Page 177 of 566

Dep
endingontheve hicle's equipment, thera dar
sensor sar eint egr ated behind thebum pers
and/or behindtheMer cedes star.The ultrason ic
sen sorsar eloc ated inthefront and rear bum p‐
er s. Ke ep these partsfree ofdir t,ice and slush
(/ page386). Thesensor smus tno tbe cov‐
er ed, forex am ple bybicy clerack s, ove rhang ing
loads, sticke rs,fo ilor foils toprotect agains t
st one chipping .Ad dition allicense platebr ac kets
can like wise impair thefunc tion oftheultr asonic
sensor s.In theev ent ofdamag eto thebum pers
or radiat orgrill, orfollo wing acollis ionimpact ing
th ebum persor radiat orgrill, have thefunc tion
of thesensor sch eckedat aqu alif ied spec ialist
wo rkshop. Ifth esensor sar edamag ed,some
dr iving systems anddriving safetysy stems may
no long erfunc tion proper ly. Ov
ervie wof driving systems anddriving
saf etysy stems In
this sect ion, youwill find informa tionab ou t
th efo llo wing drivin gsy stems anddriving safety
sy stems:
R 360° Camer a(/ page21 9) R
ABS (Anti-l ockBrak ingSystem)
(/ page17 5)
R ActiveDis tance AssistDIS TRONI C
(/ page 187)
R AMG adaptivespo rtsuspension system
(/ page206)
R ActiveBr ak eAssi st(/ pag e17 9)
R ActiveLa ne Keeping Assist(/ page234)
R ATTENTION ASSIST(/ page228)
R BAS(Bra keAssis tSyst em) (/page17 6)
R HillSt artAs sis t(/ page19 8)
R DRIFT MODE (/page20 1)
R EBD (Electr onicBrakefor ce Dis tribution)
(/ page17 9)
R ESP ®
(Electr onicStability Program)
(/ page17 6)
R ActiveSpe edLimi tAssi st(/ pag e19 0)
R HOLD functio n(/ page 199)
R STEER CONTR OL(/ page 179)
R ActiveSt eer ing Assis t(/ page19 2)
R ActivePa rking Assist(/ page222 ) R
Parking AssistPA RK TRONI C(/ page21 0)
R Rear vie wcam era(/ page21 6)
R RACE STAR T(/ page 200)
R Cruise contr ol(/ page18 4)
R Blind Spo tAssi stand ActiveBli nd Spo tAssi st
( / pag e232 )
R Traf fic Sign Assist(/ pag e230) Fu
nction ofABS The
Anti-loc kBr ak eSy stem (ABS )re gulat esthe
br ak epr essur ein critical driving situation s:
R Dur ing braking, e.g.atfull brak eapplication
or insuf ficie nttiretracti on, thewheels are
pr eve nted from lock ing.
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youwill feel a
pulsing inthebr ak epedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road
con dition sand canserveas are minder totake
ex tra car ewh ile dr ivi ng. Dr
iving and parking 17
5
Page 178 of 566

Sy
stem limit s
R ABSis act ive from speeds ofappr ox.5 mp h
(8 km/ h).
R ABSma ybe impair edorma yno tfunc tion ifa
malfunc tionhasoccurredand theye l‐
lo w 0025 ABSwa rning lam plight sup con tin‐
uousl yin theins trument clusteraf te rth e
engine isstar ted. Fu
nction ofBA S(Br akeAssis tSy stem) &
WARNIN GRisk ofan acci dent caused by
a malf unctionin BA S(Br akeAssi stSys‐
te m)
If BA Sis mal functi oning,th ebr aking distance
in an eme rgency braking situation is
incr eased. #
Depr essthebr ak epedal withfull forc e
in emer gency braki ng situa tions. ABS
pr eve nts thewheels from locking . BA
Ssu ppo rts yo ur eme rgency braking situation
wit hadditional brak efo rc e. If
yo udepr essthebr ak epedal quickl y, BA Sis
acti vated:
R BASau tomatical lyboos tsthebr ak epr es‐
sur e.
R BAScan shorten thebr aking distance.
R ABS preve nts thewheels from locking .
The brak es will func tion asusual onceyo u
re lease thebr ak epedal. BASis dea ctivated. Fu
nctions ofESP ®
(Electr onicStabil ityPro‐
gr am) &
WARNIN GRisk ofskid ding ifESP ®
is
mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ry
out vehicle stabiliz ation.Inaddit ion,ot her
dr iving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spe‐
cialis two rkshop. Yo
ucan selectbetween thefo llo wing modes of
ES P®
:
R ESP®
ON
R ESP®
SPO RT
R ESP ®
OFF
Ch arac terist ics when ESP®
is activ ated
ES P®
mon itor sand improv es driving stabilit yand
tr act ion,par ticular lyin thefo llo wing situat ions:
R When pulling away on wetor slip pe ry road‐
wa ys.
R When braking.
R Instro ng side winds when youar edr ivin g
fa ster than 47 mp h(7 5 km/h).
ESP ®
can stabiliz eth eve hicle byinterve ning in
th efo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engine outputisadap tedaccor dingto
th esituation .
ES P®
is activ ated everytime theengine isstar‐
te dre ga rdless ofwhe ther ESP®
wa sin ESP ® 17
6
Driving and parking
Page 179 of 566

SPOR
Tor dea ctivated bef oreth eengine was
switc hedoff.
If th e00E5 ESP®
wa rning lam pflashes inthe
ins trumen tclus ter,one orseveralve hicle wheels
has reac hed itsgrip limit :
R Adaptth edr iving style to suit thepr ev ailin g
ro ad and weather condition s.
R Donotdeac tivateES P®
unde ran ycir cum ‐
st anc es.
R Onlydepr esstheaccelera torpeda las faras
is necessar y.
Cha racter istics when ESP®
SPOR Tis act iva‐
te d &
WARNIN GRisk ofskid ding ifESP ®
SPOR Tis us ed incor rectly
Whe nyo uact ivat eES P®
SP OR T,ther eis an
incr eased risk ofskidding andhaving anacci‐
dent. #
ActivateESP ®
SPO RTonlyin thecir‐
cums tances descr ibed below. Sel
ect ESP ®
SPOR Twh en theve hicle's own
ov ersteer ing and under steer ing charact eristic s
ar edesir ed,e.g.on desig natedroads.
Dr ivin gwit hES P®
SPO RTorwit hESP ®
deactiv a‐
te dre qu ires an extreme lyqu alif ied and exper i‐
enc eddriver .
If ES P®
SPOR Tis activ ated and one ormor e
wheels star tto spin, the00E5 ESP®
wa rning
lam pon theins trument clusterflashes .ES P®
th en onlyst abiliz estheve hicle toalimit ed
deg ree.
ES P®
SPOR Talso hasthefo llo wing charact eris‐
tic s:
R ESP®
on lyim prove sdr iving stabilit yto alimi‐
te ddegr ee.
R ETS/4 ETStraction control isstill act ive.
R The engin e'storq ue ison lyrestrict ed toa
limit eddegr eeand thedr ive wheels canspin.
The spinn ingofthewheels results inacut‐
ting action forbe tter traction onloose surfa‐
ces. R
ESP ®
continu estoprov ide assis tance when
th ebr ak es arefirm lyapplied .
R Cross wind Assis tis no longeractiv e.
Char acteristics when ESP®
is deactiv ated &
WARNIN GRisk ofskid ding ifESP ®
is
dea ctivated
If yo udeac tivateES P®
,ES P®
can notcar ry
out vehicle stabiliz ation. #
ESP®
shoul don lybe deactiv ated inthe
fo llo wing situat ions. When
ESP®
is deact ivat ed, the00BB ESP®
OFF
wa rning lam pand theESP OFF messag elight up
con tinuousl yin theins trument cluster.
Dea ctivating ESP ®
ha sth efo llo wing effects:
R Driving stabilit ywill nolongerbe improv ed.
R The drive wheels couldspin.
R ETS/4 ETStraction control isstill act ive.
R Crosswin dAss istis no long eract ive. Dr
ivin gand parking 17
7
Page 180 of 566

%
Even when ESP ®
is de acti vated, youar est ill
assis tedby ESP ®
wh en braki ng hard.
It ma ybe bes tto act ivat eES P®
SPO RTordeacti‐
va te ESP ®
in thefo llo wing situat ions:
R When usingsnowch ains .
R Indeep snow .
R Onsand orgrave l.
% Spin ningth ewheels results inacutting
action, whichenhances traction.
% ActivateESP ®
as soo nas thesituation s
descr ibedaboveno long er apply .ESP ®
wi ll
ot her wise notbe able tostabiliz eth eve hicle
if th eve hicle star ts to skid orawheel star ts
to spin.
If th e00E5 ESP®
wa rning lam plight sup con tinu‐
ousl yeve nwh en ESP ®
is acti vated, ES P®
is no t
av ailable duetoamalf unction.
Obse rvean yinf ormation whichma ybe displa yed
in theins trument cluster:
R Warning and indic ator lam ps(/ page506)
R Disp lay mess ages ET
S/4ET S(Electr onicTractio nSy stem)
ET S/ 4ETS tracti oncontr olispa rtof ESP ®
.
ET S/4 ETScan improve theve hicle's traction by
int erve ning inthefo llo wing ways:
R The drive wheels arebr ak ed individually if
th ey spin.
R Mor edr ive to rq ue istrans ferred tothewheel
or wheels withtra ction. Ac
tiv atin g/deac tivatin gES P®
(E lectr onicSta‐
bil ity Prog ram) #
Toactiv ateESP ®
SPORT :pr ess and hold
dis pla ybutt on1 until thero ad inbutt on
symbo l2 light sup yello w.
The 00BB andÆ warning lam psappear in
th eins trument cluster. 17
8
Driving and parking
Page 181 of 566

#
Todeac tivateES P®
:pr ess and holddispl ay
butt on1 until thero ad inbutt onsymbo l2
light sup red.
The 00BB andESP OFF warning lam ps
appear intheins trument cluster. #
Toactiv ateESP ®
:pr ess and hold displa y
butt on1 until thero ad inbutt onsymbo l2
light sup blue.
The 00BB, ÆandESP OFF warning lam ps
go out intheins trument cluster.
When the00E5 symbol 2issho wnwithare d!
on displa ybutt on1, ESP®
is malfunc tioning.
Obser vetheinf ormation onwarning lam psand
displa ymess ages whic hma ybe sho wninthe
ins trumen tclus ter. Fu
nction ofESP ®
Cr osswind Assist ES
P®
Cr osswind Assistde tects sudde ngu stsof
side wind andhelps thedr iver tokeep theve hi‐
cle inthelane:
R ESP®
Cr osswind Assistis activ eat vehicle
speeds between appr ox.47 mp h(7 5 km/h) and
125mp h(200 km/h) whendriving
st ra ight ahead orcor ner ing slight ly.
R The vehicle isstabiliz edbymeans ofindivi d‐
ua lbr ak eapp lication onone side. Fu
nction ofEBD (electr onicbrak efo rc edis‐
tr ibut ion) EB
Dis ch aract erize dby thefo llo wing:
R Mon itor ing and regulating thebr ak epr essur e
on there ar wheels .
R Improve ddr iving stabilit ywhen brakin g,
espe ciallyon ben ds. Fu
nction ofSTEER CONT ROL ST
EER CONTR OLhelpsyo uby trans mitting a
no tice ablesteer ing forc eto thesteer ing wheel in
th edir ect ion requ ired forve hicle stabiliz ation.
This steer ing recomme ndation isgiv en particu‐
lar lyin thefo llo wing situat ions:
R Both right wheels orboth leftwheels areon
a we tor slip pe ry road sur face whe nyo u
br ak e R
The vehicle star ts to skid
Sy stem limit s
ST EER CONTR OLmaybe impai redor ma yno t
func tion inthefo llo 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,youwill beassis ted
fur ther by theelectr icpo we rst eer ing. Fu
nction ofActiv eBr ak eAs sist Ac
tiveBr ak eAssi stconsi stsof thefo llo 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 gAss istanc ePa ck‐
ag e:Evasi ve Steer ing Assis t Dr
iving andparking 17
9
Page 182 of 566

Ac
tiveBr ak eAssi stcan helpyo uto minimize the
ri sk ofacollision withve hicles orpedes trians or
to reduce theef fects ofsuch acol lision .
If Ac tiveBr ak eAssi sthas detected arisk ofcolli‐
sion, awa rning tone sou nds and theL dis‐
ta nce warning lam plight sup intheins trument
clus ter.
If yo udo notre act tothewa rning, autono mous
br akin gcan beinit iated incritic alsituat ions.
In espec iallycritic alsituat ions,Ac tiveBr ak e
Assi stcan initia te aut onomo usbrakin gdir ect ly.
In this case, thewa rning lam pand warning tone
occu rsi mu ltane ously with thebr aking applica‐
tion .
If yo uappl yth ebr ak eyo urself inacr itical situa‐
tio nor appl yth ebr ak edur ing autonomous brak‐
ing, situation -dependen tbr aking assistance
occu rs.The brak epr ess ureincr eases uptomax‐
imum full-sto pbr aking ifnec essar y. If
aut onomous braking orsitua tion-dependent
br aking assistanc ehas occurred, displa y1
appear sin themultifunc tiondispla yand then
aut omaticall ygoes outafte ra shor ttime.
If th eaut onomous braking function orthesitua‐
tion -dependen tbr aking assistance istrig ge red,
additional preve ntiv emea suresfo roccupa nt
pr otect ion (PRE-S AFE®
)ma yalso beinitiat ed. &
WARNIN GRisk ofan acci dent caused by
limit eddetection perform anc eof Active
Br ak eAssi st
Ac tiveBr ak eAssi stcanno tal wa ys cle arly
ident ifyobje ctsand complextraf fic situ a‐
tions .
In such case s,Ac tiveBr ak eAssi stmight :
R Giveawa rning orbrak ewit hout reason
R Notgiv eawa rning ornotbr ak e #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on ActiveBr ak e
Assi stalon e.Ac tiveBr ak eAssi stisonl y
an aid. Thedriver isresponsible for
maint ainingasui table distance tothe
ve hicle infront, vehicle speed andfor
br aking ingood time. #
Beprepar edtobrak eor sw erve ifnec ‐
essar y. %
Ifth esy stem isuna vailable, the00D4 displa y
appear sin themultifunc tiondispla y.
Als oob ser vethesy stem limits ofActiveBr ak e
Assi st. 18
0
Driving and parking
Page 183 of 566

The
indiv idua lsub func tions areav ailab lein
th efo llo wing speed rang es:
The distance warning func tion issues awa rning
in thefo llo wing situat ions:
R From appr oximat ely4 mp h(7 km/h), ifyo ur
ve hicle iscritically closetoave hicle or pedes
trian, youwill hear anintermit tent
wa rning tone and theL distance warning
lam plight sup intheins trument cluster. Br
ak eimme diat ely ortake evasiv eact ion,pr ov i‐
ded itis saf eto do soand thetraf fic situ ation
al lo ws this.
Th edis tance warning funct ioncan aidyouin thefo llo wing situations withan intermit tent wa rning tone and awa rning lam p: Ve
hicl estrave ling in
fr ont St
ation aryve hicl es Cross ing vehicl es Moving pedes trians Station arypedes ‐
tr ians
Ve hicles without Driv‐
ing Assis tance Pack‐
ag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.50 mph
(80 km/ h) No
react ion Uptoappr ox.37 mph
(60 km/ h) No
react ion
Ve hicles withDr iving
Assis tance Packag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.62 mph
(1 00 km/ h) Up
toappr ox.43 mph
(70 km/ h) Up
toappr ox.50 mph
(80 km/ h) Up
toappr ox.43 mph
(70 km/ h) Dr
iving andparking 18
1
Page 184 of 566

The
autonomo usbraki ng func tionma yin te rv ene atspeed sst ar ting from appr oxima tely 4mp h(7 km /h)in the follo wing situations: Ve
hicl estrave ling in
fr ont St
ation aryve hicl es Cross ing vehicl es Moving pedes trians Station arypedes ‐
tr ians
Ve hicles without Driv‐
ing Assis tance Pack‐
ag e Up
toappr ox.12 4mp h
(200 km/h) Up
toappr ox.31 mp h
(50 km/ h) No
react ion Uptoappr ox.37 mph
(60 km/ h) No
react ion
Ve hicles withDr iving
Assis tance Packag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.62 mph
(1 00 km/ h) Up
toappr ox.43 mph
(70 km/ h) Up
toappr ox.43 mph
(70 km/ h) Up
toappr ox.43 mph
(70 km/ h) Situ
ation- depend entbraking assistance mayint erve ne atspeeds star ting from appr oxima tely 4mp h(7 km /h)in thefo llo wing situations: Ve
hicl estrave ling in
fr ont St
ation aryve hicl es Cross ing vehicl es Moving pedes trians Station arypedes ‐
tr ians
Ve hicles without Driv‐
ing Assis tance Pack‐
ag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.50 mph
(80 km/ h) No
react ion Uptoappr ox.37 mph
(60 km/ h) No
react ion
Ve hicles withDr iving
Assis tance Packag e Up
toappr ox.15 5mp h
(250 km/h) Up
toappr ox.62 mph
(1 00 km/ h) Up
toappr ox.43 mph
(70 km/ h) Up
toappr ox.43 mph
(70 km/ h) Up
toappr ox.43 mph
(70 km/ h) 18
2
Driving and parking