2020 MERCEDES-BENZ SL CLASS ESP

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 48).
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 Make surethattheseat cushion lengthisfully retract ed.
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. Roll
bar G
DANGER
If the rollbar has developed amalfunction, it
may notfunct ion,e.g. inthe event ofan
accident. Therollbars maythen notprotect
the vehicle occupants asinten ded.This
poses anincreased riskofinjury oreven
fatal injury.
Have rollbars check edimmediately ata
quali fiedspecialist workshop. G
WARNING
If you place object sor clothing onthe roll
bar covers, thesecouldimpair rollbar exten -
sion. Therollbars maythen notprotect the
vehicle occupants asinten ded.Inaddition,
object scould endanger thevehicle occu-
pants whentherollbar isexten ding.This
poses anincreased riskofinjury oreven
fatal injury.
Ensure thatthemovement areaofthe roll
bar covers iskept clear. Always stowall
object sin the vehicle correctly. 52
Occ
upantsafetySafety

The
rollbars arelocated inthe rear area ofthe
vehicle underthetwo outer rearcompart ment
trim covers.
They exten difsystems detectthatthevehicle
is in danger ofrollover. Thetwo outer rear
compart menttrimcovers areopened andthe
roll bars areexten dedwithin fractions ofa
second.
Once therollbars areexten ded,youcan no
longer lowerthem. Anopen roofcannolonger
be closed. Inthis case, visitthenearest quali-
fied specialist workshop. Deployment
ofEmergency Tension-
ing Devic esand airbags
Import antsafety notes G
WARNIN
G
The airbag parts arehot after anair bag has
been deployed. Thereisarisk ofinjury.
Do not touch theairbag parts. Havea
deployed airbag replaced ataqualified spe-
cialist workshop assoon aspossible. G
WARNIN
G
A deployed airbag nolonger offersanypro-
tect ionand cann otprovide theinten dedpro-
tect ioninan accident .There isan increased
risk ofinjury.
Have thevehicle towedtoaqualified spe-
cialist workshop inorder tohave adeployed
air bag replaced.
For your ownsafety andthat ofyour front
passenger, itis important thatyouhave
deployed airbags replaced anddefect iveair
bags repaired. Thiswillhelp tomake surethe air
bags continue toperform theirprotec tive
funct ionforthe vehicle occupant sin the event
of acrash. G
WARNIN
G
Emergen cyTensionin gDevices thathave
deployed pyrotechn icallyarenolonger
operational andareunable toperform their
inten dedprotec tivefunct ion.This poses an
increased riskofinjury oreven fatalinjury.
Have pyrotechn icallytriggered Emergency
Tensionin gDevices replaced immediately at
a qualified specialist workshop.
An electric motorisused byPRE-S AFE®
to
trigger thetighten ingofthe seat beltinhaz-
ardous situations. Thisprocedure isreversible.
If Emergen cyTensionin gDevices aretriggered
or air bags aredeployed, youwillhear abang,
and some powder mayalsobereleased. The
0075 restraintsystem warning lamplights up.
Only inrare cases willthebang affect your
hearing. Thepowder thatisreleased generally
does notconst ituteahealth hazard, butitmay
cause short-termbreathing difficulties inpeo-
ple with asthma orother respiratory problems.
Provided itis safe todo so, you should leave
the vehicle immediately oropen thewindow in
order toprevent breathing difficulties.
Air bags andpyrotechn icEmergen cyTension-
ing Devices (ETDs)cont ainperchlorate mate-
rial, which mayrequire specialhandling and
regard forthe environ ment.National guide-
lines must beobserved duringdisposal. InCal-
ifornia, seewww .dtsc.ca.gov/
Haza rdousW aste/Perchlora te/index.cfm.
Method ofoperat ion During
thefirst stage ofacollision, the
restr aintsystem controlunit evaluates impor-
tant physical datarelating tovehicle decelera-
tion oracceleration ,such as:
R duration
R direction
R inten sity
Based onthe evaluation ofthis data, the
restr aintsystem controlunit triggers theEmer-
gency Tensionin gDevices duringahead-on or
rear-en dcollision. Occupant
safety
53Safety Z

An
Emer gencyTensi oni ng Devi cecan onlybe
trig gered,if:
R the igniti onissw itch edon
R the comp onents ofthe restrai ntsystem are
op era tional .Yo ucan find furthe rinfo rma tion
und er"Restr aint system warning lamp"
(Y page 41)
R the seatbe ltbu ckle tongu eha seng aged in
the beltbu ckle ofthe respective seat
If the restrai ntsystem contro luni tde tects a
more severe acci dent, furthe rcomp onents of
the restrai ntsystem areacti vated independ -
entl yof each othe rin certa infronta lcol lisi on
si tua tions:
R Front airba gs aswellas driver 'sand front-
pa sse nge rknee bags
Dep endingonthe perso nin the front-
pa sse nge rsea t,the front-p asseng erfront air
ba gis either enabled ordisa bled .The front-
pa sse nge rfront airba gcan bedeploy ed inan
acci dent onl yif the PASSENG ERAIR BAG OFF
ind icator lamp isoff. Obs ervethe informa tion
on the PASSENG ERAIR BAG indicator lamps
(Y page 41).
Yo ur veh icleha stwo -sta gefront airba gs.
The activatio nthre sholdof the Emer gency
Te nsi oni ng Devi cesand theairba gs isde ter-
mine dby eva luati ng the rate ofveh iclede cel -
era tionor acce lera tio nwh ich occu rsat vario us
po ints inthe vehicle. Thi spro ces sis pre -emp -
tive innatu re.Dep loym ent should take place
in goo dtime atthe startof the collisi on.
The rate ofveh iclede cel era tionor acce lera -
tio nand thedirecti onofthe forc ear eess en-
tia lly de term inedby :
R the distri butio nof forc esduring thecollisi on
R the collisi on ang le
R the deform ation cha racteri stics ofthe vehi-
cle
R the characteri stics ofthe object with wh ich
the vehicleha scol lide d
Facto rswh ich can onlybe see nand measured
afte ra col lisi on hasoccu rreddo not play a
de cis ive rolein the deploy ment ofan airba g.
Nor dothey providean ind icationof airba g
de ploy ment.
The vehiclecan bedeform edconsi derably,
wi thou tan airba gbe ing deploy ed .Thi sis the
cas eif onl ypa rts which arerel ativel yea sily
de form edareaff ecte dand therate ofdecel er-
ati on isnot high. Conver sely,airba gs ma ybe
de ploy ed eve nthou ghthe vehiclesu ffer sonl y mino
rde form ation. Thisis the caseif, for
exa mpl e,ver yrig idveh iclepa rts such aslongi -
tud inalbo dy mem bers arehit, and sufficie nt
de cel era tionoccu rsas ares ult.
If the restrai ntsystem contro luni tde tects a
si de imp act orifthe vehiclerol lsove r,the
ap plica ble comp onents ofthe restrai ntsystem
ar ede ploy ed independ entl yof each othe r
de pendi ng on the apparent typeof acci dent.
R Sid eimp act airba gon the side ofimp act,
ind epend entl yof the Emer gency Tensi oni ng
Devi ceand theuseof the seatbe lton the
dri ver 'ssea t
The side imp act airba gon the front
pa sse nge rsi de deploy sund erthe followi ng
cond itions:
- the OCSsy stem detects thatthe front
pa sse nge rsea tis occu pied or
- the seatbe ltbu ckle tongu eis eng aged in
the beltbu ckle ofthe front passe nge r
sea t
R Hea dba gon the side ofimp act, independ -
entl yof the useof the seatbe ltand inde-
pe nde ntly ofwh ethe rthe front-p asseng er
sea tis occu pied
R Emer gency Tensi oni ng Devi ces,if the sys-
tem determ inestha tde ploy ment canoffer
ad ditio nal protecti oninthi ssitua tion
R Hea dba gs on the driver 'sand front-
pa sse nge rsi de incerta insitua tions when
the vehiclerol lsove r,ifthe system deter-
mine stha tde ploy ment canofferad ditio nal
pro tecti ontotha tpro vided bythe seatbe lt
i Not
allai rba gs arede ploy ed inan acci -
de nt. The vario us airba gs workind epend -
entl yof each othe r.
How theairba gwo rks isde term inedby the
sev erityof the acci dent detecte d,esp ecially
the vehiclede cel era tionor acce lera tio nand
the apparent typeof acci dent:
R Hea d-oncol lisi on
R Sid eimp act
R Ro llove r 54
Oc
cupant safetySafe ty

Child
reninthevehi cle Imp
ortant safety notes
If ach ild youn gerthan twe lveyears oldand
unde r5 ft (1. 50 m)inheig htistraveli nginthe
veh icle:
R always secure thech ild inach ild res traint
syst emsuitable forMer cedes-Ben zveh icles.
The child res traint systemmust beappro pri-
ate totheage, weigh tand sizeof thech ild.
R be sure toobse rveth eins truct ionsand
safe tyno tesin this sec tionin addit iontothe
ch ild res traint systemman ufacturer'sins tal-
lati on instruct ions.
R always observeth eins truct ionsand safety
no teson the"Oc cupan tClassi ficatio nSys -
te m (OCS )"(Y page 48) G
WAR
NING
If ch ildre nare left unsuperv isedintheveh i-
cle ,th ey coul d,inpart icular :
R Open doors,there byendan gering other
pers onsor road users
R Get outand bestruc kby oncom ingtraff ic
R Oper atevehicle equipm entand become
tr apped, forexample
In addit ion,ch ildre ncoul dset theveh icle in
mot ion,for example ,if th ey:
R Release thepark ingbrak e.
R Chan gethetrans mis sion position
R Start theveh icle
Ther eis aris kof acc iden tand injury.
Nev erleave childre nuns uperv isedinthe
veh icle.
When leavingtheveh icle,always taketh e
Sm artKey withyou and lockth eveh icle.
Keep theSm artKey outofthereac hof chil-
dren . G
WAR
NING
If pers ons,part icular lych ildre nare subj ec-
te dto pro longed exposur eto extreme heat
or col d,there isaris kof injury, poss ibly
eve nfat al. Nev erleave childre nunat tende d
in theveh icle. G
WAR
NING
If th ech ild res traint systemissubj ectedto
dire ctsun light ,part smay getveryhot .Chil-
dren mayburn thems elveson these parts,
part icular lyon themet alpart sof thech ild
res traint system. Ther eis aris kof injury.
If you leave theveh icle,tak ing thech ild with
you, always ensure that thech ild res traint
syst emisno tex pose dto dire ctsun light .
Pro tect itwit hablan ket,for example .If th e
ch ild res traint systemhas been expose dto
dire ctsun light ,let itcoo ldown before secur-
ing thech ild init. Nev erleave childre nunat -
te nde din theveh icle.
Always ensure that all veh icle occupan tshave
th eir seat beltsfast ened cor rectlyand aresit-
tin gpro perl y.Part icular attentio nmust bepaid
to childre n.
Obse rveth esafe tyno teson theseat belt
(Y page 42)and theno teson cor rectuse of
seat belts(Y page 43).
A boos terseat maybeneces sary toach ieve
pro per seat beltpositionin gfor childre nove r
40 lbs (18 kg)unt ilth ey reac haheig htwher e
a th ree -point seat beltcanbepro perlyfas-
te ne dwit hout aboos terseat . Sp
ecial seatbelt retractor G
WAR
NING
If th eseat beltisrele ased while driving,th e
ch ild res traint systemwill nolonger be
sec ured properly.The spec ialseat belt
ret rac toris disabl edand theine rtia real
draws inapor tionof theseat belt.The seat
belt cannotbe imm ediat elyrefast ened.
Ther eis an increas edriskof injury, poss ibly
eve nfat al.
St op theveh icle imm ediat ely,payin gatt en-
tio nto road andtraff icco nd ition s.React i-
vat eth espec ialseat beltretrac torand
sec ure thech ild res traint systemproperly.
The seat beltonthefron t-pass enger 'sside is
equipp edwithaspec ialseat beltretrac tor.
When activat ed, thespec ialseat beltretrac tor Child
reninthevehi cle
57Safety Z

ensures
thattheseat beltcann otslacken once
the child seatissecured.
Inst alling achild restraintsystem:
X Make sureyouobserve thechild restraint
system manufact urer'sinstallation instruc-
tion s.
X Pull theseat beltsmoot hlyout ofthe seat
belt guide.
X En gage seatbelttongue inbelt buckle.
Act ivating thespecial seatbeltretractor :
X Pull theseat beltoutfully andletthe inert ia
reel retract itagain.
While theseat beltisretr actin g,you should
hear aratc hetin gsound. Thespecial seat
belt retractor isenabled.
X Push thechild restraintsystem downsothat
the seat beltistight anddoes notloosen.
Removing thechild restraintsystem anddeac-
tivat ingthe special seatbeltretractor :
X Make sureyouobserve thechild restraint
system manufact urer'sinstallation instruc-
tion s.
X Press therelease buttonofthe seat belt
buckle androute theseat belttongue back
towards theseat beltguide.
The special seatbeltretractor isdeactiva-
ted. Child
restraintsystem
The useofseat belts andchild restraintsys-
tems isrequired bylaw in:
R all 50 stat es
R the U.S.terr itories
R the Dist rictofColumbia
R all Canadian provinces
You canobtain furtherinfor mation aboutthe
corr ectchild restraintsystem fromanyauthor-
ized Mercedes- BenzCenter . G
WARN
ING
If the child restraintsystem isinst alled
incor rectlyon asuitable seat,itcann otpro-
tec tas inten ded.Thechild cannotthen be
restr ained inthe event ofan acciden t,heavy
braking orsudden changes ofdirect ion.
There isan incr eased riskofinjury, possibly
even fatal. Make
surethatyouobserve thechild
restr aintsystem manufact urer'sinstallation
inst ruct ions andthenoteson use. Please
ensure, thatthebase ofthe child restraint
system isalway srestin gcomplet elyonthe
seat cushion. Neverplaceobjects,e.g. cush-
ions, under orbehind thechild restraintsys-
tem. Onlyusechild restraintsystems with
the original coverdesigned forthem. Only
replace damaged coverswith genuine cov-
ers. G
WARN
ING
If the child restraintsystem isinst alled
incor rectlyor isnot secured, itcan come
loose inthe event ofan acciden t,heavy
braking orasudden changeindirect ion.The
child restraintsystem couldbethro wn
about, strikingvehicle occupant s.There is
an incr eased riskofinjury, possibly even
fatal.
Always installchild restraintsystems prop-
erly, even ifthey arenot being used.Make
sure thatyouobserve thechild restraintsys-
tem manufact urer'sinstallation instruct ions.
Furt herinfor mation onstowing objects,lug-
gage andloads securely canbefound under
“St owing options/stowage compart ments”
(Y page 252). G
WARN
ING
Child restraintsystems ortheir securing sys-
tems which havebeen damaged orsubjec-
ted toaload inan acciden tcan nolonger
protec tas inten ded.Thechild cannotthen
be restr ained inthe event ofan acciden t,
heavy braking orsudden changes ofdirec-
tion .There isan incr eased riskofinjury,
possibly evenfatal.
Replace childrestraintsystems whichhave
been damaged orsubject edtoaload inan
acciden tas soon aspossible. Havethe
securing systemsonthe child restraintsys-
tem check edataqualified specialist work-
shop, before youinstallachild restraintsys-
tem again. 58
Children
inthevehicleSafet y

The
securing systemofchild restraintsystems
is the seat beltsystem.
If you install achild restraintsystem onthe
front passenger seat,besure toobserve the
instr uctions andsafety noteson the "Occu-
pant Classification System(OCS)"(Ypage 48).
There youwillalso findinform ationondisa-
bling thefront passenger frontairbag.
All child restraintsystems mustmeet thefol-
lowing standards:
R U.S. Federal MotorVehicle SafetyStandards
213 and225
R Canadian MotorVehicle SafetyStandards
213 and210. 2
Confirmation thatthechild restraintsystem
correspon dstothe standards canbefound on
an instr uction labelonthe child restraintsys-
tem. Thisconfirmation canalso befound in
the installation instructions thatareincluded
with thechild restraintsystem.
Observe thewarning labelsinthe vehicle inte-
rior and onthe child restraintsystem. Child
restraintsystem onthe front-
passenger seat
General notes If
you install achild restraintsystem onthe
front -passenger seat,alway sobserve the
instr uctions andsafety noteson the "Occu-
pant Classification System(OCS)"(Ypage 48).
You canthus avoid therisks thatcould arise
as aresult of:
R an incorr ectlycategoriz edperson inthe
front -passenger seat
R deactivatin gthe front passenger frontair
bag unint ention ally
R the unsuitable positioningof the child
restr aintsystem, e.g.tooclose tothe dash-
board
Rear ward- facing childrestraintsystem If
circumst ancesrequire youtosecure achild
in arearward-facing childrestraintsystem on
the front -passenger seat,alway smake sure
that thefront passenger frontairbag isdeacti-
vated. Onlyifthe PASS ENGER AIRBAG OFF
indicator lampislit cont inuously (Ypage 41),
is the front passenger frontairbag deactiva-
ted. Always
observe thechild restraintsystem
manufact urer'sinstallation andoperating
instr uctions .
Forward- facingchildrestraintsystem If
you secure achild inaforward-fac ingchild
restr aintsystem onthe front -passenger seat,
alway smove thefront -passenger seatasfar
back aspossible. Fullyretrac tthe seat cushion
length. Theentir ebase ofthe child restraint
system mustalway srest onthe seat cushion
of the front -passenger seat.Thebackrest of
the child restraintsystem mustlieasflat as
possible againstthebackrest ofthe front -
passenger seat.Thechild restraintsystem
must nottouch theroof orbe subject edtoa
load bythe head restraint. Adjust theangle of
the seat backrest andthehead restraintposi-
tion according ly.Always makesurethatthe
shoulder beltstrap iscorrec tlyrouted fromthe
front -passenger seatbeltguide tothe shoulder
belt guide onthe child restraintsystem. The
shoulder beltstrap mustberouted forward
and down fromthefront -passenger seatbelt
guide. Ifnecessary, adjustthefront -passenger
seat according ly.
Always observe thechild restraintsystem
manufact urer'sinstallation andoperating
instr uctions . Pets
inthe vehicle G
WARNIN
G
If you leave animals unsupervised orunse-
cured inthe vehicle, theymaypress button s
or switches, forinstan ce.
In this way, animals may:
R activate vehicleequipment andbecome
trapped, forexample
R switch systems onoroff and thereby
endanger otherroadusers
Further more,unsecured animalsmaybe
flung around insidethevehicle inthe event
of an accident orabrupt steeringor braking
maneuver, andthereby injurevehicle occu-
pants. Thereisarisk ofaccident andinjury.
Never leaveanimals unattendedinthe vehi-
cle. Pets
inthe vehicle
59Safety
Z

Alw
ayssec ureani ma lspro perly when driv-
ing ,for instance with asu ita ble pe tcar rier. Dri
ving safe tysys tems Ove
rviewof driv ingsafe tysys tems
In thi ssec tion,youwi llfind informa tionab ou t
the followi ng driving safety system s:
R ABS (Anti -lock Bra king Syste m)
(Y page 60)
R BAS (Bra keAssist Sy stem )(Y page 61)
R Bra keAssi stwith cros s-tra fficfu nctio n
(Y page 61)
R Active BrakeAssi st(Y page 63)
R Ada ptive bra kelights (Ypage 65)
R ESP ®
(El ectro nicStability Pro gram)
(Y page 65)
R EBD (El ectro nicBrake forceDi stri butio n)
(Y page 69)
R ADAPTI VEBRAK E(Y page 70)
R Active BrakeAssi stwith cros s-tra fficfu nc-
tio n(Y page 70)
R STEER CONTR OL(Ypage 72) Impo
rtant safetynotes
If yo ufai lto adap tyo ur driving styleor ifyo u
ar eina ttenti ve,the driving safety system scan
nei ther reduce theriskof an acci dent nor
ove rride the laws ofphy sics. Driv ingsafety
sy stem sar emer elyai ds designe dto assist
dri ving .
Yo uar eres ponsi ble for mainta ining the dis-
tance tothe vehiclein front, forveh iclespe ed,
for braking ingoo dtime ,and forstaying in
la ne. Alwaysad aptyo ur driving styleto suit
the prevailing roadand weath ercond itions and
ma inta inasa fe dista nce from thevehiclein
front. Drivecar efully.
The driving safety system sde scri bedonl y
wo rkas effe ctive lyas possi ble wh en ther eis
ad eq uate conta ctbetwe enthe tiresand the
roa dsu rfa ce. Paypa rticu laratte ntionto the
info rma tionreg arding tire s,reco mme nded
mini mumtire trea dde pths etc.inthe "Whee ls
and tires"sec tion(Y page 296 ).
In wintry driving cond itions, alwa ysusewi nter
tire s(M +S tire s)and ifnece ssary,snow cha
ins.Onl yin thi swa ywi llthe driving safety
sy stem sde scri bedin thi ssec tionwo rkas
effe ctive lyas 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 nuesteering thevehi-
cle when bra king .
The 0025 ABSwarning lamp inthe instrum ent
clu ster lights upwhen the igniti onissw itch ed
on. Itgoe sou twh en the engineisrunning .
ABS works from aspe edofabou t5 mph
(8 km/h ),reg ardless ofroa d-su rface cond i-
tio ns. ABS works onslip pe ry surfa ces ,eve n
wh en youonl ybra kegently .
Impo rtant safetynotes i
Obs
ervethe "Impo rtant safety notes "sec -
tio n(Y page 60). 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
aff ecte 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 spe cialist wo rksh op.
Whe nABS isma lfunctio ning,othe rsy stem s,
incl uding driving safety system s,willal so
be come inoperative .Obs ervethe informa tion
on the ABS warning lamp (Ypage 239 )and
di spl aymes sages which maybe sho wninthe
ins trum entcluster (Ypage 209 ).
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 lbrake application:de pre ss
the brakepedalwi th fullforc e.
If ABS intervenes when bra king ,yo uwi llfee la
pu lsing inthe brakepedal. 60
Dri
ving safe tysys temsSafe ty

Ada
ptive Bra keAssi stpro vides bra king assis-
tance inha zard oussitua tions atspe edsab ove
4 mph (7km/h ).It us es rada rsens ortech nol-
ogy toasses sthe trafficsitua tion.
Up toaspe edofappro xima tely155 mph
(25 0km/h ),Ada ptive Bra keAssi stiscap able
of rea cting tomovi ngobjects thatha ve
al rea dybeen detecte das such atleas tonce
ove rthe perio dof obser vatio n.
Up toaspe edofappro xima tely44 mph
(70 km/h ),Ada ptive Bra keAssi strea cts to
sta tionar yob sta cles.
If Ada ptive Bra keAssi stdema nds particu larly
hi gh bra king force,pre venta tivepasse nge r
pro tecti onmea sures (PRE-SAFE ®
)ar eacti va-
ted simu ltaneo usly(Y page 55).
X Kee pthe brakepedalde pre sse dunti lthe
eme rgency braking situa tionis ove r.
ABS prevents thewheelsfrom locking .
The brakes willwo rknorma lly ag ain if:
R yourel ease the brakepedal
R ther eis no longe rany dange rof acol lisi on
R no obsta cle isde tecte din front ofyour veh i-
cle
Ada ptive Bra keAssi stisthen deacti vated .
Impo rtant safetynotes G
WA
RNING
Ada ptive Bra keAssi stcanno tal wa yscle arly
id enti fyob jects andcomp lextraf ficsitua -
tio ns.
In such cas es, Ada ptive Bra keAssi stcan:
R inte rveneunne cessarily
R not intervene
The reisaris kof an acci dent.
Alw ayspa ycar efulatte ntionto the traffic
si tua tionand berea dytobra ke. Termi nate
the interventio nin anon-cri ticaldri ving sit-
ua tio n. G
WA
RNING
Ada ptive Bra keAssi stdo es not react:
R to peop leor ani ma ls
R to onco ming vehicles
R to cros sing traf fic
R wh en corne ring As
ares ult, the Adaptive Bra keAssi stma y
not interveneinallcriti calcond itions. There
is aris kof an acci dent.
Alw ayspa ycar efulatte ntionto the traffic
si tua tionand berea dytobra ke.
Alw aysad aptyo ur spe edtosuitthe prevail-
ing roadand trafficcond itions.
Due tothe natu reofthe system ,pa rticu larly
comp licate dbu tnon-cri ticaldri ving cond itions
ma yal so cau seAda ptive Bra keAssi stto inte r-
vene .
If Ada ptive Bra keAssi stisnot availa bl e du eto
a ma lfunctio nin the rada rsens orsystem ,the
bra kesystem remains availa bl e wi th fullbra ke
bo osti ngeffe ctand BAS. Ada
ptiv ebrake lights
i Obs
ervethe "Impo rtant safety notes "sec -
tio n(Y page 60).
If yo ubra kesha rplyfrom aspe edofmore than
50 km/h orifbra king isas sisted byBAS or
Bra keAssi stwith Cross -Tra fficAssi st,the
bra kelamps flash rapidly. In thi swa y,traf fic
trav eling behind youis wa rned inan eve n
more noticeable ma nner.
If yo ubra kesha rplyfrom aspe edofmore than
70 km/h toasta ndsti ll, the hazard warning
la mps areacti vated automa tically. Ifthe
bra kes areap plied ag ain, the brakelamps light
up conti nuously.The hazard warning lamps
sw itch offautoma tically if yo utrav elfas ter
tha n10 km/h .Yo ucan also switch offthe
ha zard warning lamps using the hazard warn-
ing button (Ypage 111 ). ES
P®
(E lectro nicStab ility Pro gram)
Ge neral notes i
Obs
ervethe "Impo rtant safety notes "sec -
tio n(Y page 60) .
ESP ®
moni torsdriving stability and traction,
i.e .po we rtrans mission betwe enthe tiresand
the roadsu rfa ce.
If ESP ®
de tects thatthe vehicleis de via ting
from thedirecti ondesired bythe driver ,one or
more wheelsarebra ked tosta bilize the vehi-
cle .The engineoutpu tis also mod ified tokee p Dri
ving safe tysys tems
65Safety Z