warning MERCEDES-BENZ S-CLASS 2020 Owner's Guide

ve
hicles withthe Driving Assistance Packag e, in
th er ang ebetwe en 15 mp h(20 km/h) and
13 0m ph(210 km/h) .
Ot her featur esofActiveD ista nce Assist
DIS TRONI C:
R Adjus tsthed riving styled epending onthe
select eddrivep rogram (fuel efficie nt, com‐
fo rtable ordynam ic)(/ page183)
R Vehicl eswith Drivin gAssistanc ePack‐
ag e:react stos tatio nar yvehicles detected in
urb anspe edrang es (exc ep tb icy cles and
mo torcyc les)
R Initiates acc eler ation tothes tore ds peed if
th et urns ignal indicat orisswitc hedonto
ch ang etot he ove rtakin glane
R Vehicl eswith Drivin gAssistanc ePack‐
ag e:take so ne-sided overtakin grestricti ons
int oa cco unt onhighwayso ronm ulti-lane
ro ads withs eparat eroadw ays( countr y-
dependen t)
Ve hicl eswith Activ eP arking Assista nd Driv‐
ing Assis tance Packag e:ifth ev ehicle has
been brak ed toas tands tillo nm ulti-lan e,sepa‐ ra
te roadw aysb yA ctiv eDista nce Assist
DIS TRONI C,itcan automatical lyfollo wt he vehi‐
cle infront driving offa gain wit hin 30seconds. If
ac ritical situation isde tected whe ndrivi ng off,a
vis ualand aco ustic warning isgiv en indic ating
th at thed rive rm ustn ow take contr olof thev ehi‐
cle. The vehicle isno ta cceler ated anyf urther.
Ac tiveD ista nce AssistDIS TRONI Ciso nly anaid.
The driver isresponsible fork eeping asafed is‐
ta nce tothev ehicle infront, forv ehicle speed
and forb raking ingood time.
Sy stem limit s
The system maybeimp aired orma ynotfunc tion
in thef ollo wing situations:
R Insno w,rain, fog, hea vyspr ay,ift her eis
gl ar e, indir ect sunlight oringreat lyvarying
ambien tlight .
R The windsh ieldinthea reao fthe camer ais
dir ty,f ogg edup, damag edorcovered.
R Ifth er adar senso rsared irty or covered.
R Inpar kingg arag es oron roads withsteep
uphill ordownhill gradients. R
Ifth er ea renar rowv ehicles infront, suchas
bicy cles ormo torcyc les.
In addition ,ons lipper yroads, braking oraccel‐
er ating cancause oneorseveralw heels tolose
tr act ion and thev ehicle couldthen skid.
Do notu se ActiveD ista nce AssistDIS TRONI Cin
th ese situation s. &
WARNIN GRisk ofacci dent from acce ler‐
ati on orbraki ng byActiveD ista nce
Assi stDIS TRONI C
Ac tiveD ista nce AssistDIS TRONI Cm ayacc el‐
er ateo rbrake inthef ollo wing cases, for
ex am ple:
R Ifth ev ehicle pullsaway usin gActiv eDis‐
ta nce AssistDIS TRONI C.
R Ifth es tore ds peed iscalled upand is
considera blyfaster or slo werthan the
cur rently driven spe ed.
R IfAc tiveD ista nce AssistDIS TRONI Cno
lo ng er detects avehicle infront ordoes
no treact toreleva nt objects. Dr
iving and parking 21
3

#
Alw aysc arefully observethet raffic co n‐
diti onsa nd beready tobrak ea tall
times. #
Take intoa ccount thet raffic situat ion
bef orec allin gupthe stor ed speed. &
WARNIN GRisk ofacci dent duet oinsuf ‐
fi cie ntdece lera tio nb yActiv eDista nce
Assi stDIS TRONI C
Ac tiveD ista nce AssistDIS TRONI Cbrake s
yo ur vehicle withu pto5 0% ofthem aximum
possible deceleration.Ifth is decele ratio nis
no ts ufficien t,Ac tiveD ista nce Assist
DIS TRONI Calertsy ou withav isual and
aco ustic warning. #
Inthese cases, adjustyour speed and
ke ep asufficie ntdist anc e. #
Brak ethe vehicle yourself and/or take
ev asiv eaction . &
WARNIN GRisk ofacci dent ifde tection
functi onofActiveD istan ceAssi st
DIS TRONI Cisimpai red
Ac tiveD ista nce AssistDIS TRONI Cdoesn ot
re act orhas alimit edreact ion:
R when drivin gonad iffe re nt lane orwh en
ch ang inglane s
R topedes trians, animals, bicycles orsta‐
tio nar yvehicles, orune xpect edobs tacle s
R tocom plex traf ficc ondi tions
R tooncom ingvehicles andcrossing traf fic
As aresult, ActiveD ista nce Assist
DIS TRONI Cm aynei ther giv ew arning snor
int erve ne insuch situations. #
Alw ayso bser vethet raffic con dition s
car efull yand react accordin gly. Oper
ating Activ eD ista nce AssistD ISTR ONIC
Re quirement s:
R The vehicle hasbeen star ted.
R The elect ricp arkin gb rake isreleased.
R ESP®
is act ivat ed and isno tint er ve ning . R
The trans mis sion isin po sitio n005B.
R The driver' sd oorisc losed .
R Checko fthe radar sensor system has been
success fullycom pleted.
R Parking AssistP ARK TRON ICisno tb ein g
used topar kthe vehicle ortoexitfrom a
par kingspace.
R The vehicle does nots kid. 21
4
Driving and parking

Ac
tiv eS teer ing Assis t Fu
nction ofActiv eS teer ing Assis t
% The follo wing function iscoun try- dependen t
and onlyavailable incon junction withthe
Dr iving Assista nc eP acka ge .
Ac tiveS teer ing Assis tiso nlya vailable uptoa
speed of130m ph(210 km/h) .The system helps
yo ut os tayi nt he cent erofthel ane bymeans of
moder ates teer ing interve ntio ns.Dep endingon
th es peed driven, ActiveS teer ing Assis tuses the
ve hicles ahead andlane markings asarefer‐
ence .
% Depe nding onthec ount ry,int he lowe r
speed rang eA ctiv eSteer ing Assis tcan use
th es urround ingtraf fica sa refere nce. Ifnec‐
ess ary, Ac tiveS teer ing Assis tcan then also
pr ov ide assis tance when drivi ng away from
th ec ent erofthel ane toform arescue lane,
fo re xamp le.
When thes ystemi sactiv elysteer ing, theà
symbol issho wningreen inthem ultifunc tion
displa y.
If th ed etecti onoflane markingsand vehicles
ahead isim pair ed,ActiveS teer ing Assis t switc
hestopassiv emode. Thesystem prov ides
no suppor tint his case. During thet ransit ion
fr om activ etop assiv estatus ,the à symbol is
sho wnasenlar geda nd flashin g.On ce thes ys‐
te mi spass ive, theà symbol issho wnas
gr ay inthem ultifunc tiondispla y.
Ste ering and touc hd etection
The driver isrequ ired tokeep their hands onthe
st eer ing wheel atall times andbeable tointer‐
ve ne atanyt ime tocor rect thec our seofthe
ve hicle andkeep itin lane. Thedriver mus t
ex pect achang efroma ctivet op assiv emode or
vice versaa tany tim e. If
th es ystemd etects that thed rive rh as not
st eer edthev ehicle forac onsider ablep eriod of
time orhas remo vedt heir hands from thes teer‐
ing wheel, anoptical warning isgiv en firs t. Dis ‐
pl ay 1 appear sint he multifunction display.If
th ed rive rs tilld oes nots teer thev ehicle, or
giv es no conf irmation tothes ystem, aw arning
to ne sou nds inad ditio nt ot he visual warning
mess age.
The warning isno tissued, orisstopped, when
th ed rive rg ives con firm atio ntot he system:
R The driver steer sthe vehicle.
R The driver presses asteer ing wheel buttonor
oper ates Touc hC ontrol.
If Ac tiveS teer ing Assis tdetects that as ystem
limit hasbeen reac hed, avisual warning is
issued andawarning tone sou nds.
Ac tiveS teer ing Assis tiso nlya na id. The driver is
re sponsible fort he distance tothev ehicle in
fr ont, forv ehicle speed, forb raking ingood time
and fors taying inlane. Beforec hanging lanes,
th ed rive rm ustm akes uret hat then eighbor ing
lane isfree (glance overthe shoulder). Dr
iving andparking 21
9

If
al ane chang eisn otposs ible, thea rrow fades
out afte raf ewsec ond sand anew lane chang e
mus tbeinit iated. Animm ediat elane chang eis
on lypo ssible on free wa ys ection sw ithout speed
limi ts.
If th es ystemi simp aired, ActiveL aneC hange
Assi stma ybec anceled .Ifi ti sc anceled ,the
Lane Change Canceled messageappe arsi nt he
multifunction displayand aw arning tone sou nds. &
WARNIN GRisk ofacci dent from chang ‐
ing lane toan occ upied adjacentlane
Lan eChan geAssi stcanno talway sd etect
clear lyifth ea djacen tlane isfree.
The lane chang em ightbeinit iated although
th ea djacen tlane isno tfree. #
Beforec hanging lanes,makesuret hat
th en eighbor inglane isfree and ther ei s
no dang ertoother road user s. #
Mon itor thel ane chang e. &
WARNIN GRisk ofacci dent ifLane
Ch ang eAssistune xpectedl ystops func‐
tionin g
If th es ystem limit ations forL ane Change
Assis thave been reac hed, ther ei sn og uar‐
ant eethat thes ystem will remain active.
Lane ChangeA ssis tcanno tthen assis tyou
by appl ying steer ing torq ues . #
Alw aysm onit orthel ane chang eand
ke ep your han dson thes teer ing wheel.
Obser vethet raffic con dition sand steer
and/or brak ei fn eces sary. Sy
stem limit s
The system limit ations ofActiveS teer ing Assis t
apply toActiveL aneC hangeA ssist
( / pag e219).
Th es ystemm ayalso beimpair edorma ynot
func tion inthef ollo wing situations:
R The sensor sint he rear bum perared irty ,
damag edorcoveredb yas tickero rice and
sno w,fore xamp le.
R The exterior lighting showsafault. %
The ActiveL aneC hangeA ssistsensor s
adjus tautomaticall ywhile acertain dis tance
is be ing driven afte rt he vehicle hasbeen
deliv ered. ActiveL aneC hangeA ssistis
una vailable oronl ypartiall yavailable during
th is teac h-in proce ss;noarro wa ppear snext
to theØ ActiveS teer ing Assis tsymbol
when thet urns ignal indicat orisactiv ated.
Ac tiv atin g/deac tivatin gActive Lan eChange
As sist
Multimedia system:
4 Vehicle 5
k Assist ance #
Select LaneChange Assist. #
Activate0073 ordeacti vate 0053 thef unc tion .
Fu nction ofActiv eE me rgency Stop Assis t
If th ed rive rc ontinuall yignor esthev isual or
acous ticwarning toput their hands onthes teer‐
ing wheel, theBeginn ingEmer gencyStopmes‐
sag eappear sint he multifunction display.Ifth e
dr iver still does notrespond, ActiveD ista nce
Assi stDIS TRONI Creduces thes peed. Thevehi‐
cle isdeceler ated instag es toas tands till. 222
Drivin gand par king

Dep
endingonthec ount ry,a ts peeds below
40 mph(60 km/h) theh azar dwarning lights
switc honautomat ically.
When thev ehicle isstatio nary,thef ollo wing
actions arec arried out :
R The vehicle issecur edwiththe electr icpar k‐
ing brak e
R ActiveD ista nce AssistDIS TRONI Cise nded
R The vehicle isunloc ked
R Ifpossib le,an emer gency callisp lace dt o
th eM ercedes- Benzemergency callcent er
The driver can cance lthe deceler ationatany
time byper form ing one ofthef ollo wing actions:
R Steer ing
R Braking oracceler ating
R Pressing asteer ing-wheel button
R Oper ating Touc hC ontrol
R Activati ng ordeacti vating ActiveD ista nce
Assi stDIS TRONI C Ov
erview ofActiv eD ista nce Assist
DI ST RO NIC displa ysinthei nstrum ent clus‐
te r The
assis tance grap hica nd thes tatus displa y
sho wthe status ofthef ollo wing function sint he
ins trument cluster:
R ActiveD ista nce AssistDIS TRONI C
R Route-based speedadap tatio n
R ActiveS teer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n:typ eofrout e
eve nt
2 Vehicle infront
3 Distance indicator
4 Setspecifiedd ista nc e
5 Own vehicle Dr
iving andparking 223

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
bol appear sint he multifunction dis‐
pla y.
Re ar segm ents1 orall-r oundseg‐
men ts2 light upred. At thes ame
time, awarning tone sou nds for
appr oximat elyt wo seco ndseverytim e
th ev ehicle isstar ted. The é symbol
appear sint he multifunction display. The
sensor saredir ty. #
Clean thes ensor sand obser vethen otes on car eofvehicle parts(/ page421).
Pa rking AssistP ARK TRON IChasb een deac tiva tedd uetoam alfunc tion. #
Startt he vehicle again. #
Ifth ep roblem persists, con sult aqualif iedspec ialistworks hop. Fu
nction ofthep assiv es ide impact protec‐
tion
Pa ssiv eside impact protect ion isan additional
Pa rking AssistP ARK TRON ICfunctio nwhich
wa rnst he driver about obstacle satthe side of
th ev ehicle. Awarning isissued whenobstacle s
ar ed etect edbetween thef ront and rear detec‐
tion rang e. In orde rfor an objec tonthe side to
be detected, thes ensor sint he front and rear
bum permus tfirst detect theo bjec twhile you
ar ed rivin gp astit. Dur
ing thep arking procedur eorm aneuv ering,
objec tsared etect edasthev ehicle drives pas t.
If yo us teer inthed irect ion ofad etect edobs ta‐
cle and ther ei sar iskofalater al collision, a
wa rning isissued. Thesegme ntso nthe sides
light upyello wo rred, depending onthed ista nce
to theo bstacle . Seg
ment colord epe ndin gond istan ce
Co lorL ater al dis tan ce
Ye llo wA pprox.1 .0 -2 .0ft
(30 -60c m)
Re dA pprox.< 1.0f t
(30 cm) In
order forl ater al front orrear segm entstob e
displa yed, thev ehicle mustfirst trave lad ista nce
of at leas th alfo fthe vehicle length.Once the
ve hicle hastrave led thel engt hofthe vehicle, all 236
Driving andparking

If
indicat orlam p2 isno tlit, Parking Assist
PA RK TRONI Cisa ctive. Ifth ei ndicat orlam pislit
and theé symbol appearsint he multifunc‐
tion displa y,Pa rking AssistP ARK TRON ICisno t
ac tiv e. #
Pres sb utton1 .
% Parking AssistP ARK TRON ICisau tomat ically
act ivat ed when thev ehicle isstar ted. Ad
jus tingthe warning tones ofParking
Assis tPARK TRON IC
Mul timedia system:
4 Vehicle 5
k Assist ance
5 Camera &Parkin g5
Set Warning Tones
Ad jus tingthe volum eofthe warning tones #
Select Warning ToneVolume. #
Setav alue.
Ad jus tingthe pitc hofthe warning tones #
Select Warning TonePitch.
Se tav alue.
Specif yingthes tar ting point fort he warning
to nes
Yo uc an spec ifywhe ther theP arking Assist
PA RK TRONI Cwarning tones shouldc omm ence
wh en thev ehicle isfur ther aw ay from anobs ta‐
cle . #
Sele ctWa rnEarl y. #
Activate0073 ordeacti vate 0053 thef unc tion . Ac
tiv atin g/deac tivatin gaudi ofadeout
Yo uc an spec ifywhe ther thev olume ofam edia
sour ceinthem ultimedia system isto be
re duced whenParking AssistP ARK TRON ICgive s
an audible warning. #
Selec tAudio Fadeout DuringWarning Ton es. #
Activate0073 ordeacti vate 0053 thef unc tion . Re
versing camer a Fu
nction ofther ear view camer a 238
Driving andparking

5
Redw arning displa yofParking Assist
PA RK TRONI C:obs tacles arev eryc los e
(a ppr oximat ely1 .0ft(0.3 m)orless)
6 Orang ewarning displa yofParking Assist
PA RK TRONI C:obs tacles aream edium dis‐
ta nce away (be tween appr oximat ely1 .0ft
(0.3 m)and 2.0ft(0.6 m))
% Ifth ee ntires ystemf ails, thei nner segment s
of thew arning displa yaresho wninred. The
indicat orlam ponthe PARK TRONI Cbutton
light supa nd theé symbol appearsin
th em ultifunc tiondispla y.
If th es ystemf ails atther ear ,the rear seg‐
men tsares hown inredw hen backingu p
and areh idden whendriving forw ards.
When ActiveP arking Assisti sa ctive, the
lane markingsared ispla yedi ng reen.
If Pa rking AssistP ARK TRON ICisde act ivat ed ,
th ew arning displa yfades out. Wi
de-ang levie w
Sy stem failur e
If th er ei sn oo per ational readin ess, thef ollo wing
messag eappear sint he multimedia system: Sy
stem limit s
The rear vie wc ameraw illno tfun ction orwill
on lypa rtiall yfunc tion inthef ollo wing situations:
R The trunk lidisopen.
R Ther eish eavy rain, sno worfog.
R The ambient lightcondit ionsarep oor ,e.g. at
night.
R The camer alens isobs truct ed, dirtyor fog‐
ge du p.Obser vethen otes on cleaning the
re ar vie wc amera( /pag e421).
R Cameras, orvehicle component sinw hich
th ec amer asarei nstalled, ared amag ed.In
th is eve nt,have thec amer as,their position s
and their setting checkeda taq ualifiedspe‐
cialis tworks hop.
The field ofvision andother funct ionsofther ear
vie wc ameram aybe restrict ed duet oa ddit ional
acc esso ries on ther ear ofthev ehicle (e.g.
license platebrack et or bicy cle rack ).
% The displa ycontras tmaybe impair eddue to
inc ident sunligh toro ther light sources. In
th is case, payp artic ular attent ion. 24
0
Driving and parking

AT
TENTI ONASSIST Fu
nction ofATTENTI ONASSIST
AT TENTION ASSISTa ssis tsyouo nlon g,mon oto‐
nous journeys,e .g. on highw aysa nd trunk roads.
If AT TENTION ASSISTd etects indicat or so ffati ‐
gue orincr eas ing lapse sinc once ntration onthe
par tofthe driver ,its ugg ests taking abreak .
AT TENTION ASSISTi so nlya na id. Itcann ot
alw aysd etect fatig ue orlaps es inconce ntration
in tim e.The system isno tas ubstitutef or aw ell-
re sted and attent ived rive r.On long journeys,
ta ke regular break sing ood time that allo wfor
adeq uaterecuper ation.
Yo uc an choose between twos ettings:
R Standar d:nor mal system sensit ivity.
R Sensitiv e:higher system sensit ivity.The
dr iver iswa rned ear lier and thea ttent ion
le ve ld etect edbyATTENTION ASSISTi sa dap‐
te da ccor dingly.
If dr ow siness orincr easing lapsesinconcen tra‐
tion ared etect ed, theATTE NTION ASSIS T:Take
aB reak !wa rning appear sint he Instrument Dis‐
pla y.Yo uc an ackn ow ledg ethe messag eand tak
eab reak wher eneces sary.Ifyo ud on ottake
ab reak and ATTENTION ASSISTc ont inues to
de tect incr easing lapse sinc oncentr ation, you
will bewarned again afte ram inimu mof
15 minut es. Yo
uc an have thef ollo wing status informat ionfor
AT TENTION ASSISTd ispla yedi nt he assis tance
menu oftheo n-boar dcom put er:
R The lengt hofthe jour neys ince thel ast
br eak .
R The attent ion leve ld eter mined byATTENTION
ASS IST. If
AT TENTION ASSISTi su nable tocal cul atet he
att ention leve la nd can notissue awarning ,the
System Suspendedmes sage appear s.
If aw arning isgiv en intheI nstrument Display,
th em ultimedia system offers to sear chforar est
ar ea. Youc an sele ctar esta reaa nd star tn aviga‐
tio nt ot his rest area. This function can beact iva‐
te da nd deactiv ated inthem ultimedia system.
If AT TENTION ASSISTi sd eactiv ated, theÛ
symbol appearsint he assis tance grap hici nt he
Ins trument Displaywhen thee ngine isrunning .
AT TENTION ASSISTi sa ctiv ated aut omaticall y
when thee ngine isre-sta rted. The lastselect ed
sensit ivityleve lremain sstore d.
Sy stem limit s
AT TENTION ASSISTi sa ctiv eint he 37 mph
(60 km/ h)to 124m ph(200 km/h) speedrang e.
The func tional ity ofATTENTION ASSISTi s
re strict ed, and warnings maybed elayedo rnot
occ uratall inthef ollo wing situations:
R Ifyo uh ave been driving forl ess than appr ox‐
imat ely3 0m inut es. 250
Drivin gand par king

R
When avillag eorcity boundar ywhichis
st or ed inthed igitalmap ispassed.
The camer aalso detects traf fics igns with a
re striction indicated byan addit ionalsign (e.g.in
we tcond itions ).
Tr af ficS ign Assi stisonl yana id. The driver is
re sponsible fork eeping asafed ista nce from the
ve hicle infront, forv ehicle speed andforb raking
in good time.
Wa rning when them axim um permis sible
speed isexc eeded
The system can warnyoui fyou unint entionall y
ex ceed them aximum permissible speed.Todo
th is, youc an spec ifyinthem ultimedia system
by howm ucht he maximum permissible speed
can beexceed edbef oreaw arning isissued. You
can specify whether thew arning isto be justa
visual warning oran acous ticone aswell. Displa
yint he Instrument Display Ins
trument Displayint he Widescr eenCockpit
1 Perm issible speed
2 Perm issible speedwhenther ei sar estricti on
3 Addition alsign withrestricti on
% Ve
hicl eswith astan dard Ins trument Dis‐
pla y:a+ symbo lnexttoat raffics igni nt he
Ins trument Displayindicat esthat addit ional
traf fics igns have been detected. Thesecan
al so be displ ayed inthem edia displa yand
op tion ally intheh ead-up display. Tr
af ficS ign Assi stisno ta vailable inall coun ‐
tr ies. Ifit is una vailable, display1 issho wnin
th es peedome ter.
Sy stem limit s
The system maybeimp aired orma ynotfunc tion
in thef ollo wing situations:
R Ifth er ei sp oor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofther oad, ifth er ea re
highl yvariable shade condition sorinr ain,
sno w,fogo rheavy spr ay.
R Ifth er ei sg lare,e.g. from oncom ingtraf fic,
di re ct sunli ght orreflect ions. 252
Driving andparking