2020 MERCEDES-BENZ S-CLASS lane assist

#
Ifge arshif trecom mendatio nmessage1 is
sho wnonthem ultifunc tiondispla y,shif tto
th er ecom mende dgear . Using
kickdo wn Mer
cedes- AMGvehicl es:obse rvet he notesi n
th eS upplement .Other wise, youm ayfailto rec‐
ogni zedangers. #
Maxi mum acceler atio n:dep ress thea ccel‐
er ator pedal beyond thep ressur epoint .
The automatic transmiss ionshiftsup tothen ext
ge ar when them aximum enginespeedis
re ac hed toprotect thee ngine from overrev ving. Glide
mode functio n Plug-i
nhybr id:obser vethen otes intheS upple‐
ment .Other wise, youm ayfailto recogni zedan‐
ge rs.
Mer cede s-AMG vehicl es:obse rvet he notesi n
th eS upplement .Other wise, youm ayfailto rec‐
ogni zedangers. Wi
th an ant icip ator yd rivin gs tyle,g lide mode
helps yout or educe fuelconsum ption.
Glide mode isch aract erize db ythe follo wing:
R The com bustion engin eisd isco nnect edfrom
th ed rive trai na nd thev ehicle continues to
ro llin neut ral.
R The transmission position005Bisdispla yedi n
gr een inthem ultifunc tiondispla y.
Glide mode isact ivat ed ifth ef ollo wing condi‐
tions arem et:
R Drivep rogram ; issel ect ed.
R The spee di sw ithi nas uitable rang e.
R The road's courseissuit able, e.g.nos teep
uphill ordownhill inclinesortight bends.
R Youd on otdepr essthea ccelera toro rb rake
peda l.
% Glide mode canalsob eactiv ated ifyo uh ave
select edtheEc ose tting fort he drivew hen
in drivep rogram =.
Glide modeisd eactiv ated again ifone ofthe
condi tions isno long erme t. Ve
hicl eswith Activ eD ista nce Assist
DI ST RO NIC :wh en ActiveD ista nce Assist
DIS TRONI Cisa ctive,the glide mode function is
re strict ed. Fu
nction of4MA TIC
4MA TICensur esthat all four wheel saredriven
when needed. Toget her withE SP®
and 4ETS,
4MA TICimprove sthe traction ofyour vehicle
whene verad rive nw hee lspins duetoinsuf fi‐
cie nttracti on.
If yo uf ail toadap tyour driving style, 4MA TICcan
neit her reduce ther isk ofan acci dent norover‐
ri de thel aw so fphysics. 4MATICcanno ttak e
acc oun tofroad, weather and traf ficc ondi tions .
4MA TICisonly anaid. Youa reresponsible espe‐
cially form aint ainingasafed ista nce from the
ve hicle infront, forv ehicle speed, forb raking in
good timeandfors taying inlane.
% Inwint ryroad con dition s,them aximum
ef fect of 4MA TICcan beachie vedo nlyi fy ou
use wint ertires (M+S tires), withs now
ch ains ifnec essar y. 18
8
Driving and parking

Dep
endingonthev ehicle's equipment, ther adar
senso rsarei ntegr ated behind theb um per s
and/or behindther adiat orgrill. The ultrasonic
senso rsarel ocat edinthef ront and rear bum p‐
er s. Ke ep these partsfree ofdir t,ice and slush
(/ page421).The sensor smustn otbe cov‐
er ed, fore xamp leby bicy clerack s, ove rhang ing
loads, sticke rs,foil orfoils toprotect agains t
st one chipping .Addition allicense platebrack et
can like wise impair thef unc tion oftheu ltrasonic
sensor s.In thee vent ofdamag etot he bum pers
or radiat orgrill, orfollo wing acollis ionimpact ing
th eb um per sorradiat orgrill, have thef unc tion
of thes ensor schec keda taq ualifiedspec ialist
wo rkshop. Ifth es ensor saredamag ed,some
dr iving systems anddriving safetys ystems may
no long erfunc tion proper ly. Ov
ervie wo fdriving systems anddriving
saf etys ystems In
this sect ion, youw illfind informa tiona bout
th ef ollo wing driving systems anddriving safety
sy stems:
R 360° Camer a(/pag e241) R
ABS (Anti-l ockBrak ingSystem)
(/ page201)
R ActiveD ista nce AssistDIS TRONI C
(/ page 212)
R AIR BODY CONTR OL(/ page226)
R ActiveB rake Assi st(/ pag e205)
R ActiveL aneK eeping Assist(/pag e259)
R ATTENTION ASSIST( / pag e250)
R BAS(Bra ke Assis tSys tem) (/ page202)
R Hill StartA ssist( / pag e225)
R EBD( Elec tron icBra keforc eDis tribution)
(/ page205)
R ESP®
(Elect ronic Stability Program)
(/ page202)
R ESP ®
Cr osswind Assist(/ pag e204)
R ActiveS peed Limi tA ssist(/ pag e216)
R HOLD function (/page225)
R STEER CONTR OL(/ page 205)
R ActiveS teer ing Assis twithr escue lanefunc‐
tion (/page219)
R MAGICB ODYC ONTR OL(/ page229) R
Night View Assi st(/ pag e254)
R ActiveE merg ency Stop Assis t(/ pag e222)
R ActiveP arking Assist( /pag e244)
R Parking AssistP ARK TRON IC(/ page 233)
R Rear vie wc amera( /pag e238)
R ActiveL aneC hangeA ssist(/ pag e221)
R Cruise control (/ page210)
R Blind SpotAssis tand ActiveB lind Spo tAssist
( / pag e256)
R Traf ficS ign Assi st(/ pag e251) Fu
nction ofABS The
Anti-loc kBrake System (ABS )regulat esthe
br ak ep ressur einc ritical driving situation s:
R Dur ing braking, e.g.atfull brak ea pplication
or insuf ficie nttiret racti on, thew heels are
pr eve nted from lock ing.
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youw illfeel a
pulsing intheb rake pedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road Dr
ivin gand par king 20
1

Ve
hicl eswith Drivin gAssistanc ePacka ge:
The settings canbemade whenthe ignition is
switc hedon.
The follo wing settings area vailable:
R Early
R Medium
R Late #
Select asetting .
% Your sele ction isretained when thev ehicle is
ne xt star ted.
Deactiv atingActiv eB rake Assist
% Itis recomme ndedthat youa lway sl ea ve
Ac tiveB rake Assi stact ivat ed. #
Select Off.
The distance warning func tion andthea uton‐
omous braking function ared eactiv ated.
Ve hicl eswithout Drivin gAssistanc ePack‐
ag e:When thev ehicle isne xt star ted, the
mediu msetting isau tomatical lysele cted.
Ve hicl eswith Drivin gAssistanc ePack‐
ag e:Evasi ve Steer ing Assis tisn otavailable.
When thei gnition isne xt star ted, the mediu
msetting issele cted automatical lyand
Ev asiv eSteer ing Assis tisa vailable.
% IfAc tiveB rake Assi stisdeact ivat ed, the
00D4 symbol appearsinthes tatus bar ofthe
multifu nctiondisplay. Speed
controlcruise contr ol Fu
nction ofcruise contr ol
Cr uise controlregulat esthes peed tothev alue
selec tedb ythe driver .
If yo ua ccelerat etoo vertak e, fore xamp le,the
st or ed speed isno td ele ted. Ifyo ur emo veyour
fo ot from thea cceler ator pedal afte ro vertakin g,
cr uise control will resume speed regulation back
to thes tore ds peed.
Cr uise controliso per ated using thec orrespond‐
ing steer ing wheel buttons. Youc an stor ea ny
speed above15 mp h(20 km/h)upt ot he maxi‐
mum speed.
If yo uf ail toadap tyour driving style, cruise con‐
tr ol can neither reduce ther isk ofan acci dent
nor override thel aws ofphysics. Itcan nottak e
int oa ccount road, weather ortraf ficc ondi tions .Cr
uise contr olisonly anaid. The driver is
re sponsible fort he distance tothev ehicle in
fr ont, forv ehicle speed, forb raking ingood time
and fors taying inlane.
Mer cedes‑AM Gvehic les:Cruise control is
av ailable uptoam aximum speedof155 mph
(250 km/h).
Displa ysinthem ultif unct iondisp lay
The status ofcruise control and thes tore d
speed ares hown inthem ultifunc tiondispla y. 1
Cruise contro liss elec ted
2 Spee diss ave d,cruise control isdeactiv ated
3 Speed issave d, cruise control isactiv ated 21
0
Driving and parking

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

%
When thet oll statio nisr eac hed, ActiveD is‐
ta nce AssistDIS TRONI Cadoptst he speed as
th es tore ds peed.
Also, thes peed isreduced ifth et urns ignal indi‐
cat ortochang elane siss wit ched on and one of
th ef ollo wing situations isde tected:
R Turning offa tint er sect ions
R Drivin gonslowing- down lanes
R Drivin gonlanes adjac enttoslo wing-do wn
lanes
The driver isresponsible forc hoosing ther ight
speed andobser vingother road user s.This
applies inpar ticular tointersect ions,traf ficc ir‐
cle sand traf ficl ights, asroute-based speed
adap tatio nd oesn otbrak et he vehicle toas tand‐
st ill.
When routeg uidan ceisact ive, thef irst spee d
ad jus tment iscar ried out automaticall y.Ifth e
tur ns igna lind ica toriss witc hed on,thes elect ed
ro utei sc onfirm ed and further speed adjustment
is activ ated. Speed
adjustmentisc anc eled inthef ollo wing
cases:
R Ifth et urns ignal indicat orisswitc hedoff
bef oret he routee vent.
R Ifth ed rive rd epr esses thea cceler ator or
br ak ep edal during thep rocess.
Sy stem limit s
Ro ute-based speedadap tatio nd oesn ottake
ri ght ofwa yregulations intoa ccount .The driver
is responsible forc om plying withroad traffic
re gulations anddriving atas uitable speed.
In dif ficul tcondi tions ,for exam ple unc lear roads,
lane narrowing, wetroad surfaces, snoworice ,
or whe ndrivi ng with atrailer ,the speed adjust‐
ment made bythes ystemm aynota lway sb e
suit able. Inthese situation sthe driver mus t
int erve ne acco rding ly. &
WARNIN GRisk ofacci dent inspi teof
ro ute-based speedadjus tm ent
Ro ute-based speedadjus tm entm ightm al‐
fun ction orbe temp orarilyu navailable inthe
fo llo wing situat ions: R
Ifth ed rive rd oes notfollo wthe calcula‐
te dr out e
R Ifmap dataisn otup todat eoravailable
R Inroad con stru ction area s
R Inbadw eather orroad con dition s
R Ifth ea ccelera torp eda lisd epr essed
R Inthee vent ofelectr onicallydispla yed
speed limitations #
Adjus tthe speed tothet raffic situation . Se
ttin gr out e-based speedadj ustme nt Re
quirement s:
R ActiveD ista nce AssistDIS TRONI Cisa ctiva‐
te d.
Multimedia system:
4 Vehicle 5
k Assist ance
5 Speed Adjustmen t #
Activate0073 ordeacti vate 0053 thef unc tion . 21
8
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

Sy
stem limit s
Ac tiveS teer ing Assis thas alimit edsteer ing tor‐
qu ef or lateral guidance. Insome cases,the
st eer ing interve ntio nisn otsufficien ttok eep the
ve hicle inthel ane ortodrivet hrough exits.
The system maybeimp aired orma ynotfunc tion
in thef ollo wing instances:
R The reispoor visibilit y,e.g. due tosno w,rain,
fo g, hea vyspr ay,g reatl yv arying ambien t
light orstro ng sha dows onther oadw ay.
R Ther eisg lare,e.g. from oncom ingtraffic,
di re ct sunli ght orreflect ions.
R Insuf ficie ntroad illumin ation.
R The wind shieldisdir ty,f ogg edup, damag ed
or coveredi nt he vicinity ofthec amer a,e.g.
by asticker.
R No, orseveralu nclear ,lane markingsare
pr esen tfor one lane, orthem arking schang e
qu ickl y, e.g. inac onstru ction areaoratinter‐
secti ons.
R The lane mar kings arew orna way,dar kor
co veredu p,e.g. bydirtorsnow. R
The distance tothev ehicle infront istoo
small andthel ane marking sthus canno tbe
de tected.
R The road isnar row and wind ing.
R Ther eareobs tacle so nthe lane orprojecting
out intot he lane, suchasobjec tmarke rs.
The system does notp rovide assista nce inthe
fo llo wing condition s:
R Ontigh tbends andwhen turnin g.
R When crossin ginter sect ions.
R Attraf ficc ircle so rtoll statio ns.
R When activel yc hanging lanewithout switc h‐
ing onthet urns ignal indicat or.
R When thet irep ressur eist oo low.
Dep endingonthes elect edvehicle settin gs,
Ac tiveS teer ing Assis tmaybe una vailable.
Obser vethes tatus displa yofActiv eSteer ing
Assis tint he multifunction display
(/ page223). &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tunexpect edlystops func‐
tionin g
If th es ystem limits ofActiveS teer ing Assis t
ar er eac hed ther ei sn og uar anteethat the
sy stem will remain activeorwillk eep the
ve hicle inlane. #
Alw aysk eep your han dson thes teer ing
wheel andobser vethet raffic car efull y. #
Alw ayss teer thev ehicle paying atten‐
tion totraf ficc ondi tions . &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tunexpect edlyinterve nes
Am alfu nctio nint he detection oflane mar k‐
ings andobje ctscan occu r.
This could cause unexpect edsteer ing inter‐
ve ntio n. #
Steer accor dingtotraf ficc ondi tions . Ac
tiv atin gActive Ste ering Assis t
Re quirement s 220
Driving andparking