2020 MERCEDES-BENZ S-CLASS Owner's Manual

Deact
ivat ing Activ eD ista nce Assist
DI ST RO NIC : #
Press button 1.
Ac tiv atin gActive Distance AssistD ISTR ONIC #
Toactiv atew ithout astore ds peed :pr ess
ro ck er switc h3 up(SET +)or down (SET -), or
press rock er switc h4 up(RES). Remo ve
yo ur foot from thea cceler ator pedal.
The current spe edisstor ed and maint ained
by thev ehicle.
or #
Toactiv atew ithas tore ds peed :pr ess
ro ck er switc h4 up(RES). Remo veyour foot
fr om thea cceler ator pedal.
% Bypressing rock er switc h4 upagain, the
speed limitation showninthei nstrument
clus terw illb ea dopte dbyActiv eDista nce
Assi stDIS TRONI Corvariable limiter. #
Toacc eptthe display ed speed restriction
when Activ eD ista nce AssistD ISTR ON IC
is ac tiv e:press rock er switc h4 up(RES).
The speed limitdispla yedi nt he instrument
clus teri sa dopte dasthe stor ed speed. The
ve hicle adaptsits speed tothat ofthev ehicle
in front, butonlyuptot he stor ed speed. Ac
cep tingthe display ed speed restriction
when Distance AssistDISTR ON ICisact iva‐
te d #
Press rock er switc h4 up(RES).
The speed limitdispla yedi nt he instrument
clus teri sa dopte dasthe stor ed speed. The
ve hicle adaptsits speed tothat ofthev ehicle
in front, butonlyuptot he stor ed speed.
Pulling away wit hA ctive Distance Assist
DI ST RO NIC #
Remo veyour foot from theb rake pedal and
activ ateA ctiv eDista nce AssistDIS TRONI C. #
Press rock er switc h4 up(RES).
or #
Depr essthea cceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveD ista nce Assist
DIS TRONI Cconti nue tobe car ried out. Dr
iving andparking 21
5

Deact
ivat ing Activ eD ista nce Assist
DI ST RO NIC &
WARNIN GRisk ofacci dent duet oA ctiv e
Dis tance AssistDIS TRONI Cstillb eing
act ivat ed when youl eave thed rive r's
seat
If yo ul eave thed rive r's seat while thev ehicle
is being brak ed byActiveD istan ceAssi st
DIS TRONI Conly,the vehicle canrollaw ay. #
Alw aysd eactiv ateA ctiv eDista nce
Assi stDIS TRONI Candsec uret he vehi‐
cle topreve ntitfrom rolling away
bef orey ou leavethed rive r's seat. #
Press rock er switc h4 down (CNCL).
% Ifyo ub rake ,d eac tivateE SP®
or ifES P®
int erve nes, ActiveD ista nce Assist
DIS TRONI Cisd eacti vated.
Incr easing orreduci ngthe speed #
Press rock er switc h3 up(SET +)or down
(SET -)to thep ressur epoint .
The stor ed speed isincr eased orreduced by
1m ph(1km /h). or #
Pres sr ockers witc h3 up(SET +)or down
(SET -)to thep ressur epoint andhold.
The stor ed speed isincr eased orreduced in
incr ement sof1m ph(1km/h).
or #
Press rock er switc h3 up(SET +)or down
(SET -)be yond thep ressur epoint .
The stor ed speed isincr eased orreduced by
5m ph(10k m/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)and hold beyond thep ressur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof5m ph(10k m/h).
Re duci ngorinc reasin gthe spe cified dis‐
tan cefrom thev ehic lein front #
Press rock er switc h2 upordown. Fu
nction ofActiv eS peed Limit Assist %
The follo wing function iscoun try- dependen t
and onlyavailable incon junction withthe
Dr iving Assista nc eP ackage . If
ac hang eint he speed limitisde tected and
au tomatic adoptionofspeed limitsisactiv ated,
th en ew speed isaut omaticall yadop teda sthe
st or ed speed (/page253). 21
6
Driving and parking

The
driven speed isadjus tedw hen thev ehicle is
le ve lw itht he traf fics igna tthe latest.In the
case ofsig ns indi cati ngentr yintoa nu rban area ,
th es peed isadap teda ccor ding tothes peed
per mitt edwithin theu rban area. The speed limit
displa yint he Instrument Displayisa lway su pda ‐
te dw hen thev ehicle isleve lw itht he traffic sign .
If th er ei sn ospeed restriction onanunlimited
st re tcho froad (e.g. onafreewa y),ther ecom ‐
men dedspeed isaut omati callyadop teda sthe
st or ed speed. Thesystem uses thes peed stor ed
on anunlimit edstre tcho froad asther ecom ‐
men dedspeed. Ifyo ud on otalter thes tore d
speed onanunlimit edstre tcho froad, ther ec‐
omm ended speedis80 mph(130k m/h) .
If Ac tiveD ista nce AssistDIS TRONI Chasbeen
pu tint op assive mode bypressing thea cceler a‐
to rp eda l,onl yspeed limitswhi chareh igher
th an thes etspeed area dop ted.
Ac tiveS peed Limi tA ssistisonl yana id. The
dr iver isresponsible fork eeping asafed ista nce
fr om thev ehicle infront, forv ehicle speed and
fo rb raking ingood time. Themaximu mpermissi ‐
ble spee dalsod epe nds onfact or ss ucha sthe
ro ad sur face and traf ficc ondi tions . Sy
stem limit s
Te mp orarys peed restrictions (e.g.for ac ertain
tim eordue towe ather condition s)can notb e
pr oper lyde tected bythes ystem. Themaximum
per missible speedapplying toav ehicle witha
tr ailer isno td etect edbythes ystem. Inthese sit‐
uations youm usta djus ty our speed yourself . &
WARNIN GRisk ofacci dent duet oA ctiv e
Speed LimitAssistadap tingt he vehicle's
speed
The speed adoptedb yActiv eSpeed Limi t
Assi stma ybetoo high orincor rect insome
indi vidualcase s,su ch as:
R Inthew etor infog
R When towing atrailer #
Ensur ethat thed rive ns peed complies
wit htraffic regulations. #
Adjus tthe driving speed tosuit current
tr af fica nd weather condition s. Fu
nction ofrout e-base dspee dadap tatio n %
The follo wing function iscoun try- dependen t
and onlyavailable incon junction withthe
Dr iving Assista nc eP acka ge .
When ActiveD ista nce AssistDIS TRONI Cisa cti‐
va ted, thev ehicle speed willbeadjus teda ccor d‐
ing lyto ther out eeventsa head. Depen dingon
th ed rive prog rams elected, thev ehicle negoti‐
at es arout eevent aheadi naf uel-saving, com ‐
fo rtable ordynam icman ner.W hen ther out e
eve nthasb eenp asse d, thev ehicle accelerat es
ag ain tothes tore ds peed. Thesetd ista nce to
th ev ehicle infront, vehicles detected aheada nd
spe edrestrictions aheada retake ni ntoa cco unt.
Ro ute-based speedadap tatio nc an be conf ig‐
ur ed inthem ultimedia system (/ page218).
Th ef ollo wing routee vents aret aken into
acco unt:
R Bend s
R T-int ersect ions,tra ffic circ lesa nd tollst a‐
tio ns
R Turnsa nd exits Dr
ivin gand par king 217

%
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

R
ESP ®
mu stbe activ ated, but notint er ve ning .
R ActiveD ista nce AssistDIS TRONI Cisa ctiva‐
te d. #
Ifindicat orlam p1 isoff:pr ess butt on2.
Fu nction ofActiv eL aneC hangeA ssist
% Thef ollo wing function iscountr y-dependen t
and onlyavailable incon junction withthe
Dr iving Assista nc eP acka ge . Ac
tiveL aneC hangeA ssistsuppor tsthed rive r
when chang inglane sbyappl ying steer ing torq ue
if th ed rive ro per ates aturns ignal indicat or.
Assis tance when chang inglane sisp rovide difa ll
th ef ollo wing condition sareme t:
R Youa redrivin gonaf reewa yorroad with
multiple lanesinthed irect ion oftrave l.
R The neigh boring lane issepar ated byab ro‐
ke nl an em arkin g.
R Novehicle isde tected inthea djacen tlane.
R The driven speed isbe tween 50mph
(80 km/ h)and 110m ph(180 km/ h).
R ActiveL aneC hangeA ssistisswitc hedonin
th em ultimedia system.
R ActiveS teer ing Assis tiss witc hed onand
activ e. If
no vehicle isde tected inthea djacen tlane and
al ane chang eisp ermit ted, thel ane chang e
begin safter thed rive rh as activ ated thet urns ig‐
nal indicat or.T his issho wntothed rive rw itha
gr een arro w 2 next to thes teer ing wheel sym‐
bol. TheLane Change tothe Left messag ealso
appear s,fore xamp le.IfAc tiveL aneC hange
Assi sthas been activated withthe turns ignal
indicat orbut alane chang eisn otimm ediat ely
poss ible, agraya rrow 1 appear snexttot he
st eer ing wheel symbol, whichremain sgreen.
When thel ane chang eassis tance star ts,t he turn
signal indicat orisaut omaticall yactiv ated along
wit hthe displa yint he multifunction display. Dr
iving and parking 22
1

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