Page 185 of 446

Oper
ating cruise contr ol #
Press thero ck er switc hon thesteer ing
wheel control panel upordown tothe
desir edposition .
Ac tiv atin gcr uis eco ntr ol #
Select M with theright rock er switc h.
Ac tiv atin gcr uis eco ntr ol #
Press rock er switc h1 upM ordown
N.
The current spe edisstor ed and maint ained
by theve hicle.
or #
Select Jwithth elef tro ck er switc h.
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 rent vehicle speed isstor ed.
% When youswit choffth eve hicle, thelas t
speed stor ed isclear ed.
Incr easing/decr easingthesto redspe ed #
1mp h(1 km/h) :pr ess rock er switc h1 up
M ordown N tothepr essur epoint .
or #
5mp h(1 0 km/h) :pr ess rock er switc h1 up
M ordown N beyond thepr essur e
point .
or #
Accel erateth eve hicle tothedesir edspeed
and press rock er switc h1 upM.
Ad opting ade tected spee d #
Activatecr uise contr olor theva riable limiter. #
Ifatraf fic sig nha sbee nde tected and isdis‐
pl ay ed intheins trument cluster: select J
wit hth elef tro ck er switc h.
The maximum permissible speedshownby
th etraf fic sig nis stor ed and theve hicle
maint ainsordoes notexc eed this speed.
Deactiv ating cruise contr ol #
Selec tO withth elef tro ck er switc h.
Deactiv atingcruise contr ol #
Select Nwithth eright rock er switc h.
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, cruise contr olisde acti vated. DSR
(Downhill Speed Regulat ion) Fu
nction ofDSR (Downhill Speed Regulat ion)
DS Ris an aid toassis tyo uwhen drivin gdo wn‐
hill. Itke eps thespeed oftrav el at theselect ed
ta rget speed. Thesteeper thedo wnhill gradient,
th egr eat ertheDS Rbr aking effect on theve hi‐
cle. Onflat stre tche sof road and uphill gradi‐ Dr
ivin gand parking18
3
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ent
s,theDS Rbr ak es theve hicle minimally or
no tat all.
When DSRisactiv ated and thetransmission isin
position 005B,005Eor005C, DSRcon trols thedr iving
speed. Thetarget speed canbesetto ava lue
be tween 1mp h(2 km/h) and11mp h
(1 8 km/ h).Bybraking oracceler ating,youcan
dr ive at ahigh eror lowe rspee dth an theta rget
speed atanytime.
DSR isdeactiv ated aut omaticall yif yo udr ive at
spee dsgreat erthan 28 mph(45 km/h) orselect
dr ive pr ogr am C. Theî Offmessag e
th en appear sin themultifunc tiondispla y.The
st atus indicat orinthemultifunc tiondispla ydis‐
appear s.Yo ualso hear awa rning tone.
No teson DSR &
WARNIN GRisk ofskid ding and accident
whe nDSR isacti vatedon slipper yro ad
sur faces
If th edr iven speed andtheta rget speed dif‐
fe r, th ewheels maylose traction . #
Take intoacc ount thero ad sur face and
th edif fere nce betwee nth edr iving speed
andtarget speed beforeactiv at‐
ing DSR. Obser
vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 172).
Yo uar ealw aysre sponsible forke eping control of
th eve hicle andforasse ssing whether thedo wn‐
hill gradient canbenego tiated. Depen dingon
ro ad sur face and tires, DSR mayno tal wa ys be
able tokeep totheta rget speed. Selectata rget
speed suitable forth een vironmen talcon dition s
and also applyth ebr ak es yourself ifre qu ired.
Ac tiv atin gor deac tivatin gDS R(D ow nhill
Speed Regulat ion)
Re quirement s:
R Youar edr ivin gat 25 mph(40 km/h) or
slo wer.
If th ecur rent vehicle speed istoohigh, the
Max. Speed 24mph messag eappear sin the
multifu nctiondisplay.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted. Multimedia
system:
4 © 5
Set ting s5
Quick Access #
Select î.
A status displa yappear sin themultifunc tion
displa ywhen thefunc tion isactiv ated.
Changing thetar getspe ed 18
4
Driving and parking
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#
Toincr ease/r educethetar getspe ed:
pr ess rock er switc h1 upM ordown
N tothepoint ofresis tance.
The select edtarget speed increases or
decr eases by1mp h(1 km/h) andappea rs
alon gwit hth eî symbol inthemultifunc ‐
tion displa y. 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 ismai n‐
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 dusing the
st eer ing wheel.
Av ailable speedra ng e:
R Vehicl eswithout Drivin gAss istanc ePa ck‐
ag e:15 mp h(20 km/h) -12 0mp h
(200 km/h) R
Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:15 mp h(2 0km/h) -13 0mp h
(2 10 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)
R Initi at es acc eleration 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:
- React sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les)
- Take sone-sided overtakin gre strictions
int oacco untonhighwaysor on multi-lane
ro ads withsepar atero adw ays(countr y-
dependen t)
Ve hicl eswith Activ ePa rking Assis tand Driv‐
ing Assis tance Packag e:ifth eve hicle has
been brak ed toast ands tillon mult i-lane,sepa‐ ra
te roadw aysby ActiveDis tance Assist
DIS TRONI C,itcan automatical lyfollo wtheve hi‐
cle infront, driving offag ain within 30seconds.
If acr itical situation isde tected whe ndr ivi ng off,
a vis ualand acoustic warning isgiv en indic ating
th at thedr iver mus tno wtake contr olof theve hi‐
cle. The vehicle isno tacceler ated anyfur ther.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 172). Dr
iving andparking 18
5
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Ac
tiv eDi stance AssistDI ST RO NIC displa ysin
th eins trum ent clus ter Assi
stanc egraphic
1 Route-based speedadap tatio n:typ eof route
eve nt(/ page 190)
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 ActiveLa ne Chang eAssi stlane chang edis‐
pla y Pe
rm anen tst atus displa yof Activ eDi stance
Ass istDI ST RO NIC
R k (white ):Ac tiveDis tance Assist
DIS TRONI Csel ect ed,sp eci fied distance set
R k (green): ActiveDis tance Assist
DIS TRONI Cacti ve,specif ieddistance setand
ve hicle detected
R r: Route-based speedadap tatio nacti ve
( / pag e19 0).
The stor ed speed issho wnalong withth eper‐
manen tst atus displa yand highlight edon the
speedome ter.When ActiveDis tance Assist
DIS TRONI Cis pa ssi ve,th espeed isgray ed out.
% 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 Suspen dedmessag e
appear sin themultifunc tiondispla y. Ac
tiv eDi stance AssistDI ST RO NIC displa yin
the speedo meter
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, thesegmen tsin
th espeedome terlig ht up. Deactiv ationofActive
Dis tance AssistDIS TRONI C,as wellas altera‐
tion sto thespeed duetomanua lor automatic
adop tionofthemaximum permissible speed,are
displa yedin thecon trol feedbac kof themulti‐
func tion displa yon asing leline.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions,fo rex am ple:
R Insnow ,ra in, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringrea tly varying
ambien tlight .
R Ifth er eis swir ling dust,e.g. when driving off-
ro ad oron san dysur faces.
R The windsh ield inthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered. 18
6
Driving and parking
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R
Inpar king garage 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 tan ceAssi stDIS 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
consider ablyfa ster 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. #
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% ofthepossible
deceler ation.Ifth is decele ratio nis no tsu ffi‐
cien t,Ac tiveDis tance AssistDIS TRONI C
al er ts youwit havis ual and acoustic warning. #
Adjus tyo ur spee dand main tain asuit a‐
ble distance from theve hicle infront. #
Brak eth eve hicle yourself and/or take
ev asiv eact ion. &
WARNIN GRisk ofacci dent ifde tection
functi onofActiveDis tance Assist
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 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. Dr
iving and parking 18
7
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R
The driver's door isclosed.
R Chec kof thera dar sensor system has been
success fullycompleted.
R Parking AssistPA RK TRONI Cis no tbein g
used topar kth eve hicle ortoexitfrom a
par kingspace.
R DSRis deact ivat ed. #
Tooper ateAc tiv eDi stance Assist
DI ST RO NIC :press thero ck er switc hon the
st eer ing wheel control unit upordown tothe
desir edposition .
Ac tiv atin g/deac tivatin gAc tiv eDi stance
Ass istDI ST RO NIC #
Press theH button.
Ac tiv atin gAc tiv eDi stance AssistDI ST RO NIC #
Toactiv atewi thout ast or ed speed :pr ess
ro ck er switc h1 upM ordown N, or
select Jwithth elef tro ck er switc h.
or #
Toactiv atewi th ast or ed speed :selec t
J withth elef tro ck er switc h. #
Remo veyour foot from theacceler ator pedal.
The current spe edisstor ed and maint ained
by theve hicle.
Ad opting ade tected spee dlim it #
ActivateAc tiveDis tance AssistDIS TRONI C. #
Ifatraf fic sig nha sbee nde tected and isdis‐
pl ay ed intheins trument cluster: select J
wit hth elef tro ck er switc h.
The maximum permissible speedonthetraf‐
fi c sig nis ad op tedas thestor ed speed. The
ve hicle adaptsits speed tothat oftheve hicle
in front, butonlyup tothestor ed speed.
Pulling away wit hAc tiv eDi stance Assist
DI ST RO NIC #
ActivateAc tiveDis tance AssistDIS TRONI C
and remo veyour foot from thebr ak epedal. #
Select Jwithth elef tro ck er switc h.
or #
Depr esstheacceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveDis tance Assist
DIS TRONI Cconti nuetobe car ried out.
Deactiv atingActiv eDi stance Assist
DI ST RO NIC 18
8
Driving and parking
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&
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. #
Select Owithth elef tro ck er switc h.
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, ActiveDis tance Assist
DIS TRONI Cis de acti vated.
Incr easing ordecr easing thespeed #
1mp h(1 km/h) :pr ess rock er switc h1 up
M ordown N tothepr essur epoint .
or #
5mp h(1 0 km/h) :pr ess rock er switc h1 up
M ordown N beyond thepr essur e
point .
or #
Accel erateth eve hicle tothedesir edspeed
and press rock er switc h1 upM.
Changing thespecif ieddistance totheve hi‐
cle infront #
Toreduce thespecified distance: press
th eright rock er switc hup (Ñ). #
Toincr ease thespecif ieddistance: press
th eright rock er switc hdo wn (Ò). Fu
nction ofActiv eSpe edLimit Assist If
speed limitch ang ebe tween 12mp h
(20 km/ h)and 80mph(1 30 km/h) isde tected
and theaut omatic adoptionofspeed limitsis
activ e,itwill beaut omaticall yadop tedas the
st or ed speed (/page21 6).
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.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 172).
Sy stem limit s
The system limits ofTraf fic Sign Assistappl yto
th ede tection oftraf fic sig ns (/ page 215).
Spee dlimits below 12mp h(2 0km/h) areno t
au tomatical lyadop tedby thesy stem asthe
st or ed speed. Temp orar yspeed restrictions (e.g. Dr
iving and parking 18
9
Page 192 of 446

fo
ra cer tain tim eor due towe ather condition s)
can notbe proper lyde tected bythesy stem. The
maximum permissible speedapplying toave hi‐
cle withatrailer isno tde tected bythesy stem.
Ad jus tth espeed inthese situation s. &
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 atspee dlimit sbelo w12 mp h(20 km/h)
R inwe tcond itions orinfog
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 When
ActiveDis tance AssistDIS TRONI Cis acti ‐
va ted, theve hicle speed willbeadap 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 speedadap tatio ncan beconf ig‐
ur ed inthemultimedia system (/ page19 1).
Th efo llo wing routeeve nts areta ke nint o
acco unt:
R Curves
R T-int ersect ions,ro und about sand tollst atio ns
R Turnsand exits
R Traf fic jams ahead(only with Liv eTraf fic )
% Whe nth eto 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,ro und ‐
about sand traffic 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.
Speed adaptatio nis canc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedoff
bef oreth ero uteeve nt. 19
0
Driving and parking