: indi-
cator lamp0043flash esgreen.
The transmitter willtransmit asignal aslong
as the button ispresse d.The transmissi on
is hal ted after amaximu moften seconds
and indica torlamp 0043ligh tsup yellow .
X Press button 0044,0087or0085 aga inifneces-
sary .
Cle aring thememory Make
surethatyouclear thememory ofthe
integrated garagedoor opener beforeselling
the vehicl e.
X Turn theSmartKey toposi tion 0048inthe igni-
tion lock (Ypage 118).
X Press andhold buttons 0044and 0085.
The indica torlamp initiallyligh tsup yellow
and then green.
X Rel ease buttons 0044and 0085.
The memory ofthe integrated garagedoor
opener inthe rear-vie wmirror iscleare d. Compass
Call ingupthe compass Comp
ass0044disp laysthe compass directionin
which thevehicl eisc urrently traveling:N N,
NE NE,
E E,
SE SE,
S S,
SW SW,
W W
or NW NW.
To receive acorrect displayinrear-vie wmir-
ror 0043,t hecompass mustbecali brated and
the magnetic fieldzone set. 238
Fe
atur esStow ageand features