sensor MERCEDES-BENZ E-CLASS CABRIOLET 2020 Owner's Manual

*
NO
TEImpairment oftheoper ating effi‐
cie ncy ofthere stra int systems from
ins talling accessor ypar tsor from repair s
or we lding Air
bags andEmerge ncy Tensi oni ng Device s,
as wellas con trol unit sand sensorsfo rth e
re stra int systems, maybe installed inthefo l‐
lo wing areas ofyour vehicle:
R Door s
R Door pillars
R Doo rsi lls
R Sea ts
R Cockpit
R Instrument cluster
R Cen terconsole
R Lateral roof frame #
Donotins tallacc essor ypar tssuc has
audio systems inthese areas. #
Donotcar ryout repair sor we lding. #
Have afte rm arke tins tallation ofacc es‐
sor ies carried out ataqu alif ied spec ial‐
is two rkshop. Yo
uco uld jeopar dizeth eoper ating safetyof your
ve hicle ifyo uuse parts,tir es and wheel sas well
as acc essor iesreleva nt tosaf etywhic hha ve not
be en approve dby Mer cedes-Ben z.Saf ety-re le‐
va nt systems, e.g.thebr ak esy stem, maymal‐
func tion.Onl yuse Mercedes- BenzGenuine Parts
or par tsof equal qualit y.Onl yuse tires, wheels
and accessor iesthat have been specif ically
appr ovedfo ryo ur vehicle model.
Mer cedes-Ben zGenuine Parts ar esubject to
st rict qualit ycon trol. Eac hpar thas been spe‐
ciall yde veloped, manufactured orselec tedfo r
Mer cedes-Ben zve hicles andfine-tu nedforth em.
Ther efor e, onl yMer cedes- BenzGenuine Parts
should beused.
Mor eth an 300,0 00 differe nt Mer cedes-Be nz
Ge nui ne Parts ar eav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuine Parts fo r nece
ssaryser vice andrepair work.In addition,
st ra tegically locatedpar tsdeliv erycent erspr o‐
vide forqu ick and reliable partsser vice .
Alw aysspecify theve hicle identif ication number
(VIN) (/page426) when order ing Mer cedes-
Benz Genuine Parts. Oper
ator's Manual
This Oper ator's Manual describesallmodels and
all standar dand optio nal equipme ntavailable for
yo ur vehicle atthetime ofthis Opera tor's Man‐
ua lgoing topress. Countr y-specif icdif fere nces
ar epo ssi ble. No tethat your vehicle mayno tbe
eq uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreement foryo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter. 22
Gener alno tes

Re
stra int system functiona lity When
theignition isswitc hedon,aself-t estis
per form ed, during whic hth e0075 restra int sys‐
te m wa rning lam plight sup. Itgoes outnolater
th an afe w sec ond saf te rth eve hicle isstar ted.
The com ponen tsof there stra int system areth en
func tional. Malfu
nctioning restra int system A
malfun ction has occurredin there stra int sys‐
te m if:
R The 0075 restra int system warning lam p
does notlight upwhen theignition is
switc hedon
R The 0075 restra int system warning lam p
light sup con tinuousl yor repeat edly during a
jour ney &
WARNIN GRisk ofinju rydue tomalfu nc‐
tions inthere stra int system
If th ere stra int system ismalfunct ioning,
re stra int system com ponen tsma ybe trig‐ ge
redunint entionall yor ma yno tdeplo yas
int ended during anacciden t.This mayaf fect
th eEmer gency Tensi oni ng Device sor air‐
ba gs, forex am ple. #
Have there stra int system checkedand
re pair edimmediat elyat aqu alif ied spe‐
cialis two rkshop. Fu
nction ofthere stra int system inan acci‐
dent Ho
wthere stra int system worksis de term ined by
th ese verity of theim pact detected and thetype
of acciden tantic ipated:
R Front alim pact
R Rear impact
R Sideim pact
R Rollover
The activ ation thre sholds forth ecom ponen tsof
th ere stra int system arede term ined based on
th eev aluatio nof thesensor values measur edat
va rious points intheve hicle. Thisprocess ispre-
em ptive in nat ure. The trigg ering/ deplo yment ofth
ecom ponen tsof there stra int system mus t
ta ke place ingood timeatthest ar tof thecolli‐
sion.
Fa ctor swhi chcan only besee nand measured
af te ra colli sion hasoccur reddo notpla ya deci‐
siv ero le in thedeplo yment ofan airbag. Nordo
th ey prov ide anindic ation ofairbag deployment .
The vehicle maybe def ormed signif icantl ywit h‐
out anairbag beingdeployed. This isthecase if
onl ypar tswhic har ere lativ elyeasil ydef ormed
ar eaf fect ed and thera te ofvehicle deceler ation
is no thigh. Conversely ,an airbag maybe
deplo yedev en though theve hicle suffers onl y
minor deformation. Ifve ry rigid vehicle parts
suc has longitudinal membersar ehit, forex am‐
ple, this ma yre sult insuf ficie ntly highleve ls of
ve hicle deceler ation. 34
Occupant safety

Yo
ur feet ma yot her wise beinthedeplo y‐
ment area oftheairbag.
R Ifch ildr enaretrave ling intheve hicle,
obser vetheadditional notes(/ page51 ).
R Alw aysst ow and secureobj ect scor rectl y.
Objects intheve hicle interior maypr ev ent an
airbag from func tioningcorrectl y.Eac hve hicle
occupant mustalw aysmak esur eof thefo llo w‐
ing inpar ticular :
R Ther ear eno people, animals orobje cts
be tween theve hicle occupants andanair‐
bag.
R Ther ear eno object sbe tween theseat, door
and door pillar (B-pillar).
R Ther ear eno har dobjec ts,e.g. coat hangers,
hanging onthegr ab handles orcoat hooks.
R Ther ear eno accessor ypar ts,suc has mobile
na vig ation devices, mobile phones orcup
holder s,att ached totheve hicle within the
deplo yment area ofan airbag, e.g.onthe
coc kpit, onthedoor ,on theside windo wor
on theside walltrim. In
addition ,no con nectingcables, tensi oni ng
st ra ps orretainin gst ra ps mus tbe routed or
att ached totheve hicle within thedeplo y‐
ment area ofan airbag. Alwayscom plywith
th eaccessor ymanuf acturer'sinstallation
ins truct ions and, inpar ticular ,th eno teson
suit able places forins tallation .
R Ther ear eno hea vy,shar p-edg edorfra gile
obje ctsin thepoc kets of your clo thing. Store
suc hobject sin asuit able place. Limit
edprotection from airbags &
WARNIN GRisk ofinju rydue tomodif i‐
cations totheairbag cover
If yo umod ifytheco verof an airb agoraffix
object ssuc has sticke rs to it,theairbag may
no long erfunc tion correctly . #
Nevermodify theco verof an airb agand
do notaf fix obje ctstoit. The
installation locationofan airbag isident ified
by theAIRB AGsymbol (/page41 ). &
WARNIN GRisk ofinju ryor deat hdue to
th euse ofunsuit ableseat covers
Uns uitable seat covers can obstruct orpre‐
ve nt thedeplo yment ofair bags integr ated
int oth eseats.
Conseq uently,theair bags cannotprotect
ve hicle occupants asthey aredesig nedto
do. Inaddition, operation oftheaut omatic
fr ont passeng erair bag shut offma ybe
re strict ed. #
Yousho uld onlyuse seat covers that
ha ve been approved forth ecor respond‐
ing seats byMer cedes-Ben z. &
WARNIN GRisk ofinju rydue tomalfu nc‐
tions ofthesensor sin thedoor paneling
Sens orsto contr oltheairbags arelocat edin
th edoor s.Modif ication sor wo rknotpe r‐
fo rm ed cor rectl yto thedoor sor door panel‐
ing, aswellas damag eddoor s,can lead to
th efunc tion ofthesensor sbeing impair ed.
The airbags mightther efor eno tfunc tion
pr oper lyan ymor e. Oc
cupan tsaf ety 43

Yo
uha ve thefo llo wing options forcl os ing
the trunk lid: #
Pullth etrunk liddown using thehandle
re cess andpush itclos ed. HAND
S-FREE ACCESS function Wi
th HANDS-FREE ACCES Syo ucan open the
tr unk lid by per form ing akic kin gmo vement
under thebum per.
Obser vetheno teswhen opening thetrunk lid
(/ page74 ). &
WARNIN GRisk ofburnscaused byaho t
ex haus tsy stem
The vehicle exhaus tsy stem can become very
ho t.Ifyo uuse HAND S-FRE EAC CES S,you
cou ldbu rn yourself bytouc hin gth eex haus t
sy stem. #
Alw aysensur eth at youon lyma kea
kic king movement within thede tection
ra ng eof thesensor s. *
NO
TEDama getotheve hicle caused by
unin tentio nallyopening thetrunk lid R
When usinganaut omatic carwash
R When usingahigh pressur ecleaner #
Deactiv ateKEYLES S-GOormak esur e
th at theSmar tKey locat edisat leas t 10
ft(3 m) away from theve hicle in
suc hsituations. When
making thekic king movement, makesur e
th at your feet arefirm lyon thegr ound, other‐
wise youco uld lose your balan ce,e.g.on ice.
Obs erve thefo llo wing notes:
R The Smar tKey isbehin dth eve hicle.
R Stand atleas t12 in(30 cm) away from the
ve hicle while perform ing thekic king move‐
ment.
R Donotcome intocont actwithth ebum per
while making thekic king movement.
R Donotcar ryout thekic king movement too
slo wly.
R The kicking movement mustbe towa rdsth e
ve hicle andbackag ain. Opening
andclosing 75

1
Detection rang eof thesensor s
If se veralcon secut ive kic kin gmo vements are
no tsuccessfu l,wa itte nseco nds.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing cases :
R The area around thesensor isdir ty,e.g. due
to road salt orsnow .
R The kicking movement ismade using apr os‐
th etic leg. The
trunk lidcould beopen edunin tentio nally,in
th efo llo wing situat ions:
R Ifaper son 'sarms orlegs aremo vingin the
sensor detection rang e, e.g .wh en polishi ng
th eve hicle orpic king upobject s.
R Ifobject sar emo vedor placed behind the
ve hicle, e.g.tensi oni ng stra ps orlugg age.
R Ifclam ping stra ps, tarp sor other coverings
ar epu lled ove rth ebum per.
R Ifapr otect ive mat withalengt hre ac hin g
ov er thetrunk silldown intoth ede tection
ra ng eof thesensor sis used.
R Ifth epr otect ive mat isno tsecur edcor rectly .
R Whe nwo rking onthetra iler hitch,tra iler sor
re ar bicy clerack s.
Deactiv ateth eke yfun ction s(/ pag e66 )or do
no tcar rytheSmar tKey about your per son in
suc hsit uatio ns. Swit
ching separ atetrunk locking onoroff If
yo ucen trall yunlo cktheve hicle while separate
loc king isactiv ated, thetrunk willremain locked. #
Toswitc hon: slide theswitc hto position
0047. #
Toswitc hof f:slide theswitc hto position
0048.
% Ifan acciden thas been detected, thetrunk
will unloc keve nif sep aratelock ing is
switc hedon. 76
Opening andclosing

Cor
nering light Cor
nering light function The
corner ing light improve sth eillumination of
th ero adw ayove ra wid eang lein thetur ning
dir ect ion, enabling better visibility ontight
bends, forex am ple. Itcan beact ivat ed only
wh en thelow beam isswitc hedon.
The func tion isactiv ein thefo llo wing cases :
R atspeeds below25 mph(4 0km/h) whenth e
tur nsigna lind icatoris switc hedonorthe
st eer ing wheel istur ned R
atspeeds between 25mph(4 0km/h) and
45 mph(70 km/h) whenthesteer ing wheel
is tur ned
Tr af fic cir cle and intersect ionfuncti on:the
cor ner ing light willbe acti vatedon both sides
based onanevaluatio nof thecur rent GP Spo si‐
tio nof theve hicle. Itwill remain activeuntil afte r
th eve hicle hasleftth etra ffic cir cle ortheint er‐
sect ion. Ad
aptiv eHighb eamAssist Ad
aptiv eHighb eamAssistfuncti on &
WARNIN GRisk ofacci dent despite
Ad aptiveHig hbeam Assis t
Ad aptiveHig hbeam Assis tdoes notre cog‐
nize thefo llo wing road user s:
R Road user swit hout lights,e.g .pedes ‐
tr ians
R Road user swit hpoor lighting,e.g .
cy clis ts R
Road user swhos elight ingisobs truct ed,
e.g .by abar rier
On very rare occasions, AdaptiveHig hbeam
As sis tma yfa ilto recogni zeother road user s
wit hth eir ownlighti ng,orma yre cogni ze
th em toolat e.
In these orsimilar situation s,theaut omatic
high beam isno tdeactiv ated orisactiv ated
despit eth epr esenc eof other road user s. #
Alw aysobser vethetra ffic car efull yand
switc hof fth ehigh beam ingood time. Ad
aptiveHig hbeam Assis tcan notta ke into
acc ount road, weather ortraf fic condi tions.
De tection maybe restrict ed inthefo llo wing
cases :
R Inpoor visibilit y,e.g. fog, hea vyrain or sno w
R Ifth er eis dir ton thesensor sor thesensor s
ar eobscur ed
Ad aptiveHig hbeam Assis tis on lyan aid. Youar e
re sponsible foradju sting theve hicle's lighting to
th epr eva iling light,visibilit yand traffic condi ‐
tions . 12
0
Light andvisib ility

The
AdaptiveHig hbeam Assis taut omat ically
swit ches between thefo llo wing types oflight :
R Low-beam headlam ps
R High- beam headlam ps
At speeds above19 mp h(3 0km/h):
R Ifno other road user sar ede tected, thehigh
beam willbeswitc hedonaut omaticall y. The
high beam switchesoffaut omaticall yin the
fo llo wing cases :
R Atspeeds below16 mp h(2 5km/h).
R Ifot her road user sar ede tected.
R Ifstre et light ingissuf ficie nt.
At speeds aboveappr oximat ely31 mp h
(50 km/ h):
R The headlam pra ng eof thelow beam isregu‐
lat ed aut omatically basedonthedis tance to
ot her road user s.
The system's optical sensor islocat edbehind
th ewindshield neartheove rhead control panel.
Switc hingAdaptiv eHighb eamAssiston/ off #
Toswitc hon: turnth elight switc hto the
0058 position . #
Switc hon thehigh beam usingthecombin a‐
tion switc h.
When thehigh beam isswitc hedonaut omat‐
icall yin thedar k,the 00CE indicat orlam pon
th emultifunc tiondispla ycomes on. #
Toswitc hof f:switc hof fth ehigh beam
using thecombin ationswitch. Switc
hingtheda ytime running lampson/of f Multimedia
system:
4 Vehicle 5
÷ LightSetting s
5 Daytime Run.Lights #
Activate0073 ordeacti vate 0053 thefunc tion. Se
tting theex terior light ingswitc h-of fdela y
tim e Mult
imedia system:
4 Vehicle 5
÷ LightSetting s
5 Ext.Light SwitchOff #
Setth eswitc h-offdela ytime. Se
tting thesur round lighting Mul
timedi asy stem:
4 Vehicle 5
÷ LightSetting s
5 Locat orLightin g #
Activate0073 ordeacti vate 0053 thefunc tion.
If th esur round lightingisswit ched on, theex te‐
ri or lighting remains litfor40 seconds afte rth e Light
andvisib ility 12
1

Ad
jus tingthe outsi de mir rors #
Press butt ons 3or4 toselect theoutside
mir rorto be adjus ted. #
Press butt on2 toadjus tth eposition ofthe
mir rorgl ass.
Eng agin gth eout side mirrors #
Press and hold button1.
Yo uwill hear aclic kand themir rorwil lau di‐
bl yeng agein posi tion. Theoutsi demir roris
se tto thecor rect pos ition. Au
tomatic anti-glar emir rors functio n &
WARNIN GRisk ofburnsand poisoning
due totheanti- glar emir rorelectr olyte
Electr olytema yescap eif th eglass inan
aut omat icant i-glar emir rorbr eak s.
The electr olyteis har mful andcaus esirrita ‐
tio n.Itmu stnotcome intocont actwith your
sk in, eye s,respir ator yorg ans orclo thing or
be swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Rinse theelectr olytefrom your skin
and seek medicalattentio nimm edi‐
at ely.
R Ifelectr olytecomes intocont act
wit hyo ur eyes, rinse them thor‐
oughl ywit hclean waterand seek
medica latt ention immediately .
R Ifth eelectr olyteis sw allo wed,
immediat elyrinse your mout hout
th or oughly .Do notinduce vomiting.
Seek medica latt ention immedi ately .
R Immedia tely ch ang eout ofclo thing
whic hhas com eint ocon tact with
electr olyte.
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 automaticall ygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror. Sy
stem limita tions
The system does notgo intoanti- glar emode in
th efo llo wing situat ions:
R theengine isswitc hedoff
R reve rsege ar iseng aged
R theint erior lighting isswitc hedon Fr
ont- passeng erout side mirrorpar kingpos i‐
tio nfun ction The
parking posit ionmak espar kingeasier .
In thefo llo wing situat ions,th efront -passen ger
outside mirrorwil lswi veldo wn wardsin the
dir ect ion ofthere ar wheel onthefront passeng‐
er's side:
R thepar king position isstor ed (/ page12 9)
R thefront -passen germir roris sele cted
R reve rsege ar iseng aged 12
8
Light andvisib ility

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

#
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 ionabout radar senso rs Some
drivi ng and drivi ng safety systems use
ra dar sensor sto monit orthear ea infront of,
behind ornext to theve hicle (depending onthe
ve hicle's equipment). Depending
ontheve hicle's equipment, thera dar
sensor sar eint egr ated behind thebum pers
and/or behindtheMer cedes star.Ke ep these
par tsfree ofdir t,ice and slush (/page36 7).
The sensor smus tno tbe covered, forex am ple
by cycle rack s, overhanging loads,sticke rs,fo il
or foils toprotect agains tst one chipping .In the
eve ntofdama getothebum persor radiat orgrill,
or follo wing acollis ionimpact ingthebum persor
ra diat orgrill, have thefunc tion ofthera dar sen‐
sor sch eckedat aqu alif ied spec ialistwo rkshop.
The driving systems anddriving safetysy stems
ma yno long erfunc tion proper lyin suc hcases . Ov
ervie wof driving systems anddriving
saf etysy stems In
this sect ion, youwill find informa tionab ou t
th efo llo wing drivin gsy stems anddriving safety
sy stems:
R 360° Camer a(/ page203)
R ABS (Anti- lockBrak ingSyst em)
(/ page16 7)
R ActiveDis tance AssistDIS TRONI C
(/ page 179) R
AIR BOD YCO NTR OL(/ page19 2)
R ActiveBr ak eAssi st(/ pag e17 1)
R ActiveLa ne Keeping Assist(/ page21 8)
R ATTENTION ASSIST(/ page21 2)
R BAS(B rake Assis tSys tem) (/ page16 7)
R HillSt artAs sis t(/ page19 0)
R DYNA MIC BODY CONTR OL(/ page19 2)
R EBD (Ele ctroni cBrak efor ce Dis tribution)
(/ page17 1)
R ESP ®
(El ectr onicSta bility Program)
(/ page16 7)
R ESP ®
Cr oss wind Assi st(/ pag e17 1)
R ActiveSpe edLimi tAssi st(/ pag e18 2)
R HOLD functio n(/ page 191)
R STEER CONTR OL(/ page 171)
R ActiveSt eer ing Assis twit hre scue lanefunc‐
tion (/page18 5)
R ActiveEmerg encyStop Assis t(/ page18 8)
R ActivePa rking Assist(/ page206 )
R Parking AssistPA RK TRONI C(/ pag e19 5) 16
6
Driving and parking