engine MERCEDES-BENZ E-CLASS CABRIOLET 2021 User Guide

Oper
ating themem oryfun ction St
oring #
Setth edesir edposition forall systems. #
Brief lypress theV memor ybutt onand
th en press prese tposition 0037,Tor
U within thre esecon ds.
An acous ticsignal sounds. Thesettings are
st or ed. #
Tocall up:pr ess orbrief lyhold prese tposi‐
tion button0037, TorU.
Af terre leasing thebutt on,allsystems are
mo vedint oth estor ed position. St
ow agear eas No
teson loading theve hicl e &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth e
tr unk lid is op en when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine before
opening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. &
WARNIN GRisk ofinju ryfrom unsecu red
it ems intheve hicle
If object s,lugg ageor loads areno tsecur ed
or notsecur edsuf ficie ntly,they cou ldslip, tip
ove ror be throw nar ou nd and ther eb yhit
ve hicle occupants.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around. #
Beforeth ejour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. &
WARNIN GRisk ofinju rydue toobject s
being stowe dinco rrect ly
If objects intheve hicle interior arestowe d
inc orrectly ,th ey can slide orbe throw n
ar oun dand hitvehicle occupants. Inaddi‐
tion, cupholder s,open stor ag espaces and
mobile phonebrac kets cann otalw aysre tain
all obje ctsth ey cont ain.
The reisarisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. 10
4
Sea tsand stow ing

Ext
erior light ing Inf
orma tion abou tlight ingsystems andyour
re sponsibility The
various lighting systems oftheve hicle are
onl yaids. Thedriver oftheve hicle isresponsible
fo rcor rect vehicle illumination inaccor dance
wit hth epr eva iling light andvisibilit ycon dition s,
leg alrequ iremen tsand traf fic situ ation. Li
ght switch Ope
ratin glight switches 0047
0063 Left-ha ndstandi nglam ps
0048 0064 Right-hand standi nglam ps
0049 0060 Parking lam psand licen seplat elam p
004A 0058 Automatic driving lights(pr efer redlight
switc hposition ) 004B
0058 Lowbeam/high beam
6 005E Switchesthere ar foglam pon oroff
When low beam isactiv ated, the0060 indicat or
lam pfo rth epar king lampswill bedeactiv ated
and replaced bythe0058 low- beam indicat or
lam p. #
Alw ayspar kyo ur vehicle safely using suffi‐
cie ntlighti ng,inacco rdanc ewit hth ere le‐
va nt lega lst ipulation s.
* NO
TEBatt erydi sc ha rging byoper ating
th est andi nglight s Oper
atingth est andi nglight sove ra per iod of
hour sputs ast ra in on thebatt ery. #
Wher epossible, switchon the
ri ght 0064 orleft0063 parking light. If
th ebatt eryis insuf ficie ntlych arge d, thest and‐
ing lam psorpar kinglam pswill beswit ched off
aut omaticall yto facil itat eth ene xt engine star t. Ligh
tand visibilit y11
3

Se
tting thelo w beam (vehicles withMUL TI‐
BEAM LEDhead lampsonl y) Multi
media system:
4 © 5
Set ting s5
Light
5 Low-beam Headlamps #
Select Right-side Traffic,Left -side Traffic or
Autom atic. Switc
hingtheda ytime running lampson/of f Multimedia
system:
4 © 5
Set ting s5
Light
5 Daytime Run.Lights #
Switc hth efunc tion onoroff. Se
tting theex terior light ingswitc h-of fdela y
tim e Re
quirement s:
R The light switc his in the0058 position . Multimedia
system:
4 © 5
Set ting s5
Light
5 Exterior Lightin gDelay #
Setth eswitc h-offdela ytime.
When theve hicle engine isswitc hedoff,th e
ex terior lighting willbeactiv ated forth ese t
time. Switc
hingthesur round lighting on/off Mul
timedi asy stem:
4 © 5
Set ting s5
Light
5 Locat orLightin g
When LocatorLightin gis activ e,theex terior
lighting lightsupfor40 seconds afte rth eve hicle
is unloc ked. When youstar tth eve hicle, thesur‐
ro und lightingisdeac tivated and theaut omatic
dr iving lights areactiv ated. #
Activateor deacti vate thefunc tion. Int
erior lighting Ad
jus tingthe inte rior light ing #
1 0042 Switches there ar interior light ing
on /of f #
2 003D Switches thefront right readin g
lam pon /of f #
3 0033 Switches aut omatic interior lighting
con trol on/ off #
4 004A Switchesthefront interior lighting
on/ off #
5 003D Switchesthefront leftre adin glam p
on /of f Ligh
tand visibilit y12
1

#
Toremo vethewiper blade:press release
kn ob 2, pull thewiper bladeinthedir ect ion
of arrow 3and remo ve.
Ins tallin gth ewiper blades #
Push thene wwiper bladeontoth ewiper arm
in thedir ect ion ofarrow 1untilre lease
kn ob 2 eng ages. #
Press thewiper bladebeyond thepoint of
re sis tance inthedir ect ion ofarrow 3on
th ewiper arm.
The wiper bladewillengagewit hano ticeable
clic kand movefreely again. #
Foldthewiper arm bac kont oth ewindshield. #
Switc hon theignition . #
Press the00D4 buttononthecombin ation
switc h(/ page12 3).
Th ewip erarms willmo veintoth eor iginal
position . Mir
rors Oper
ating theout side mirrors &
WARNIN GRisk ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. 12
6
Light andvisib ility

The
electr olyteis hazar dous tohealt hand
causes irrita tio n.Itmu stnotcome intocon‐
ta ct with your skin, eye s,respir ator yor ga ns
or clo thing orbe swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Imm ediat elyrinse theelectr olyte
fr om your skin wit hwa terand seek
medica latt ention.
R Ifelectr olyt ecomes intocont act
wit hyo ur eyes, immediat elyrinse
th em thor oughly withclean water
and seek medicalattent ion.
R Ifth eelectr olyt eis sw allo wed,
immediat elyrinse your mout hout
th or oughl y.Do notind uce vomiting.
Seek medica latt ention immedi ately .
R Immedia tely ch ang eout ofclo thing
whic hhas been contaminat edwith
electr olyt e.
R Ifan allergic react ion occurs, seek
medi calattent ion imm ediat ely. The
inside rear vie wmir rorand theoutside mir‐
ro ron thedr iver's side willautomaticall ygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror.
Sy stem limit s
The system will notgo intoanti- glar emode if:
R The engineisswit ched off.
R Reversege ar iseng aged.
R The interior light ingisswit ched on. Fr
ont- passeng erout side mirrorpar kingpos i‐
tio nfun ction The
parking posit ionmak espar kingeasier .
The front -pass engerouts idemirrorwil lswi vel
do wn wardsin thedir ect ion ofthere ar wheel on
th efront passeng er'sside when:
R The parking position isstor ed (/ page12 9).
R Thefron t-pa ssenger mirror isselect ed.
R Reversege ar iseng aged. The
fron t-passe nger out side mirrorwil lmo ve
bac kto its original positionwhen:
R Youshif tth etra nsmiss iontoano ther trans‐
mission position.
R Youar etra veling ataspeed grea terth an
9 mp h(1 5 km/h).
R Youpr ess thebutt onforth eoutside mirror
on thedr iver's side. 12
8
Light andvisib ility

Ov
ervie wof climat econtr olsystems No
teson climat econtr ol An
interior airfilt er incom binat ionwithth epr e‐
fi lt er intheengine compartmen tmus talw aysbe
used sothat theair con ditionin gsy stem, pollu‐
tion leve lmon itor ing and theair filtration work
cor rectl y.Mak esur eth at thefilt er isins talled
cor rectl yand thefilt er housin gin theengine
com partmen tis closed correctl yus ing thecap
and alwaystightl ysealed wheninoper ation. Use
fi lt er sre comme ndedandapprove dby
Mer cedes-Ben z.Alw aysha ve ser vice workcar‐
ri ed out ataqu alif ied spec ialistwo rkshop. Ov
ervie wof theair condit ioning control
pa nel The
indic ator lam pson thebutt ons indicat eth at
th ecor responding functionisactiv ated. Contr
olpanel fordua l-zone automatic climatecon‐
tr ol with/wi thout statio naryheat er(exa mp le)
1 0082 Setsthete mp eratur e,lef t
2 008F Setstheair distribution
3 H Setstheair flow orswitc hesoffclimat e
cont rol
4 0058 Setsclimat econtr olto aut omat ic
(/ page13 1)
5 0064 Defrosts thewindshield 6
Vehicles withcont rolpanel fordua l-zone
au tomatic climatecontr ol(withou tst atio n‐
ar yheat er):008A callsuptheair con dition‐
ing menu
Ve hicles withcont rolpanel fordua l-zone
au tomatic climatecontr ol(with statio nary
heat er)or3-zo ne aut omat icclim atecon trol
(wit h/w ithout statio naryheat er):! calls
up theair con ditionin gmenu, switchesresid‐
ual heat on/of f(/ page13 3)
7 006C Switches there ar wind owheat er
on/of f
8 Vehicles withcont rolpanel fordua l-zone
au tomatic climatecontr olwithout statio nary
heat er:0 switches sync hroniz ation
on/ off(/ page13 2)
Ve hicles withcont rolpanel for3-zone auto‐
matic climatecontr olwithout statio nary
heat er:005A switches theA/C function
on/ off(/ page13 1)
Ve hicles withast atio naryheat er:003B
swit ches thest atio naryheat eron/of f
9 0072 Switches air-recir culation modeon/off
(/ page13 3) 13
0
Climat eco ntro l

#
Ifth ewindo wscontinu eto fogup: press the
0064 button.
Wi ndo wsfogg ed up ontheout side #
Swit chon thewindshield wipers. #
Press the 0058 button. Switc
hingair-recir culation modeon/off #
Press the0072 button.
The interior airwill berecir cul ated.
Air -reci rculati onmod eaut omat icallyswit ches to
fr esh airmode afte rsome time.
% Ifair -recir cula tion mode isswitc hedon,the
windo wsmayfo gup mor equ ickl y. Swi tchon
ai r-re cir cul ation mod eonly briefly. Switc
hingthere sidual heatonoroff Re
quirement s:
R The vehicle ispar ked.
It is possible tomak euse ofthere sidua lheat
fr om theengine tocontinu ehea ting orventil at‐ ing
thefront com partmen tof theve hicle for
appr oximat ely30 min utes. #
Toswitc hon: press the! button.
Re sidua lheat isswitc hedoffaut omaticall y. Ac
tiv atin g/deac tivatin gio ni zatio n Ioni
zationimpr oves thequ alit yof theve hicle's
int erior air.Ionization oftheint erior airisodor‐
less. #
Call uptheair con ditionin gmenu
(/ page13 1). #
Select AirQua lity. #
Select IONI ZATION. Fr
ag rance system Se
tting thefrag rance system
Re quirement s:
R Automatic climatecontr olisacti vated.
R The glove boxis closed. The
fragr ance system distribut esapleasant fra‐
gr ance thro ughout theve hicle interior from afla‐
con located intheglov ebo x. #
Call uptheclimat econ trol menu
(/ page13 1). #
Select AirQua lity. #
Select AIR FRESHENER . #
Keep pressing untilthedesir edintensit yis
re ac hed.
Inser tingor remo ving the flacon ofthefra‐
gr ance system &
WARNIN GRisk ofinju ryfrom liquid per‐
fume
If ch ildr enopen theflacon ,th ey cou lddrink
th eliq uid perfume oritcould come intocon ‐
ta ct with their eyes. #
Donotlea vechildr enunat tende din the
ve hicle. #
Consult adoct orimmediat elyifliq uid
per fume hasbeen drunk . Climat
econt rol 13
3

#
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R Youopen thedr iver's door .
R Youpr ess button1 twice mor e. #
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Youdo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R Youpr ess button1 once . St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
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 offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials mayignit e. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey isin theve hicle andisrecog‐
nized . #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. 13
8
Driving and parking

#
Ifth eve hicle still does notst ar tand the
Place theKey inthe Marked SpaceSee
Operator's Manualdisplaymessag ealso
appear sin themultifunc tiondispla y:star t
th eve hicle withth eSmar tKey inthemar ked
space (emergency operati on mod e)
(/ page 139).
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page14 2).
St arting theve hicl ewith theSm artK ey inthe
ma rked spa ce(emer gency oper ation mode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
messag eappear sin themultifunc tiondispla y,
yo ucan star tth eve hicle inemer gency operati on
mod e. #
Makesur eth at mar kedspace 2isem pty. #
Remo veSmar tKey 1 from theke yring. #
Place Sma rtKe y1 inmar kedspace 2.
The vehicle willstar taf te ra shor ttime.
If yo ure mo veSmar tKey 1 from mar ked
space 2theengine continues running .Fo r
fur ther vehicle star ts howe ver,Smar tKey 1
mus tbe locat edinmar kedspace 2during
th eent ire jour ney. #
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop. If
th eve hicl edoes notst ar t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hi‐
cle using thest ar t/ stop butt on.
% Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on. St
arting theve hicl evia Remo teOnline serv‐
ices Cooling
orheating theve hicl eint erior before
co mmenci ngyour jour ney
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full.
R The star terbatt eryis suf ficie ntly charge d. Dr
iving andparking13
9

Cha
rging thest ar terbatt erybe fore star ting
th ejou rney
If th eve hicle batteryis disc harged, youcan
re cei veames sageon your smar tphon e.Youcan
th en star tth eve hicle withth esmar tphon eto
ch arge thebatt ery. The vehicle isaut omatically
switc hedoffaf te rte nminu tes.
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full.
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 ortrapped 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 ryengine star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. Yo umus tst ar tth eve hicle
once withth eSmar tKey bef oretrying tostar t
th eengine again withth esmar tphon e.youcan
st op 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 To
preser vetheengine during thefirs t
10 00 mile s(1 500 km):
R Drive at varying road spee dsand engine
spee ds.
R Donotdr ive at spee dsgrea terth an 85 mph
(1 40 km/ h).
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. 14
0
Driving and parking