2020 MERCEDES-BENZ SLC ROADSTER ESP

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

Cent
erconsole Cent
erconsole, upper sect ion Funct
ion Pag
e 0043
Mult
imed iasyst em 21
9 0044
0072
Seatheating 88
0087
00CE
AIRSCA RF 89
0085
008F
ParkingAssist
PA RKTRO NIC 15
4 0083
00D6
ECOstart /stopf unc-
tio n 12
1 Funct
ion Pag
e 0084
002F
Hazard warn inglamps 99
006B
008D
PASS EN GER AIRBA G
OF Find icat orlamp 46
006C
00BB
ESP® 61
006D
00CC
DYNAMICSELECT but -
to n 12
4 i
Inveh icleswitht he COMA NDmult imed ia
syst em, youcan findf urther inform ation:
R on them ultimed iasyst emintheD igital
Oper ator'sMan ual
R on theV oiceC ontrol Sys temi nthe sepa-
rat eO perator'sMan ual i
Inveh icleswitht he Audi o20m ultimed ia
syst em, youcan findf urther inform ation:
R on them ultimed iasyst emintheD igital
Oper ator'sMan ual
R on voic e-con trolled navigat ioninthem an-
ufac turer'so per atin ginstruct ions 34
Cent
erconsoleAt ag lan ce

If
the vehicle 'sspeed exceeds 15mph
(25 km/h) onceandthedriver's andfront-
passe ngerseatbelts arenot fastened, awarn-
ing tone sounds. Awarning tonealsosounds
with increasing intensityfor60seconds or
until thedriver orfront passe ngerhave fas-
tened theirseatbelts.
If the driver orfront passe ngerunfasten their
seat belts duringthe journey, theseat belt
warning isactivated again. Air
bags
Introductio n The
installa tionpoint ofan airb agcan berec-
ognized bythe AIRBAG marking.
An airb agcomplements thecorrectly fastened
seat belt. Itis no substitu tefor the seat belt.
When deployed ,ana irbag can increase the
protection providedfor the respective vehicle
occupant.
Not allairb ags aredepl oyed inan accident.
The variou sairbags work indepe ndently of
each other (Ypage 50).
However, nosystem availabletoday cancom-
pletel yelimi nate injuries andfatali ties.
It is also notpossib leto rule outarisk ofinjury
cause dbyana irbag due tothe high speed at
which theairbagmust bedepl oyed .
Important safetynotes G
WARNING
If the front passe ngerairbag hasbeen acti-
vated, achild onthe front passe ngerseat
may behit bythe front passe ngerairbag in
the event ofan accident. Thereisar isk of
injury orfatal injury.
NEVER usearearwa rd-facing childrestraint
system onaseat protected byan ACTIVE
FRONT AIRBAG; DEATHorSERIOUS INJURY
to the CHILD canoccur.
When installi ngachild restraint systemonthe
front passe ngerseatobserve thevehicle -spe-
cific notes (Ypage 56).Youmust observe
the notes onrearwa rdand forward -facingchild
restraint systemsonthe front-passenger seat. G
WARNING
If you devia tefrom thecorrect seatpositio n,
the airbag cannot perform itsintended pro-
tective function anddeployment mayeven
cause further injuries. Thisposes an
increased riskofinjury oreven fatalinjury.
To avoid anyrisks, eachvehicle occupant
must always make sureofthe follow ing:
R Fasten theseat beltcorrectly. Inthe case
of pregnant womeninparticul ar,make
sure thatthelapbelt isnever routed
across thestomach orabdo men.
R Adopt thecorrect seatpositio nand keep
as far awa yasp ossib lefrom theairbags.
R Observe thefollow ingnotes.
Alway smake sure thatthere arenoobjects
betwee nthe air bag and vehicle occupant.
All vehicle occupants mustobserve thefollow -
ing notes toavoid risksposed bythe airbag
when itdepl oys.
R Adjust theseats properl ybefore beginning
you rjourney. Alwaysmake sure thatthe
seat isin an almos tupright positio n.The
center ofthe head restraint mustsupport
the head atabou teye level .
R Move thedriver's andfront-passenger seats
as far back aspossib le.The driver's seat
positio nmustallow the vehicle tobe driven
safel y.
R Only holdthesteering wheelonthe outsid e.
This allows theairbag tobe fullydepl oyed .
R Alway slea na gainst thebackrest whiledriv-
ing. Donot leanforward orlea na gainst the
door orside window .You may otherwise be
in the depl oyment areaofthe airbags.
R Alway skeep yourfeet inthe footwell in
front ofthe seat. Donot putyourfeet onthe
dashb oard,forexample .Your feet may oth-
erwis ebeint he depl oyment areaofthe air
bag.
R For this reason, always secure persons less
than 5ft(1.50 m)tall insuita blerestraint
systems. Uptothis heigh t,the seat belt
cannot beworn correctly. Occ
upant safety
43Safety Z

If
ac hild istravel inginyou rvehi cle, also
obser vethef ollowi ngnot es:
R Always secure childre nunde rtwe lve years
of age and less than 5ft(1.5 0m )tallins uit-
ab lechi ldres traint syste ms.
R Secu reac hild to the front-pa ssenge rseat
onl yw hent he front-pa ssenge rfront airb ag
is disa bled ,and the nonlyi nar earw ard-
fa cing childres traint syste m. The front-
pa sse nge rfront airb ag isdisa bled when the
PASSEN GERAIRBAG OFFindicator lamp is
li tc onti nuously(Y page 39).
R Alw ayso bserve the instructio nsand safety
note sonthe "Occu pant Clas sific ati on Sys -
tem (OCS) "(Y pa ge 46) and on"Child ren
in the vehicle" (Y page 53)ina dditio nt o
the childres traint syste mm anufactu rer's
ins tallatio na nd opera ting instructio ns.
Ob jec tsinthe vehic leinteri ormay restric t
the airbag fromf uncti oningc orrec tly.To
av oidr isks res ulting fromt hespee do fthe air
ba ga sitd eploys, veh icleo ccu pants must
ens uret he followi ng points .
Befo recomm encingyour jou rney ,ensuret hat:
R the rearen op eople, ani ma lsor objects
be twe enthe vehicleo ccu pants and anair
ba g
R the rearen oo bjects betwe enthe seat, door
and B-pillar
R no acc essor ies, su ch ascup holders, are
atta chedtothe veh iclew ithi nt he deploy -
ment area ofan airb ag,e .g.t od oors or side
wi ndo ws
R no heavy, sha rp-e dged orfra gile ob jects are
in the pockets ofyour clo thing. Store such
ob jects inas uita blep lace G
WA
RNING
If yo um odify the cove rofana irba go raffix
ob jects such assticker stoit,the airb ag
can nolonge rperform itsinte ndedfunctio n.
The reisan incr easedr isko finju ry.
Nev ermod ifythe cove rofana irba go raffix
ob jects toit. G
WA
RNING
Sens orstocontro lthe airb agsa relocate d
in the doors .M odificati ons orwo rknot per-
for med correctlytot he doors ordoor panel -
ing ,asw ella sd am aged doors ,can lead to the
functio nofthe senso rsbeing impaire d.
The airb agsm ight the refore not functio n
pro perly any mor e.Co nse quentl y,the air
ba gs cann otpro tect vehicleo ccu pants as
the yaredesigne dtod o.The reisan
incr easedr isko finju ry.
Nev ermod ifythe doors orparts ofthe
do ors .Alway sh avew orko nthe doors or
do or panel ing carriedo utataq ualifi ed spe-
cia list wo rksh op.
Fro ntair bag s !
Do
not place heavyo bjects onthe front-
pa sse nge rseat.Thi scouldcau sethe sys-
tem toidenti fythe seat as being occu pied .
In the eventofan acc ident, therestraint
sy ste ms onthe front-pa ssenge rsidem aybe
trig gered and have tobe rep laced . Dri
ver 'sairb ag 0043 deploy sinf ront ofthe
ste ering wheel.Fron t-passenge rfront air
ba g0044 deploy sinf ront ofand above theglove
bo x.
Wh endeploy ed ,the frontairb agso ffer addi-
tio nal head and thoraxpro tecti onfor the occu -
pa nts inthe driver 'sand front-pa ssenge r
se ats .
The PASSEN GERAIRBAG OFFindicator lamp
inf orm syou abou tthe status ofthe front-
pa sse nge rfront airb ag (Y pa ge 39).
The front-pa ssenge rfront airb ag willonl y
de ploy if:
R the syste m, basedo nthe OC Sw eigh ts en-
sor readings ,detects thatthe front-
pa sse nge rseatiso ccu pied (Ypage 46) .
The PASSEN GERAIRBAG OFFindicator
la mp isnot lit( Ypa ge46)
R the restraint syste mc ontro lunitp redicts a
hi gh acc ident sever ity 44
Oc
cupant safetySafe ty

Knee
bags Dr
ive r'sk neeb ag0043 depl oysunderthes teer -
ing column andfron t-pass enger knee bag 0044
und ertheg loveb ox.T he driver 'sand fron t-
pass enger knee bags aretrigge redtoget her
wit hthe fron ta irbags .
The driver 'sand fron t-pass enger knee bags
off eraddit ionalthigh, knee and lower legpro-
te ction .
Sid eimp act airbag s G
WAR
NING
Un suit able seat cover scan obs truct orpre -
ven tdepl oyme ntofthea irbags integr ated
int ot he seat s.Con sequen tly, thea irbags
can notp rotect veh icleo ccup ant sasthey
are designed todo. Inaddit ion,the oper a-
ti on oftheo ccup ant clas sificat ion syst em
(OCS )cou ldbe adve rsely affected. This
pos esan increas edrisko finjury oreve n
fat alinj ury.
You should onlyuse seat cover sthath ave
been approvedfor ther espec tive seat by
Mer cedes -Ben z. Sid
eimp act airbags 0043depl oynext to the
out erbols tero fthe seat backrest .
Whe ndeployed, thes ide imp act airbag offers
addit ionalthora xprotection .How ever, itdoes
no tp rotect the:
R head
R ne ck
R arm s
If th er estrain tsyst em control unitdetec ts a
side impact,the side impact airbag is
depl oyed onthes ide onwhic hthe imp act
oc cur s.
The side impact airbag onthef ront pass enger
side deploysunderthef ollowin gcondition s:
R theO CS syst emdetects that thef ront
pass enger seat isoc cup iedor
R thes eat belt bucklet ongueise ngage din
th eb elt buc kleo fthe fron tp ass enger seat
If th eb elt tong ue isen gage dint he belt
buc kle, thes ide imp act airbag onthef ront
pass enger side deploysifan appr opriatea cci-
den tsituati onoccur s.In this cas e,depl oyme nt
is ind epen dentofw het her thef ront pass enger
seat isoc cup iedornot.
Hea dairbag s Hea
dbags 0043depl oyinthea rea ofthes ide
win dows atthef ront.
Whe ndeployed, theh ead bagenhan cest he
lev elof pro tection fortheh ead .How ever, it
does notp rotect the:
R ch est
R arm s
If th er estrain tsyst em control unitdetec ts a
side impact,the head bagisdepl oyed onthe
side onwhic hthe imp act occur s.
If th es yst em determ inesthatthe yc an offer
addit ionalpro tection tothat pro vided bythe Occup
antsafety
45Safet y Z

OFF):
thefront -passenger frontairbag is
able todeploy inthe event ofan accident.
R PASSE NGERAIRBAG OFFlights up:the
front passenger frontairbag isdeactivated.
It will then notbedeploy edinthe event of
an accident.
If the PASSE NGERAIRBAG ONindicator lamp
is off, only thePASSE NGERAIRBAG OFFindi-
cator lampshows thestatus ofthe front -
passenger frontairbag. ThePASSE NGERAIR
BAG OFFindicator lampmaybelitcont inu-
ously orbe off.
If the status ofthe front -passenger frontair
bag changes whilethevehicle isin motion, an
air bag displa ymessage appearsinthe instru-
ment cluster (Ypage 192). When thefront -
passenger seatisoccupied, alwayspay atten-
tion tothe PASSE NGERAIRBAG OFFindicator
lamp. Beawa reofthe status ofthe front -
passenger frontairbag both before andduring
the journey. G
WARNING
If the PASSE NGERAIRBAG OFFindicator
lamp islit, the front -passenger frontairbag
is disabl ed.Itwill notbedeploy edinthe
event ofan accident andcannot perform its
intended protective function.Aperson inthe
front -passenger seatcould then,forexam-
ple, come intocontactwith thevehicle's
interior, especiallyifthe person issitting too
close tothe dashboa rd.This poses an
increased riskofinjury oreven fatalinjury.
When thefront -passenger seatisoccupied,
alwa ysensure that:
R the classification ofthe person inthe
front -passenger seatiscorrect andthe
front -passenger frontairbag isenabled or
disabl edinaccordance withtheperson in
the front -passenger seat
R the front -passenger seathasbeen moved
back asfar back aspossible .
R the person isseated correctly.
Make sure,bothbefore andduring thejour-
ney, thatthestatus ofthe front -passenger
front airbag iscorrect . G
WARNING
If you secure achild inar earward-facing
child restraint systemonthe front -
passenger seatandthePASSE NGERAIR
BAG OFFindicator lampisoff, thefront -
passenger frontairbag candeploy inthe
event ofan accident. Thechild could be
struck bythe airbag. Thisposes an
increased riskofinjury oreven fatalinjury.
Make surethatthefront -passenger frontair
bag hasbeen deactivated. ThePASSE NGER
AIR BAG OFFindicator lampmust belit.
NEVER usearearward-facing childrestraint
on aseat protected byan ACTIVE FRONT
AIRBAG infront ofit;DEA THorSERIOUS
INJURY tothe child canoccur.
If the PASSE NGERAIRBAG OFFindicator lamp
stays off,donot install arearward-facing child
restraint systemonthe front -passenger seat.
You canfind more information onOCS under
"Proble mswith theOccupant Classification
System" (Ypage 49). G
WARNING
If you secure achild inaf orward-facing child
restraint systemonthe front -passenger seat
and youposition thefront -passenger seat
too close tothe dashboa rd,inthe event of
an accident, thechild could:
R come intocontactwith thevehicle's inte-
rior ifthe PASSE NGERAIRBAG OFFindi-
cator lampislit, for example
R be struck bythe airbag ifthe
PASSE NGERAIRBAG OFFindicator lamp
is off
This poses anincreased riskofinjury or
even fatalinjury.
Move thefront -passenger seatasfar back
as possible .Alway smake sure thatthe
shoulde rbelt strap iscorrect lyrouted from
the vehicle beltguide tothe shoulde rbelt
guide onthe child restraint system.The
shoulde rbelt strap mustberouted forwards
and downwards fromthevehicle beltguide .
Alway sobserve thechild restraint system
manufacturer's installationinstructions. Occ
upant safety
47Safety Z

If
OCS determines that:
R The front-passenger seatisunoccupi ed,the
PASSENGER AIRBAG OFFindicator lamp
lights upafter theself-test andremains lit.
This indicates thatthefront-passenger front
air bag isdeactiva ted.
R The front-passenger seatisoccupie dbya
child ofup totwelve months old,inas tand-
ard child restraint system,thePASSENGER
AIR BAG OFFindicator lamplights upafter
the self-test andremains lit.This indicates
that thefront-passenger frontairbag is
deactiva ted.
But even inthe case ofat welve-month-old
child, inas tandard childrestraint system,
the PASSENGER AIRBAG OFFindicator
lamp cangoout after theself-test. Thisindi-
cates thatthefront-passenger frontairbag
is enabled. Theresul tofthe classi fication is
depende nton, among otherfactors, the
child restraint systemandthechild's stat-
ure. Make surethattheconditions foracor-
rect classi fication aremet. Ifthe
PASSENGER AIRBAG OFFindicator lamp
remains off,donot install achild restraint
system onthe front-passenger seat.
R The front-passenger seatisoccupie dbya
person ofsmall erstature (e.g.ateenager or
small adult),the PASSENGER AIRBAG OFF
indicator lampeither lightsupand remains
lit after theself-test dependingon the resul t
of the classi fication or,alternativel y,goes
out.
- Ifthe PASSENGER AIRBAG OFFindicator
lamp isoff, move thefront-passenger seat
as far back aspossib le.
- Ifthe PASSENGER AIRBAG OFFindicator
lamp islit, aperson ofsmall erstature
shoul dnotuse thefront-passenger seat.
R The front-passenger seatisoccupie dbyan
adu ltor ap erson ofcorresponding stature,
the PASSENGER AIRBAG OFFindicator
lamp goesoutafter theself-test. Thisindi-
cates thatthefront-passenger frontairbag
is enable d.
If childre naretraveling inthe vehicle ,bes ure
to observe thenotes on"Ch ildre nint he vehi-
cle" (Ypage 53).
When theOccupant Classifica tionSystem
(OCS) ismalfu nctioning, thered 0075 restraint
system warning lamponthe instrument clus-
ter and thePASSENGER AIRBAG OFFindica-
tor lamp lightupsimul taneousl y.The front- passe
ngerfront airbag isdeactiva tedinthis
case anddoes notdepl oyduri nganaccident.
Have theOccupant Classifica tionSystem
(OCS) checked andrepai redimmedi atelyata
qua lifiedspecia listworkshop. Mercedes-Benz
recommends thatyouuseanauthori zed
Mercedes-Benz Centerforthis purpo se.
If the front-passenger seat,theseat cover or
the seat cushio naredama ged,have thenec-
essary repairwork carried outataq ualifie d
specia listworkshop. Mercedes-Benz recom-
mends thatyouuseanauthori zedMercedes-
Benz Center forthis purpo se.
For safety reasons, Mercedes-Benz recom-
mends thatyouonly useseat accessorie sthat
have been appro vedbyMercedes-Benz.
Deploy mentofthe driver's airbag does not
mean thatthefront-passenger frontairbag
depl oysaswell .The Occupant Classifica tion
System (OCS)categorizes theoccupant onthe
front-passenger seat.Depending onthat
resul t,the front-passenger frontairbag is
either enabledordeactiva ted.
Self-c heckofthe Occupant Classifica-
tion System (OCS) G
DA
NGER
If the PASSENGER AIRBAG OFFand
PASSENGER AIRBAG ONindicator lampsdo
not both lightupd uring the self-test, the
system ismalfu nctioning. Thefront-
passe ngerfront airbag might betriggered
unintentionally ormight notbetriggered at
all inthe event ofan accident withhigh
decele ration. Thisposes anincreased riskof
injury oreven fatalinjury.
In this case thefront-passenger seatmay
not beused .Don otinstall achild restraint
system onthe front-passenger seat.Have
the Occupant Classifica tionSystem (OCS)
checked andrepai redimmedi atelyata
qua lifiedspecia listworkshop. G
WARNING
If the PASSENGER AIRBAG OFFindicator
lamp remains litafter theself-test, thefront-
passe ngerfront airbag isdeactiva ted.Itwil l
not bedepl oyed inthe event ofan accident.
In this case, thefront-passenger frontair 48
Occ
upant safetySafety

bag
cann otperfor mitsint ended protective
func tion,e.g. when aperson isseated inthe
fron t-passenger seat.
That person could,forexample, comeinto
con tact with thevehicle's interior, especially
if the person issitt ing too close tothe dash-
board. Thisposes anincr eased riskofinjury
or even fatalinjury.
When thefron t-passenger seatisocc upied,
always ensure that:
R the classific ationofthe person inthe
fron t-passenger seatiscorr ectand the
fron t-passenger frontairbag isenabled or
deactiv atedinaccor dance withtheper-
son inthe fron t-passenger seat
R the person isseated properly withacor-
rect lyfasten edseatbelt
R the fron t-passenger seathasbeen moved
as far back aspossible
If the PAS SENGER AIRBAGO FFindicat or
lamp remains litwhen itshould not,the
fron t-passenger seatmust notbeused. Do
not installac hild restraint system onthe
fron t-passenger seat.Have theOcc upant
Classification System(OCS)checkedand
repaired immediately ataq ualified specialist
worksh op. G
WARN
ING
Objec tsbetween theseat surface andthe
child restraint system couldaffect OCS operation
.This could result inthe fron t-
passenger airbag notfunc tioningasinten-
ded during anacciden t.This poses an
incr eased riskofinjury oreven fatalinjury.
Do not place anyobjec tsbetween theseat
surface andthechild restraint system. The
ent irebase ofthe child restraint system
must always restonthe seat cushion ofthe
fron t-passenger seat.Thebackr estofthe
forward- facingchild restraint system must,
as far aspossible, berest ingonthe back-
rest ofthe fron t-passenger seat.Always
comply withthechild restraint system man-
ufactur er'sinstallation instruct ions.
Aft erthe self-t est,thePAS SENGER AIRBAG
OFF orthe PAS SENGER AIRBAGO Nindicat or
lamp displays thestatusofthe fron t-
passenger frontairbag (Ypage 46).Ifthe
fron t-passenger frontairbag isenabled, the
PAS SENGER AIRBAGO Nindicat orlamp lights
up for 60secon dsand then goes out.
If the PAS SENGER AIRBAGO Nindicat orlamp
is off, only thePAS SENGER AIRBAGO FFindi-
cator lampshows thestatusofthe fron t-
passenger frontairbag. ThePASSENGER AIR
BA GO FFindicat orlamp maybelitcon tinu-
ously orbe off.
For more information abouttheOCS, see
"Problems withtheOcc upant Classification
System "(Ypage 49).
Problems withtheOccupant Classification System(OCS) Be
sure toobserve thenoteson "System self-test"(Ypage 48). Occupant
safety
49Safet y Z