
passenger
frontair bag both before andduring
the journ ey. G
WARN
ING
If the PAS SENGER AIRBAGOFF indicat or
lamp islit, the fron t-passenger frontair bag
is disabled. Itwill notbedeployed inthe
event ofan acciden tand cann otperfor mits
int ended protective func tion.A person inthe
fron t-passenger seatcould then,for exam-
ple, come intocon tact with thevehicle's
int erior, especially ifthe person issitt ing too
close tothe dashboard. Thisposes an
incr eased riskofinjury oreven fatalinjury.
When thefron t-passenger seatisocc upied,
always ensure that:
R the classific ationofthe person inthe
fron t-passenger seatiscorr ectand the
fron t-passenger frontair bag isenabled or
disabled inaccor dance withtheperson in
the fron t-passenger seat
R the fron t-passenger seathasbeen moved
back asfar back aspossible.
R the person isseated correctly.
Make sure,bothbefore andduring thejour-
ney, thatthestatusofthe fron t-passenger
fron tair bag iscorr ect. G
WARN
ING
If you secure achild inarearward-f acing
child restraint system onthe fron t-
passenger seatandthePAS SENGER AIR
BA GOFF indicat orlamp isoff, thefron t-
passenger frontair bag candeploy inthe
event ofan acciden t.The child could be
str uck bythe airbag. Thisposes an
incr eased riskofinjury oreven fatalinjury.
Make surethatthefron t-passenger frontair
bag hasbeen deactiv ated.ThePASSENGER
AIR BAGOFF indicat orlamp must belit.
NEV ERuse arearward-f acingchildrestraint
on aseat prote cted byan ACTIVE FRONT
AIRB AGinfron tof it;DE ATH orSERIOUS
INJURY tothe child canoccur.
If the PAS SENGER AIRBAGOFF indicat orlamp
stays off,donot installarearward-f acingchild rest
raint system onthe fron t-passenger seat.
You canfind more information onOCS under
"Problems withtheOcc upant Classification
System "(Y page 49). G
WARN
ING
If you secure achild inaforward- facingchild
rest raint system onthe fron t-passenger seat
and youposition thefron t-passenger seat
too close tothe dashboard, inthe event of
an acciden t,the child could:
R come intocon tact with thevehicle's inte-
rior ifthe PAS SENGER AIRBAGOFF indi-
cator lampislit, for example
R be struck bythe airbag ifthe
PAS SENGER AIRBAGOFF indicat orlamp
is off
This poses anincr eased riskofinjury or
even fatalinjury.
Move thefron t-passenger seatasfar back
as possible. Alwaysmakesurethatthe
shoulder beltstrap iscorr ectlyrouted from
the vehicle beltguide tothe shoulder belt
guide onthe child restraint system. The
shoulder beltstrap must berouted forwards
and downwards fromthevehicle beltguide.
Always observe thechild restraint system
manufact urer'sinstallation instruct ions.
If OCS determ inesthat:
R The front-passenger seatisunocc upied, the
PAS SENGER AIRBAGOFF indicat orlamp
lights upafter theself-t estand remains lit.
This indicat esthat thefron t-passenger front
air bag isdeactiv ated.
R The front-passenger seatisocc upied bya
child ofup totwelve monthsold, inastan d-
ard child restraint system, thePAS SENGER
AIR BAGOFF indicat orlamp lights upafter
the self-t estand remains lit.This indicat es
that thefron t-passenger frontair bag is
deactiv ated.
But even inthe case ofatwelve- month-old
child, inastan dard child restraint system,
the PAS SENGER AIRBAGOFF indicat or
lamp cangoout after theself-t est.This indi-
cates thatthefron t-passenger frontair bag
is activ ated. Theresult ofthe classific ation
is dependen ton, among otherfactors, the
child restraint system andthechild's stat- Occupant
safety
47Safet y Z

ure.
Makesure that theco nd ition sfor aco r-
rec tclas sificat ion are met .If th e
PA SS EN GER AIR BA GOF Find icat orlamp
rem ains off,do notins tall ach ild res traint
syst emonthefron t-pass enger seat .
R The fron t-pass enger seat isoc cupi edbya
per son ofsmal lerstatur e(e. g.ate en ager or
smal ladult ),th ePA SS EN GER AIR BA GOF F
ind icat orlamp either light sup and remains
lit aft ertheself -test depen dingon theres ult
of theclas sificat ion or,alte rnativ ely, goes
out .
- Ifth ePA SS EN GER AIR BA GOF Find icat or
lamp isoff ,mov eth efron t-pass enger seat
as far back asposs ible.
- Ifth ePA SS EN GER AIR BA GOF Find icat or
lamp islit,a per son ofsmal lerstatur e
sho uld notuse thefron t-pass enger seat .
R The fron t-pass enger seat isoc cupi edbyan
adult oraper son ofcorrespo nding statur e,
th ePA SS EN GER AIR BA GOF Find icat or
lamp goesoutaftertheself -test .This indi-
cat esthat thefron t-pass enger fron tair bag
is act ivat ed.
If ch ildr enare traveli ngintheveh icle,be sure
to obse rveth eno teson "Childr enintheveh i-
cle "(Y page 53).
When theOc cupan tClassi ficatio nSys tem
(OCS )is malf unctionin g,thered 0075 restraint
syst emwarn inglamp ontheins trumen tclus -
te rand thePA SS EN GER AIR BA GOF Find ica-
to rlamp lightupsim ultan eousl y.The fron t-
pass enger fron tair bag isdeac tivate din this
cas eand does notdeplo ydurin gan acc iden t.
Hav eth eOc cupan tClassi ficatio nSys tem
(OCS )ch eck edand repaired immediat elyata
qualif iedspec ialist workshop.Mer cedes-Ben z
rec omm ends that you useanauth orized
Mer cedes-Ben zCen terfor this purpo se.
If th efron t-pass enger seat ,th eseat cover or
th eseat cushion aredamag ed,have thene c-
ess ary repairwork carried outataqualif ied
spec ialist workshop.Mer cedes-Ben zrec om-
men dsthat you useanauth orizedMer cedes-
Ben zCen terfor this purpo se.
For safe tyreas ons,Mer cedes-Ben zrec om-
men dsthat you onlyuse seat accessorie sth at
have been approvedby Mer cedes-Ben z.
De ploym entof thedriv er'sair bag does not
mean that thefron t-pass enger fron tair bag
deplo ysas well. TheOccupan tClassi ficatio n
Sys tem (OCS )cat egor izesth eoc cupan ton the
fr on t-pass enger seat .De pen dingon that res
ult, thefron t-pass enger fron tair bag is
eit her enabled ordeac tivate d.
Self -check oftheOccup antClas sifica-
tion System (OCS) G
DANG
ER
If th ePA SS EN GER AIR BA GOF Fand
PA SS EN GER AIR BA GON indicat orlamps do
no tbot hlight updurin gth eself -test ,th e
syst emismalf unctionin g.The fron t-
pass enger fron tair bag migh tbe trigge red
unin tent ion ally ormigh tno tbe trigge redat
all intheeve ntofan acc iden twit hhigh
dec eler ation.This pose san increas edriskof
inj ury oreve nfat alinj ury.
In this cas eth efron t-pass enger seat may
no tbe used. Donotins tall ach ild res traint
syst emonthefron t-pass enger seat .Hav e
th eOc cupan tClassi ficatio nSys tem (OCS )
ch eck edand repaired immediat elyata
qualif iedspec ialist workshop. G
WAR
NING
If th ePA SS EN GER AIR BA GOF Find icat or
lamp remains litaft ertheself -test ,th efron t-
pass enger fron tair bag isdeac tivate d.Itwill
no tbe deplo yedintheeve ntofan acc iden t.
In this cas e,thefron t-pass enger fron tair
bag cannotper formits intended protective
fun ction ,e.g .when aper son isseat edinthe
fr on t-pass enger seat .
That person could, forexample ,co me into
co ntact withth eveh icle'sint erio r,espe cially
if th eper son issit tin gto oclo setothedash-
boar d.This pose san increas edriskof injury
or eve nfat alinj ury.
When thefron t-pass enger seat isoc cupi ed,
always ensure that:
R theclas sificat ion oftheper son inthe
fr on t-pass enger seat isco rrect and the
fr on t-pass enger fron tair bag isen abled or 48
Occup
antsafetySaf ety

deactiv
atedinaccor dance withtheper-
son inthe fron t-passenger seat
R the person isseated properly withacor-
rect lyfasten edseatbelt
R the fron t-passenger seathasbeen moved
as far back aspossible
If the PAS SENGER AIRBAGOFF indicat or
lamp remains litwhen itshould not,the
fron t-passenger seatmust notbeused. Do
not installachild restraint system onthe
fron t-passenger seat.Have theOcc upant
Classification System(OCS)checkedand
repaired immediately ataqualified specialist
worksh op. G
WARN
ING
Objec tsbetween theseat surface andthe
child restraint system couldaffect OCS
operation .This could result inthe fron t-
passenger airbag notfunc tioningasinten-
ded during anacciden t.This poses an
incr eased riskofinjury oreven fatalinjury.
Do not place anyobjec tsbetween theseat
surface andthechild restraint system. The ent
irebase ofthe child restraint system
must always restonthe seat cushion ofthe
fron t-passenger seat.Thebackr estofthe
forward- facingchild restraint system must,
as far aspossible, berest ingonthe back-
rest ofthe fron t-passenger seat.Always
comply withthechild restraint system man-
ufactur er'sinstallation instruct ions.
Aft erthe self-t est,thePAS SENGER AIRBAG
OFF orthe PAS SENGER AIRBAGON indicat or
lamp displays thestatusofthe fron t-
passenger frontairbag (Ypage 46).Ifthe
fron t-passenger frontairbag isenabled, the
PAS SENGER AIRBAGON indicat orlamp lights
up for 60secon dsand then goes out.
If the PAS SENGER AIRBAGON indicat orlamp
is off, only thePAS SENGER AIRBAGOFF indi-
cator lampshows thestatusofthe fron t-
passenger frontairbag. ThePASSENGER AIR
BA GOFF indicat orlamp maybelitcon tinu-
ously orbe off.
For more information abouttheOCS, see
"Problems withtheOcc upant Classification
System "(Y page 49).
Problems withtheOccupant Classification System(OCS) Be
sure toobserve thenoteson "System self-test"(Ypage 48). Occupant
safety
49Safet y Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
PASS ENGER AIR
BAG OFFindicator lamp
lights upand remains
lit, even though the
front -passenger seatis
occupied byan adult or
a person ofastature
correspondin gto that of
an adult. The
classification ofthe person onthe front -passenger seatisincor-
rect.
X Make surethecondition sfor acorrect classification ofthe per-
son onthe front -passenger seataremet (Ypage 46).
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains lit,the
front -passenger seatmaynotbeused.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-Ben zCenter. The
PASS ENGER AIR
BAG OFFindicator lamp
does notlight up
and/or doesnotstay
on.
The front -passenger
seat is:
R unoccupied
R occupied bythe
weight ofachild up
to twelve monthsold
in achild restraint
system OCS
ismalfunctionin g.
X Make surethere isnothin gbetween theseat cushion andthe
child seat.
X Make surethattheentire baseofthe child restraint systemrests
on the seat cushion ofthe front -passenger seat.Thebackrest of
the forward-facing childrestraint systemmustlieasflat aspossi-
ble against thebackrest ofthe front passenger seat.Ifnecessary,
adjust theposition ofthe front -passenger seat.
X When installing thechild restraint system,makesurethatthe
seat beltistight. Donot pull theseat belttight using thefront -
passenger seatadjustment .This could result inthe seat beltand
the child restraint systembeingpulled tootightly.
X Check forcorrect installation ofthe child restraint system.
Make surethatthehead restraint doesnotapply aload tothe
child restraint system.Ifnecessary, adjustthehead restraint
accordingly.
X Make surethatnoobject sare apply ingadditional weightontothe
seat.
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains off
and/or thePASS ENGER AIRBAG ONindicator lamplights up,do
not install achild restraint systemonthe front -passenger seat.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-Ben zCenter. Deployment
ofEmergency Tension-
ing Devic esand airbags
Import antsafety notes G
WARNING
The airbag parts arehot after anair bag has
been deploye d.There isarisk ofinjury.
Do not touch theairbag parts. Havea
deploye dair bag replaced ataquali fiedspe-
cialist workshop assoon aspossible. G
WARNING
A deploye dair bag nolonger offersanypro-
tect ionand cannot provide theinten dedpro-
tect ioninan accident. Thereisan increased
risk ofinjury.
Have thevehicle towedtoaquali fiedspe-
cialist workshop inorder tohave adeploye d
air bag replaced.
For your ownsafety andthat ofyour front
passenger, itis important thatyouhave
deploye dair bags replaced anddefective air
bags repaired. Thiswillhelp tomake surethe
air bags continue toperform theirprotect ive 50
Occ
upantsafetySafety

Res
ettingtrigg eredNEC K-PRO head
res traints Do
not inse rtyo ur fing erbetw eentheuphol s-
tery ofthe headres trai ntand theseat.Pa y
pa rticu larattenti onwhile res etting theNECK -
PR Ohea dres trai nts.
X Tilt the top ofthe NECK -PROhea dres trai nt
cus hionforw ardsin the directi onof
arr ow 0043.
X Pu sh the NECK -PROhea dres trai ntcus hion
dow nas far asitwi llgo inthe directi onof
arr ow 0044.
X Firm lypu sh the NECK -PROhea dres trai nt
cus hionba ck inthe directi onofarr ow 0087
unti lthe cushionenga ges.
X Re pea tthis proced ure forthe seco ndNECK -
PR Ohea dres trai nt.
i Re
setti ngthe NECK -PROhea dres trai nts
req uires alotof streng th.Ifyo uha ve diffi-
cul tyres etting theNECK -PROhea d
res trai nts, have this workcarr ied ou tat a
qu alifi ed spe cialist wo rksho p. PRE
-SAFE®
(an ticipato ryoccupa nt
prote ction sys tem)
PR E-SAFE ®
info rms youof certa incriti caldriv-
ing situ ations and take spre -emp tivemea sures
to pro tect thevehicleoccu pants.
PR E-SAFE ®
can take thefollowi ng mea sures
ind epe ndentl yof each othe r:
R pre -tensi oning thedriver' sand front-
pa sse nger seatbel t.
R clo sing thesidewi ndow s.
R veh icles with amemo ryfuncti on:setti nga
more favora ble sea tpos ition for the front-
pa sse nger seat. !
Ma
kesure that there arenoobje ctsinthe
foo twe llor beh indthe seats.The reisada n-
ger that theseatsand /or obje ctscou ldbe
da mag edwhen PRE-SAFE ®
is acti vate d.
Shou ldan acci dent notoccu r,the preventa tive
mea sures take nare reve rsed.Ce rtai nsetti ngs
mus tbe mad eyo urs elf.
X Ifthe seatbel tpre -tensi oning isnot
red uce d,move theseatba ckrest back
sli ghtl y.
Sea tbel tpre -tensi oning isrel eased . Auto
matic measuresafter anacc i-
den t
Imme diate lyafte ran acci dent, thefollowi ng
mea sures are implemente d,dep endi ngon the
typ eand severityof the impact:
R the hazard warning lamps areswitched on
R the eme rgency lighti ngisacti vate d
R the vehicledoo rsare unlocked
R the front sidewi ndow sare lowe red
R veh icles with amemo ryfuncti on:the electri -
cal lyad justa ble stee ring wheel israi sed
wh en the driver' sdoo ris ope ned
R the engi neisswi tched offand thefuelsu p-
pl yis cut off
R veh icles with Mer cedesme connect: auto-
mati ceme rgency call Chi
ldre nin the vehic le Impo
rtant safetynotes
If achi ldyoung erthan twelveyears old and
und er5ft (1.50 m)inhe ight istra vel ing inthe
veh icle:
R alwa yssecur ethe childinachi ldres traint
sy ste msuita ble for Merced es-Benz vehicles .
The childres traint syste mmu stbe appro pri-
ate tothe age, we ight and size ofthe child.
R be sure to observe the instructio nsand
sa fety note sin thi sse ctio nin ad ditio nto the
chi ldres traint syste mma nuf actu rer'sins tal-
la tio nins tructio ns.
R alwa ysobserve the instructio nsand safety
note son the "Occu pant cla ssificati on sys-
tem (OCS) ".(Y page 46) Ch
ildren inthe vehic le
53Safe ty Z

tem.
Thisconfi rmationcan also be fou ndin
the installatio nins tructio nstha tar eincl uded
wi th the childres traint syste m.
Ob serve the warning labe lsin the vehicleinte -
rio rand onthe childres traint syste m. Ch
ild res train tsys tem onthe front-
pass engerse at
Ge neral notes If
yo uins talla chi ldres traint syste mon the
fro nt-pa ssenge rse at, alwa ysobserve the
ins tructio nsand safety note son the "Occu -
pa nt Clas sific ati on Sys tem (OCS) "(Y page 46) .
Yo ucan thusav oid the risks tha tcou ldarise
as ares ultof:
R an inco rrectly cate gorized perso nin the
fro nt-pa ssenge rse at
R de acti vating thefrontpasse nge rfro ntair
ba guni ntenti onally
R the unsuitab lepo sitio ning ofthe child
res traint syste m, e.g.too closetothe dash-
bo ard
Rea rwa rd-fac ingch ild res train tsys tem If
cir cum stances require youto secur eachi ld
in area rward-fa cing childres traint syste mon
the front-pa ssenge rse at, alwa ysma kesure
tha tthe frontpasse nge rfro ntairba gis de acti -
va ted .Onl yif the PASSEN GERAIRBAG OFF
ind icator lamp islit conti nuously(Y page 39),
is the frontpasse nge rfro ntairba gde acti va-
ted .
Alw aysob serve the childres traint syste m
ma nuf actu rer'sins tallatio nand opera ting
ins tructio ns.
Fo rwa rd-fac ingch ild res train tsys tem If
yo use cur eachi ldinafor wa rd-f acing child
res traint syste mon the front-pa ssenge rse at,
al wa ysmov ethe front-pa ssenge rse at as far
ba ck aspossi ble. The entirebase ofthe child
res traint syste mmu stalwa ysres ton the seat
cus hion ofthe front-pa ssenge rse at. The back-
res tof the childres traint syste mmu stlie as
fla tas possi ble ag ainst the backre stof the
fro nt-pa ssenge rse at. The childres traint sys-
tem mustnot touchthe roofor be subje cted
to aload bythe head res traint. Adju stthe
ang leof the seat backre stand thehead res
traint positio nacc ordingly.Alw aysma ke
su re tha tthe shoulde rbe ltstra pis corr ectly
rou ted fromthe front-pa ssenge rse at belt
gu ide to the shoulde rbe ltgu ide on the child
res traint syste m. Thesho ulde rbe ltstra pmu st
be rou ted forwa rdand down fromthe front-
pa sse nge rse at beltgu ide.
Alw aysob serve the childres traint syste m
ma nuf actu rer'sins tallatio nand opera ting
ins tructio ns. Pe
ts inthe vehic le G
WA
RNING
If yo uleav eani ma lsuns uperv ised oruns e-
cur edinthe vehicle, the yma ypre ssbuttons
or sw itch es,for instance .
In thi swa y,ani ma lsma y:
R acti vate veh icleeq uipme ntand become
tra pped,for exa mpl e
R sw itch syste ms onoroff and thereb y
end angerothe rroa dus ers
Fur thermo re,uns ecu red anima lsma ybe
flu ng arou nd inside the vehiclein the event
of an acc ident orabrupt ste ering orbra king
ma neu ver,and thereb yinju reveh icleoccu -
pa nts. There isaris kof acc ident and injury.
Nev erleav eani ma lsuna ttend edinthe vehi-
cle .
Alw aysse cur eani ma lspro perly when driv-
ing ,for instance with asu ita ble pe tcar rier. Dri
ving safety systems Ov
erv iew of driv ingsaf ety systems
In thi sse ctio n,youwi llfin dinf orm ation abou t
the followi ng drivin gsa fety syste ms:
R ABS (Anti -lock Braki ng Syste m)
(Y page 57)
R BAS (Bra keAssist Sy ste m) (Ypage 57)
R Activ eBra keAssi st(Y page 58)
R Ada ptive bra kelights (Ypage 60)
R ESP ®
(El ectr onicSta bility Pro gram)
(Y page 60) 56
Dr
ivi ng safet ysy stem sSafet y

R
EBD (El ectro nicBrakeforce Dis trib ution)
(Y page 63)
R ADAPT IVEBRA KE(Ypage 64) Impo
rtant safety notes
If yo ufa ilto adaptyo ur drivin gsty leor ifyo u
ar eina ttenti ve,the drivin gsa fety system scan
nei the rred uce theriskof an acc ident nor
ove rride the laws ofphysics .Driv ingsafety
sy stem sar emer elyai ds designe dto assist
dri vin g.
Yo uar eres ponsi ble for mainta ining the dis-
tance tothe vehiclein fro nt, for veh iclesp ee d,
for braking ingo od time ,and forstaying in
la ne. Alwaysad aptyo ur drivin gsty leto suit
the prevailing roadand weath ercond itions and
ma inta inasa fe dista nce fromthe vehiclein
fro nt. Driv ecar efully.
The drivin gsa fety system sde scri bedonl y
wo rkas effecti velyas possi ble wh en the reis
ad eq uate conta ctbetwe enthe tiresand the
roa dsu rfa ce. Paypa rtic ular atte ntionto the
info rma tionreg arding tire s,reco mme nded
min imumtire trea dde pth setc. inthe "Wheels
and tires"sec tion(Y page 267) .
In wintry drivin gcond itions, alwa ysusewi nter
tire s(M +S tire s)and ifnece ssary,snow
cha ins.Onl yin thi swa ywi llthe drivin gsa fety
sy stem sde scri bedin thi ssec tionwo rkas
eff ecti velyas possi ble. ABS
(Anti -lock Braki ngSys tem)
Ge neral info rmatio n ABS
regulate sbra kepre ssu reinsuch awa y
tha tthe wheelsdo not lock when youbra ke.
Thi sal lo ws youto conti nuesteeringthe vehi-
cle when bra king .
The 0025 ABSwarning lamp inthe instrument
clu ster lights upwhen the igniti onissw itch ed
on. Itgo es outwh en the engineisrunning .
ABS works fromasp ee dof abou t5 mph
(8 km/h ),reg ardless ofroa d-surface cond i-
tio ns. ABS works onslip pe ry surfa ces ,eve n
wh en youonl ybra kegently . Impo
rtant safety notes i
Ob
ser vethe "Impo rtantsafety note s"sec -
tio n(Y page 57) . G
WA
RNING
If ABS isma lfunctio ning,the wheelscou ld
lo ck when bra king .The stee rability and
bra king characteri stics wo uld be sev erely
af fecte d.The reisan incr eased dange rof
ski dding and accidents .
Driv eon car efully. Hav eABS checked imme-
di ate lyat aqu alifi ed speci alistwo rksh op.
Wh enABS isma lfunctio ning,othe rsy stem s,
incl uding drivin gsa fety system s,willal so
be come inoperative .Ob ser vethe informa tion
on the ABS warning lamp (Ypage 210 )and
di sp laymes sage swh ich maybe sho wninthe
ins trument cluster (Ypage 183 ).
Brake s X
IfABS interv enes:conti nuetodepre ssthe
bra kepedalvig oro uslyunti lthe braking sit-
ua tio nis ove r.
X To make aful lbrak eappl icatio n:depre ss
the brakepedalwi th fullfor ce.
If ABS intervenes when bra king ,yo uwi llfee la
pu lsing inthe brakepedal.
The pulsati ng bra kepedalcan beanind ication
of hazar dous roa dcond itions, andfunctio nsas
a rem inderto take extra carewh ile dri vin g. BAS
(Brak eAs sist Sys tem)
Ge neral info rmatio n BAS
opera tes ineme rgency braking situa tions.
If yo ude pre ssthe brakepedalqu ickl y,BAS
au toma tically bo osts thebraking force, thus
sho rteni ngthe stop ping dista nce.
Impo rtant safety notes i
Ob
ser vethe "Impo rtantsafety note s"sec -
tio n(Y page 57). Dr
ivi ng safet ysy stem s
57Safet y Z

The
distance warningfunctionmay notgive
warnings inall critic alsituations. Thereisa
risk ofan accident .
Always paycareful attentiontothe traff ic
situation andbeready tobrake.
Always adaptyourspeed tosuit theprevail-
ing road andtrafficcondit ions. G
WARNIN
G
The distance warningfunctioncann ot
alway sclearly identify objectsand complex
traff icsituations.
In such cases, thedistance warningfunction
may:
R give anunnec essary warning
R not give awarning
There isarisk ofan accident .
Always paycareful attentiontothe traff ic
situation anddonot rely solely onthe dis-
tanc ewarning function.
Function Start ingataspeed ofapproximately 4mph
(7 km/ h),the distance warningfunctionwarns
you ifyou rapidly approach avehicle infront .
An inter mittentwarning tonewill then sound,
and the00BA distance warninglampwilllight
up inthe instr ument cluster.
X Brake immediately inorder toincrease the
distance fromthevehicle infront .
or X Take evasive action,provided itis safe todo
so.
Due tothe nature ofthe system, particularly
complicated butnon- critic aldriving conditions
may alsocause thesystem todisplay awarn-
ing.
With thehelp ofthe radar sensor system, the
distance warningfunctioncan detect obsta-
cles thatareinthe path ofyour vehicle foran
exten dedperiod oftime.
Up toaspeed ofapproximately 44mph
(70 km/ h),the distance warningfunctioncan
also react tostation aryobstacles, suchas
stopped orparked vehicles. Autonomous
brakingfunction If
the driver doesnotreact tothe distance
warning signalinacritic alsituation, Active
Brake Assist canassist withtheautonomous
braking function.
If the autonomous brakingfunctionrequires a
particularly highbraking force,prevent ative
passenger protectionmeasures (PRE-SAFE®
)
are activated simultaneously.
Vehicles withoutActiveDistance Assist
DISTRONIC: theautonomous brakingfunction
is availab lein the following speedranges:
R 4-65 mph (7-105 km/h)for moving
objects
R 4-31 mph (7-50 km/h )for stationa ry
objects
Vehic leswith Active Distance Assist
DI STRONIC: theautonomous brakingfunction
is ava ilable inthe followi ngspee dranges :
R 4-124 mph (7-200 km/h )for moving
objects
R 4-31 mph (7-50 km/h )for stationa ry
objects
Due tothe nature ofthe system ,parti cularly
compli catedbutnon-critical drivingconditio ns
may alsocaus ethe autonomous brakingfunc-
tion tointervene.
If the autonomous brakingfunction requiresa
parti cularlyhigh braki ngforce, preventa tive
pas senger protection measures(PRE-SAFE ®
)
are activa tedsimu ltaneo usly(Y pag e53).
Adaptive BrakeAssist Gene
ralinfo rmation
i Observ
ethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
With thehelp ofAdapti veBrake Assist, thedis-
tance warning signalcan detect obstaclesthat
are inthe path ofyou rvehicl efor anextended
peri odoftime.
If Adapti veBrake Assist detects arisk ofcolli -
sion with thevehicl ein front, itcalcu latesthe
braki ngforce necessa ryto avoi dacolli sion. If
you applythe brakes forcefully,Adapti ve
Brake Assist willau tomatica llyincreas ethe
braki ngforce toaleve lsui tabl efor the traffic
conditio ns.
Adapti veBrake Assist providesbraki ngassi s-
tance inhaza rdoussitua tions atspee dsabo ve Driv
ingsafety systems
59Safety Z