warning light MERCEDES-BENZ E-CLASS CABRIOLET 2020 User Guide

The
indiv idua lsub func tions areav ailab lein
th efo llo wing speed rang es:
The distance warning func tion issues awa rning
in thefo llo wing situat ions:
R From appr oximat ely4 mp h(7 km/h), ifyo ur
ve hicle iscritically closetoave hicle or pedes
trian, youwill hear anintermit tent
wa rning tone and theL distance warning
lam plight sup intheins trument cluster. Br
ak eimme diat ely ortake evasiv eact ion,pr ov i‐
ded itis saf eto do soand thetraf fic situ ation
al lo ws this.
Th edis tance warning funct ioncan aidyouin thefo llo wing situations withan intermit tent wa rning tone and awa rning lam p: Ve
hicl estrave ling in
fr ont St
ation aryve hicl es Cross ing vehicl es Moving pedes trians Station arypedes ‐
tr ians
Ve hicles without Driv‐
ing Assis tance Pack‐
ag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.50 mph
(80 km/ h) No
react ion Uptoappr ox.37 mph
(60 km/ h) No
react ion
Ve hicles withDr iving
Assis tance Packag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.62 mph
(1 00 km/ h) Up
toappr ox.43 mph
(70 km/ h) Up
toappr ox.50 mph
(80 km/ h) Up
toappr ox.43 mph
(70 km/ h) Dr
iving andparking 17
3

Ac
tiv eDi stance AssistDI ST RO NIC Fu
nction ofActiv eDi stance Assist
DI ST RO NIC Ac
tiveDis tance AssistDIS TRONI Cma intains the
se tspeed onfree-f lowing roads. Ifve hicles in
fr ont arede tected, these tdis tance ismai n‐
ta ined, ifnec essar y,unt ilth eve hicle comes toa
halt. Thevehicle acceler ates orbrak es depend‐
ing onthedis tance totheve hicle infront and
th ese tspeed. Thespeed anddistance tothe
ve hicle infront arese tand save don thesteer ing
wheel onvehicles without theDr iving Assistance
Pa ckag e, inthera ng ebe twee n15 mp h
(20 km/ h)and 120mp h(200 km/h) and,on ve
hicles withth eDr iving Assistance Packag e, in
th era ng ebe twee n15 mp h(20 km/h) and
13 0mp h(210 km/h) .
Ot her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel-sa ving,comfort‐
able ordynamic) (/page14 9)
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:react sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les).
R Initiates acc eler ation tothestor ed speed if
th etur nsignal indicat orisswitc hedonto
ch ang eto theove rtakin glane .
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:take sone-sided overtakin gre strictions
int oacco untonhighwaysor on multi-lane
ro ads withseparat ero adw ays(countr y-
dependen t).
Ve hicl eswith Activ ePa rking Assis tand Driv‐
ing Assis tance Packag e:ifth eve hicle has
been brak ed toast ands tillon mult i-lane,sepa‐ ra
te roadw aysby ActiveDis tance Assist
DIS TRONI C,itcan automatical lyfollo wtheve hi‐
cle infront driving offag ain within 30seconds. If
a cr itical situation isde tected whe ndr ivi ng off,a
vis ualand acoustic warning isgiv en indic ating
th at thedr iver mus tno wtake contr olof theve hi‐
cle. The vehicle isno tacceler ated anyfur ther.
Ac tiveDis tance AssistDIS TRONI Cis only anaid.
The driver isresponsible forke eping asaf edis‐
ta nce totheve hicle infront, forve hicle speed
and forbr aking ingood time.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringreat lyvarying
ambien tlight .
R The windsh ieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar kingga rage sor on roads withsteep
uphill ordownhill gradients. Dr
iving andparking 17
9

&
WARNIN GRisk ofacci dent from chang ‐
ing lane toan occ upied adjacentlane
Lan eChan geAssi stcanno tal wa ys detect
cle arly ifth eadjacen tlane isfree.
The lane chang emigh tbe init iated although
th eadjacen tlane isno tfr ee. #
Beforech ang inglane s,mak esur eth at
th eneighbor inglane isfree and ther eis
no dang ertoother road user s. #
Mon itor thelane chang e. &
WARNIN GRisk ofacci dent ifLane
Ch ang eAssi stune xpectedl yst ops func‐
tionin g
If th esy stem limit ations forLane Change
Assis tha ve been reac hed, ther eis no guar‐
ant eethat thesy stem will remain active.
Lane ChangeAssis tcanno tth en assis tyo u
by appl ying steer ing torq ues . #
Alw aysmonit orthelane chang eand
ke ep your han dson thesteer ing wheel. Obser
vethetra ffic con dition sand steer
and/or brak eif neces sary. Sy
stem limit s
The system limit ations ofActiveSt eer ing Assis t
apply toActiveLa ne Chang eAssi st
( / pag e18 5).
The system mayalso beimpair edorma yno t
func tion inthefo llo wing situat ions:
R The sensorsin there ar bum peraredir ty,
damag edorcovered, forins tance bya
st icke ror ice and snow.
R The exterior lighting ismalfunct ioning.
Ac tiv atin g/deac tivatin gAc tiv eLan eCha nge
As sist
Multimedia system:
4 Vehicle 5
k Assist ance #
Select LaneChange Assist. #
Activate0073 ordeacti vate 0053 thefunc tion.
Fu nction ofActiv eEme rgency Stop Assis t
If th edr iver con tinuall yignor esthevisual or
acous ticwarning toput their hands onthesteer‐ ing
wheel, theBeginn ingEmer gencySt op mes‐
sag eappear sin themultifunc tiondispla y.Ifth e
dr iver still does notre spond, ActiveDis tance
Assi stDIS TRONI Creduces thespeed. Thevehi‐
cle isdeceler ated instag es toast ands till.
De pen dingon thecount ry,at speeds below
40 mph(60 km/h) thehazar dwa rning light s
switc hon aut omat ically.
When theve hicle isstatio nary,thefo llo wing
act ions arecar ried out :
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e
R ActiveDis tance AssistDIS TRONI Cis end ed
R The vehicle isunloc ked
R ifpossible ,an emer gency callis place dto
th eMer cedes- Benzemergency callcent er
The driver can cance lth edeceler ationatany
time byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oracceler ating
R Pressing ast eer ing-wheel button
R Oper ating Touc hCon trol 18
8
Driving and parking

at
ebr ak eapplic ation,e.g .af te rint entional ly
dr iving overa soli dlane marking.
The brak eapp lication canbeinterru pte dat
an ytime ifyo usteer slightl yin theopposit e
dir ect ion. #
Alw aysmak esur eth at ther eis suf fi‐
cie ntdist anc eto theside forot her traf‐
fi c or obs tacle s. &
WARNIN GRisk ofacci dent despite Lane
Ke eping Assist
Lane Keeping Assistcann otalw aysclear ly
de tect lane mar kings .
In such case s,Lane Keeping Assistcan:
R givean unnec essarywa rning
R notgiv eawa rning #
Alw ayspa ypar ticular attention tothe
tr af fic situ ation and keep within the
lane, espec iallyif Ac tiveLa ne Keeping
Assis taler tsyou. Be
sureto obser vethesy stem limit ations of
Ac tiveLa ne Keeping Assist. #
Press butt on2.
If indicat orlam p1 lights up,ActiveLa ne
Ke eping Assistis activ ated, thelane mark‐
ings aresho wnaslight intheassis tance
gr ap hic. Whe nAc tiveLa ne Keeping Assistis
activ e,thelane marking sar esho wningreen
in theassis tance grap hic. %
Dep endingonthecount ry,yo uma yha ve to
pr ess and hold thebutt ontodeactiv ate.
Se tting thesensit ivityof Activ eLan eKe ep‐
ing Assis t
Multi media system:
4 Vehicle 5
k Assist ance
5 Act .Lane Keep. Assist #
Select ase tting.
Ac tiv atin g/deac tivatin gthe warning #
Activate0073 ordeacti vate 0053 Lane Depart.
Warning.
Yo udo notre cei veanywa rning when leaving
a lane ifth elane keeping warning system is
deactiv ated. Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy
to wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe Dr
ivin gand parking 22
1

Ad
jus tingthe inst ru men tlighti ng #
Turn brightn esscontrol 1 upordown.
The lightin gof theIns trument Displayand in
th econ trol element sof theve hicle interior is
adjus ted. Menus
andsubmenu s Fu
nctions ontheser vice menu oftheon-
boar dcom puter On-boar
dcom puter:
4 Service #
Toselect thefun ction: swipeupwards or
do wn wardson thelef t-hand Touc hCon trol. #
Press thelef t-hand Touc hCon trol.
Fu nctio nson theServ icemen u:
R Messag ememor y(/ page436)
R Tires:
- Restar tth etir epr essur eloss warning
sy stem (/ page400)
- Chec kth etir epr essur ewit hth etir epr es‐
sur emonit or(/ page398)
- Restar tth etir epr essur emonit or
(/ page399)
R ASSYST PLUS: calluptheser vice duedate
(/ page35 1)
R Vehicl eswith aWi des cree nCo ckpit :Co ol-
ant: coolanttemp eratur edispla y R
Engine OilLevel: engine oilleve l Callin
gup displa yson theAssis tance menu On
-bo ardcom puter:
4 DriveA ssist
% Ve
hicl eswith theIns trum ent Displa yin
th eWi des cree nCo ckpit: whenyo uha ve
th edesign setto Progressive ,yo ucan view
th eassis tant displ ayinthelef t-hand area of
th eIns trument Display.
The follo wing displa ysareav ailable ontheAssis‐
ta nce menu :
R Assi stanc e
R Attentio nleve l(/ page21 2) #
Toswitc hbe tw een thedisp lays :sw ipe
up wa rdsor down wardson thelef t-hand
To uc hCon trol. 228
Instru ment Displa yand on-boar dcom puter

3
Traf fic Sign Assist
4 Navig ation displays Head-up
Display Fu
nction oftheHead -upDispla y Mer
cedes- AMGvehicl es:besur eto obser ve
th eno tesin theSupplement .Ot her wise, you
ma yfa ilto recogni zedangers.
The Head-upDisp lay pr ojects thefo llo wing con‐
te nt intoth edr iver's field ofvision:
R Information from thena vig ation system
R Information from thedr iver assis tancesys‐
te ms
R Some warning mess ages Displa
yelement s 1
Navig ation instructions
2 Current speed
3 Detected instructi ons and traf fic sig ns
4 Setspe edinthedr iver assis tance system
(e.g. cruise control)
When youre cei veacall, the0061 Incoming Call
messag ewill appear ontheHead-up Display.
In aud iomode, thest atio nnam eor trac kwill be
sho wntemp orarily when theaudio sourceis
being activelyoper ated. Sy
stem limita tions
The visib ilityisinf luenc edbythefo llo wing condi‐
tion s:
R Seat position
R The posit ioningof thedispla yimag e
R Light conditions
R Wetro ads
R Objectson thedispla yco ver
R Polar izat ion insung lasses
% Inextreme sunli ght, sectio nsofthedispla y
ma yappear washed out.Youcan correct this
by switc hingtheHead-up Displayof fand on
ag ain. Ins
trument Displayand on-boar dcom puter 235

&
WARNIN GRisk ofexplosion from afro‐
zen battery
A disc hargedbatt eryma yfreeze attemp era‐
tur es slightl yabo veorbelo wfreezing point.
Dur ing star tin gassis tance orbatter ych arg‐
ing ,bat tery gasma ybe released. #
Alw aysth aw afroz en bat tery out firs t
bef orech argin git or per form ing star t‐
ing assis tance. If
th eindicat or/warning lampsintheins trument
clus terdo notlig ht up atlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas fro‐
zen .In this case youma yne ither jump-start the
ve hicle norcharge thebatt ery.
The service life of abatt eryth at has been
th awe dma ybe dramaticall yshor tened .The
st ar tin gch aract eristic sma ybe impair ed,espe ‐
ciall yat low temp eratur es.
It is recomme ndedthat youha ve ath aw ed bat‐
te ry checkedat aqu alif ied spec ialistwo rkshop. All
vehicl es
* NO
TEDama gecau sed bynum erou sor
ex tende datt em ptsto star tth eengine Nu
me rous orextende datt em ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-co mbusted fuel. #
Avoid numer ousand extende datt em pts
to star tth eengine. Obser
vethefo llo wing pointsdur ing star tin g
assis tance and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harg‐
ing cables withasuf ficie ntcross -secti onand
insu late dte rm inal clam ps.
R Non-insulat edpar tsof thete rm inal clam ps
mus tno tcom eint ocon tactwi th other metal
par tswhile thejum per cable/c harging cable
is con nect edtothebatt ery/jum p-start con‐
nectio npoi nt.
R The jumper cable/c harging cable mustno t
com eint ocon tactwi th anypar tswhic hma y
mo vewhen theengine isrunning . R
Alw aysmak esur eth at nei ther youno rth e
batt eryis elect rostatic allych arge d.
R Keep away from fire and open flames .
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing pointswhen
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
appr oved forMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc‐
tions beforech argin gth ebatt ery.
Obser vetheadditional follo wing pointsdur ing
st ar tin gassis tance:
R Startin gassis tance mayonly beprov ided
using batteries withanom inalvoltag eof
12 V.
R Theve hicles mustno tto uc h.
R Gasoline engine :On lyacc eptst ar tin gassis ‐
ta nce ifth eengine andexhaus tsy stem are
cold. Br
eakdo wnassis tance 38
1

Fu
rther relat ed subje cts:
R Noteson tirepr essur e(/ page39 4)
R Tire pressur eta ble (/ page395)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page40 1) Ti
re pres sur emoni toring system Fu
nction ofthetir epr essur emoni toring sys‐
te m &
DANG ER Risk ofacc iden tdue toinc or‐
re ct tirepr ess ure
Ev erytir e, incl uding thespar e(if prov ided),
should becheckedwhen coldatleas tonc ea
mont hand inflated tothepr essur ere com‐
mend edbytheve hicle manuf acturer(see
Ti re and Loadi ngInfo rm atio nplacar don the
B-pil laron thedr iver ’s side orthetir epr es‐
sur elabel ontheinside ofthefuel filler flap
of your vehicle). Ifyo ur vehicle hastires ofa
dif fere nt size than thesize indicat edon the
Ti re and Loadi ngInfo rm atio nplacar dor the tir
epr es su re table, youne ed todeterm ine
th epr oper tirepr essur efo rth ose tires.
As anadded safetyfe atur e,your vehicle has
been equipped withatir epr essur emonit or‐
ing system (TPMS) that illumin ates alow tire
pr essur eind icat orlam pwhen oneor mor eof
yo ur tires aresign ifican tly und erinf lated.
Ac cor ding ly,if th elow tirepr essur eindicat or
lam plights up,yousho uld stop and check
yo ur tires assoo nas poss ible, andinflate
th em tothepr oper pressur e.Driving ona
signif icantlyunder inflated tirecauses thetir e
to ove rheat and canlead totirefa ilur e.
Und erinf lation alsoincreases fuelconsum p‐
tion andreduces tiretread life, and may
af fect theve hicle's handling andbraking abil‐
ity .Please note that theTPMS isno ta subs ti‐
tut efo rpr oper tiremaint enance, anditis the
dr iver's responsibili tyto maint aincorrect tire
pr ess ure, even ifunder inflation hasnot
re ac hed theleve lto trig ge rill umina tionof
th eTPMS low tirepr essur eindicat orlam p.
Yo ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atewhen th
esy stem isno toper ating proper ly.The
TPMS malfunct ionindicat oriscombin edwith
th elow tirepr essur eindicat orlam p.When
th esy stem detects amal functi on,theindica‐
to rlamp willfl ash forapp roxima tely amin ute
and then remain continuously illumina ted.
This sequence willcontinue upon subseq uent
ve hicle star t-ups aslon gas themalfunct ion
ex ists.
When themalfunct ionindicat orisillumina‐
te d, thesy stem mayno tbe able todetect or
sig nal low tirepr ess ureas intende d.TPM S
mal functi onsmayoccu rfo ra va riet yof rea‐
son s,inc ludin gth eins tallation ofinc om pati‐
ble replacemen tor alternat etir es orwheels
on theve hicle that prev ent theTPMS from
func tioningproper ly.
Alw aysch eckth eTPMS malfunct ionwarning
lam paf te rre placing oneormor etir es or
wheels onyour vehicle toensur eth at the
re placemen tor alternat etir es and wheels
allo wtheTPMS tocontinu eto function prop‐
er ly. Wheels
andtires 39
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
0075 SRS Malfunction Service
Requ ired *T
herestra int system isfaulty (/page34 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionally orma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. Re
cogni tionofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0075
Front LeftMalfuncti on
Servi ceRequire d(Ex am ple) *T
hecor responding restra int system isfaulty (/page34 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionally orma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 44
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Re cogni tionofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0075
Left Side Curta inAirbag
Malfu nction Service
Req uired(Ex am ple) *T
hecor responding headbagis malfunctioning (/page34). &
WARNIN GRisk ofinju ryor deat hdue tomalfu nctions inthehead airbag
If th ehead airbag ismalfunct ioning,itmight betrigg ered unint entionally ormight notbe trigg ered atall inthe
eve ntofan acci dent with ahigh rate ofvehicle deceler ation. #
Have thehead airbag checkedand repair edimmediat elyat aqu alif ied spec ialistwo rkshop. #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
Front Passeng erAirb agDis-
ab led See Operator 'sMan-
ua l *T
hefront passeng erairbag andthekn ee airbag hasbeen disabled, although anadult oraper son withan adult
st atur eis on thefront passeng erseat. Ifadditional forc es areapplied totheseat, thewe ight thesy stem detects
ma ybe toolow. &
WARNIN GRisk ofinju ryor fata linj urydue toadisable dfron tpasse nger airbag
If th efront passeng erairbag isdisabled, thefront passeng erairbag willnotbe deplo yedin theev ent ofan acci‐
dent andcann otper form itsintended protect ive func tion. 44
8
Dis play messa gesand warning/ indic ator lam ps