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

St
arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortra pped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand softto par eclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryvehicle star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. The vehicle mustbe star‐
te donc ewit hth eSmar tKey bef oretrying to
st ar tth eve hicle again withth esmar tphon e.you
can stop theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesof tto p. Br
eaking-in notes Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers. To
preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R Drive at varying road spee dsand engine
spee ds.
R Drive th eve hicle indrive pr ogr am A
or ;.
R Shif tto thene xt highes tge ar attheve ry lat‐
es twhen theneedle reac hes thelas tth ird
bef oreth ere dar ea intheta ch ome ter.
R Donotshi ftdo wn age ar man uallyin order to
br ak e.
R Avoid overstrai ning theve hicle, e.g.driving at
full thro ttle .
R Donotde press theaccelera torpeda lpas t
th epr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgradually and
accelera tetheve hicle tofull spee daf te r
1, 000 miles(1 ,500 km).
This also app lieswhe nth eengine orpar tsof the
dr ivet ra in have been replaced. 13
8
Driving and parking

Please
alsoobser vethefo llo wing breakin g-in
no tes:
R Incer tain drivin gand drivin gsaf etysy stems,
th esensor sadjus taut omaticall ywhile acer‐
ta in dis tan ceisbei ng driven afte rth eve hicle
has been delivered orafte rre pair s.Fu llsy s‐
te m effectiv enes sis no tre ac hed untilth e
end ofthis teac h-in proce ss.
R Brak epads, brak edisc sand tires that are
eit her newor have been replaced onlyac h‐
ie ve optimum braking effect and grip afte r
se veralhundr edkilom eter sof driving. Com‐
pensat efo rth ere duced braking effect by
appl ying great erforc eto thebr ak epedal. No
teson optimiz edacceler ation If
all necess aryre qu iremen tsand activation con‐
dition sar efulf illed, thebes tpossible accelera‐
tion canbeachie vedfrom ast ands till.
Do notuse theop timiz edaccelera tiononpublic
ro ads. Individ ualwheels couldspin andyou
cou ldlos econtr olof theve hicle. Thereis an
incr eased risk ofskidding and/oraccident. Be
sureto obser vethesaf etyno tesand informa‐
tion onESP ®
(/ page16 4). Pull
ingaway wit hop timi zed accel eration &
WARNIN GRisk ofskid ding and having
an acci dent from whe elsspi nning
Whe nyo uuse optim izedacc eler ation,ind i‐
vidual wheelsco uld spin andyouco uld lose
co ntro lof theve hicle.
If ESP ®
is deactiv ated, ther eis arisk ofskid‐
ding andaccident. #
Mak esur eth at no per son sor obs tacles
ar ein theclose vicinit yof your vehicle. Re
quirement s:
R The vehicle hasbeen brok en in
(/ page13 8).
R Theve hicle andtires arein good condition.
R Youar eon ahigh -grip ro adw ay.
R The engine andtransmission areat nor mal
oper ating temp eratur e. *
NO
TEIncr eased weardue tooptimized
acceler ation When
pulling away wit hop tim ized acceler a‐
tio n,all com ponentsof thedr ivet ra in are
subje cted toave ry high load.
This canlead toinc reased component wear. #
Donotalw ayspull away wit hop tim ized
acc eleration. #
Engage the005B drive position (/page14 8). #
Movethesteer ing wheel tothest ra ight -
ahead position. #
Selec tth espor tiestav ailable drive pr ogram
B orC(/ page14 5). #
Deactiv ateESP ®
(/ page16 6). #
Depr essand hold thebr ak epedal firm lywith
yo ur leftfo ot . #
With your right foot ,full ydepr esstheaccel‐
er ator pedal. Dr
iving andparking 13
9

#
Afterno mor eth an five seconds, take your
lef tfo ot quickl yof fth ebr ak e, but keep the
acc elerat orpedal depresse d.
The vehicle pullsaway atmax imum acceler a‐
tio n. #
Swit chon ESP ®
once theaccelera tionproce‐
dur eis com plete.
Endin gop tim ized acceler ation #
Remo veyour foot from theacceler ator pedal. #
React ivat eth eES P®
.
% Afteryo upull away wit hop tim ized accelera‐
tio n,com ponentsof thedr ivet ra in can
becom eve ry hot,whic hmeans that opti‐
miz edacc eleration values maybe reac hed
ag ain onlyafte ra fe w min utes. No
teson driving &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal. This
jeopar dizestheoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. #
Donotuse loose floor mats anddonot
place floor mats ontopof one another. &
WARNIN GRisk ofacci dent dueto
uns uitable foot we ar
Oper ationof thepedals maybe restrict ed
du eto uns uitable foot we arsuc has:
R Shoes withplat form soles
R Shoes withhigh heels
R Slipper s #
When driving alwayswe arsuit able
shoe sin order tobe able tooper ateth e
pedals safely. &
WARNIN GRisk ofacci dent whenswi tch‐
ing offth eignition whendriving
If yo uswit choffth eignition whiledriving,
saf etyfun ction sar ere strict ed orno long er
av ailable. Thismayaf fect thepo we rst eer ing
sy stem and thebr ak efo rc eboos ting,fo r
ex am ple.
Yo uwill then need touse consider ablymor e
fo rc eto steer and brak e. #
Donotswitc hof fth eignition whiledriv‐
ing. &
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. 14
0
Driving and parking

&
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . #
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. &
DANG ER Risk offata linj urydue topoi‐
sonous exhaus tga ses
If th eta ilpipe isbloc kedor suf ficie ntventil a‐
tio nis no tpo ssi ble, po isonou sex haus tga ses
suc has carbon monoxidemayent ertheve hi‐
cle. This isthecase when theve hicle
becomes stuc kin snow ,fo rex am ple. #
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
engine orthest atio naryheat erareru n‐
ning . #
Ope nawi ndo won theside oftheve hi‐
cle facing away from thewind toensur e
an adeq uatesupply offresh air. &
WARNIN GRisk ofacci dent andinjury
due tobeing under theinf luence ofalco‐
hol and drugs while driving
Dr iving when under theinf luence ofalcohol
and/or drugs isan extreme lydang erous
combin ation.Even small quant ities ofalco hol
or drugs mayaf fect your reflexe s,per cep tion
and judgment.
The probabi lityofaser ious oreven fata lacc i‐
dent greatl yinc reases ifyo udr ive when
und ertheinf luence ofalcohol ordrugs. #
Donotdr ink alcohol ortake drugs while
dr iving, anddonotallo wan yone to
dr ive who hasbeen drink ing alcohol or
ta king drug s. &
WARNIN GRisk ofacci dent dueto the
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal
when driving, thebr ak esy stem mayov er‐
heat.
This increases thebr aking distance and the
br ak esy stem mayeve nfa il. #
Neveruse thebr ak epedal asafo ot re st. #
Donotde press thebr ak epedal andthe
acc elerat orpedal atthesame time
while driving. *
NO
TEWearing out thebr ak elinings by
continu ously dep ressing thebr ak epedal #
Donotdepr essthebr ak epedal contin‐
uousl ywhils tdr iving. #
Touse thebr aking effect of theengine,
shif tto alowe rge ar ingood time. Dr
ivin gand parking 14
1

*
NO
TEDama getothedr ivet ra in and
engin ewhen pulling away #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary.Pull away immedi‐
at ely. #
Avoid high engine speeds anddriving at
full thro ttle untilth eengine hasreac hed
its operatin gte mp eratur e. *
NO
TEDama getothecat alytic converter
due tonon-co mbusted fuel The
engine isno tru nning smoothly and is
misf iring.
Non-c ombus tedfuel mayge tint oth ecat a‐
lyt iccon verter . #
Onlydepr esstheaccelera torpeda l
slig htly. #
Have thecause rectif ied imme diat ely at
a qu alif ied spec ialistwo rkshop. No
teson driving onsalt- treat edroads
The braking effect islimit edon salt-tr eated
ro ads. Ther
efor e, obse rveth efo llo wing notes:
R Due tosalt build-up onthebr ak ediscs and
br ak epads, thebr aking distan cecan increase
consi derablyor result inbraking onlyon one
side
R Maint ainamuc hgr eat ersaf edis tance tothe
ve hicle infront
To remo vesalt build-up:
R Brak eoccasionall ywhile paying attention to
th etra ffic con dition s
R Carefull ydepr essthebr ak epedal attheend
of thejour neyand when star tin gth ene xt
jour ney
No teson hydropl aning
Hyd roplaning cantake place onceacer tain
amount ofwa terhas accumu lated on thero ad
sur face.
Obs erve thefo llo wing notesdur ing heavyprecip‐
it ation orinconditions inwhic hhy droplaning
ma yocc ur:
R Reduce speed
R Avoid tireru ts R
Avoid sudden steer ing movements
R Brak ecar eful ly
% Also obser vetheno teson regular lych ecking
wheels andtires (/ page389).
No teson driving through wateron the road
sur face
Wa terwhi chhas entered intoth eve hicle can
damag eth eengine, electricsand transmission .
Wa tercan alsoent ertheair intakeof theengine
and cause engine damage.
Obser vethefo llo wing ifyo umus tdr ive th ro ugh
wa ter:
R The water,when calm,ma yonl yre ac hth e
lo we redg eof theve hicle body
R Drive at wa lkin gpace atmos t,other wise
wa tercan entertheve hicle interior orengine
com partment
R Vehicles trave ling infront ,or onc omin gve hi‐
cles, cancreat ewav eswhic hma yexc eed the
maximu mper missi bleheig htofthewa ter
The braking effect of thebr ak es isreduced afte r
fo rd ing. Brak ecar efull ywhile paying attent ion to 14
2
Driving and parking

th
etraf fic condi tions untilbr aki ng powe rhas
been fullyrestor ed. ECO
star t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
The engineisswi tched offau tomatical lyin the
fo llo wing situat ionsifall vehicle conditions for
an aut omat iceng inestop areme t:
R Youbr ak eth eve hicle toast ands tillin trans ‐
miss ionposit ion005Bor005C.
If yo uswit chon theHOLD function intransmis‐
sion position 005Bor005C, theengine willautomati‐
call yst op inthefo llo wing situat ions:
R Youstop behind ave hicle that ispullin g
aw ay.
R Youstop atast op sign when ther eis no vehi‐
cle infront ofyou.
R Youtur nth esteer ing wheel hardat alow
speed. %
Intra nsmiss ionposition 005E,theengine is
no tswitc hedoffaut omaticall yeve nwh en
th eHOLD function isswitc hedon.
The engine isrestar tedaut omatic allyif:
R Youre lease thebr ak epedal intra nsmiss ion
position 005Bwhen theHOLD function isno t
activ e.
R Youen gage trans missi on positio n005B or005E.
R Youdepr esstheacceler ator pedal.
R Youch ang eth eve hicle leve l.
R Youen gage drive pr og ram B.
R Anautomatic engine star tis requ ired bythe
ve hicle.
EC Ostar t/ stop funct ionsymbols inthemulti‐
func tion displa y:
R The 00D6 symbol (green) appear swhen the
ve hicle isat ast ands till:th eengine was
switc hedoffby theEC Ostar t/ stop funct ion.
R The 00D5 symbol (yello w)appear swhen the
ve hicle isat ast ands till:no tall vehicle condi‐
tions foran engine stop have been met. R
Neit herthe00D6 nor00D5 symbol appears
when theve hicle isat ast ands till:an intelli‐
ge nt stop inhibit orwa sde tected, e.g. ast op
sign.
% If,inspit eof an intellig entstop inhibit or,th e
engine shouldbeswitc hedoffby theEC O
st ar t/ stop funct ion,youha ve thefo llo wing
op tion s:
R Swit chon theHOLD function intransmis‐
sion position 005Bor005C.
R Youen gage trans missi on positio n005D.
If th eengine wasswitc hedoffby theEC Ostar t/
st op funct ionand youlea vetheve hicle, awa rn‐
ing tone sou nds and theengine isno tre star ted.
The Vehicle ReadytoDriv eSwitc hthe Ignit ion
Off Befor eEx iting displa ymessag ealso appear s
in themultifunc tiondispla y.Ifyo udo notswit ch
of fth eignition ,th eignition isaut omatic ally
switc hedoffaf te rth re eminut es.
Deactiv atingoractiv ating theECO star t/
st op fun ction Dr
ivin gand parking14
3

Conf
iguringdrive pr og ram I Mu
ltimed iasystem:
4 Vehicle 5
e DYNA MICSELECT
5 Individual #
Select theindividual setting. Switc
hingtheoper ation feedba ckfordr ive
pr og ram on /o ff Multimedia
system:
4 Vehicle 5
e DYNA MICSELECT #
Switc hNotif ication forUser on0073 oroff0053.
When this func tion isact ive, acor responding
messag eis sho wninthemedia displaywhen
a dr ive pr og ram issele cted withth e
DY NA MIC SELE CTswitc h. Displa
yingvehicl edata Mul
timedi asy stem:
4 Vehicle 5
e DYNA MICSELECT #
Select Vehicle Data.
The vehicle datais displa yed. Displa
yingengine data Multimedia
system:
4 Vehicle 5
e DYNA MICSELECT #
Select Engine Data.
% The actual (maximum) values that can be
ac hie vedfo rengine outputand engine tor‐
qu ema yde viat efrom thecer tified values
wit hin thecount ry-spe cificgu ideline sfo r
per missible toler anc es(basis: UN-ECE No.
85 orcount ry-spe cificgu ideline s).
Fa ctor sth at can influen cethis are, forex am‐
ple:
R Sea leve l
R Fuelgrade
R Outside temp eratur e
% The values displa yedser veonl yas orient a‐
tion. Thevalues forengine outputand
engine torq ue show nin themedia display
ma yde viat efrom theactual values. Au
tomatic trans mis sion DI
REC TSE LECT leve r Fu
nction oftheDIRECT SELECT leve r &
WARNIN GRisk ofacci dent dueto inc or‐
re ct gearshif ting
If th eengine speedishigher than theidle
speed andyouen gage thetransmission posi‐
tion 005Bor005E, theve hicle mayacceler ate
shar ply. #
Ifyo uen gage thetransmission position
005B or005E when theve hicle isat a
st ands till,alw aysdepr essthebr ak e
pedal firm lyand donotacc eler ateat
th esame time. 14
6
Driving and parking

#
Dep ress thebr ak epedal andengageneutral
005C when theve hicle isstatio nary. #
Release thebr ak epedal. #
Switc hth eignition off.
% Ifyo uth en exitth eve hicle leaving the
Smar tKey intheve hicle, theaut omatic trans‐
mission remains inneutr al005C.
Eng aging parkpositio nP #
Obser vetheno teson par king theve hicle
(/ page15 3). #
Dep ress thebr ak epedal untiltheve hicle is
st atio nary. #
When theve hicle isstatio nary,press butt on
005D.
Pa rk position isonl yeng aged when the
tr ans missi on positio ndisp lay 005D issho wnin
th emultifunc tiondispla y.Ifno transmissi on
positio ndispl ay005D appear s,sec ureth eve hi‐
cle topreve ntitfrom rolling away. Pa
rk position 005Diseng aged aut omatic allyif one
of thefo llo wing condition sis me t:
R Youswit choffth eignition whentheve hicle
is statio naryand thetransmission isin posi‐
tion 005Bor005E.
R Youopen thedr iver's door when theve hicle
is statio naryor when drivin gat ave ry low
speed andthetra nsmiss ionisin position 005B
or 005E.
% Tomaneu verwit han open driver's door ,
open thedr iver's door while statio naryand
eng agetrans miss ionposit ion005Bor005E
ag ain.
Eng agin gdr ive posi tion D #
Depress thebr ak epedal andpush the
DIR ECT SELEC Tleve rdo wn pas tth efirs t
point ofresis tance.
The trans mis sion positio ndispl ay005B is
sho wninthemultifunc tiondispla y. When
theaut omatic transmiss ionisin transmis‐
sion position 005B,itshif tsthege arsaut omat i‐
call y.This depends, amongother things ,on the
fo llo wing fact or s:
R The select eddrive pr ogr am
R The position oftheaccelera torpeda l
R The driving speed Manual
gearshif ting &
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . #
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. 14
8
Driving and parking

Using
kickdo wn Mer
cedes- AMGvehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers. #
Maxi mum acceler atio n:dep ress theaccel‐
er ator pedal beyond thepr essur epoint .
The automatic transmiss ionshiftsup tothene xt
ge ar when themaximum enginespeedis
re ac hed toprotect theengine from overrev ving. Glide
mode functio n Wi
th an ant icip ator ydr ivin gst yle, glide mode
helps youto reduce fuelconsum ption.
Glide mode isch aract erize dby thefo llo wing:
R The com bustion engin eis disco nnect edfrom
th edr ivet ra in and theve hicle continues to
ro llin neut ral.
R The transmissio nposit ion005Bisdispla yedin
gr een inthemultifunc tiondispla y. Glide
mode isact ivat ed ifth efo llo wing condi‐
tion sar eme t:
R Drive pr ogr am ; issel ect ed.
R The spee dis within asuit able rang e.
R The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight bends.
R Youdo notdepr esstheaccelera toror brak e
peda l.
% Glide mode canalsobe activ ated ifyo uha ve
select edtheEc ose tting forth edr ive when
in drive pr og ram =.
Gli de mode isdea ctivated again ifone ofthe
condi tions isno long erme t.
Ve hicl eswith Activ eDi stance Assist
DI ST RO NIC :wh en ActiveDis tance Assist
DIS TRONI Cis acti ve,th eglide mode function is
no tav ailable. Re
fueli ng Re
fueli ngtheve hicl e &
WARNIN GRisk offire or explosion from
fuel
Fu els arehighly flammab le. #
Fire,open flames ,smo kingand creat ion
of spar ksmus tbe avo ided. #
Swit choffth eignition and,ifav ailable,
th est atio naryheat er,bef oreand while
re fuel ingtheve hicle. &
WARNIN GRisk ofinju ryfrom fuels
Fu els arepoisonous andhazar dous toyour
healt h. #
Donotsw allo wfuel orletit co me into
co ntact withsk in, eyes orclo thing. #
Donotinhale fuelvapor . #
Keep childr enaway from fuel. #
Keep door sand windo wsclos edduring
th ere fuel ingprocess. 15
0
Driving and parking

If
yo uor other people comeintocont actwith
fuel, obser vethefo llo wing: #
Imm ediat elyrinse fuelof fyo ur skin wit h
soap andwater. #
Iffuel comes intocont actwithyo ur
ey es, immediat elyrinse them thor‐
oughl ywit hclean water.Seek medical
att entio nimm ediately . #
Ifyo usw allo wfuel, seek medicalatten‐
tio nimm ediat ely. Do notind uce vomit‐
ing. #
Cha ngeimmedi ately out ofclo thing that
has com eint ocon tact with fuel . &
WARNIN GRisk offire and explosion due
to electr ostatic charge
Ele ctrostat icch arge can crea te spar ksand
th er eb yignit efuel vapor s. #
Beforeyo uopen thefuel filler cap or
ta ke hold ofthepum pnoz zle, touc hth e
me tallic vehicle body.
This dischargesan yelectr ostatic charge
th at ma yha ve built up. #
Donotge tint oth eve hicle again during
th ere fuel ingprocess.
Ot her wise,ele ctrostatic charge can
bu ild up again. *
NO
TEDama gecau sed bythewr ong fuel Ve
hicles withaga soline engine:
Ev en small amounts ofthewr ong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission control system. #
The RONrequ iremen tis locat edinthe
fuel filler flap. #
Onlyrefuel withlow- sulfur unleade d
fuel.
This fuelmaycont ainupto10%ethanol. Your
ve hicle issuit able foruse withE1 0fuel . Ne
verre fuel using anyof thefo llo wing fuels:
R Dies el
R Gasoline withmor eth an 10%ethanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withmor eth an 3% methano lby
vo lume, e.g.M15,M30 ,M85 ,M1 00
R Gasoline withadditiv escon tainin gme tal
If yo uacc iden tally refuel withth ewr ong fuel: #
Donotswitc hth eignition on. #
Consult aqu alif ied spec ialistwo rkshop. *
NO
TEDo notus ediese lto refuel vehi‐
cles withaga soline engine If
yo uha ve acc iden tally re fuel edwithth e
wr ong fuel:
R Donotswit chtheignition on.Other wise
fuel canentertheengine.
Ev en small amounts ofthewr ong fuel
could result indamag eto thefuel system
and theengine. Therepair costsarehigh. Dr
iving andparking 15
1