#
Dep ress theacceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveDis tan ceAssi st
DIS TRONI Cconti nuetobe car ried out. &
WARNIN GRisk ofacci dent dueto Active
Dis tance AssistDIS TRONI Cstill being
act ivat ed when youlea vethedr iver's
seat
If yo ulea vethedr iver's seat while theve hicle
is being brak ed byActiveDis tan ceAssi st
DIS TRONI Conly ,th eve hicle canrollaw ay. #
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secureth eve hi‐
cle topreve ntitfrom rolling away
bef oreyo ulea vethedr iver's seat. #
Todeac tivateAc tiv eDi stance Assist
DI ST RO NIC :press rock er switc h4 down
(CNCL). #
Toincr ease/r educespeed:pr ess rock er
switc h3 up(SET +)or down (SET -)to the
pr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)to thepr essur epoint andhold.
The stor ed speed isincr eased orreduced in
incr ement sof 1mp h(1 km/h).
or #
Press rock er switc h3 up(SET +)or down
(SET -)be yond thepr essur epoint .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)and hold beyond thepr essur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof 5mp h(1 0 km/h). #
Toincr ease orreduce thespecified dis‐
tance from theve hicl ein front :pr ess
ro ck er switc h2 upordown. Fu
nction ofActiv eSpe edLimit Assist %
The follo wing function iscoun try- dependen t
and onlyav ailable incon junction withth e
Dr iving Assi stanc ePa ckag e. If
ach ang ein thespeed limitisde tected and
Ac tiveDis tance AssistDIS TRONI Cis acti vated,
Ac tiveDis tance AssistDIS TRONI Cad apts this
ne wspeed asthestor ed speed. 18
2
Driving and parking
The
driven speed isadjus tedwhen theve hicle is
le ve lwit hth etraf fic sig nat thelat est.In the
case ofsig ns indi cati ngentr yint oan urb anarea ,
th espeed isadap tedaccor dingtothespeed
per mitt edwithin theurban area. The speed limit
displa yin theIns trument Displayis alw aysupda ‐
te dwhen theve hicle isleve lwit hth etra ffic sign .
If th er eis no speed restriction onanunlimited
st re tchof road (e.g.on afree wa y), there com‐
mend edspe edisau tomatical lyadop tedas the
st or ed speed. Thesystem uses thespeed stor ed
on anunlimit edstre tchof road asthere com‐
mend edspe ed. Ifyo udo notalt er thestor ed
speed onanunlimit edstre tchof road, there c‐
omme ndedspeedis80 mph(1 30 km/h) .
If Ac tiveDis tance AssistDIS TRONI Cha sbe en
pu tint opa ssi ve mode bypressing theacceler a‐
to rpeda l,onl yspee dlimi tswhi charehigh er
th an these tspeed areadop ted.
Ac tiveSpe edLimi tAssi stisonl yan aid. The
dr iver isresponsible forke eping asaf edis tance
to theve hicle infront, forve hicle speed andfor
br aking ingood time. Themaximum permissible
speed alsodepends onfact or ssu ch asthero ad
sur face and traf fic condi tions. Sy
stem limit s
Te mp oraryspeed restrictions (e.g.fo ra cer tain
tim eor due towe ather condition s)can notbe
pr oper lyde tected bythesy stem. Themaximum
per missible speedapplying toave hicle witha
tr ailer isno tde tected bythesy stem. Inthese sit‐
uations youmus tadj ustyo ur spee dyo urself . &
WARNIN GRisk ofacci dent dueto Active
Spe edLimi tAssi stadap tingth eve hicle's
speed
The speed adoptedby ActiveSpe edLimi t
Assi stma ybe toohigh orincor rect insome
indi vidualcase s,su ch as:
R Inthewe tor infog
R When towing atrailer #
Ensur eth at thedr iven speed complies
wit htraf fic re gulations. #
Adjus tth edr iving speed tosuit current
tr af fic and weather condition s. Fu
nction ofrout e-base dspee dadap tation %
The follo wing function iscoun try- dependen t
and onlyav ailable incon junction withth e
Dr iving Assi stanc ePa ckag e.
When ActiveDis tance AssistDIS TRONI Cis acti ‐
va ted, theve hicle speed willbeadjus tedaccor d‐
ing lyto thero uteev ent sahead. Dependingon
th edr ive pr og ram sele cted, theve hicle negoti‐
at es aro uteeve ntaheadin afue l-saving, com ‐
fo rtable ordynam icman ner.When thero ute
eve nthasbe en passe d,theve hicle acceler ates
ag ain tothestor ed speed. Thesetdis tance to
th eve hicle infront, vehicles detected aheadand
spe edrestrictions aheadar eta ke nint oacco unt.
Ro ute-based speedadj ustm entcan beconfig‐
ur ed inthemultimedia system (/ page18 4).
Th efo llo wing routeeve nts areta ke nint o
acco unt:
R Bend s
R T-int ersect ions,tr af fic cir cle sand tollst a‐
tio ns
R Turnsand exits Dr
ivin gand parking18
3
%
When theto llst atio nis reac hed, ActiveDis ‐
ta nce AssistDIS TRONI Cad op tsthespeed as
th estor ed speed.
Also, thespeed isreduced ifth etur nsignal indi‐
cat ortochang elane sis swit ched on and one of
th efo llo wing situat ionsisde tected:
R Turning offat intersect ions
R Drivin gon slowing- down lanes
R Drivin gon lanes adjacenttoslo wing-do wn
lanes
The driver isresponsible forch oosing theright
speed andobser vingother road user s.This
applies inpar ticular tointersect ions,traf fic cir‐
cle sand traf fic lights, asroute-based speed
adap tatio ndo es notbr ak eth eve hicle toast and‐
st ill.
When routeguidan ceisact ive, thefirs tsp ee d
ad jus tment iscar ried out automaticall y.Ifth e
tur nsigna lind icatoris switc hedon,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated. Speed
adjustmentis canc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedoff
bef oreth ero uteeve nt.
R Ifth edr iver depr esses theacceler ator or
br ak epedal during thepr ocess.
Sy stem limit s
Ro ute-based speedadap tatio ndo es notta ke
ri ght ofwa yre gulations intoaccount .The driver
is responsible forcom plying withro ad traf fic
re gulations anddriving atasuit able speed.
In dif ficul tcondi tions (e.g.uncl earro ads, lane
nar rowing, wetro ad sur faces, snowor ice )or
whe ndr ivi ng with atrailer ,th espeed adjustment
made bythesy stem mayno talw aysbe suit able.
In these situation sth edr iver mus tint erve ne
acco rding ly. &
WARNIN GRisk ofacci dent inspi teof
ro ute-based speedadj ustm ent
Ro ute-based speedadj ustm entmigh tmal‐
fun ction orbe temp orarily una vailable inthe
fo llo wing situat ions: R
Ifth edr iver does notfo llo wthecalcula‐
te dro ute
R Ifmap datais no tup todat eor available
R Inroad con stru ction area s
R Inbadwe ather orroad con dition s
R Ifth eaccelera torpeda lis depr essed
R Intheeve ntofelectr onicallydispla yed
speed limitations #
Adjus tth espeed tothetraf fic situ ation. Se
tting rout e-base dspee dadjus tment Re
quirement s:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
Multimedia system:
4 Vehicle 5
k Assist ance
5 Speed Adjustmen t #
Activate0073 ordeacti vate 0053 thefunc tion. 18
4
Driving and parking
st
eer ing interve ntio nis no tsu fficien tto keep the
ve hicle inthelane ortodrive th ro ugh exits.
The system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R The reispoor visibilit y,e.g. due tosno w,rain,
fo g, hea vyspr ay,gr eatl yva rying ambien t
light orstro ng sha dows onthero adw ay.
R Ther eis glar e, e.g .fr om oncom ingtraffic,
di re ct sunli ght orreflect ions.
R Insuf ficie ntroad illumin ation.
R The wind shieldisdir ty,fo gg ed up, damag ed
or coveredin thevicinit yof thecamer a,e.g.
by ast icke r.
R No, orseveral,unc lear lane markingsare
pr esen tfo rone lane, orthemar king sch ang e
qu ickl y, e.g. inacon stru ction areaorinter‐
secti ons.
R The lane mar kings arewo rnaw ay,dar kor
co veredup, e.g. bydirtor sno w.
R The distance totheve hicle infront istoo
small andthelane marking sth us can notbe
de tected.
R The road isnar row and wind ing. R
Ther ear eobs tacle son thelane orprojec ting
out intoth elane, suchas objec tmar kers.
The system does notpr ov ide assis tance inthe
fo llo wing condition s:
R Ontigh tbends andwhen turnin g.
R When crossin gint ersect ions.
R Attraf fic cir cle sor tollst atio ns.
R When activel ych ang inglane without switch‐
ing onthetur nsignal indicat or.
R When thetir epr essur eis toolow.
Dep endingontheselect edvehicle settin gs,
Ac tiveSt eer ing Assis tma ybe una vailable.
Obser vethest atus displa yof ActiveSt eer ing
Assis tin themultifunc tiondispla y
(/ page18 9). &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlystops func‐
tionin g
If th esy stem limit ations ofActiveSt eer ing
Assis tar ere ac hed ther eis no guar anteethat th
esy stem will remain activeor wil lke ep the
ve hicle inlane. #
Alw ayske ep your han dson thesteer ing
wheel andobser vethetra ffic car efull y. #
Alw aysst eer theve hicle paying atten‐
tion totraf fic condi tions. &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyinterve nes
A ma lfunctio nin thede tection oflane mar k‐
ings andobje ctscan occu r.
This could cause unexpect edsteer ing inter‐
ve ntio n. #
Steer accor dingtotraf fic condi tions. Ac
tiv atin gAc tiv eSte ering Assis t
Re quirement s
R ESP®
mus tbe act ivat ed, but notint erve ning .
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d. 18
6
Driving and parking
&
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
R
Activati ng ordeacti vating ActiveDis tance
Assi stDIS TRONI C Ov
erview ofActiv eDi stance Assist
DI ST RO NIC displa ysintheins trum ent clus‐
te r The
assis tance grap hicand thest atus displa y
sho wthest atus ofthefo llo wing functionsin the
ins trumen tclus ter:
R ActiveDis tance AssistDIS TRONI C
R Route-based speedadap tatio n
R ActiveSt eer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n:typ eof route
eve nt
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 Own vehicle Ac
tiv eDi stance AssistDI ST RO NIC status dis‐
pla yand route-base dspee dadap tation 1
ActiveDis tance AssistDIS TRONI Csel ect ed,
se tsp eci fied distance (numbe rof seg ments
be low theve hicle)
2 ActiveDis tance AssistDIS TRONI Cde acti va‐
te d, speed stor ed Dr
iving andparking 18
9
3
ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, novehicle detected (brigh t
ve hicle symbol)
4 ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, vehicle detected (green vehi‐
cle symbol)
5 ActiveDis tance AssistDIS TRONI Cand route-
based speedadap tatio nacti ve,speed stor ed
% Onhighw aysor high-speed major roads, the
gr een ç vehicle symbol isdispla yedcy cli‐
cally when theve hicle isready topull away.
% Ifyo udepr esstheacceler ator pedal beyond
th ese tting oftheAc tiveDis tance Assist
DIS TRONI C,thesy stem isswitc hedtopas‐
siv emode. Theç Suspende dmessag e
appear sin themultifunc tiondispla y.
Speedome ter
The stor ed speed ishighlight edon thespeedom‐
et er.If th espeed oftheve hicle infront orthe
speed adjustment isless than thestor ed speed
due tothero uteeve ntahead, thesegment sin
th espeedome terlig ht up. Deactiv ationofActive
Dis tance AssistDIS TRONI C,as wellas altera‐
tion sto thespeed duetomanua lor automatic adop
tionofthespeed limit,aredispla yedin the
contr olfeedbac kof themultifunc tiondispla yon
a sing leline.
Ac tiv eSte ering Assis tst atus displa y 1
Gray steer ing wheel: ActiveSt eer ing Assis t
switc hedonand passiv e
2 Green steer ing wheel: ActiveSt eer ing Assis t
switc hedonand activ e
3 Flashing steer ing wheel: prom pttothedr iver
to act ivel ycon firm ortransition from activ e
to passiv est atus ,sy stem limits detected
Dur ing thetransition from activ eto passiv est a‐
tus ,symbo l3 issho wnasenl arge dand flash‐ ing
.On ce thesy stem ispassiv e,symbol 1is
sho wngray inthemultifunc tiondispla y. Fu
nction ofHill StartAss ist Hill
StartAs sis tholds theve hicle fora shor t
time when pulling away on ahill under thefo l‐
lo wing condition s:
R The transmiss ionisin posit ion005Bor005E.
R The elect ric pa rking brak eis released.
This gives youen ough timeto mo veyour foot
fr om thebr ak epedal totheaccelera torpeda l
and depr essitbef oreth eve hicle begins toroll
aw ay. &
WARNIN GRisk ofacci dent andinjury
due totheve hicle rolling away
Af tera shor ttime, HillStartAs sis tno longer
holds theve hicle anditcan rollaw ay. #
Ther efor e, swif tly mo veyour foot from
th ebr ak epedal totheacceler ator
pedal. Neveratt em pttolea vetheve hi‐
cle ifit is being heldbyHillSt artAs sis t. 19
0
Driving and parking
HOLD
functio n HOLD
functio n
The HOLD function holdsth eve hicle atast and‐
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waitin gin traf fic.
The HOLD functionisonly anaid. The responsi‐
bility forth eve hicle safely standi ngstill remains
wit hth edr iver .
Sy stem limita tions
The HOL Dfun ction isonl yint end edtoprov ide
assis tance when drivi ng and isno ta su fficien t
mean sof saf eguar dingtheve hicle agains tro lling
aw ay when statio nary.
R The incline mustno tbe great erthan 30%. Ac
tiv atin g/deac tivatin gthe HOL Dfunc tion &
WARNIN GRisk ofan acci dent dueto the
HOLD functio nbei ng activ ated whe nyo u
lea vetheve hicle
If yo ulea vetheve hicle while onlyth eHOLD
func tion isbraking theve hicle, theve hicle
can rollaw ay inthefo llo wing situat ions:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theacceler ator pedal orbrak e
pedal, e.g.byave hicle occupant. #
Alw aysdeactiv ateth eHOLD function
and secur eth eve hicle agains tro lling
aw ay bef orelea ving theve hicle. Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened. R
The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion.
R The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The transmis sionisin position 005B,005Eor005C.
Ac tiv atin gthe HOL Dfun ction #
Dep ress thebr ak epedal andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin themultifunc tiondispla y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom themultifunc tiondis‐
pla y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d. Dr
iving andparking 19
1