
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

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 ad.
R Ther eis glar e, e.g .fr om oncom ingtraf fic,
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,or several,unc lear lane markingsare
pr esen tfo rone lane, orthemar king sch ang e
qu ickl y, forex am ple, inacon stru ction area
or intersecti ons.
R The lane mar kings arewo rnaw ay,dar kor
co veredup, e.g. bydirtor sno w.
R Ifth edis tance totheve hicle infront istoo
shor tand thus thelane marking scann otbe
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 tcur vesand when turning.
R When crossing intersections.
R Atround about sor tollst atio ns.
R When thetir epr essur eis toolow. &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyst ops func‐
tionin g
If th esy stem limits ofActiveSt eer ing Assis t
ar ere ac hed ther eis no guar anteethat the
sy 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
The detection oflane mar kings andobje cts
ma ymal functi onand causeune xpect ed
st eer ing interve ntio ns. #
Steer accor dingtotraf fic condi tions. Ac
tiv atin g/deac tivatin gAc tiv eSte ering
Assis t
Re quirement s:
R ESP®
is act ivat ed, but isno tint erve ning .
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
Multimedia system:
4 © 5
Set ting s5
Quick Access #
Select 004FSteering Assist. Fu
nction ofActiv eLan eCha ngeAs sist Ac
tiveLa ne Chang eAssi stsuppor tsthedr iver
when chang inglane sby appl ying steer ing torq ue
if th edr iver oper ates atur nsignal indicat or. Dr
iving andparking 19
3

Obser
vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 172).
Assi stanc ewhen chang inglane sis prov ided ifall
th efo llo wing condition sar eme t:
R Youar edr ivin gon afree wa yor road with
mult iplelane sin thedir ect ion oftrav el.
R The neighbor inglane issepar ated byabr o‐
ke nlane ma rking.
R Novehicle isde tected intheadjacen tlane.
R The driven speed isbe tween 50mph
(80 km/ h)and 110mp h(1 80 km/h) .
R ActiveLa ne Chang eAssi stisswitc hedonin
th emultimedia system.
R ActiveSt eer ing Assis tis activ ated and activ e.
If no vehicle isde tected intheadjacen tlane and
a lane chang eis per mitted, thelane chang e
begin saf te rth edr iver has activ ated thetur nsig‐
nal indicat or.This issho wntothedr iver wit ha
gr een arro w ne xt to the± steer ing wheel
symbol. TheLane Change tothe Leftmessag e,
fo rex am ple, also appear s.IfAc tiveLa ne Chang e
Assi sthas been activated withth etur nsignal indicat
orbut alane chang eis no timm ediat ely
poss ible, agr ay arrow appear sne xt to the±
st eer ing wheel symbol, whichre mains green.
When thelane chang eassis tance star ts,th etur n
signal indicat orisaut omaticall yactiv ated along
wit hth edispla yin themultifunc tiondispla y.
If th eassis tance grap hicis sho wnwhen chang ‐
ing lane s,thelane chang edispla yappear swit h
an addit ionalarrow point ingtowa rdsth eadja‐
cent lane(/page18 5)
If alan ech ang eis no tposs ible, thear row is
fa ded outafte ra fe w sec ond sand ane wlane
ch ang emus tbe init iated. Animm ediat elane
ch ang eis on lypossible onfree wa ysec tion s
wit hout speedlimi ts.
If th esy stem isim pair ed,ActiveLa ne Chang e
Assi stma ybe canceled .The Lane Change Can-
celed messa geappear sin themultifunc tiondis‐
pla y.
In addi tion, awa rning tone maysou nd. &
WARNIN GRisk ofacci dent whench ang ‐
ing lane toan occ upied adjacentlane
Lan eChan geAssi stcanno tal wa ys cle arly
de tect 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. 19
4
Driving and parking

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 e19 1).
The system mayalso beimpair edorma yno t
func tion inthefo llo wing situat ions:
R The sensorsin there ar bum peraredir ty,
damag edorcoveredby ast icke ror ice and
sno w,forex am ple.
R The exterior lighting showsadef ect.
% The ActiveLa ne Chang eAssi stsensor s
adjus taut omaticall ywhile acer tain dis tance
is be ing driven afte rth eve hicle hasbeen
deliv ered. ActiveLa ne Chang eAssi stis
una vailable oronl ypar tiall yav ailable during
th is teac h-in proce ss;noarro w appear sne xt
to theØ ActiveSt eer ing Assis tsymbol
when thetur nsignal indicat orisactiv ated. Ac
tiv atin g/deac tivatin gAc tiv eLan eCha nge
As sist Multimedia
system:
4 © 5
Set ting s5
Assist ance
5 Act ive Lane Change Assist #
Activateor deacti vate thefunc tion. Fu
nction ofActiv eEme rgency Stop Assis t If
th esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableper iod of
time orhas remo vedth eir hands from thesteer‐
ing wheel, display1 appear sin themultifunc ‐
tion displa y.Ifth edr iver still does notst eer the ve
hicle, orgiv es no conf irmation tothesy stem,
a wa rning tone sou nds inad ditio nto thevisual
wa rning mess age.
If th edr iver still does notre spond tothewa rn‐
ing, theBeginn ingEmer gencySt op messag e
appear sin themultifunc tiondispla y.Ifth edr iver
st ill does notre spond, ActiveDis tance Assist
DIS TRONI Creduces thespeed. Thevehicle is
deceler 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, anemer 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 Dr
iving andparking 19
5

Sy
stem limit s
Pa rking AssistPA RK TRONI Cdoes notne cessa‐
ri ly take intoacc ount thefo llo wing obstacle s:
R Obs tacle sbel ow thede tection rang e, e.g .
pe rsons, animals orobject s.
R Obs tacle sab oveth ede tection rang e, e.g .
ove rhang ingloads, overhang sor loadin g
ra mp sof truc ks.
The sensor smus tbe free ofdir t,ice and slush.
Ot her wise, they ma yno tfunction correctly .
Cl ea nth esensor sre gular ly,especially afte rdr iv‐
ing off-r oad ,ta king careno tto scr atc hor dam‐
ag eth em. Pr
oblems withPa rking Assis tPA RK TRONI C Ex
am ple: vehicles withsur round viewcam era
When rear segm ents1 orall-r oundsegm ents
2 light upredand theé symbol appearsin
th emultifunc tiondispla y,Pa rking Assist
PA RK TRONI Cma yha ve been deactiv ated due to
signal interfere nce. Startth eve hicle again and
ch eckif Pa rking AssistPA RK TRONI Cis wo rking
at adif fere nt locati on. If
awa rning tone also sou nds forapp roxima tely
tw ose co nd seve rytim eth eve hicle isstar ted, it
ma ybe due toone ofthefo llo wing causes:
R Thesensor sar edir ty:clean thesensor s
and obser vetheno teson car eof vehicle
par ts(/ page280).
R Parking Assis tPA RK TRONI Chas been
deac tivated due toamalfunc tion:re star t
th eve hicle. Ifth epr oblem persists, con sult a
qu alif ied spec ialistwo rkshop.
Fu nction ofthepa ssiv eside impact protec‐
tion
Pa ssiv eside impact protect ion isan additional
Pa rking AssistPA RK TRONI Cfun ction whic h
wa rnsth edr iver about obstacle sat theside of
th eve hicle. Awa rning isissued whenobstacle s
ar ede tected between thefront and rear detec‐
tion rang e. In orde rfo ran object ontheside to
be detected, thesensor sin thefront and rear
bum permus tfirs tde tect theobjec twhile you
ar edr ivin gpas tit.
Dur ing thepar king procedur eor when maneu‐
ve ring, objects arede tected astheve hicle drives
pas t.Ifyo usteer inthedir ect ion ofade tected 200
Driving and parking

Opening
thecam eraco verof the rear vie w
camer a
Mul timedi asy stem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Select OpenCamera Cover.
% The camer aco vercloses automatical lyafte r
some timeorafte ran ignitio ncy cle. Ac
tiv ePa rking Assis t Fu
nction ofActiv ePa rking Assis t
Ac tivePa rking Assistis an elect ronic parking
assis tance system that aut omat icallysear ches
fo rand measu respar king spaces onboth sides
of theve hicle when trave ling forw ards up to
appr ox.22 mph(35 km/h).
Ve hicl eswith automatic transmiss ion:Ac tive
Pa rking Assistpr ov ides assis tance when chang ‐
ing gear,acc elerating ,br akin gand steer ing the
ve hicle.
If all requ iremen tsareme t,th eÇ displa y
appear sin themultifunc tiondispla y.The system
th en independen tly locat esand measur espar al‐ lel
and perpendicular parking spaces onboth
sides oftheve hicle.
When ActivePa rking Assisthas detected parking
spaces ,th eÈ displa yappear sin themulti‐
func tion displa y.The arro ws sho won whic hside
of thero ad detected parking spaces arelocat ed.
The yar eth en sho wninthemedia display.The
par king space and,ifnecessar y,thepar king
dir ect ion can beselect edasdesir ed.Active
Pa rking Assistcalc ulatesasuit able vehicle path,
switc hesonthetur nsignal indicat orand assis ts
yo uin par kingand exitin gth epar king space.
Ac tivePa rking Assistis onl yan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at no
per son s,anim alsorobj ect set c. arein the
maneu vering rang e.
If one ofthefo llo wing actions iscar ried out,
Ac tivePa rking Assistis can celed:
R Parking AssistPA RK TRONI Cis deac tiva ted.
R Youbegin steer ing.
R Youappl yth epar king brak e. R
Vehicl eswith automatic transmiss ion:
yo uen gage trans missi on positio n005D.
R ESP ®
int erve nes.
R Youopen thedoor sor theta ilg atewhile driv‐
ing.
Sy stem limit s
Obj ectslocat edabo veorbelo wthede tection
ra ng eof thesensor s,e.g. overhanging loads,tail
sect ions orloading ramp sof goods vehicles, or
th ebor dersof par king spaces, areno tde tected
du ring mea surement ofthepar king space. These
ar ealso then notta ke nint oacco untwhen calcu‐
la ting thepar king procedur e.In some circum‐
st anc es,ActivePa rking Assistma yth er efor e
guide youint oth epar king space incorrectly . 208
Driving and parking

The
media displaysho wsthevie wof ActivePa rk‐
ing Assist. Ar ea 2 displa ysdetected parking
spaces 4and vehicle path3.
% Vehicle path3 shownonthemedia display
ma ydif ferfr om theactual vehicle path. #
Ifapar king space isdispla yed: stop theve hi‐
cle. #
Select desiredpar king space 4and con‐
fi rm . #
Ifnecessar y,select thepar king direct ion: for‐
wa rdsor reve rse, and confirm .
Ve hicle path3 issho wn, depending on
select edpar king space 4and thepar king
dir ect ion. %
The turnsignal indicat orisswitc hedonaut o‐
maticall ywhen thepar king procedur e
begins.
Yo uar ere sponsible forsele cting thetur nsignal
indicat orinaccor dance withth etraf fic condi ‐
tions .If neces sary,select thetur nsignal indica‐
to raccor dingly. &
WARNIN GRisk ofacci dent dueto vehi‐
cle swinging outwhile parking orpulli ng
out ofapar king space
While parking orexitin gapar kingspace, the
ve hicle swings outand candrive ont oar eas
of theonc oming lane.
This could cause youto coll ide wi th object s
or other road user s. #
Payatt ention toobject sand other road
user s. #
Wher enec essar y,stop theve hicle or
cancel thepar king procedur ewit h
Ac tivePa rking Assist. #
If,forex am ple, thePlease Engage Reverse
Gear messag eappear sin themedia display: select
thecor responding transmission posi‐
tion.
Ve hicl eswith automatic transmiss ion:
The vehicle drives intoth eselect edpar king
space.
% During thepar king procedur ewit hAc tive
Pa rking Assist, th elane marking sar edis‐
pla yedin green inthecamer aimag e.
On com pletion ofthepar king procedur e,the
Ø Parking AssistFinished, TakeContr olof
Vehicle displaymessag eappear s.Fu rther
maneuv ering mayst ill be nec essar y. #
Aftercom pletion ofthepar king procedur e,
saf eguar dth eve hicle agains tro lling away.
When requ ired bylegalrequ iremen tsor local
con dition s:tur nth ewheels towa rdsth ecurb.
% Youcan stop theve hicle andchang eth e
tr ans missi on positio ndu ring thepar king pro‐
cedur e.The system then calculat esane w
ve hicle path.Ifno newvehicle pathis availa‐
ble, thesy stem can chang eth etransmission
position again orcanc elthepar king proce‐
dur e. 21
0
Driving and parking

Exit
ingapa rking spacewit hAc tiv ePa rking
Assis t
Re quirement s:
R The vehicle hasbeen parkedwit hAc tive
Pa rking Assist.
Please note that youar ere sponsible forth eve hi‐
cle and surround ingsdur ing theent ire par king
pr ocedur e. #
Startth eve hicle. #
Press butt on1.
The media displaysho wsthevie wof Active
Pa rking Assist. #
Ifth eve hicle hasbeen parkedper pendicular
to thedir ect ion oftra vel:in area 2, selec t
dir ect ion oftra vel3 Left orRight .
% The vehicle pathsho wnonthemedia display
ma ydif ferfr om theactual vehicle path. #
Conf irm dir ection ofexit3 todrive out of
th epar king space.
% The turnsignal indicat orisswitc hedonaut o‐
maticall ywhen theex itin gpr ocedur ebegin s.
Yo uar ere sponsible forsele cting thetur nsignal
indicat orinaccor dance withth etraf fic condi ‐
tions .If neces sary,select thetur nsignal indica‐
to raccor dingly. Dr
iving and parking 21
1