engine MERCEDES-BENZ S-CLASS CABRIOLET 2020 Owner's Guide

#
Bring theve hicle toast ands tillby appl ying
th ebr ak epedal. #
Onuphill ordownhill gradients, turnth efront
wheels sothat theve hicle rolls towa rdsth e
curb ifit star ts mo ving. #
App lytheelectr icpar king brak e. #
Engage trans missi on positio n005D inast atio n‐
ar yve hicle withth ebr ak epedal applied
(/ page14 8). #
Switc hof fth eengine andtheignition by
pr essing button1. #
Release theser vice brak eslo wly. #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thesof tto p
fo rapp roxima tely five minut esifth edr iver's
door isclosed. Gar
agedoor opener Pr
og rammin gbutt onsfo rthe garage doo r
ope ner &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofinju rywhen opening
or clos ingadoor withth ega rage door
opener
When youoper ateor program thedoor with
th eint egr ated garage door opener ,people in
th era ng eof mo vement ofthedoor may
become trapped orstru ck bythedoor . #
When usingtheint egr ated garage door
opener ,alw aysmak esur eth at nobody
is wit hin thera ng eof mo vement ofthe
door . Onl
yoper ateth efo llo wing doorsusing the
ga rage door opener :
R Door swit hasaf etyst op and reve rsing fea‐
tur e
R Doorswhic hcon form tothecur rent U.S.
sa fety standar ds
Re quirement s: 15
4
Driving and parking

R
The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The engine isswitc hedoff.
R The ignition isswitc hedon.
% The garage door opener function isalw ays
av ailable whentheignition isswitc hedon. #
Chec kif th etra nsmit terfr eq uency ofthe
re mo tecontr olha sth efreq uency rang eof
280 to868 MHz.
Ra dio equipment approval num ber:
R NZLM UAHL5 (USA)
R 4112 A-MU AHL5 (Canada ) #
Press and hold button1, 2or3 that you
wish toprog ram.
Indicat orlam p4 flashes yello w.
% Itcan take up to20 seconds beforeth eindi‐
cat orlam pflashes yello w. #
Release thepr ev iousl ypr essed button.
Ind icat orlam p4 con tinues toflash yello w. #
Point remo tecontr ol5 from adi st anc eof
0. 4in (1 cm )to 3in (8 cm) towa rdsbutt on
1, 2or3. #
Press and hold button6 ofremo tecontr ol
5 unti lone ofthefo llo wing signalsappear s:
R Indicat orlam p4 light sup green contin‐
uousl y.Progr amming iscom plete.
R Indicat orlam p4 flashes green .Pr o‐
gr ammi ngwassuccessful. Addition ally, sync
hronization ofthero lling code with
th edoor system mus talso becar ried out. #
Ifindicat orlam p4 does notlight uporflash
gr ee n: repeat thepr ocedur e. #
Release allofthebutt ons.
% The remo tecontr olforth edoor drive is no t
included inthescope ofdeliv eryof the
ga rage door opener .
Sync hronizing thero lling code
Re quirement s:
R The door system uses aro lling code.
R The vehicle mustbe within rang eof the
ga rage door ordoor drive.
R The vehicle aswellas per son sand obje cts,
ar elocat edouts idethera ng eof mo vement
of thedoor . Dr
iving andparking 15
5

Electr
icpa rking brak e Electr
icpar king brak efunct ion(app lying
aut omat ically) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. The
elect ric pa rking brak eis applied ifth etra ns‐
mission isin position 005Dand one ofthefo llo w‐
ing con dition sis fulf illed:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
% Toprev ent application: pullthehandle ofthe
electr icpar king brak e.
In thefo llo wing situat ions,th eelectr icpar king
br ak eis also applied:
R ActiveDis tance AssistDIS TRONI Cis bring ing
th eve hicle toast ands till.
R The HOL Dfun ction iske eping theve hicle sta‐
tio nar y. R
ActivePa rking Assistis ke eping theve hicle
st atio nary.
This isthecase ifone ofthefo llo wing condition s
is also fulfilled:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
R Ther eis asy stem malfunct ion.
R The powe rsupp lyis insuf ficie nt.
R The vehicle isstatio naryfo ra lengt hyper iod.
When theelectr icpar king brak eis applied, the
re d0049 (USA)or0024 (Canada) indicatorlam p
appear sin theins trument cluster.
The electr icpar king brak eis no taut omaticall y
applied ifth eengine isswitc hedoffby theEC O
st ar t/ stop funct ion. Dr
iving andparking 15
9

St
andb ymode isch aract erize dby thefo llo wing:
R thest ar terbatt eryis preser ved.
R themaximum non-opera tionaltime appear s
in themedia display.
R thecon nect iontoonline services isint erru p‐
te d.
R theAT A(anti-t heftal ar m system) isno tav ail‐
able.
R thefunc tion forde tecting damag eon a
pa rked vehicle isno tav ailable.
If th efo llo wing condition sar efulf illed, standb y
mode canbeact ivat ed ordeac tivated usin gth e
multime diasystem:
R theengine isswitc hedoff.
R theignition isswitc hedon.
Ex ceeding theve hicle's displayednon -opera ‐
tion altime maycause inconvenie nce, i.e.it can‐
no tbe guarant eedth at thest ar terbatt erywil l
re liabl yst ar tth eengine. The
star terbatt erymus tbe charge dfirs tin the
fo llo wing situat ions:
R The vehicle's non-oper ational timemustbe
ex tende d.
R The Batte ryCh arg eInsu fficie ntfor Stand by
Mod emes sage appear sin themedia display.
% Standb ymode isaut omat icallydeac tivated
when theignition isswitc hedon.
Ac tiv atin g/deac tivatin gst andb ymode
Mul timedi asy stem:
4 Vehicle 5
î Vehicle Setting s
5 Standby Mode
% This function isno tav ailable forall model s. #
Activate0073 ordeacti vate 0053 thefunc tion.
When youact ivat eth efunc tion,a pr om pt
appear s. #
Select Yes.
St andb ymode isact ivat ed. Dr
iving anddriving safetysy stems Dr
iving systems andyour responsibility Yo
ur vehicle iseq uipped withdr iving systems
whic hassis tyo uin drivin g,par kingand man eu‐
ve ring theve hicle. Thedriving systems areaids
and donotre lie ve youof your responsibili typer‐
ta inin gto road traf fic law. Payatt ention tothe
tr af fic condi tions atalltime sand interve ne
wh en nece ssary.Be awareof thelimit ations
re ga rding thesaf euse ofthese systems. Inf
ormat iononradar and ultrasonic senso rs Some
drivi ng and drivi ng safety systems use
ra dar orultr asonic sensorsto monit orthear ea
in front of,behind ornext to theve hicle (depend‐
ing ontheve hicle's equipment).
Depending ontheve hicle's equipment, thera dar
sensor sar eint egr ated behind thebum pers
and/or behindthera diat orgrill. The ultrasonic
sensor sar elocat edinthefront and rear bum p‐
er s. Ke ep these partsfree ofdir t,ice and slush
(/ page365). Thesensor smus tno tbe cov‐
er ed, forex am ple bybicy clerack s, ove rhang ing 16
2
Driving and parking

lo
w 0025 ABSwa rning lam plight sup con tin‐
uousl yin theins trument clusteraf te rth e
engine isstar ted. Fu
nction ofBA S(Br akeAssis tSy stem) &
WARNIN GRisk ofan acci dent caused by
a malf unctionin BA S(Br akeAssi stSys‐
te m)
If BA Sis mal functi oning,th ebr aking distance
in an eme rgency braki ng situa tionis
incr eased . #
Dep ress thebr ak epedal withfull forc e
in emer gency braki ng situa tions. ABS
pr eve nts thewheels from locking . BA
Ssu ppo rts yo ur eme rgency braking situation
wit hadditional brak efo rc e.
If yo udepr essthebr ak epedal quickl y, BA Sis
acti vated:
R BASau tomatical lyboos tsthebr ak epr es‐
sur e.
R BAScan shorten thebr aking distance. R
ABS preve nts thewheels from locking .
The brak es will func tion asusual onceyo u
re lease thebr ak epedal. BASis dea ctivated. Fu
nction ofESP ®
(Electr onicStabil ityPro‐
gr am) &
WARNIN GRisk ofskid ding ifESP ®
is
mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ry
out vehicle stabiliz ation.Inaddit ion,ot her
dr iving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spe‐
cialis two rkshop. &
WARNIN GRisk ofskid ding ifESP ®
is
dea ctivated
If yo udeac tivateES P®
,ES P®
can notcar ry
out vehicle stabiliz ation. #
ESP®
shoul don lybe deactiv ated inthe
fo llo wing situat ions. Mer
cedes‑AM Gve hicl es:besur eto obser ve
th eno tesin theSupplement .Ot her wise, you
ma yfa ilto recogni zedangers.
ESP ®
can moni torand improve driving stabilit y
and tract ion inthefo llo wing situat ions,wit hin
ph ysical limit s:
R When pulling away on awe tor slip pe ry road‐
wa y.
R When braking.
R Instro ng side winds from approx .50 mph
(80 km/ h).
If th eve hicle deviat esfrom thedir ect ion desir ed
by thedr iver ,ES P®
can stabiliz eth eve hicle by
int erve ning inthefo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engine outputisadap tedaccor dingto
th esituation . 16
4
Driving and parking

%
The segment sbe tween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limit s
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout.
Ch ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By
doing so,youwill mak euse oftheengine' sbr ak‐
ing effect. Thisre lie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor . Ope
ratin gcr uis eco ntr ol &
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The driven spe edisat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. #
Toactiv atecr uise contr ol: press rock er
switc h1 up. #
Toactiv atecr uise contr ol: press rock er
switc h2 up(SET +)or down (SET -).
The current spe edisstor ed and maint ained
by theve hicle.
or Dr
iving andparking 17
3

*
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist
To avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened.
R The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion. R
The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The transmis sionisin position 005B,005Eor005C.
Ac tiv atin gthe HOL Dfunc tion #
Dep ress thebr ak epedal andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin themultifunc tiondispla y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom themultifunc tiondis‐
pla y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R The transmission isswitc hedtoposition 005D.R
The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
tr ans missi on positio n005D and /or bytheelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedoff.
R Ther eis amalfunction inthesy stem orthe
po we rsupp lyis insuf ficie nt. AI
RMA TIC Fu
nction ofAIRMA TIC
AIRMA TICisan air suspension system withva ria‐
ble dam pingfo rim prove ddr iving comfort.The
all-r ound leve lcon trol system ensur esthebes t
possible suspension andconstant grou nd clea r‐
anc e,eve nwi th aladen vehicle. When driving at
speed, theve hicle islowe redaut omatic allyto
im prove driving safetyand toreduce fuelcon‐
sum ption. Youalso have theop tion ofmanually
adjus tingtheve hicle leve l. 18
8
Driving and parking

of
thelat eral front and rear segm entscan bedis‐
pla yed. Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hout a360° Camer a
1 Oper ational front and rear
2 Operation alfron t,re ar and sides
3 Obstacle detected atthefront right (yello w)
and rear (red) Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit ha360° Camer a
1 Oper ational front and rear
2 Operation alfron t,re ar and sides
3 Obstacle sde tected atthefront right (red)
Sa vedobs tacle son thesides aredele tedin the
fo llo wing situat ions,fo rex am ple:
R Youpar kth eve hicle andswitc hof fth eigni‐
tion .
R Youopen thedoor s.
Af terth eengine isrestar ted, obs tacle son the
sides mustbe detected again bef oreane w
wa rning can beissued. Sy
stem limit s
The system limits forPa rking Assist
PA RK TRONI Cappl yto passiv eside impact pro‐
te ction.
The follo wing objectsar eno tde tected, forex am‐
ple:
R Pedes trians who approachth eve hicle from
th eside
R Objec tsplaced next to theve hicle
Deactiv ating/activ atingParking Assis t
PA RK TRONI C
* NO
TERisk ofan acci dent from objects
at clo serang e Pa
rking AssistPA RK TRONI Cma yno tde tect
cer tain obje ctsat clos era ng e. #
Whe npa rking ormane uvering theve hi‐
cle, paypar ticular attention toany
obj ect swhic har eabo veorbelo wthe
sensor s,e.g. flowe rpo ts or draw bar s.
The vehicle orother objects couldoth‐
er wise bedamag ed. Dr
iving andparking 19
5

AT
TENTI ONASSIST Fu
nction ofATTENTI ONASSIST
AT TENTION ASSISTassis tsyouon long,mon oto‐
nous journeys,e.g. onhighw aysand trunk roads.
If AT TENTION ASSISTde tects indicatorsof fati‐
gu eor incr easing laps es inconce ntration onthe
par tof thedr iver ,it sugg ests taking abr ea k.
AT TENTION ASSISTis onl yan aid. Itcann ot
alw aysde tect fatig ue orlaps es inconce ntration
in tim e.The system isno ta subs titutefo ra we ll-
re sted and attent ive dr iver .On long journeys,
ta ke regular break sin good timethat allo wfor
adeq uatere cup erati on.
Yo ucan choose between twose ttings:
R Standar d:nor mal system sensit ivity.
R Sensitiv e:higher system sensit ivity.The
dr iver iswa rned ear lier and theatt ent ion
le ve lde tected byATTENTION ASSISTis adap‐
te daccor dingly.
If dr ow siness orincr easing lapsesinconcen tra‐
tion arede tected, theATTE NTION ASSIS T:Take
a Break !wa rning appear sin theIns trument Dis‐
pla y.Yo ucan ackn ow ledg eth emessag eand tak
eabr eak wher eneces sary.Ifyo udo notta ke
a br eak and ATTENTION ASSISTcont inues to
de tect incr easing lapse sin concentr ation, you
will bewarned again afte ra minimu mof
15 minut es. Yo
ucan have thefo llo wing status informat ionfor
AT TENTION ASSISTdispla yedin theassis tance
menu oftheon- boar dcom puter:
R The lengt hof thejour neysince thelas t
br eak .
R The attent ion leve lde term ined byATTENTION
ASS IST. If
AT TENTION ASSISTis unable tocal cul ateth e
att ent ion leve land cannotissue awa rning, the
Sys tem Suspend edmes sage appear s.
If awa rning isgiv en intheIns trument Display,
th emultimedia system offers to sear chfora re st
ar ea. Youcan selectare st area and star tna vig a‐
tio nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
If AT TENTION ASSISTis deactiv ated, theÛ
symbol appearsin theassis tance grap hicin the
Ins trument Displaywhen theengine isrunning .
AT TENTION ASSISTis activ ated aut omaticall y
when theengine isre-sta rted. The lastselect ed
sensit ivityleve lre mains stor ed.
Sy stem limit s
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(200 km/h) speedrang e.
The func tional ity ofATTENTION ASSISTis
re strict ed, and warnings maybe dela yedor not
occ uratall inthefo llo wing situat ions:
R Ifyo uha ve been driving forless than appr ox‐
imat ely30 min utes. 208
Drivin gand parking

R
Ifth ero ad con dition ispoor (unevenro ad
sur face orpotholes).
R Ifth er eis ast ro ng side wind.
R Ifyo uadop ta spor tydrivin gst yle (high cor‐
ner ing speeds orhigh ratesof acceler ation).
R Ifth eSt eer ing Assis tfunc tion ofActiveDis ‐
ta nce AssistDIS TRONI Cis acti ve.
R Ifth etime hasbeen setincor rectly .
R Inacti vedriving situation s,ifyo uch ang e
lane sand vary your spee dfreq uen tly.
The ATTENTION ASSISTtir edness oraler tness
assessment isdele tedand restar tedwhen con‐
tin uing thejour neyin thefo llo wing situat ions:
R Ifyo uswit choffth eengine.
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.chang ingdriver sor taking
a br ea k). Se
ttin gAT TENTI ONASSIST
Multimedia system:
4 Vehicle 5
k Assist ance
5 ATTE NTION ASSIS T
Se tting options #
Select Standard, SensitiveorOff.
Sugg esting are st area #
Select SuggestRes tArea. #
Activate0073 ordeacti vate thefunc tion 0053.
If AT TENTION ASSISTde tects fatig ue or
incr easing lack ofatt ention ,it sugg ests a
re st area inthevicinit y. #
Selec ta sugg estedre st area: youar egui‐
ded totheselect edrest area. Tr
af fic Sign Assis t Fu
nction ofTraf fic Sign Assis t Sin
ceTraf fic Sign Assistalso uses thedat a
st or ed inthena vig ation system, itcan updat e
th edispla yin thefo llo wing situat ionswithout
de tecting traf fic sig ns:
R Whe nth eve hicle chang esroads, e.g.on a
high wayen try or exitro ad. Dr
ivin gand parking209