
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 e222).
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 226
Driving andparking

R
theOf f-road orOff-road Plus (onlyve hicles
wit hOf f-road package )dr ive pr ogr am has
been select ed
R theignition isswitc hedon
R alldoor sand thehood areclosed
R thetransmission isno teng aged inposition
005D
R ther eis no trailer coupled
R theve hicle isoutdoor s
R thede tected late ra linc linat ionoftheve hicle
mus tno texc eed appr ox.15 °
R thesy stem iswit hin itsoper ating temp era‐
tur e
R theon- boar dvo ltag eis suf ficie ntly high
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Offr oad Assist ant
Re covery mode
Re covery mode assiststh edr iver when pulling
aw ay on rough terrain, suchas san dor snow . #
Select Recove ryMod e. #
Select Start .
Re covery mode isactiv ated. #
Select Stoptostop reco very mode.
Re covery mode isau tomatical lydeactiv ated in
th efo llo wing situat ions:
R youar eact uall ytrave ling faster than 9mp h
(1 5 km/ h)
R afte ra ru nning timeof30 seco nds
R itis de tected that an obj ect has hitthe
und erbody oftheve hicle hard
R notall conditions areme t
% Further information onreco very mode
(/ page239) .
Indiv idual wheelcon trol
Individ ualwhee lcontr olenabl estheve hicle leve l
to be setsepar ately foreac hwhee l. #
Select IndividualWheel Ctrl.. #
Setth eve hicle leve lfo rth edesir edwheel.
% Youcan also usetheto uc hdispl aytosetth e
le ve lfo rtw oor mor ewhee lsat thesame
time. #
Select Resettosetall wheels tothedef ault
se tting.
Individual wheelcontrol isaut omatic allydeacti‐
va tedin thefo llo wing situat ions:
R youar etra veling faster than 9mp h
(1 5 km/ h)
R itis de tected that an obj ect has hitthe
und erbody oftheve hicle hard
R notall conditions areme t
% Further information onindividua lwheel con‐
tr ol (/ page24 0). Pa
rking Assis tPA RK TRONI C Fu
nction ofParking Assis tPA RK TRONI C
Pa rking AssistPA RK TRONI Cis an elec tron ic
par kingassi stanc esy stem withultr asound. It
monit orsth ear ea around your vehicle using mul‐
tiple sensor son thefront bum perand onthe
re ar bum per.Pa rking AssistPA RK TRONI Csho ws
yo uth edis tance betwee nyo ur vehicle anda
de tected obs tacle visually and audibly . 24
4
Driving and parking

R
Orang esegments: obstacle sat adi st anc e
be tween appr ox.1. 0 ft (0.3 m)and 2.0ft
(0.6 m)
R Redse gme nts: obstacle sat ave ry shor t
dis tance ofapprox .1. 0 ft (0.3 m)orless
Displa yof Parking Assis tPA RK TRONI Cin the
Head-u pDi spla y Op
tiona lly,obs tacle sde tected byParking Assist
PA RK TRONI Cfrom adis tance ofapprox imat ely
3. 3ft (1.0 m) infront 2and 2.0ft(0.6 m)on
th esides 3can also bedispla yedin theHead-
up Displa y. 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.
Ve hicl eswith traile rhitc h:Parking Assist
PA RK TRONI Cis deac tiva tedfo rth ere ar zone
when youes tablish anelect rical connecti on
be tween your vehicle andatrailer . Pr
oblems withParking 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. 24
6
Driving and parking

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(/ page332).
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 obs
tacle and ther eis arisk ofalat eral collision,
a wa rning isissued andthesegment slight upin
color inthedispla y.
The segment colorchang esdepen dingon the
dis tance tothede tected obs tacle :
R Yello w: appr oximat ely1. 0 -2.0 ft
(30 -60 cm)
R Red:less than appr oximat ely1. 0 ft (30 cm)
In order forlat eral front orrear segm entsto be
displa yed, theve hicle mustfirs ttr av el adis tance
of at leas tha lfof theve hicle length.Once the
ve hicle hastrav eled thelengt hof theve hicle, all
of thelat eral front and rear segm entscan bedis‐
pla yed. Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hout asur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle detected atthefront right (yello w)
and rear (red) Dr
ivin gand parking 24
7

Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hasur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle sde tected atthefront right (red)
Sa vedobs tacle son thesides aredele tedin the
fo llo wing situat ions,fo rex am ple:
R Youpar kth eve hicle andswitc hof fth eigni‐
tion .
R Youopen thedoor s.
Af terth eengine isrestar ted, obs tacle son the
sides mustbe detected again bef oreane w
wa rning can beissued. Sy
stem limit s
The system limits forPa rking Assist
PA RK TRONI Cappl yto passiv eside impact pro‐
te ction.
The follo wing objectsar eno tde tected, forex am‐
ple:
R Pedes trians who approachth eve hicle from
th eside
R Objec tsplaced next to theve hicle
Ac tiv atin g/deac tivatin gPa rking Assis t
PA RK TRONI C
* NO
TERisk ofan acci dent from objects
at clo serang e Pa
rking AssistPA RK TRONI Cma yno tde tect
cer tain obje ctsat clos era ng e. #
Whe npa rking ormane uvering theve hi‐
cle, paypar ticular attention toany
obj ect swhic har eabo veorbelo wthe
sensor s,e.g. flowe rpo ts or draw bar s.
The vehicle orother object scould oth‐
er wise bedamag ed. Re
quirement s:
R The camera menuis open.
R Or:Ac tivePa rking Assistis act ive.
R Or:th ePA RK TRONI Cpop- upwin dow
appear s.
% Mak esur eth at ther ear eno per sons, ani‐
mals orobjec tsinthemaneuv ering area
while maneuv ering and parking in/exiting
par king spaces. #
Tapé inthemedia display.
% Ifth eé symbol issho wninthemultifunc ‐
tion displa y,Pa rking AssistPA RK TRONI Cis
no tact ive. Pa rking AssistPA RK TRONI Cis
aut omat icallyact ivat ed when theve hicle is
st ar ted.
Alt ernativ ely,Pa rking AssistPA RK TRONI Ccan be
act ivat ed ordeac tiva tedin thequ ick acc ess
men u. 24
8
Driving and parking

or
covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page20 1).
% Donotuse there ar vie wcam erain these
types ofsituation .Yo uco uld other wise injure
ot her sor collide withobject swhen parking
th eve hicle.
Fo rte ch nica lre ason s,thest andar dheigh tof the
ve hicle maybe altered ifth eve hicle iscar rying a
hea vyload andcanresult ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges.
% The cont rast of thedispla yma ybe impair ed
by direct sunlight orby other light sources,
e.g. when driving outofaga rage .In this
case, paypar ticular attent ion.
% Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e. 360
°came ra Fu
nction ofthesur round viewcamer a
The surround viewcam erais asy stem that con ‐
sis tsof four cam eras. The cam eras coverth e immed
iateve hicle surround ings.The system
assis tsyou, e.g .when parkingor atexits with
re duced visibility .
The views ofthesur round viewcam eraar e
alw aysav ailable whendrivin gfo rw ards up toa
speed ofappr ox.10 mph(1 6 km/h) andwhen
bac king up.
The surround viewcam erais on lyan aid and
ma ysho wadis torted viewof obs tacle s,sho w
th em incor rectly ornotsho wthem atall. Itis no t
a subs titutefo ryo ur att entio nto thesur round ‐
ing s.The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing.
The system evaluat esimag esfrom thefo llo wing
cameras:
R Rear vie wcam era
R Front camer a
R Twoside camer asintheoutside mirrors
% Youcan open theco verof there ar vie wcam ‐
er aman ually(/ page25 5). Vi
ew sof thesur round viewcamer a
Yo ucan selectfrom differe nt vie ws: 1
Wide-ang levie w, front
2 Topvie wwit himag efrom thefront camer a
3 Topvie wwit himag esfrom theside camer as
in theoutside mirrors
4 Wide-ang levie w, rear
5 Topvie wwit himag efrom there ar vie wcam ‐
er a
6 Topvie wwit htrailer view(vehicles witha
tra iler hitch) 252
Driving andparking

Sy
stem limit s
The surround viewcam erawill notfun ction or
will onlypa rtiall yfunc tion inthefo llo wing situa‐
tion s:
R The door sar eopen .
R The outs idemirrors arefo lded in.
R The tailg ateis open .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty
or covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page20 1).
% Donotuse thesur round viewcam eraunde r
suc hcir cum stanc es.Youco uld other wise
injur eot her sor collide withobject swhen
par king theve hicle.
Fo rte ch nica lre ason s,thest andar dheigh tof the
ve hicle maybe altered ifth eve hicle iscar rying a
hea vyload andcanresult ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges. %
The cont rast of thedispla yma ybe impair ed
by abr upt,dir ect sunlight orby other light
sour ces, e.g.when driving outofaga rage .In
th is case, paypar ticular attent ion.
% Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e.
See theno teson cleaning thesur round view
cam era(/ page33 2).
Select ingavie wforthe surround viewcam‐
er a #
Shif tto reve rsege ar. #
Select thedesir edviewin themultimedia
sy stem (/ page252). #
If,afte rshif ting toreve rsege ar,th eimag eof
th ere ar vie wcam erais no tsho wn: switchoff
th eignition ,pr ess and hold thec button,
switc hon theignition andengagere ve rse
ge ar again. Open
ingthecam 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).
Ac tivePa rking Assistpr ov ides assis tance when
ch ang inggear,acc eler ating,brakin gand steer‐
ing theve 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‐ Dr
iving andparking 255

lel
and perpendic ularparkingspaces 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
Youen 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. overhang ingloads, 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 incorrectl y. &
WARNIN GRisk ofacci dent dueto
object slocat edabo veorbelo wthe
de tection rang eof ActivePa rking Assist
If th er ear eobjec tsabo veorbelo wthe
de tection rang e, thefo llo wing situat ionsmay
ar ise:
R ActivePa rking Assistma yst eer tooear ly. R
The vehicle mayno tst op infront ofthese
objec ts.
This could cause acollision. #
Inthese situation s,do notuse Active
Pa rking Assist. Ex
treme environm entalcon dition s,suc has
sno wfall orhea vyrain, ma ylead toapar king
spac ebein gmeas ured inac curately. Pa rking
spaces that arepar tiallyoccupied bytrai le r
dr aw bar smight notbe ident ified assuc hor be
measur edincor rectly .Only useAc tivePa rking
Ass iston leve l,high- grip grou nd .
Do notuse ActivePa rking Assistin thefo llo wing
situat ions:
R Inextreme weather condition ssuc has ice ,
pac kedsno wor inhea vyrain.
R When transpor tingaload that protru des
be yond theve hicle.
R Ifth epar king space ison ast eep downhill or
uphill gradient.
R When snowch ains areins talled.
R When atrailer orbicy clerack isatt ached. 256
Drivin gand parking