engine MERCEDES-BENZ E-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 sar eswitc hedoff.
R The hood isclos ed.
R The door sar eclos edand locked.
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 s.
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 yno tre cog‐
nize dangers. 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 Chang ege ar bef oreth eta ch ome terneedl eis
00C3 ofthewa yto there dar ea oftheta ch ome‐
te r.
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 pres sth eaccelera torpeda lpas t
th epr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgradually and
acceler ateth eve 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. 14
2
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 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 travelor bloc kadepr essed pedal.
This jeopardizes theoper 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 offata linj uries due to
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 canlead topoisonin g. #
Neverlea vetheengine running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. Dr
iving and parking 14
3

&
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 ifth eve hicle getsst uc k
in 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 thewindw ardside of
th eve hicle toensur ean adeq uatesup‐
pl yof fresh 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. 14
4
Driving and parking

*
NO
TEDama getothedr ivet ra in and
engin ewhen pulling away #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary.Pull away immed i‐
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-com busted 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. Limit
edbraking effect on salt-tr eatedro ads:
R Due tosalt build-up onthebr ak ediscs and
br ak epads, thebr aking distance canincrease
consi derably orresult inbraking onlyonone
side
R Maint ainamuc hgr eat ersaf edis tance tothe
ve hicle infront
To preve ntsaltbu ild-u p:
R Brak eocca siona llywh ile pa ying attenti onto
th etra ffic con dition s
R Carefull ydepr essthebr ak epedal attheend
of thejour neyand when star tin gth ene xt
jour ney ECO
star t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
Ve hicl eswithout a48 Von-b oardele ctrical
sy stem (EQ Boos tte ch nology)
The engine isswitc hedoffaut omaticall yin 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 omatic allyevenwh en
th eHOLD function isswitc hedon. Dr
iving andparking 14
5

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 Youopen orclo sethesof tto p.
R Anautomatic enginest ar tis nec essar y.
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 omaticall y
switc hedoffaf te rth re eminut es. Ve
hicl eswith a48 Von-b oardele ctrical sys‐
te m (EQ Boo sttech nology)
The engine isswitc hedoffaut omaticall yin 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.
R Youdepr essthebr ak epedal whentrav eling
at alow speed.
If yo uswit chon theHOLD function orselect a
dif fere nt trans mis sion positio nth an 005E, the
engine willautomaticall 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.
The engine isrestar tedaut omatic allyif:
R Youre lease thebr ak epedal intransmission
position 005Bwhen theHOLD function isno t activ
eand one ofthefo llo wing condition sar e
me t:
- Drive pr ogr am A or; isno tse lec‐
te d.
- Drive pr ogr am A or; isselect ed
but thedoes notst ar tto mo ve.
- Drive pr ogr am A or; isse lect ed ,
th eve hicle ismo ving ataspeed ofmor e
th at 15 mp h(20 km/h) andGlide mode is
no tactiv ated.
R Youen gage trans missi on positio n005B or005E.
R Youre lease thebr ak epedal, theve hicle is
no tin glide mode anditstar ts to mo veon a
ge ntle downh ill gr ad ient ataspe edbelow
2 mp h(3 km/h).
R Youdepr esstheaccelera torpeda l.
R Youopen orclo sethesof tto p.
R Anautomatic enginest ar tis nec essar y.
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 14
6
Driving and parking

ECO
Assis tfun ction Ve
hicl eswith a48 Von-b oardele ctrical sys‐
te m (EQ Boo sttech nology):
EC OAssis tanalyz esdat afo rth eve hicle's expec‐
te dro ute. This allowsthesy stem tooptimally
adjus tth edr iving style fo rth ero uteahead, save
fuel andrecup erate. Ifth esy stem detects an
eve ntahead(e .g. aspe edlimit oratraf fic cir‐
cle ),it wi llap pea ron mul tifunction displ ay1 .
The follo wing symbols canbedispla yed: No
tall event scan bedispla yed, depending onthe
engine type. 1
Event ahead
2 Distance totheeve ntahead
3 "Foo tof fth eacceler ator" prom pt
A differ ent number ofsegment s2 will appear
ar ound thesymbol depending onthedis tance to
th eeve ntahead:
R Fewsegm ents:theev ent ahead isnear .
R Man ysegment s:theev ent ahead isfur ther
aw ay.
When theve hicle nearsth eeve nt,ECOAssi st
will calc ulateth eop timal speed formaximu m
fuel econom yand recup erati ve ener gybased on
th edis tance, speedand downh ill gr ad ient. The Foo
toff the Accel erator mes sage will appear on
th emultifunc tiondispla y.Ifth edr iver lifts offth e
acc elerat orpedal ingood time,there maini ng
segments onthedispla ywill turngr een until the
eve ntsho wnisreac hed. Thedrivet ra in will be
se tfo rmaximu mfuel econom y.The vehicle will
coas t,wit hth ecombus tionengine switchedoff
if neces sary,and recup erateon itsownus ing
th eelectr icmo tor.Re cup erati on willch arge the
batt ery.
If th er eis no response totheFoot offthe Accel-
erator prom pt,th esegment swill remain white.
The eventwillbe sho wnfora shor ttime afte rit
has been passed.
If th eeve ntinvo lves ave hicle ahead andwhen
th ecoas t-do wn recomme ndation isgiv en, all
seg ments willimme diat ely turngr een once ther e
is are sponse totheFoot offthe Accelerator
pr om pt.
Fo rAc tiveECO Assistindrive pr ogr am ;,
symbol 3will appear onthemultifunc tiondis‐
pla yand onthehead-up displaybeside transmis‐
sion position 005B.Symbol 3will also appear
when theassis tant displ ayisno tselec ted. 14
8
Driving and parking

Selec
tingthedr ive pr og ram #
Press DYNA MIC SELE CTswitc h1 forw ards
or bac kwards.
The drive pr og ram sele cted app earsin the
multifu nctiondisplay. 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 values forengine outputand engine tor‐
qu ema yde viat efrom thenomin alvalues.
It ems that can influen cethis are, forex am‐
ple:
R Sea leve l
R Fuelgrade
R Outside temp eratur e 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‐ 15
0
Driving and parking

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. Whe
nth eaut omatic transmiss ionisshif tedto
position 005B,youcan man uallyshif tit wit hth e st
eer ing wheel paddle shifter.If per mitt ed,the
aut omat ictransm issionshif tsto thene xt gear
up ordown depen dingon thesteer ing wheel
paddle shifterbeing pulled.
Yo uha ve twoop tio ns tomanua lly shif tth eaut o‐
matic transmiss ion:
R Temp orar yse tting
R Perm anen tse tting
The gearsshif taut omat icallywhen manualgear‐
shif tingis deac tivated.
Te mp oraryse tting: #
Toactiv ate: pul lst eer ing wheel paddle
shif ter1 or2.
Manua lge arshif tingis act ivat ed fora shor t
time. Thecurrent gear isdispla yedin the
multifu nctiondisplay.
% Howlong themanual gearshif tingst ay sacti‐
va tedis dependen ton thedr iving style. #
Toshif tup: pull steer ing wheel paddle
shif ter2. #
Toshif tdo wn: pullsteer ing wheel paddle
shif ter1. #
Todeac tivate: pullst eer ing wheel paddle
shif ter2 and hold itin pla ce.
The transmiss ionposi tion 005Bapp earsin the
multifu nctiondisplay.
Pe rm anen tse tting: #
Cha ngeto drive pr og ram =(/ page15 0). #
Select theManua ldr ive pr ogr am
(/ page15 0).
Me rcedes- AMGvehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yno tre cog‐
nize dangers. Gear
shiftrecomm endation Mer
cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
The gearshif tre comme ndation assists youin
adop tingan eco nomic aldrivin gst yle. Dr
iving andparking 15
3

#
Ifge arshif tre comme ndation mess age1 is
sho wnonthemultifunc tiondispla y,shif tto
th ere comme ndedgear. Using
kickdow n Mer
cede s-AMG vehicl 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 Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
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 theengine continues to
ru nin neu tral .
R The trans mis sion positio n005B isdispl ayed in
gr een inthemultifunc tiondispla y.
R Vehicl eswith a48 Von-b oardele ctrical
sy stem (EQ Boos tte ch nology): thecom‐
bus tion engine isswitc hedoffdepending on
th edr iving situation .All oftheve hicle func‐
tions remain active.
Gli de mode isactiv ated 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 Youar eno longerdepr essing theacceler ator
or brak epedal.
% Glide mode canalso beactiv ated ifyo uha ve
select edthe"Eco" setting forth edr ive in the
dr ive pr og ram =.
Gli de mode isdea ctivated again ifone ofthe
condi tions isno long erme t.
Gl ide mod ecan also be preve nted bythefo llo w‐
ing parame ters:
R Incline
R Downhill gradi ent
R Temp eratur e
R Height
R Speed
R Oper ating status oftheengine
R Traf fic situ ation 15
4
Driving and parking

#
Beforeope ning thefuel filler cap ortak‐
ing holdof thepum pnoz zle, touc hth e
me tallic body oftheve hicle.
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 cou ld
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 uacc iden tally refuel withth ewr ong fuel:
R Donotswitc hth eignition on.Other wise
fuel canentertheengine.
Ev en small amounts ofthewr ong fuel
could result indamag eto thefuel system
and theengine. Therepair costsarehigh. #
Consult aqu alif ied spec ialistwo rkshop. #
Have thefuel tank and fuellines
dr ained complet ely . *
NO
TEDama getothefuel system caused
by ove rfilled fueltank s. #
Only fill th efuel tank unti lth epum p
noz zleswitc hesoff. *
NO
TEFuelma yspr ayout when you
re mo vethefuel pum pnoz zle. #
Onlyfill th efuel tank unti lth epum p
noz zleswitc hesoff. Re
quirement s
R The vehicle isunloc ked(/ page66).
% Donotge tint oth eve hicle again during the
re fuel ingprocess. Other wise,ele ctrostatic
ch arge cou ldbu ild up again.
Obs erve theno teson oper ating fluids
(/ page42 8). 15
6
Driving and parking