
Dr
ivin gand drivin gsaf etysy stems Dr
iving systems andyour responsibility Yo
ur vehicle iseq uipped withdr iving systems
whic hassis tyo uin drivin g,par kingand man eu‐
ve ring theve hicle. Thedriving systems areonl y
aids. Theyar eno ta subs titutefo ryo ur att entio n
to thesur round ingsand donotre lie ve youof
yo ur responsibili typer tainin gto road traf fic law.
The driver isalw aysre sponsible formaint aining
a saf edis tance totheve hicle infront, forve hicle
speed, forbr aking ingood timeandforst ay ing
in lane. Payatt ention tothetra ffic con dition sat
all tim esand interve ne when nece ssary.Be
aw areof thelimit ations rega rding thesaf euse of
th ese systems.
Dr iving systems canneither reduce therisk of
accident ifyo ufa ilto adap tyo ur drivin gst yle nor
ove rride thelaws ofphysics. Theycan notalw ays
ta ke intoacc ount road, weather ortraf fic condi ‐
tions . In
fo rm ation onvehicl esen sorsand camer as Some
driving anddriving safetysy stems use
camer asaswellas radar ,lidar orultr asonic sen‐
sor sto monit orthear ea infront of,behind or
ne xt to theve hicle. 1
Multifunction camera
2 Camer asintheoutside mirrors
3 Front radar
4 Front camer a
5 Corner radar s
6 Ultra sonic sensor s
7 Rear vie wcam era 21
0
Driving and parking

&
WARNIN GRisk ofacci dent dueto
re strict ed detection perform anc eof vehi‐
cle sensor sand camer as
If th ear ea around vehicle sensor sor cam‐
er as isco vered, damag edordir ty,cer tain
dr ivin gand safetysy stems cann otfunction
cor rectly .The reisarisk ofan accident. #
Keep thear ea around vehicle sensor s
or camer asclear ofanyobs tructions
and clean. #
Have damag eto thebum per,ra diat or
gr ille orstone chipping inthear ea of
th efront and rear wind owsrepair edat
a qu alif ied spec ialistwo rkshop. Pa
rticular ly,ke ep thear eas around thesensor s
and camer asfree ofdir t,ice orslush
(/ page338). Thesensor sand camer asmus t
no tbe coveredand thede tection rang es arou nd
th em mus tbe kept free. Donotatt achadd itiona l
lice nse platebrac ket,ad vertisemen ts,sticke rs,
fo ils orfoils toprotect agains tst one chipping sin
th ede tection rang eof thesensor sand camer as. Mak
esur eth at ther ear eno ove rhang ingloads
pr otru ding intoth ede tection rang e.
If th er eis damag eto abum perorthera diat or
gr ille, orafte ran impact, have thefunc tion of
th esensor sch eckedat aqu alif ied spec ialist
wo rkshop. Have damag eor stone chipping inthe
ar ea ofthecamer ason thefront and rear win‐
do ws repair edataqu alif ied spec ialistwo rkshop.
% The rear vie wcam erama ymo veinand out
aut omat icallyfo rth epur pose ofcalibr ation,
eve nth ough ther eis no camer aimag ein the
displa y. Ov
ervie wof driving systems anddriving
saf etysy stems R
ABS(Anti- lockBra king System)
(/ page21 2)
R BAS(Bra keAssis tSys tem) (/ page21 2)
R ESP ®
(E lectr oni cSta bility Program)
(/ page21 3)
R ESP ®
Cr ossw indAssis t(/ page21 4) R
EBD (El ectr onicBra keforc eDis tribution)
(/ page21 4)
R STEER CONTR OL(/ page 214)
R HOLD functio n(/ page 215)
R HillSt artAs sis t(/ page21 6)
R ATTENTION ASSIST(/ page21 6)
R Traf fic Sign Assist(/ pag e236)
R Traf fic light view(/ page 240)
R AIRMA TIC(/ page24 8)
R E-AC TIVE BODY CONTR OL(/ page250)
Dr iving Assistance package
R ActiveDis tance AssistDIS TRONI C
(/ page 218)
R ActiveSpe edLimi tAssi st(coun try- depend‐
ent )(/ page222 )
R Route-based speedadap tatio n(co untr y-
dependen t)(/ page223)
R ActiveBr ak eAssi st(/ pag e23 1)
R ActiveSt eer ing Assis t(count ry-de pende nt)
(/ page 225) Dr
iving andparking 21
1

Fu
nction ofESP ®
(Electr onicStabil ityPro‐
gr am) &
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. ES
P®
can mon itor and improve driving stabilit y
and tract ion inthefo llo wing situat ions,wit hin
ph ysical limit s:
R When pulling away on awe tor slip pe ry road.
R When brakin g.
If th eve hicle deviat esfrom thedir ect ion desir ed
by thedr iver ,ES P®
can stabiliz eth eve hicle by
int erve ning inthefo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engine outputisadap tedaccor dingto
th esituation . When
ESP®
is deactiv ated, the00BB warning
lam plight sup con tinuousl y:
R Drivin gst abilit ywill nolongerbe improve d.
R The drive wheels couldspin.
R ETS/4 ETStra ction control isstill act ive.
% When ESP®
is deact ivat ed, youar est ill assis‐
te dby ESP ®
wh en braki ng.
Wh enthe00E5 warning lam pflashes ,on eor
se veralwheels hasreac hed itsgrip limit :
R Adaptyo ur drivin gst yle to suit thecur rent
ro ad and weather condition s.
R Donotdeac tivateES P®
.
R Onlyde pres sth eacceler ator pedal asfaras
is necessar ywhen pulling away.
Dea ctivateESP ®
in thefo llo wing situat ionsto
im prove tracti on:
R Whenusing snowch ains .
R Indeep snow .
R Onsand orgrav el. %
Spinn ingthewheels results inacutting
action, whichenhances traction.
If th e00E5 ESP®
wa rning lam plight sup con tinu‐
ousl y,ESP ®
is no tav ailable duetoamalf unction.
Obse rveth efo llo wing informatio n:
R Warning and indic ator lam ps(/ page553 )
R Disp lay mess ages (/ page495)
ET S/4ET S(Electr onicTractio nSy stem)
ET S/ 4ETS tracti oncontr olispa rtof ESP ®
and
mak esitpossible topull away and accelerat eon
a slippe ryroad.
ET S/ 4ETS can 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.
Inf luence ofdrive pr og rams onESP®
The drive pr og rams enabl eESP ®
to adap tto dif‐
fe re nt we ather and road con dition sas wellas
th edr iver's prefer reddr iving style. Depen dingon
th eselect eddrive pr ogr am, theappr opriate Dr
iving andparking 21
3

ESP
®
mod ewi llbe acti vated. Youcan selectthe
dr ive pr ogr ams using theDY NA MIC SELE CT
switc h(/ page19 4). 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(2 00 km/h) whendr iving
st ra ight ahead orcor ner ing slight ly.
R The vehicle isstabiliz edbymeans ofindivi d‐
ua lbr ak eapp lication onone side. Ac
tiv atin g/deac tivatin gES P®
(E lectr onicSta‐
bil ity Prog ram) Mu
ltimed iasystem:
4 © 5
ß 5
y
% ESP®
can onlybe activ ated/deact ivat ed
using quick acc ess when atleas tone other
funct ionisavailable inqu ick acc ess. ESP® can
other wise befound intheAssist ance
menu. #
Select ESP. #
Select Onor00BB Off.
ES P®
is deactiv ated ifth e00BB ESP®
OFF warn‐
ing lam plight sup con tinuousl yin theins trument
clus ter.
Obser veanyinf ormat iononwarning lam psand
displa ymess ages whic hma ybe sho wninthe
ins trumen tclus ter. Fu
nction ofEBD Elect
ronic Brea kfor ce Dis trib uti on (EBD) isch ar‐
act 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 OLassist syo 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 inthefo l‐
lo 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. 21
4
Driving and parking

HOLD
functio n HOLD
functio n
The HOLD function holdsth eve hicle atast and‐
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waitin gin traf fic.
The HOLD functionisonly anaid. The responsi‐
bility forth eve hicle safely standi ngstill remains
wit hth edr iver .
Sy stem limit s
The HOL Dfun ction isonl yint end edtoprov ide
assis tance when drivi ng and isno ta su fficien t
mean sof saf eguar dingtheve hicle agains tro lling
aw ay when statio nary.
R The incline mustno tbe great erthan 30%. Ac
tiv atin g/deac tivatin gthe HOL Dfunc tion &
WARNIN GRisk ofan acci dent dueto the
HOLD functio nbei ng activ ewhe nyo u
lea vetheve hicle
If th eve hicle isonl ybr ak ed withth eHOLD
func tion itcould, inthefo llo wing situat ions,
ro llaw ay:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theaccelera torpeda lor brak e
peda l,e.g. byave hicle occupant. #
Alw ayssecur eth eve hicle agains tro ll‐
ing away bef oreyo ulea veit. Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened.
R The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion. R
The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The transmis sionisin position 005B,005Eor005C.
Ac tiv atin gthe HOL Dfun ction #
Dep ress thebr ak epedal, andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin thedr iver displa y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom thedr iver displa y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R The transmission isshif tedto position 005D.
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e. Dr
iving andparking 21
5

Micr
osleep detection also doe sno tfuncti on
whe nth edr iver camer acann otdetect thedr iv‐
er's eyes, forex am ple asare sult ofthefo llo wing
fa ct or s:
R The driver's eyes areco vereddue tothe
st eer ing column position ,fo rex am ple.
R Poor ambient light.
R Some typesofeyeg lasses orsung lasses.
R The driver's lineofvision isoutside thedr iver
camer a'sfield ofvision.
Also obser veanyinf ormat ionrega rding displa y
mess ages that can bedispla yedon thedr iver
displa y.
The tiredness andalertness assessment of
AT TENTION ASSISTwit hmicr osleep detection is
re se tand restar tedwhen continuing thejour ney
in thefo llo wing situat ions:
R Ifyo uswit choffth eengine.
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.tochang edr iver sor take a
br eak). 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 isma in‐
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.
Ac tiveDis tance AssistDIS TRONI Cis available in
th e15 mp h(20 km/h) to130mp h(210 km/h)
spe edrang e.
Ot her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel-sa ving,comfort‐
able ordynamic) (/page19 3)
R Initia tesacceler ationtothestor ed speed if
th etur nsignal indicat orisswitc hedonto
ch ang eto theov ertaking lane R
React sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les)
R Take sone-sided overtak ing restrictions into
acco untonhighwaysor on multi-lane roads
wit hseparat ero adw ays(countr y-dependen t)
Ad diti onalfunc tionav ailab lein certain coun‐
tr ies :if Ac tiveDis tance AssistDIS TRONI Cha s
br ak ed theve hicle toast ands till,it can automat ‐
icall yfo llo wtheve hicle infront when driving off
ag ain within 30seconds. Ifacr itical situation is
de tected inthesur round ingarea when drivin g
of f,suc has aper son intheve hicle path,avisual
and acous ticwarning isgiv en indic atingth at the
dr iver mus tno wtake contr olof theve hicle. The
ve hicle isno tacceler ated anyfur ther.
Ac tiveDis tance AssistDIS TRONI Cis ready to
pull away when thegr een ç vehicle symbol
fl ashes cyclic ally.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 210). 21
8
Driving and parking

Dr
iver dis pla yin theAssist ancemenu 1
Vehicle infront
2 Distance indicator
3 Setspe cified dist anc e
Ve hicle detected infront 1ishig hlight edin
gr een. Itma yal so be inthelane tothelef tof
yo ur vehicle insituations whereit is no tper mit‐
te dto overtake on theright, forex am ple onhigh ‐
wa ys.
Pe rm anen tst atus displa y
R ç (white): ActiveDis tance Assist
DIS TRONI Csel ect ed,sp eci fied distance set R
ç (gre en): ActiveDis tance Assist
DIS TRONI Cacti ve,specif ieddistance setand
ve hicle detected
The stor ed speed issho wnunder theper manen t
st atus displa yand highlight edon thespeedome‐
te r.When ActiveDis tance AssistDIS TRONI Cis
pa ssi ve,th est atus displa yis gray ed out.
If th espeed oftheve hicle infront orthespeed
adjus tmentis less than thestor ed speed dueto
th ero uteeve ntahead, thesegment sin the
speedome terlig ht up.
When these tspecif ieddistance isincr eased or
de crea sed ,th eÒ displa ybr ief lyappear s
unde rth eve hicle intheper manen tst atus dis‐
pla y.
% 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 son thedr iver displa y. 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 The windsh ieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar kingga rage 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 tance AssistDIS TRONI Cin
th ese situation s. Dr
iving andparking 21
9

&
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 tan ceAssi st
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.
R Allthedoor sar eclosed.
R Chec kof thera dar sensor system has been
success fullycompleted.
R Snow chain mode isno tact ive
(/ page36 6). 220
Drivin gand parking