Dep
endingonthev ehicle's equipment, ther adar
senso rsarei ntegr ated behind theb um per s
and/or behindther adiat orgrill. The ultrasonic
senso rsarel ocat edinthef ront and rear bum p‐
er s. Ke ep these partsfree ofdir t,ice and slush
(/ page421).The sensor smustn otbe cov‐
er ed, fore xamp leby bicy clerack s, ove rhang ing
loads, sticke rs,foil orfoils toprotect agains t
st one chipping .Addition allicense platebrack et
can like wise impair thef unc tion oftheu ltrasonic
sensor s.In thee vent ofdamag etot he bum pers
or radiat orgrill, orfollo wing acollis ionimpact ing
th eb um per sorradiat orgrill, have thef unc tion
of thes ensor schec keda taq ualifiedspec ialist
wo rkshop. Ifth es ensor saredamag ed,some
dr iving systems anddriving safetys ystems may
no long erfunc tion proper ly. Ov
ervie wo fdriving systems anddriving
saf etys ystems In
this sect ion, youw illfind informa tiona bout
th ef ollo wing driving systems anddriving safety
sy stems:
R 360° Camer a(/pag e241) R
ABS (Anti-l ockBrak ingSystem)
(/ page201)
R ActiveD ista nce AssistDIS TRONI C
(/ page 212)
R AIR BODY CONTR OL(/ page226)
R ActiveB rake Assi st(/ pag e205)
R ActiveL aneK eeping Assist(/pag e259)
R ATTENTION ASSIST( / pag e250)
R BAS(Bra ke Assis tSys tem) (/ page202)
R Hill StartA ssist( / pag e225)
R EBD( Elec tron icBra keforc eDis tribution)
(/ page205)
R ESP®
(Elect ronic Stability Program)
(/ page202)
R ESP ®
Cr osswind Assist(/ pag e204)
R ActiveS peed Limi tA ssist(/ pag e216)
R HOLD function (/page225)
R STEER CONTR OL(/ page 205)
R ActiveS teer ing Assis twithr escue lanefunc‐
tion (/page219)
R MAGICB ODYC ONTR OL(/ page229) R
Night View Assi st(/ pag e254)
R ActiveE merg ency Stop Assis t(/ pag e222)
R ActiveP arking Assist( /pag e244)
R Parking AssistP ARK TRON IC(/ page 233)
R Rear vie wc amera( /pag e238)
R ActiveL aneC hangeA ssist(/ pag e221)
R Cruise control (/ page210)
R Blind SpotAssis tand ActiveB lind Spo tAssist
( / pag e256)
R Traf ficS ign Assi st(/ pag e251) Fu
nction ofABS The
Anti-loc kBrake System (ABS )regulat esthe
br ak ep ressur einc ritical driving situation s:
R Dur ing braking, e.g.atfull brak ea pplication
or insuf ficie nttiret racti on, thew heels are
pr eve nted from lock ing.
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youw illfeel a
pulsing intheb rake pedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road Dr
ivin gand par king 20
1
condi
tions andcanserveas aremind ertotake
ex trac arew hile drivi ng.
Sy stem limit s
R ABSisa ctivef roms peeds ofappr ox.5m ph
(8 km/ h).
R ABSm aybe impair edorma ynotfunc tion ifa
malfunc tionhasoccurreda nd they el‐
lo w 0025 ABSwarning lam plight supc ontin ‐
uousl yint he instrument clustera fter the
engine isstar ted. Fu
nction ofBA S(Brak eA ssis tSystem) &
WARNIN GRisk ofan acci dent caused by
am alfunc tioninB AS (BrakeA ssistSys‐
te m)
If BA Sism alfuncti oning,the braking distance
in an eme rgency braking situation is
incr eased. #
Depr esstheb rake pedal withfull forc e
in emer gency braki ng situa tions. ABS
pr eve nts thew heels from locking . BA
Ss uppo rtsy our emer gency braking situation
wit ha dditional brak ef orce.
If yo ud epr ess theb rake pedal quickl y, BA Sis
acti vated:
R BASa utomatic allyboos tstheb rake pres‐
sur e.
R BASc ansho rten theb raking distance.
R ABS preve nts thew heels from locking .
The brak es will func tion asusual onceyou
re lease theb rake pedal. BASisd eactiv ated. Fu
nction ofESP ®
(Electr onicStabil ityPro‐
gr am) &
WARNIN GRisk ofskid ding ifESP ®
is
mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcarry
out vehicle stabiliz ation.Inaddit ion,other
dr iving safetys ystems ares witc hed off. #
Driveo ncarefull y. #
Have ESP ®
ch eckeda taq ualifiedspe‐
cialis tworks hop. &
WARNIN GRisk ofskid ding ifESP ®
is
dea ctivated
If yo ud eac tivateE SP®
,E SP ®
can notc arry
out vehicle stabiliz ation. #
ESP®
shoul donly bedeactiva tedi nt he
fo llo wing situat ions. Mer
cedes‑AM Gvehic les:besur etoo bser ve
th en otes intheS upplement .Other wise, you
ma yfail torecogni zedangers.
ESP ®
can moni tora nd improve driving stabilit y
and tract ion inthef ollo wing situations, within
ph ysical limit s:
R When pulling away on aw etor slip pe ry road‐
wa y.
R When braking.
R Instro ng side winds from approx .5 0m ph
(80 km/ h). 202
Driving andparking
and
125m ph(200 km/h)when drivi ng
st ra ight ahead orcor ner ing slight ly.
R The vehicle isstabiliz edbymeans ofindivi d‐
ua lb rake app lication onone side. Fu
nction ofEBD (electr onicbrak ef orce dis‐
tr ibut ion) EB
Di sc har acterized bythef ollo wing:
R Monit oring and regulating theb rake pressur e
on ther ear wheel s.
R Improve ddriving stabilit ywhen brakin g,
espe ciallyonb ends. Fu
nction ofSTEER CONT ROL ST
EER CONTR OLhelpsy ou bytrans mitting a
no tice ablesteer ing forc et ot he steer ing wheel in
th ed irect ion requ ired forv ehicle stabiliz ation.
This steer ing recomme ndation isgiv en particu‐
lar lyin thef ollo wing situations:
R Both right wheels orboth leftw heels areo n
aw etor slip pe ry road sur face whe nyou
br ak e R
The vehicle star ts to skid
Sy stem limit s
ST EER CONTR OLmaybeimp aire do rm aynot
fu nctio nint he follo wing situat ions:
R ESP®
is deact ivat ed.
R ESP®
is malfun ctionin g.
R The steer ing ismalfunct ioning.
If ES P®
is malfunct ioning,youw illbe assis ted
fur ther by thee lectr icpo we rsteer ing. Fu
nction ofActiv eB rake Assist Ac
tiveB rake Assi stconsi stso fthe follo wing
func tions:
R Distance warning func tion
R Autonomo usbraki ng func tion
R Situ ation-d epend ent braki ng assist anc e
R Vehicl eswith Drivin gAssistanc ePack‐
ag e:Evasi ve Steer ing Assis t Ac
tiveB rake Assi stcan helpyou tominimize the
ri sk ofac ollision withvehicles orpedes trians or
to reduce thee ffects ofsuc hac ollision .
If Ac tiveB rake Assi sthas detected arisk ofcoll i‐
sion ,aw arning tone sou nds and theL dis‐
ta nce warning lam plight supint he instrument
clus ter.
If yo ud on otreact tothew arning ,autono mous
br akin gcan be init iated incritic alsituat ions.
In espec iallyc ritic alsituat ions,Activ eBrake
Assi stcan initia te aut onomo usbrakin gdirect ly.
In this case, thew arning lampand warning tone
occu rsimulta ne ou sly with theb raking applica‐
tion .
If yo ua ppl ythe brak ey our self inac ritical situa‐
tio no rappl ythe brak ed uring autonomous brak‐
ing, situation -dependen tbraking assis tance
occu rs.T he brak ep ress urei ncr eases uptomax‐
imum full-sto pb raking ifnec essar y. Dr
iving and parking 205
Situat
ion-dependent braking assistance mayinter ve ne atspeeds star ting from appr oxima tely 4m ph(7km /h)int he follo wing situations: Ve
hicl estrave ling in
fr ont St
ation aryv ehic les Crossin gvehic les Movingp edes trians Station aryp edes ‐
tr ians
Ve hicles without Driv‐
ing Assis tance Pack‐
ag e Up
toappr ox.1 55 mph
(250 km/h) Up
toappr ox.5 0m ph
(80 km/ h) No
react ion Uptoappr ox.3 7m ph
(60 km/ h) No
react ion
Ve hicles withD riving
Assis tance Packag e Up
toappr ox.1 55 mph
(250 km/h) Up
toappr ox.6 2m ph
(1 00 km/ h) Up
toappr ox.4 3m ph
(70 km/ h) Up
toappr ox.4 3m ph
(70 km/ h) Up
toappr ox.4 3m ph
(70 km/ h) Canceling
abrake app lication ofActiv eB rake
As sist
Yo uc an can celabrake applic ationofActiv e
Br ak eA ssistat anyt imeb y:
R Fullyd epr essin gthe acceler ator pedal or
wit hk ickdo wn.
R Releasing theb rake pedal.
Ac tiveB rake Assi stma ycancel theb rake appli‐
cation whenoneofthef ollo wing condition sis
fulf illed:
R Youm aneuv ertoavo idtheo bstacle .
R The reisno long erarisk ofcoll ision. R
Anobs tacle isno long erdetected infront of
yo ur vehicle.
Ev asiv eSteer ing Assis t(onl yvehic leswith
Dr ivi ng Assis tancePackag e)
Ev asi ve Steer ing Assis thas thef ollo wing charac‐
te rist ics:
R The ability todetect statio naryorm oving
pedes trians .
R Assis tance thro ugh powe r-assis teds teer ing if
it de tects aswerving mane uver.
R Activati on byan abr upts teer ing movement
dur ing aswerving maneu ver. R
Assi stanc eduring swervin ga nd stra ight enin g
of thev ehicle.
R React ion from aspee dofappr oximat ely
12 mp h(20 km/h) uptoas pee dofappr ox‐
imat ely4 3m ph(70 km/h).
Yo uc an preve ntthea ssis tance atanyt ime by
act ivel ys teer ing. 208
Driving andparking
ve
hicles withthe Driving Assistance Packag e, in
th er ang ebetwe en 15 mp h(20 km/h) and
13 0m ph(210 km/h) .
Ot her featur esofActiveD ista nce Assist
DIS TRONI C:
R Adjus tsthed riving styled epending onthe
select eddrivep rogram (fuel efficie nt, com‐
fo rtable ordynam ic)(/ page183)
R Vehicl eswith Drivin gAssistanc ePack‐
ag e:react stos tatio nar yvehicles detected in
urb anspe edrang es (exc ep tb icy cles and
mo torcyc les)
R Initiates acc eler ation tothes tore ds peed if
th et urns ignal indicat orisswitc hedonto
ch ang etot he ove rtakin glane
R Vehicl eswith Drivin gAssistanc ePack‐
ag e:take so ne-sided overtakin grestricti ons
int oa cco unt onhighwayso ronm ulti-lane
ro ads withs eparat eroadw ays( countr y-
dependen t)
Ve hicl eswith Activ eP arking Assista nd Driv‐
ing Assis tance Packag e:ifth ev ehicle has
been brak ed toas tands tillo nm ulti-lan e,sepa‐ ra
te roadw aysb yA ctiv eDista nce Assist
DIS TRONI C,itcan automatical lyfollo wt he vehi‐
cle infront driving offa gain wit hin 30seconds. If
ac ritical situation isde tected whe ndrivi ng off,a
vis ualand aco ustic warning isgiv en indic ating
th at thed rive rm ustn ow take contr olof thev ehi‐
cle. The vehicle isno ta cceler ated anyf urther.
Ac tiveD ista nce AssistDIS TRONI Ciso nly anaid.
The driver isresponsible fork eeping asafed is‐
ta nce tothev ehicle infront, forv ehicle speed
and forb raking ingood time.
Sy stem limit s
The system maybeimp aired orma ynotfunc tion
in thef ollo wing situations:
R Insno w,rain, fog, hea vyspr ay,ift her eis
gl ar e, indir ect sunlight oringreat lyvarying
ambien tlight .
R The windsh ieldinthea reao fthe camer ais
dir ty,f ogg edup, damag edorcovered.
R Ifth er adar senso rsared irty or covered.
R Inpar kingg arag es oron roads withsteep
uphill ordownhill gradients. R
Ifth er ea renar rowv ehicles infront, suchas
bicy cles ormo torcyc les.
In addition ,ons lipper yroads, braking oraccel‐
er ating cancause oneorseveralw heels tolose
tr act ion and thev ehicle couldthen skid.
Do notu se ActiveD ista nce AssistDIS TRONI Cin
th ese situation s. &
WARNIN GRisk ofacci dent from acce ler‐
ati on orbraki ng byActiveD ista nce
Assi stDIS TRONI C
Ac tiveD ista nce AssistDIS TRONI Cm ayacc el‐
er ateo rbrake inthef ollo wing cases, for
ex am ple:
R Ifth ev ehicle pullsaway usin gActiv eDis‐
ta nce AssistDIS TRONI C.
R Ifth es tore ds peed iscalled upand is
considera blyfaster or slo werthan the
cur rently driven spe ed.
R IfAc tiveD ista nce AssistDIS TRONI Cno
lo ng er detects avehicle infront ordoes
no treact toreleva nt objects. Dr
iving and parking 21
3
#
Alw aysc arefully observethet raffic co n‐
diti onsa nd beready tobrak ea tall
times. #
Take intoa ccount thet raffic situat ion
bef orec allin gupthe stor ed speed. &
WARNIN GRisk ofacci dent duet oinsuf ‐
fi cie ntdece lera tio nb yActiv eDista nce
Assi stDIS TRONI C
Ac tiveD ista nce AssistDIS TRONI Cbrake s
yo ur vehicle withu pto5 0% ofthem aximum
possible deceleration.Ifth is decele ratio nis
no ts ufficien t,Ac tiveD ista nce Assist
DIS TRONI Calertsy ou withav isual and
aco ustic warning. #
Inthese cases, adjustyour speed and
ke ep asufficie ntdist anc e. #
Brak ethe vehicle yourself and/or take
ev asiv eaction . &
WARNIN GRisk ofacci dent ifde tection
functi onofActiveD istan ceAssi st
DIS TRONI Cisimpai red
Ac tiveD ista nce AssistDIS TRONI Cdoesn ot
re act orhas alimit edreact ion:
R when drivin gonad iffe re nt lane orwh en
ch ang inglane s
R topedes trians, animals, bicycles orsta‐
tio nar yvehicles, orune xpect edobs tacle s
R tocom plex traf ficc ondi tions
R tooncom ingvehicles andcrossing traf fic
As aresult, ActiveD ista nce Assist
DIS TRONI Cm aynei ther giv ew arning snor
int erve ne insuch situations. #
Alw ayso bser vethet raffic con dition s
car efull yand react accordin gly. Oper
ating Activ eD ista nce AssistD ISTR ONIC
Re quirement s:
R The vehicle hasbeen star ted.
R The elect ricp arkin gb rake isreleased.
R ESP®
is act ivat ed and isno tint er ve ning . R
The trans mis sion isin po sitio n005B.
R The driver' sd oorisc losed .
R Checko fthe radar sensor system has been
success fullycom pleted.
R Parking AssistP ARK TRON ICisno tb ein g
used topar kthe vehicle ortoexitfrom a
par kingspace.
R The vehicle does nots kid. 21
4
Driving and parking
Ac
tiv eL aneK eeping Assist Fu
nction ofActiv eL aneK eeping Assist Ac
tiveL aneK eeping Assistmonit orst he area in
fr ont ofyour vehicle bymeans ofmultifu nction
camer a1.I tserve st op rotect youa gains tunin ‐
te ntio nallylea vingy our lane. Youw illbe warned
by vibr ation pulses inthes teer ing wheel andgui‐ ded
byac our se-cor recting brak ea pplica tion
ba ck intoy our lane.
Yo ua rewa rned byvibr ation pulses inthes teer‐
ing wheel inthef ollo wing circums tances:
R ActiveL aneK eeping Assistdetects alan e
mar king.
R Afront whe eldrives ove rthis lane marking.
Yo uw illalso beguided backintoy our lane by
means ofac our se-cor recting brak ea pplica tion
if th ef ollo wing condition sareme t:
R ActiveL aneK eeping Assistdetects lane
mar kingson both edg esofthel ane.
R Afront wheel drives over as olid lane mark‐
ing.
Yo uc an act ivat eo rdeac tivatet he ActiveL ane
Ke eping Assistwarning .
Ac tiveL aneK eeping Assistcan neit her reduce
th er isk ofan acci dent ifyo uf ail toadap tyour
dr iving stylen orove rride thel aws ofphysics. It
can nottak ei ntoa ccount road, weather ortraf fic
condi tions.Activ eLaneK eeping Assistiso nlya n
aid. Youa reresponsible form aint ainingasafe
dis tance tothev ehicle infront, forv ehicle speed,
forb raking ingood timeandfors taying
in lane.
Ve hicl eswith Drivin gAssistanc ePacka ge or
Dr ivi ng Ass istan cePlus Packag e:Ac tiveL ane
Ke eping Assistcan bring thev ehicle backinto
th el ane withal ane-c orrecting brak ea pplica tion.
In thec ase ofab roke nl ane marking being
de tected, abrake applica tion willonly bemad eif
av ehicle hasbeen detected inthea djacen tlane.
Onc oming vehicles, overtakin gvehicles andvehi‐
cles inadjacent lanescanbedetected.
Ac tiveL aneK eeping Assistisa vailable inthe
speed rang eb etwe en 37 mph(60 km/h) and
12 4m ph(200 km/h). Dr
iving andparking 259
If
al ane-cor recting brak ea pplica tion occu rs,d is‐
pla y1 appear sint he multifunction display.
Sensitivity ofActiv eL aneK eeping Assist
% The availabilit yofthe follo wing function is
coun try- dependen t.
Al ane-c orrecting brak ea pplica tion also occu rs
in theSens itivesetting inthef ollo wing situa‐
tions:
R ActiveL aneK eeping Assistdetects asolid
la ne mar king.
R Afront whe eldrives ove rthis lane marking.
Sy stem limit s
No lane- correcting brak ea pplica tion occu rsin
th ef ollo wing situations:
R Youc lear ly and activel ys teer,b rake oraccel‐
er ate.
R Youh aves witc hed onthet urns ignal indica‐
to r( situ ation-dep endent).
R Adriving safetys ystemi nter ve nes, such as
ES P®
,A ctiv eBrake Assi stor ActiveB lind
Spo tAssist. R
Youh ave adop tedas portydriving stylew ith
high corner ing speeds orhigh rateso faccel‐
er ation.
R When ESP®
is deactiv ated.
R Ifal oss oftirep ressur eoraf aulty tireh as
been detected and displ aye d.
The system maybeimp aired orma ynotfunc tion
in thef ollo wing situations:
R Ifth er ei sp oor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofther oad, ifth er ea re
highly variable shade condition sorinr ain,
sno w,fogo rheavy spr ay.
R Ifth er ei sg lare,e.g. from oncom ingtraf fic,
th es un orreflect ions.
R Ifth ew indshield inthea reao fthe multifunc‐
tion camer aisd irty ,o rift he camer aisf og‐
ge du p,damag edorcovered.
R Ifth er ea reno lane markings ,ors eve ral
unc lear lane markingsarep resen tfor one
lane, e.g.around roadw orks .
R Ifth el ane marking sarewo rn,d arko rcov‐
er ed. R
Ifth ed ista nce tothev ehicle infront istoo
shor tand thus thel ane marking scann otbe
de tected.
R Ifth el ane marking schang equickly, e.g.
lanes branc hoff,c ross one another or
mer ge.
R Ifth er oadw ayisvery nar row and wind ing.
Ve hicl eswithout Drivin gAssistanc ePack‐
ag eo rDrivi ng Ass istan cePlus Packag e:
Ac tiveL aneK eeping Assistuses radar sensor s
to monit orseverala reas around thev ehicle. If
th er adar senso rsinther ear bum perared irty or
co veredw iths now, thes ystemm aybe impair ed
or ma ynotfunc tion.Ifa no bstacle inthel ane in
whic hyou ared rivin gh asbeen detected, no
la ne-cor recting brak ea pplica tion occu rs. 260
Driving andparking