Page 177 of 538

R
Ifapedes trian isno tde tected assuch ,e.g.
due tospecial clothing orother object s.
R Onbends withatight radius.
% The ActiveBr ak eAssi stsensor sadjus taut o‐
matically whileacer tain dis tance isbe ing
dr iven afte rth eve hicle hasbeen delivered.
Ac tiveBr ak eAssi stisuna vailable oronl y
par tiall yav ailable during this teac h-in per iod. Se
tting Activ eBr ak eAs sist Multimedia
system:
4 Vehicle 5
k Assist ance
5 Act ive Brak eAssist
Ve hicl eswithout Drivin gAss istanc ePa ck‐
ag e:The settings canbemade afte rst ar tin gth e
ve hicle.
Ve hicl eswith Drivin gAss istanc ePa ckag e:
The settings canbemade whenth eignition is
switc hedon.
The follo wing settings areav ailable:
R Early
R Medium R
Late #
Select ase tting .
% Your sele ction isretained when theve hicle is
ne xt star ted.
Deactiv atingActiv eBr ak eAs sist
% Itis recomme ndedthat youalw ayslea ve
Ac tiveBr ak eAssi stact ivat ed. #
Select Off.
The distance warning func tion andtheaut on‐
omous braking function aredeactiv ated.
Ve hicl eswithout Drivin gAss istanc ePa ck‐
ag e:When theve hicle isne xt star ted, the
mediu msetting isau tomatical lysele cted.
Ve hicl eswith Drivin gAss istanc ePa ck‐
ag e:Evasi ve Steer ing Assis tis no tav ailable.
When theignition isne xt star ted, the
mediu msetting issele cted automatical lyand
Ev asiv eSt eer ing Assis tis available.
% IfAc tiveBr ak eAssi stisdeact ivat ed, the
00D4 symbol appearsinthest atus barofthe
multifu nctiondisplay. Speed
controlcruise contr ol Fu
nction ofcruise contr ol
Cr uise controlre gulat esthespeed totheva lue
selec tedby thedr iver .
If yo uacc elerat eto ove rtak e, forex am ple, the
st or ed speed isno tdele ted. Ifyo ure mo veyour
fo ot from theacceler ator pedal afte rove rtakin g,
cr uise control will resume speed regulation back
to thestor ed speed.
Cr uise controlis oper ated using thecor respond‐
ing steer ing wheel buttons. Youcan stor ean y
speed above15 mp h(2 0km/h) uptothemaxi‐
mum speed.
If yo ufa ilto adap tyo ur drivin gst yle, cruise con‐
tr ol can neither reduce therisk ofan accident
nor override thelaws ofphysics. Itcan notta ke
int oacc ount road, weather ortraf fic condi tions.
Cr uise contr olisonly anaid. The driver is
re sponsible formaint ainingasaf edis tance to
th eve hicle infront, forve hicle speed, forbr aking
in good timeandforst ay ing inlane.
Displa yson themu ltifunct iondisp lay
The status ofcruise control and thestor ed
speed aresho wninthemultifunc tiondispla y. Dr
iving and parking 17
5
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1
Cruise contro lis selec ted
2 Spee dis save d, cruise control isdeactiv ated
3 Speed issave d, cruise control isactiv ated
% The segmen tsbetween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limit s
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout.
Ch ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By doing
so,youwill mak euse ofthebr aking effect
of theengine. Thisrelie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor .
Ope ratin gcr uis eco ntr ol &
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The driven spe edisat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. #
Toactiv atecr uise contr ol: press rock er
switc h1 up. 17
6
Driving and parking
Page 179 of 538

#
Toactiv atecr uise contr ol: press rock er
switc h2 up(SET +)or down (SET -).
The current spe edisstor ed and maint ained
by theve hicle.
or #
Press rock er switc h3 up(RES).
The lastst or ed speed iscalled upand main‐
ta ined bytheve hicle.
If th elas tst or ed speed hasprev iousl ybeen
dele ted, thecur rently driven spe edisstor ed.
% When youswit choffth eve hicle, thelas t
speed stor ed isclear ed. #
Toincr ease/r educespeed:pr ess rock er
switc h2 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 h2 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 #
Accel erateth eve hicle tothedesir edspeed. #
Press rock er switc h2 up(SET +).
If cr uise control isactiv ated and Traf fic Sign
Assi sthas detected aspe edrestriction signwi th
a max imum permiss iblespee dand this isdis‐
pla yedin theins trument cluster,yo ucan choose
be tween thefo llo wing option s: #
Toadop tth ede tected spee d:press rock er
switc h3 up(RES).
The maximum permissible speedshownby
th etraf fic sig nis stor ed and theve hicle
maint ainsthis speed. #
Todeac tivatecr uis eco ntr ol:
pr ess rock er switc h3 down (CNCL). #
Todeac tivatecr uis eco ntr ol:pr ess rock er
switc h1 down.
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, cruise contr olisde acti vated. Ac
tiv eDi stance AssistDI ST RO NIC Fu
nction ofActiv eDi stance Assist
DI ST RO NIC Ac
tiveDis tance AssistDIS TRONI Cma intains the
se tspeed onfree-f lowing roads. Ifve hicles in
fr ont arede tected, these tdis tance isma in‐
ta ined, ifnec essar y,unt ilth eve hicle comes toa
halt. Thevehicle acceler ates orbrak es depend‐
ing onthedis tance totheve hicle infront and
th ese tspeed. Thespeed anddistance tothe
ve hicle infront arese tand save don thesteer ing
wheel onvehicles without theDr iving Assistance
Pa ckag e, inthera ng ebe twee n15 mp h
(20 km/ h)and 120mp h(200 km/h) and,on Dr
iving andparking 17
7
Page 180 of 538

ve
hicles withth eDr iving Assistance Packag e, in
th era ng ebe twee n15 mp h(20 km/h) and
13 0mp h(210 km/h) .
Ot her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel efficie nt, com‐
fo rtable ordynam ic)(/ page14 5)
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:react sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les).
R Initiates acc eler ation tothestor ed speed if
th etur nsignal indicat orisswitc hedonto
ch ang eto theove rtakin glane .
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:take sone-sided overtakin gre strictions
int oacco untonhighwaysor on multi-lane
ro ads withseparat ero adw ays(countr y-
dependen t).
Ve hicl eswith Activ ePa rking Assis tand Driv‐
ing Assis tance Packag e:ifth eve hicle is
br ak ed toast ands tillon mult i-lane,separat e ro
adw aysby ActiveDis tance AssistDIS TRONI C,
it can automatical lyfollo wtheve hicle infront
dr iving offag ain within 30seconds. Ifacr itical
situation isde tected whe ndr ivi ng off,avis ual
and acoustic warning isgiv en indic atingth at the
dr iver mus tno wtake contr olof theve hicle. The
ve hicle isno tacceler ated anyfur ther.
Ac tiveDis tance AssistDIS TRONI Cis only anaid.
The driver isresponsible forke eping asaf edis‐
ta nce totheve hicle infront, forve hicle speed
and forbr aking ingood time.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringreat lyvarying
ambien tlight .
R The windsh ieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar kingga rage sor on roads withsteep
uphill ordownhill gradients. R
Ifth er ear enar row vehicles infront, suchas
bicy cles ormo torcyc les.
In addition ,on slipper yro ads, brakin gor acc el‐
er atin gcan caus eon eor severalwheels tolose
tr act ion and theve hicle could then skid.
Do notuse ActiveDis tance AssistDIS TRONI Cin
th ese situation s. &
WARNIN GRisk ofacci dent from acce ler‐
ati on orbraki ng byActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cma yacc el‐
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsaway usin gAc tiveDis ‐
ta nce AssistDIS TRONI C.
R Ifth estor ed speed iscalled upand is
considera blyfaster or slo werth an the
cur rently driven spe ed.
R IfAc tiveDis tance AssistDIS TRONI Cno
lo ng er detects ave hicle infront ordoes
no tre act toreleva nt objects. 17
8
Driving and parking
Page 181 of 538

#
Alw ayscar efully observethetraf fic con‐
di tions andbeready tobrak eat all
times. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. &
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntdece lera tio nby ActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cbrak es
yo ur vehicle withup to50% ofthemaximum
possible deceleration.Ifth is decele ratio nis
no tsu fficien t,Ac tiveDis tance Assist
DIS TRONI Caler ts youwit havis ual and
aco ustic warning. #
Inthese cases, adjustyo ur spee dand
ke ep asuf ficie ntdist anc e. #
Brak eth eve hicle yourself and/or take
ev asiv eact ion. &
WARNIN GRisk ofacci dent ifde tection
functi onofActiveDis tan ceAssi st
DIS TRONI Cis impai red
Ac tiveDis tance AssistDIS TRONI Cdo es not
re act orhas alimit edreact ion:
R when drivin gon adif fere nt lane orwh en
ch ang inglane s
R topedes trians, animals, bicycles orsta‐
tio nar yve hicles, orune xpect edobs tacle s
R tocom plex traf fic condi tions
R tooncom ingvehicles andcrossing traf fic
As are sult, ActiveDis tance Assist
DIS TRONI Cma ynei ther giv ewa rnings nor
int erve ne insuch situations. #
Alw aysobser vethetra ffic con dition s
car efull yand react accordin gly. Oper
ating Activ eDi stance AssistDI ST RO NIC
Re quirement s:
R The vehicle hasbeen star ted.
R The elect ric pa rking brak eis released.
R ESP®
is act ivat ed and isno tint erve ning . R
The trans mis sion isin po sitio n005B.
R The driver' sdo or isclo sed .
R The checkof thera dar sensor system has
been success fullycom pleted(vehicle travel‐
ing faster than 12 mp h(2 0km/h))
R Parking AssistPA RK TRONI Cis no tbein g
used topar kth eve hicle ortoexitfrom a
par kingspace.
R The vehicle does notskid. Dr
iving andparking 17
9
Page 182 of 538

#
Toactiv ate/ deacti vate Activ eDi stance
Ass istDI ST RO NIC :press button 1. #
Toactiv ateAc tiv eDi stance Assist
DI ST RO NIC :press rock er switc h3 up(SET
+) or down (SET -),or press rock er switc h4
up (RES). Remo veyour foot from theacceler‐
at or pedal.
The current spe edisstor ed and maint ained
by theve hicle. or #
Toactiv ateAc tiv eDi stance Assist
DI ST RO NIC with ast or ed speed :pr ess
ro ck er switc h4 up(RES). Remo veyour foot
fr om theacceler ator pedal.
% Bypressing rock er switc h4 upagain, the
speed limitation shownintheins trument
clus terwil lbe ado ptedby ActiveDis tance
Assi stDIS TRONI C. #
Toacc eptth edisp laye dspe edrestriction
when Activ eDi stance AssistDI ST RO NIC
is ac tiv e:press rock er switc h4 up(RES).
The speed limitdispla yedin theins trument
clus teris ado ptedas thestor ed speed. The
ve hicle adaptsits speed tothat oftheve hicle
in front, butonlyup tothestor ed speed. #
Topull away wit hAc tiv eDi stance Assist
DI ST RO NIC :re mo veyour foot from the
br ak epedal andactiv ateAc tiveDis tance
Assi stDIS TRONI C. #
Press rock er switc h4 up(RES).
or #
Depr esstheacceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveDis tance Assist
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 tance Assist
DIS TRONI Conly ,th eve hicle canrollaw ay. #
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secur eth 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). 18
0
Driving and parking
Page 183 of 538

#
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
au tomatic adoptionofspeed limitsisactiv ated,
th ene wspeed isaut omaticall yadop tedas the
st or ed speed (/page21 4). Th
edr iven spee dis adj ustedwhen 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 theaccelera ‐
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
fr om theve hicle infront, forve hicle speed and
fo rbr aking ingood time. Themaximu mper missi ‐
ble spee dals odepe ndsonfact or ssu ch asthe
ro ad sur face and traf fic condi tions. Dr
iving and parking 18
1
Page 184 of 538

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 3).
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 R
Traf fic jams ahead(only with Liv eTraf fic
( / pag e290))
% When theto llst atio nis reac hed, ActiveDis ‐
ta nce AssistDIS TRONI Cad op ts thespeed 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 automatic ally.If th e
tur nsigna lind icatoris swi tched on,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated. 18
2
Driving and parking