PP
er er
manent st manent
status displa atus
displa yof A y
of Activ ctiv
eDist e
Dist ance ance
Assis Assist
DIS t
DIS TR TR
ONIC ONIC
R k (white):ActiveDist ance Assist
DIS TRONI Csele cted, spec i/eddist ance set
R k (whit eve hicle, greenspeedome ter):
Ac tiveDist ance AssistDIS TRONI Cacti ve,
speci/ed distance setand vehicle detected
R k (gre en): ActiveDist ance Assist
DIS TRONI Cacti ve,speci/ed distance setand
ve hicle detected
R r: Route-based speedadaptation active
( / pag e206).
The stor ed speed issho wnalong withth eper ma-
nent status displa yand highlight edon thespeed-
ome ter. When ActiveDist ance AssistDIS TRONI C
is pas sive,thespeed isgraye dout.
% Onhighw aysor high- speed major roads, the
gr een ç vehicle symbol isdispl ayedcy cli-
call ywhen theve hicle isready topull away.
% Ifyo udepr esstheacceler ator pedal beyond
th ese tting oftheAc tiveDist ance Assist
DIS TRONI C,thesy stem isswitc hedtopassiv e mode.
Theç Suspendedmessag e
appear sin theInstr ument Display.
Displa Displa
yon t y
on the speedome t he
speedome ter er
The stor ed speed ishighlight edon thespeedome-
te r. Ifth espeed oftheve hicle infront orthe
speed adjustment forth ero uteev ent ahead is
less than thestor ed speed, thesegments inthe
speedo meterlight up.The Instr ument Display
sho wsthedeactiv ationofActiveDist ance Assist
DIS TRONI C,as wellas alterations tothespeed
due tomanual oraut omatic adoptionofthemaxi-
mum permissible speed.
Sy st Sy
stem limits em
limits
The system maybe impair edorma yno tfunction
in thefo llo wing situations, forex am ple:
R Insno w,rain, fog, hea vyspr ay,if th er eis glar e,
in dir ect sunlight oringreatl yva rying ambient
light.
R Ifth er eis swir ling dust, e.g.when driving o.-
ro ad oron sandy surfaces.
R The windshi eldinthear ea ofthecamer ais
dir ty,fo gg ed up, dam aged orcovered.
R Ifth era dar sensor sar edir tyor covered. R
Inpar king garage sor on roads withsteep
uphil lor downhil lgr adien ts.
R Ifth er ear enar row vehicles infront ,suc has
bicy cles ormo torc yc les.
In addition, onslipper yro ads, braking oracceler -
atin gcan cause oneorseveralwheels tolose
tr action andtheve hicle could then skid.
Do notuse ActiveDist ance AssistDIS TRONI Cin
th ese situations. &
W W
ARNIN G ARNIN
GRisk ofaccident from acceler a-
tion orbraking byActiveDist ance Assist
DIS TRONI C
Ac tiveDist ance AssistDIS TRONI Cma yacc el-
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsawa yusin gAc tiveDis-
ta nce AssistDIS TRON IC.
R Ifth estor ed speed iscalled upand iscon-
sider ablyfa ster or slowe rth an thecur -
re ntl ydr iven spe ed. 202202
Dr
iving andparking
#
Ensur eth at thedr iven speed complies
wit htra1c regula tions . #
Adjust thedr iving speed tosuit current
tr a1c andweather cond itions. FF
unct ionofr unct
ionofrout out
e-based speed adapt e-b
ased speed adaptatio n atio
n
When ActiveDist ance AssistDIS TRONI Cis acti va-
te d, theve hicle speed willbeadap tedaccor dingly
to thero uteev ents ahead. Depending onthedr ive
pr og ram select ed,theve hicle negotiat es aro ute
ev ent ahead inan economical, comfortable or
dynamic manner.When thero uteev ent has been
passed, theve hicle acceler ates again tothe
st or ed spee d. These tdi st an ce totheve hicle in
fr ont ,ve hicles detected ahead andspeed restr ic-
ti on sah eadar eta ke nint oac cou nt.
Yo ucan activ ateand deactiv atero ute-based
speed adaptation inthemultimedia system
(/ page207).
The follo wing routeeve nts are take nint oac cou nt:
R Cur ves
R T-int ersections, roundabouts andtollplazas
R Turnsand exits R
Tra1c jams ahead (onlywit hLiv eTra1c Infor-
matio n)
% When theto llst ation isreac hed, ActiveDis-
ta nce AssistDIS TRON ICado ptsth espeed as
th estor ed speed.
Also, thespeed isreduced ifth etur nsignal indi-
cat ortochang elane sis switc hedonand one of
th efo llo wing situations isde tected:
R Turning o.atintersections
R Driving onslowing-do wnlanes
R Driving onlanes adjacent toslo wing -down
lane s
The driver isresponsi bleforch oosing theright
spe edand observing other road user s.This
appli esinpar ticu lartointersections, roundabouts
and tra1c lights, asroute-based speedadaptation
does notbr ak eth eve hicle toast ands till.
When routeguidance isactiv e,the/r st speed
adjustmen tis car ried out automaticall y.Ifth etur n
signal indicat orisswitc hedon,theselect edrout e
is con/ rmed and further speed adjustmen tis acti-
va ted. Speed
adaptation iscanc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedo.
bef oreth ero uteev ent.
R Ifth edr iver depr esses theacceler ator or
br ak epedal during thepr ocess.
Sy st Sy
stem limits em
limits
Ro ute-based speedadaptation does notta ke right
of wa yre gula tions intoac cou nt.The driver is
re sponsi bleforcom plying withro ad tra1c regula -
tions anddriving atasuit ablespe ed.
The speedada ptatio nmade bythesy stem may
no talw aysbe suit able, particu larlyin thefo llo wing
situations:
R The road's coursenotclear lyvisi ble
R Road nar rowing
R Varying maximum permissible speedsinindi-
vidual lanes, forex am ple attollplazas
R Wetro ad sur faces, snowor ice
R When towing atrailer
In these situations thedr iver must interve ne
ac cor dingl y. 206206
Dr
iving andparking
#
T T
o activ o
activ at at
e: e:
pull rock er switc h1.
Indicat orlam p2 lights up.
The î symbol appearsin themultifun ction
displa y. #
T T
o deactiv o
deactiv at at
e: e:
pull rock er switc h1.
Indicat orlam p2 and theî symbol go
out. A A
ctiv ctiv
ating/deactiv ating/deactiv
atingDSR(Do ating
DSR(Downhill Speed wnhill
Speed
R R
egulation) (v egulation)
(vehicles wit ehicles
without hout
O.-r O.-
road oad
pack pac
kag ag
e) e)
R R
eq eq
uir uir
ements: ements:
R Youar edr iving at24.8 mph(40 km/h) or
slo wer.
If th ecur rent vehicle speed istoohigh, the
Max. Speed 24mph mess ageappea rsinthe
multif unctiondispla y.
R ActiveDist ance AssistDIS TRONI Cis dea ctiva-
te d.
Multimedi asy stem:
4 © 5
Settings
5 Schnellzug riff(Quic kaccess) #
Select îDSR.
The î DSRsymbol appearsin themulti-
function displaywhen thefunction isactiv a-
te d.
% When youswitc hto theG drive pr og ram,
th efunction isaut omaticall yactiv ated. Changing
t Changing
the t he
tar ge ar
get spee d t
spee d #
T T
o incr o
incr ease/r eas
e/r educ et educ
ethe t he
tar ge ar
ge tspee d: t
spee d:press
ro ck er switc h1 upM ordown N to
th epoint ofresis tance.
The select edtarg et speed increases or
decr eases by1mp h(1 km /h)an dap pe ars
al on gwi th theî symbol inthemultifun c-
tion displa y. Dr
iving andparking
209 209
R
Depending ont Depending
onthe countr y he
countr y: :
th edr iver presses
a steer ing wheel buttonoroper ates Touc h
Contr ol
If Ac tiveSt eer ing Assist detects that asy stem
limi thas been reac hed, avisu alwa rning isissued
and awa rning tone sou nds.
Obs erve theno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page190).
Sy st Sy
stem limit s em
limit s
Ac tiveSt eer ing Assist hasalimit edsteer ing tor-
qu efo rlat eral guidance. Insome cases,th esteer -
ing interve ntion isno tsu1 cienttokeep theve hi-
cle inthelane ortodrive th ro ugh exits.
The system maybe impair edorma yno tfunction
in thefo llo wing instances:
R Ther eis poor visibility ,e.g. duetosno w,rain,
fo g, hea vyspr ay,gr eatl yva rying ambient light
or strong shad owson thero ad.
R Ther eis glar e,e.g .fr om onco mingtra1c,
dir ect sunl ight orre0ectio ns.
R Insu1 cientroad illumin atio n. R
The wind shield isdir ty,fo gg ed up, dam aged or
co veredin thevicinity ofthecamer a,e.g. bya
sti cker.
R No, orseveral,unclear lanemarkings arepr es-
ent forone lane, orthemar kings chang e
qu ickl y, forex am ple, inacons tructi onarea or
int ersecti ons.
R The lane marking sar ewo rnawa y,dar kor cov-
er ed up, e.g. bydirtor sno w.
R Ifth edist ance totheve hicle infront istoo
shor tand thus thelane markings canno tbe
de tected.
R The road isnar row and wind ing.
R Ther ear eobs tacles onthelane orprojecting
out intoth elane, suchas object markers.
The system doesno tpr ov ide assist anceinthefo l-
lo wing conditions:
R Ontight curvesand when turnin g.
R When crossin gint ersecti ons.
R Atroundabouts ortollst ations.
R When towing atrailer .
R When thetir epr essur eis toolow. &
W W
ARNI NG ARNI
NGRisk ofaccid ent ifAc tiveSt eer -
ing Assist unexpect edlyst ops function ing
If th esy stem limits ofActiveSt eer ing Assist
ar ere ac hed ther eis no guar anteethat the
sy stem will remain activeor will keep theve hi-
cle inlane . #
Alwayske ep your hands onthesteer ing
wheel andobser vethetra1c carefull y. #
Alwaysst eer theve hicle paying attent ion
to tra1 cco nd itio ns . &
W W
ARNI NG ARNI
NGRisk ofaccid ent ifAc tiveSt eer -
ing Assist unexpect edlyint erve nes
The detection oflane marking sand obje cts
ma ymalfu nctionand cause unexpect edsteer -
ing interve ntions . #
Steer accor dingtotra1 cco nd itio ns . AA
ct iv ct
ivat ing/ deact iv at
ing/ deact ivat ing A at
ing Act iv ct
ive St e
St eer eer
ing Assist ing
Assist
R R
eq eq
uir uir
ements: ements:
R ESP ®
is activ ated, but isno tint erve ning. Dr
iving andparking
211 211
R
ActiveDist ance AssistDIS TRONI Cis acti va-
te d.
Multimedi asy stem:
4 © 5
Settings 5
Quick Access #
Select 004FSteering Assist. FF
unction ofA unction
ofActiv ctiv
eEmer g e
Emer gency St ency
Stop Assist op
Assist If
th esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableperiod of
time orhas remo vedth eir hands from thesteer ing
wheel, display1 appear sin theInstr ument Dis-
pla y.Ifth edr iver still does notst eer theve hicle,
or giv es no con/r mation tothesy stem, awa rning to
ne sou nds inadd itionto thevisual warning mes-
sag e.
If th edr iver still does notre spond tothewa rning,
th eBeginning Emergency Stopmessag eappear s
in theInstr ument Display.Ifth edr iver still does
no tre spond ,Ac tiveDist ance AssistDIS TRONI C
re duces thespeed. Thevehicle isdecel erated in
st ag es toast ands till.
Depe nding on thecountr y,at speeds below
40 mph(6 0km /h)th ehazar dwa rning lights
switc hon automaticall y.
When theve hicle isstation ary, thefo llo wing
actions arecar ried out:
R The vehicle issecur edwithth eelectr icpar k-
ing brak e.
R ActiveDist ance AssistDIS TRONI Cis ended.
R The vehicle isunl ocked.
R Ifpossible, anemer gency callis pla ced tothe
Mercede s-Benzemergency callcent er.
The driver can cancel thedeceler ationatanytime
by per form ing one ofthefo llo wing actions:
R Steer ing R
Braking oracceler ating
R Deactiv atingActiveDist ance Assist
DIS TRONI C AA
ctiv ctiv
eLane Chang e
Lane ChangeAssi st e
Assi st FF
unctio nof A unctio
nof Activ ctiv
eLane Chang e
Lane ChangeAssi st e
Assi st
Ac tiveLane ChangeAssi stsupp orts thedr iver
when chang inglane sby appl ying steer ing torq ue
if th edr iver activ ates atur nsignal indicat or.
Obser vetheno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page190) .
Assis tance when chang inglane sis prov ided ifall
th efo llo wing conditions areme t:
R Youar edr iving onafree wa yor road withmul-
tip lelane sin thedir ection oftrav el.
R The neighbor inglane issepar ated byabr ok en
lane marking .
R Novehicle isde tected intheadjacent lane.
R The vehicle speed isbe tween 50mph
(80 km/h )and 110 mph(1 80 km/h). 21
2 21
2 Dr
iving andpa rking
R
ActiveLane ChangeAssi stisswi tched onin
th emultimedia system.
R ActiveSt eer ing Assist isactiv ated and activ e.
If no vehicle isde tected intheadjacent laneanda
lane chang eis per mitt ed,thelane chang ebeg ins
aTer thedr iver has activ ated thetur nsignal indi-
cat or.This issho wntothedr iver wit hagr een
ar ro w ne xt to the± steer ing wheel symbol.
The Lane Change tothe Left messag e,forex am-
ple, also appear s.IfAc tiveLane ChangeAssi st
has been activatedwit hth etur nsignal indicat or
but alane chang eis no timmed iatelypossibl e,a
gr ay arro w appear sne xt to the± steer ing
wheel symbol, whichre mains green.
When lanechang eassis tance star ts, thetur nsig-
nal indicat orisaut omaticall yactiv ated along with
th edispla yin theInstr ument Display.
If th eassist ancegraphic issho wnwhen chang ing
lane s,an addit ionalarro w appear sin itpoin ting
to wa rdsth eadjacent lane(/page200).
If alane chang eis no tpossibl e,thear ro w isfaded
out aTer afew secon dsand ane wlane chang e
mus tbe initiat ed. Animmed iatelane chang eis onl
ypossibl eon free wa ysect ionswit hout speed
lim its.
If th esy stem isim pair ed,ActiveLane Change
Assi stma ybe canc eled. Ifit is canc eled, the
Lane Change Cancel edmessag eappear sin the
Ins trumen tDispl ay.
In addit ion,a wa rning tone maysou nd, depending
on thesituation. &
W W
ARNIN G ARNIN
GRisk ofaccident whenchang ing
lane toan occupi edadjace ntlane
Lan eChang eAssis tcann otalw aysclear ly
de tect ifth eadjacent laneisfree.
The lane chang emig htbe initiat edalthoug h
th eadjacent laneisno 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. &
W W
AR NIN G AR
NIN GRisk ofacciden tif Lan eChang e
Assis tune xpect edlyst ops funct ioning
If th esy stem limit ations forLane Chang e
Assist have been reac hed, ther eis no guar an-
te eth at thesy stem will remain active.
Lane Chang eAssis tcanno tth en assist youby
appl ying steer ing torq ue . #
Alwa ys monit orthelane chang eand
ke ep your hands onthesteer ing wheel.
Obser vethetra1c conditions andsteer
and/or brak eif necessar y. Sy
st Sy
stem limits em
limits
The system limitat ions ofActiveSt eer ing Assist
appl yto ActiveLane ChangeAssi st
(/ page210) .
The system mayals obe impair edorma yno tfunc-
tion inthefo llo wing situations:
R The sensor sin there ar bum peraredir ty,dam-
ag ed orcoveredby ast icke ror ice and snow,
fo rex am ple.
R The exterior lightin gsho wsamalf unct ion. Dr
iving and parking
213 213
%
The ActiveLane ChangeAssi stsens orsadjust
aut oma tically whi leacer tain dist ance isbeing
dr iven aTer theve hicle hasbeen delivered.
Ac tiveLane ChangeAssi stisuna vailable or
onl ypar tiall yav ailabl edur ing this teac h-in
pr ocess; noarro w appear sne xt to theØ
Ac tiveSt eer ing Assist symbol whenthetur n
signal indicat orisactiv ated.
Selecting A Selecting
Activ ctiv
eLane Chang e
Lane Chang eAssist e
Assist
Multimedia system:
4 © 5
Settings 5
Assistance
5 Active LaneChange Assist #
Select thefunction . AA
ctiv ctiv
eBr e
Br ak ak
eAssist e
Assist FF
unction ofA unction
ofActiv ctiv
eBr e
Br ak ak
eAssist e
Assist
Ac tiveBr ak eAssi stcons istsofthefo llo wing func-
tions:
R Dist ance warning function
R Autonomo usbrak ing functi on
R Situa tion-d ependent brak ing assist anc e R
V V
ehi cleswit ehi
cleswit hDr h
Dr iving Assist iving
Assistanc eP anc
ePac k ac
kag ag
e: e:
Eva-
siv eSt eer ing Assist andcorner ing function
Ac tiveBr ak eAssi stcan help youto minimiz eth e
ri sk ofacolli sion withve hicles, cyclis tsor pedes-
tr ians ortoreduce thee.ect sof suc hacollision.
If Ac tiveBr ak eAssi sthas detected arisk ofcolli -
sion ,a wa rning tone sou nds and theL dis-
ta nce warning lamplights upintheinst rument
clust er.
V V
ehicles wit ehicles
withPRE- S h
PRE- SAFE AFE
® ®
: :
dependi ngon thecoun-
tr y, an addit ionalhap ticwarning occur sin the
fo rm ofslight, repeat edtensio ning oftheseat
belt.
If yo udo notre act tothewa rning, autonomous
br aking canbeinitiat edincritical situations.
In especia lly cr itical situations, ActiveBr ak eAssi st
can initiat eaut onomo usbraki ng directl y.In this
case, thewa rning lampand warning tone occ ur
sim ultaneo uslywit hth ebr aking application.
If yo uappl yth ebr ak eyo urself inacr itical situa-
tion orappl yth ebr ak edur ing autonomous brak -
ing, <0054004A0055005600420055004A0050004F000E0045004600510046004F0045
0046004F0055> braking assistance occur
s.The brak epr essur eincr eases uptomaxi-
mum full-sto pbr aking ifnecessar y.
Obser vetheno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page190 ). If
aut onomo usbraking orsituat ion-depen dent
br aking assistancehasoccur red, displa y1
appear sin theInstr ument Displayand then aut o-
maticall ygoes outaTer ashor ttime.
If th eaut onomous braking function orthesitua-
tion-dependen tbr aking assistanceistrigg ered,
additional prev entiv emeasur esforoccupant pro-
te ction (PRE-SAFE®
)ma yalso beinitiat ed. 214214
Dr
iving andparking
&
W W
ARNI NG ARNI
NGRisk ofan accid ent cause dby
limit eddetection perform ance ofActive
Br ak eAssi st
Ac tiveBr ak eAssi stcanno talw aysclear lyiden-
tify objects andcomplextra1c situations.
In suc hcases ,Ac tiveBr ak eAssi stmight :
R Giveawa rning orbrak ewit hout reason
R Notgiv eawa rning ornotbr ak e
Ac tiveBr ak eAssi stisonl yan aid. Thedriver is
re sponsi bleformaint aining asu1cien tly saf e
dist ance totheve hicle infront ,ve hicle speed
and forbr aking ingood time. #
Alwayspa ycar eful att ent ion tothetra1c
situation; donotre ly on ActiveBr ak e
Assi stalone . #
Beprepar edtobrak eor swerve ifneces-
sar y. Also
observe thesy stem limits ofActiveBr ak e
Assi st. The
individu alsubfunc tionsar The
individu alsubfunc tionsareav e
av ailabl ein v ailabl
ein var ar
i- i-
ous speed r ous
speed rang ang
es: es:
The distance warning function canissue awa rn-
ing inthefo llo wing situations:
R From appr oximat ely4 mp h(7 km /h),ifyo ur
ve hicle iscriticall yclose toave hicle, cyclis tor
pedes trian, youwill hear anintermitt entwarn-
ing tone and theL distance warning lamp
lights upintheinst rument cluster.
V V
ehicles wit ehicles
withPRE- S h
PRE- SAFE AFE
® ®
: :
dependi ngon the
count ry,an addit ionalhap ticwarning occur s
in thefo rm ofslight, repeat edtensio ning of
th eseat belt.
Br ak eimmediat elyor take evasiv eactio n,prov i-
ded itis saf eto do soand thetra1c situation
allo wsthis.
Dist Dist
ance w ance
war ar
ning function (v ning
function (vehicles wit ehicles
without Dr hout
Driv- iv
-
ing Assist ing
Assist anceP ance
Pac k ac
kag ag
e) e)
The distance warning function canaidyouin the
fo llo wing situations withan intermitt entwarning
to ne and awa rning lamp:
R atspeeds uptoappr oximat ely155 mph
(2 50 km/h) whenapproaching vehicles ahead R
atspeeds uptoappr oximat ely50 mph
(80 km/h )when approaching station aryve hi-
cles, movingpedes trians, andcyclis tsahead
R atspeeds uptoappr oximat ely37 mph
(60 km/h )when approachingcr ossin gcy clis ts
Dis t Dis
tance w ance
war ar
ning funct ion (v ni
ng funct ion (vehicl eswit ehicl
eswithDr h
Dr ivin g iv
in g
Assi st Assi
stance P ance
Pac k ac
kag ag
e) e)
The distance warning function canaidyouin the
fo llo wing situations withan intermitt entwarning
to ne and awa rning lamp:
R atspeeds uptoappr oximat ely155 mph
(2 50 km/h) whenapproaching vehicles ahead
R atspeeds uptoappr oximat ely62 mph
(100 km/h )when approaching station ary
ve hicles
R atspeeds uptoappr oximat ely50 mph
(8 0km/h) whenapproaching moving pedes-
tr ians andcyclists ahead
R atspeeds uptoappr oximat ely43 mph
(70 km/h )when approaching station ary
pedes trians, crossing vehicles andstation ary
and crossin gcy clis ts Dr
iving and parking
215 215