ESP MERCEDES-BENZ SL CLASS 2020 Manual Online

The
selected transmission position andthe
direction inwhich thevehicle isrolling deter-
mine which warning displayisactive whenthe
engine isrunnin g. Tra
nsmission posi-
tion War
ning display 005B
Fron
tarea active 005E,
005Corthe vehi-
cle isrolling back-
wards Rear
andfront areas
active 005D
No
areas active One
ormore segment slight upasthe vehicle
approaches anobstacle, depending onthe
vehicle's distancefromtheobstacle. Inaddi-
tion, warning tonesare issued.
When thedistance tothe obstacle issufficient ,
you willhear aninter mittentwarning tone.The
shorter thedistance tothe obstacle, the
shorter thefrequency ofthe inter mittentwarn-
ing tonesbecomes. Whentheminimum dis-
tanc eis reached, youhear acont inuous warn-
ing tone. <00270048004400460057004C005900440057004C0051004A0012004400460057
004C005900440057>
ingPark ingAssist
PARKTRON IC 0043
Deact ivates/act ivatesParking Assist
PARKTRONIC
0044 Indicat orlamp
If indicator lamp0044lights up,Parking Assist
PARKTRONIC isdeactivated. Active Parking
Assist isthen alsodeactivated.
i Parking
AssistPARKTRONIC isautomati-
cally activated whenyouturn theSmart Key
to position 0048inthe ignition lock. 176
Driving
systemsDriving andparking

Problems
withParking AssistPARKTRONIC Problem
Possible
causes/co nsequences and0050 0050
Solutions Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sare lit.You also
hear awarning tonefor
approximately twosec-
onds.
Parking Assist
PARKTRONIC isdeacti-
vated afterapprox-
imately fiveseconds
and theindicator lamp
in the Parking Assist
PARKTRONIC button
lights up. Parking
AssistPARKTRONIC hasmalfunction edand hasbeen deac-
tivated.
X Ifproblems persist,haveParking AssistPARKTRONIC checkedat
a quali fiedspecialist workshop. Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sare lit.Parking
Assist PARKTRONIC is
deactivated after
approximately fivesec-
onds. The
Parking AssistPARKTRONIC sensorsaredirty orthere isinter-
ferenc e.
X Clean theParking AssistPARKTRONIC sensors(Ypage 278).
X Switch theignition backon. The
problem maybecaused byan extern alsource ofradio orultra-
sound waves.
X Check tosee ifParking AssistPARKTRONIC worksatadifferent
location. Active
Parking Assist
General notes Act
ive Parking Assistisan electron icparking
aid with ultrasound. Itmeasures theroad on
both sides ofthe vehicle. Aparking symbol
indicates asuitable parkingspace.Active
steering intervention canassist youduring
parking andwhen exiting aparking space.You
can also stilluse Parking AssistPARKTRONIC
(Y page 174).
Import antsafety notes Act
ive Parking Assistismerely anaid. Itis not
a replacement foryour atten tiontoyour imme-
diate surroundings. Youarealwa ysresponsi-
ble forsafe maneuvering, parkingandexiting a
parking space.Makesurethatnopersons, ani-
mals orobject sare inthe path ofyour vehicle.
When Parking AssistPARKTRONIC isdeactiva-
ted, Active Parking Assistisalso unavaila ble. G
WARNING
While parking orpulli ngout ofaparking
space, thevehicle swingsoutand candrive
onto areas ofthe oncomin glane. Thiscould
cause youtocollide withother roadusers or
object s.There isarisk ofan accident.
Pay atten tiontoother roadusers orobject s.
Stop thevehicle ifnecessary orcancel the
Act ive Parking Assistparking procedure. G
WARNING
While parking orpulli ngout ofaparking
space, thevehicle swingsoutand candrive
onto areas ofthe oncomin glane. Thiscould
cause youtocollide withother roadusers or
object s.There isarisk ofan accident.
Pay atten tiontoother roadusers orobject s.
Stop thevehicle ifnecessary orcancel the Driving
systems
177Drivingandparking
Z

X
Dep endingonthe mes sage oras req uired ,
shi ftthe transmi ssion topositio n005B or005E
wh en the vehicleis sta tionar y.
Activ ePa rkin gAssi stimm ediatel ystee rsin
the othe rdi recti on.The ParkingAss ist Par
kingAss ist
Act ive Accelerateand Brake Act
ive Accelerateand Brake
Obs erveSur roundings Obs
erveSur roundings message appe ars
in the multifu nctio ndisp lay.
i Yo
uwi llach ieve the best res ults by waiting
for the stee ringpro ced ureto comp lete
be for epu lling away.
If yo uba ck up after acti vatio n,the stee ring
wh eelis mov edtothe stra ight-a head posi-
tio n.
X Driv efor wa rds and revers eas pro mpte dby
the Parkin gAssi stPAR KTRONICwa rning
di sp lays ,sev eraltime sif nece ssary.
Once youha ve exited theparkin gsp ace com-
pl ete ly,the stee ringwh eelis mov edtothe
stra ight-a head positio n.Yo uhe ar atone and
the Active ParkingAss ist Finished Act
ive ParkingAss ist Finishedmes -
sa ge appe arson the multifu nctio ndisp lay. Yo u
wi llthe nha ve tostee rand mergeinto traffic
on your ow n.Parkin gAssi stPAR KTRONICis
sti llav ailabl e. Yo ucan take overthe stee ring
be for ethe vehicleha sexi ted theparkin g
sp ace comp letel y.Thi sis us efu l,for exa mpl e
wh en youreco gnizetha tit is alrea dypossi ble
to pullou tof the parkin gsp ace .
Ca ncelin gAc tiv eParki ngAssist Yo
ucan canc elActiv ePa rkin gAssi stat any
time .
X Stop themov eme ntofthe multifu nctio n
stee ringwh eelor stee ryo ursel f.
Activ ePa rkin gAssi stwillbe canc eled at
once .The Active ParkingAss ist Can‐ Act
ive ParkingAss ist Can‐
cel ed cel
edmes sage appe arsin the multifu nctio n
di sp lay.
or X Pre ssthe "Parking AssistPAR KTRONIC"but-
ton onthe cente rcons ole (Y page 176) .
Pa rkin gAssi stPAR KTRONICis sw itch edoff
and Activ ePa rkin gAssi stisimm ediatel y
canc eled .The Active ParkingAss ist Act
ive ParkingAss ist
Can celed Can
celedmes sage appe arsin the multi-
fu nctio ndisp lay. Activ
ePa rkin gAssi stiscanc eled automa tically
if:
R pa rkin gus ing Activ ePa rkin gAssi stisno
lo nge rpo ssi ble
R youar edri vin gfa ster than6 mph (10km/h )
R awh eelsp ins ,ESP ®
inte rvenes orfails. The
00E5 ESP®
wa rning lamp lights upinthe
ins trument cluster .
A wa rning tone sounds .The parkin gsy mbo l
di sa pp ears and theActive Parking Act
ive Parking
Ass ist Canceled Ass
ist Canceledmes sage appe arsin the
mu ltifu nctio ndisp lay.
Wh enActiv ePa rkin gAssi stiscanc eled ,yo u
mu stalwa ysstee rag ain yo ursel f. Rea
rvi ew camera
Ge neral notes Re
ar vie wcam era0043isan optica lpa rkin gand
ma neu vering aid. Itsho wsthe area behind
yo ur veh iclewi th guide lines inthe multimed ia
sy stem .
The area behind the vehicleis disp laye das a
mir ror ima ge,as inthe rearvie wmir ror.
i The
text showninthe multimed iasystem
di sp layde pends onthe langu agesetti ng.
The followi ng areexa mpl esofrea rvie w
cam eradisp lays inthe multimed iasystem .
Impo rtant safety notes The
rearvie wcam eraisonl yan aid. Itis not a
rep laceme ntfor your atte ntionto your imm edi-
ate surro und ings.Yo uar ealwa ysres ponsi ble
for safe ma neu vering and parkin g.Ma kesure
tha tthe reareno perso ns, anima lsor objects
in the maneu vering area when youar ema neu -
ver ing orparkin g. Dr
ivi ng system s
181Drivi ng andparki ng Z

0087
Yellow guidelineforthe vehic lewidth
inc luding theexterior mirrors, atthe cur-
ren tste erin gwheel angle(dynamic )
0085 Yellow lanemark ingthe cours ethe tires
will takeat the curr entsteerin gwheel
angle (dynamic ) 0083
Yellow guidelineatadistan ceofapprox -
imate ly3ft (1. 0m) from therear area
0084 Vehic lecen teraxle (mark erassist ance)
006B Bumper
006C Red guide lineatadistan ceofapprox -
imate ly12 in(0. 30 m)from therear area
The guide linesareshown whenthetransm is-
sion isin posit ion005E.
The distan cespecif ications onlyapply to
obje ctsthat areatgroun dlevel. 0043
Frontwarnin gdisplay
0044 Addit ional measurem entoperat ionalreadi-
ness indicatorforthe Park ingPack age
with rearview camer a
0087 Rear warnin gdisplay
Vehicles withthePar king Packa gewith
rea rview camer a:when thePark ingPack age
with rearview camer ais operat ional
(Y page 174), addition almeasurem entopera-
tion alreadin essindic ator0044appears inthe
multim ediasyste m.Ifthe Park ingPack age with
rearwarnin gdisplays areactive orlight
up, warnin gdisplays 0043and 0087are also active
or light upcor respon dinglyinthe multim edia
syste m.
"Rever separking" funct ion Ba
cking upstraight intoapa rking space
withou tsteer inginpu t 0043
Whit eguide linewithout steerin ginput –
vehic lewidth including theexterior mirrors
(stat ic)
0044 Yellow guidelineforthe vehic lewidth
inc luding theexterior mirrors, atthe cur-
ren tste erin gwheel angle(dynamic )
0087 Yellow guidelineatadistan ceofapprox -
imate ly3ft (1. 0m) from therear area
0085 Red guide lineatadistan ceofapprox -
imate ly12 in(0. 30 m)from therear area
X Make surethattherear view camer ais act i-
vate d(Y page 182).
The lane andtheguide linesareshown .
X With thehelp ofwhite guide line0043,chec k
wheth erthe vehic lewill fitintothe park ing
space.
X Usin gwhite guide line0043asaguide, care-
fully back upunt ilyou reach theend posi-
tion .
Red guide line0085isthe nat the end ofthe
park ingspace. Thevehic leisalmost parallel
in the park ingspace. Driving
systems
183Driving andparking Z

The
following informationisdisplay ed:
R the length ofthe journey sincethelast
break.
R the atten tionlevel determin edbyATTEN -
TION ASSIST, display edinabar display in
five levels fromhightolow.
R ifATTE NTION ASSISTisunable tocalculate
the atten tionlevel andcann otoutput a
warning, theSystem suspended System
suspended message
appears. Thebardisplay thenchanges the
display ,e.g. ifyou aredriving ataspeed
below 37mph (60km/ h)or above 125mph
(2 00 km/ h).
Acti vating ATT ENT ION ASSIS T X
Ac tivat eAT TENTI ON ASSIST usin gth eon -
boar dco mput er(Y page 200).
The systemdeterm inesth eatt ention levelof
th edri ver depe nding ontheset ting sele c-
te d:
St and ardselect ed:thesen sitivit ywit hwhic h
th esyst emdeterm inesth eatt ention levelis
set tonorm al.
Sens itive select ed:thesen sitivit yis set
high er.The attention leveldet ectedby ATTEN-
TIO NAS SIST isadapt edacc ordinglyand the
dri ver iswarn edearl ier.
When ATTENTI ON ASSIST isdeac tivat ed, the
00AD symboland OFFappear inthemult ifunc-
ti on disp layintheassi stanc edisp laywhen the
en gin eis run ning.
When ATTENTI ON ASSIST has been deactiva-
te d, itis auto maticallyreac tivat ed afterthe
en gin ehas been stoppe d.The sensitivit y
sele cted correspo ndsto thelast selection acti-
vat ed (stand ard/ sensitive ).
Wa rning inthemu ltifu nct ion displa y If
fat igue orinc reas inglapse sin concen trati on
are detected, awarn ingappear sin themult i-
fun ction disp lay:Attention Assist:Tak e Att
ention Assist:Tak e
a bre ak! a
bre ak!
In addit iontothemes sage showninthemult i-
fun ction disp lay,you willthen hear awarn ing
to ne .
X Ifne cessar y,tak eabre ak.
X Con firm themes sage bypre ssing the0076
but tonon thest eer ing whee l.
On longjo urn eys, takereg ular breaks ingoo d
ti me toallow yourselftores t.Ifyou donot tak
eabre ak, you willbewarn edagain after
15 min utesat theearl iest.The precond ition
for this isthat ATTENTI ON ASSIST still det ects
typ ical indicat ors offat igue orinc reas inglap-
ses inconcen trati on.
Veh icles withCOMA ND:ifawarn ingis
iss ued inthemult ifunction disp lay,aser vice
st ati on sear chisper formed inCOMA ND.You
can selectaser vicest ati on and navigat ionto
th is ser vicest ati on will then begi n.This func-
ti on can beact ivat edand deac tivat ed in
COMA ND. Acti
veDri ving Assis tance packa ge
Gene ralnot es The
Active Drivin gAs sis tan cepac kageco n-
sis tsof Active Distanc eAs sis tDI ST RONI C
(Y page 157), Active Steer ing Assis t,Ac tive
Bli nd Spot Assis t(Y page 186)and Active
Lan eKee pingAs sis t(Y page 189).
Acti veBlind Spot Assis t Gene
ralnot es
Ac tive Blind Spot Assis tmon itors theareas on
eit her side oftheveh icleth at are notdir ectly
vis ible tothedri ver withtwo lateral ,rear -
fac ing radar sensors.Awarn inglamp lightsup
in theex terio rmir rorsand draw syour atten-
ti on toveh icles det ectedin themon itore d
area. Ifyou then swit chon theco rrespo nding
tur nsign alto chang elan e,you willalso
rec eivean opt ical and audible warning.If aris k
of lateral collisi onisdet ected, correc tive brak -
ing may help youavoidaco llisi on.Be for ea
co urs e-co rrec ting brak eapplic ation,Ac tive
Bli nd Spot Assis teval uate sth espac ein the
dir ection oftravel andattheside sof theveh i-
cle .Fo rth is, Active Blind Spot Assis tuses the
for ward -facin gradar sensors.
Ac tive Blind Spot Assis tsupp ortsyou from a
spee dof appr oximat ely20mph (30km/h).
Imp ortant safety notes
Ac tive Blind Spot Assis tis on lyan aid and is
no ta subs titut efor attentive drivin g. 186
Driv
ingsystem sDriv ingand parki ng

G
WARNING
Active BlindSpotAssist doesnotreact to:
R vehicl esovertaken tooclosel yon the side ,
pla cing them inthe blind spot area
R vehicl eswhi chapp roach withalarg e
spee ddiffer ential andovertake yourvehi-
cle
As aresu lt,Active BlindSpotAssist maynei-
ther givewarnings norintervene insuch sit-
ua tions. There isarisk ofan accide nt.
Alwa ysobse rvethe traffic conditions care-
full y,and maintai nasafe latera ldista nce.
i USA
only:This devicehas been approved
by the FCC asa"Veh icularRadar System" .
The rada rsensor isintended foruse inan
au tomotive radarsystem only.Remo val,
tamperi ng,oralteri ngofthe devi cewillvoid
any warranties, andisnot permi ttedbythe
FCC. Donot tamper with,alter, oruse inany
non-approve dway .
Any unau thorized modification tothis device
coul dvoid theuser 'sau thority toopera te
the equipme nt.
i Ca
nada only:This devicecompli eswith
RSS-210 ofIndustry Canada .Opera tionis
sub ject tothe followi ngtwo conditions:
1. This devicemay notcaus einterference,
and
2. This devicemust accept anyinterference
receive d,includ inginterference thatmay
caus eundes iredopera tionofthe devi ce.
Remo val,tamperi ng,oralteri ngofthe
devi cewillvoid anywarranties, andisnot
permi tted.Donot tamper with,alter, oruse
in any non-approve dway .
Any unau thorized modification tothis device
coul dvoid theuser 'sau thority toopera te
the equipme nt.
Radar sensors
The rada rsensors forActive BlindSpotAssist
are integrated inthe rear bump erand inthe
radi ator trim. Make surethatthebump ersand
radi ator trim arefree from dirt,iceand slush.
The rear sensors mustnotbecovered ,for
exampl eby cycle racks oroverha ngingcargo.
Follo wing asevere impactor inthe event of
dama getothe bump ers,have thefunction of
the rada rsensors checked ataqua lified spe- cial
istworksho p.Active BlindSpotAssist may
otherwi seno longer workprope rly.
Moni toring area G
WARNING
Active BlindSpotAssist doesnotdetect all
traffic situations androad users.There isa
risk ofan accide nt.
Alwa ysmake surethatthere issuffi cient
dista nceonthe side forother traffic or
obstacl es. Active
BlindSpotAssist monitors thearea up
to 10 ft(3.0 m)behi ndyou rvehicl eand
dire ctly next toyou rvehicl e,as show nin the
dia gram.
The detection ofobstacl escan beimpa iredin
the case of:
R there isdirt onthe sensors oranythi ngelse
covering thesensors
R poor visibility, e.g. due torain, snow or
spra y
Vehi cles inthe monitoring rangearethen not
indica ted.
Active BlindSpotAssist maynotdetect narrow
vehicl es,such asmotorcycle sor bicy cles, or
may onlydetect themtoolate.
If the lanes arenarrow ,vehicl esdrivi nginthe
lane beyond thelane next toyou rvehicl emay
be indica ted,espe ciallyifthe vehicl esare not
drivi nginthe midd leof their lane. Thismay be
the case ifthere arevehicl esdrivi ngatthe
inner edgeoftheir lanes . Drivi
ngsystems
187Drivingand parking Z

Due
tothe natu reofthe system :
R wa rnings maybe issu ed inerr orwh en driv-
ing closetocra shbarriers orsimil arsol id
la ne borde rs.
R wa rnings maybe inte rrupte dwh en drivin g
al ong side partic ular ly long veh icles, e.g.
tru cks, forapro longe dtime .
In dic ator andwarning display 0043
Yellow indicator lamp/ redwarning lamp
Activ eBli nd Spo tAssi stisnot activeatspee ds
be low ap pro xim ately20 mph (30km/h ).Veh i-
cle sin the moni toringrange arethe nnot indi-
cate d.
Wh enActiv eBli nd Spo tAssi stisacti vated ,
ind icator lamp 0043inthe exte riormir rorslights
up yellow atspee ds ofup to20 mph
(30 km/h ).At spee ds above 20mph
(30 km/h ),the indicator lamp goes outand
Activ eBli nd Spo tAssi stisop era tional .
If aveh icleis de tecte dwi thi nthe moni toring
ra nge atspee ds above appro xim ately20 mph
(30 km/h ),wa rning lamp 0043onthe corr e-
sp ond ingside lights upred .Thi swa rning
al wa ysoccu rswh en aveh icleente rsthe moni -
tori ngrange frombehind orfro mthe side .
Wh enyouove rtake aveh icle, the warning only
occu rsifthe diffe renc ein spee dis less tha n
7 mph (12km/h ).
The yellow indicator lamp goes outif rev ers e
ge ar iseng aged .In thi seve nt,Activ eBli nd
Spo tAssi stisno longe racti ve.
The brightne ssofthe indicator/w arning lamps
is ad jus ted automa tically acc ording tothe
am bient light.
Vis ual and acou sti cco llis io n wa rning
If yo usw itch onthe turnsigna lsto cha nge
la nes and aveh icleis de tecte din the side
moni toringrange ,yo urece iveavis ualand
aco ustic collisi on warning. Youwi llthe nhe ar a do
ublewa rning tone andredwarning lamp 0043
fla she s.Ifthe turnsigna lrem ains on, detecte d
veh icles areind icated bythe flashi ng ofred
wa rning lamp 0043. Thereareno furthe rwa rning
tone s.
Co urse -corre cting brak eappl icatio n
If Activ eBli nd Spo tAssi stdetects aris kof a
la tera lcol lisi on inthe moni toringrange ,a
cou rse-corr ectingbra keapplica tionis car ried
ou t.Thi sis mea ntto assist youin avoidi ng a
col lisi on. G
WA
RNING
A cou rse-corr ectingbra keapplica tioncan-
not alwa yspre vent acol lisi on. Thereisaris k
of an acc ident.
Alw aysstee r,bra keoracc elera teyoursel f,
esp ecially ifActiv eBli nd Spo tAssi stwa rns
yo uor ma kes acou rse-corr ectingbra ke
ap plica tion.Alw aysma inta inasa fe dista nce
at the side s. If
acou rse-corr ectingbra keapplica tion
occu rs,red warning lamp 0043flashe sin the
exte riormir ror and adu alwa rning tone
sou nds .In additio n,disp lay0044 und erlining the
da nge rof aside collisi on appe arsin the multi-
fu nctio ndisp lay.
In ver yra re cas es, the system mayma kean
ina pprop riate bra keapplica tion.Acou rse-cor-
recti ngbra keapplica tionma ybe inte rrupte d
at any time ,e.g .if yo ustee rsl ig htl yin the
op po site directi onordepre ssthe accelera tor
pe dalmor efir mly .
The course-corr ectingbra keapplica tionis
av ailabl e in the spee dra nge betwe en20 mph
(30 km/h )and 120 mph (200km/h ). 18
8 Dr
ivi ng system sDrivi ng andparki ng

Eith
erno bra king applica tion,or acou rse-cor-
recti ngbra keapplica tionad apted tothe driv-
ing situa tionoccu rsif:
R the reareveh icles orobsta cles,e.g .cra sh
ba rriers ,lo cate don both side sof your veh i-
cle .
R aveh icleap pro ach esyoutoo closelyat the
si de .
R youha ve adop ted asp orty drivin gsty lewith
hi gh corne ringsp ee ds.
R youcle arly bra keoracc elera te.
R adri vin gsa fety system intervenes ,e.g .
ESP ®
or PR E-SAFE ®
Bra ke.
R ESP ®
is sw itch edoff.
R aloss oftire pressu reor ade fecti vetire is
de tecte d.
Sw itchin gon Activ eBli nd Spo tAs sist X
Ma kesure tha tActiv eBli nd Spo tAssi stis
acti vated (Ypage 201 ).
X Tu rn the Sma rtKeyto positio n0048 inthe igni-
tio nlock.
Wa rning lamps 0043inthe exte riormir rors
li ght upred forappro xim ately1.5 second s
and thentur nye llow . Ac
tiv eLan eKe epi ng Assist Ge
neral notes Activ
eLa ne Kee ping Assi stmoni torsthearea
in fro ntofyour veh icleby mea nsofmu ltifu nc-
tio ncam era0043atthe top ofthe winds hield.
Va rio us area sto the front, rearand side of
yo ur veh iclear ealso moni toredwi th the aid of
the rada rsen sor system .Activ eLa ne Kee ping
Assi stdetects lane ma rkin gson the roadand
can warnyoube for eyo uleav eyo ur lane unin-
tenti onally. Ifyo udo not reactto the warning,
a lane-co rrecting applica tionof the brakes can
bri ng the vehicleba ck into theoriginal lane.
Thi sfu nctio nis availa bl e in asp ee dra nge
be twe en40 mph and120 mph (60km/h and
200 km/h ).
For Activ eLa ne Kee ping Assi stto assist you
wh en drivin g,the rada rsen sor system mustbe
op era tional .
Impo rtant safety notes
If yo ufa ilto adaptyo ur drivin gsty le,Activ e
La ne Kee ping Assi stcan neithe rred uce the
ris kof acc ident nor override the laws ofphys-
ics .Activ eLa ne Kee ping Assi stcanno ttake
into account roa d,we ath eror tra fficcond i-
tio ns. Activ eLa ne Kee ping Assi stisonl yan
ai d. Yo uar eres ponsi ble for the dista nce tothe
veh iclein fro nt, for veh iclesp ee d, for braking
in go od time andforstaying inyour lane.
Activ eLa ne Kee ping Assi stcanno tconti nu-
ou sly kee pyo ur veh iclein its lane. G
WA
RNING
Activ eLa ne Kee ping Assi stcanno tal wa ys
cle arly de tect lane ma rkin gs. Dr
ivi ng system s
189Drivi ng andparki ng
Z

In
such cases, ActiveLaneKeepi ngAssist
can:
R give anunnecessary warningandthen
make a<00460052005800550056004800100046005200550055004800460057004C0051
004A[ brakeapplica-
tion
R neither giveawarning norintervene
There isarisk ofan accident.
Alway spay particul arattention tothe traffic
situa tionandkeep within thelane, espe-
ciall yif Active LaneKeepi ngAssist alerts
you .Terminate theintervention inanon-crit-
ical driving situation.
The system maybeimpa iredormay notfunc-
tion if:
R there ispoor visibility,e.g. due toinsuffi-
cient illuminatio nof the road, ordue to
snow, rain,fogorheavy spray
R there isglare ,e.g. from oncoming traffic,
the sun orreflection fromother vehicle s
(e.g. ifthe road surface iswet)
R the windshi eldisdirty, fogged up,dama ged
or covered, forinstance byasticker, inthe
vicinity ofthe camera
R there arenolane markings, orseveral
unclea rlane markings arepresent, e.g.
arou ndconstruction sites
R the lane markings areworn away,dark or
covered up,e.g. bydirt orsnow
R the distance tothe vehicle infront istoo
short andthus thelane markings cannotbe
detected
R the lane markings changequickly, e.g.lanes
branch off,cross oneanother ormerge
R the road isnarrow andwindi ng
R there arehighl yvaria bleshade conditions
on the roadw ay
R no vehicle isdetected inthe adjacent lane
and there arebroken lanemarkings
Warning vibration inthe steering wheel
A warning maybegiven ifafront wheel passes
over alane marking. Youwillthen bewarned
by means ofavibratio nthrough thesteering
wheel lasting forupto1.5 seconds .
In order thatyouarewarned onlywhen neces-
sary andingood timeifyou cross thelane
marking, thesystem detects certaincondi-
tions andwarns youaccordingly . The
warning vibrationoccurs earlierif:
R you appro achtheouter lanemarking ona
bend
R the road hasvery widelanes, e.g.afreewa y
R the system detects solidlanemarkings
The warning vibrationoccurs laterif:
R the road hasnarrow lanes
R you cutthe corner onabend
Lane-c orrecting brakeapplication G
WARNING
A lane-correcting brakeapplication cannot
alw ays bring thevehicle backintotheorigi-
nal lane. There isarisk ofan accident.
Alway ssteer, brakeoraccelera teyou rself,
especia llyifActive LaneKeepi ngAssist
warns youormakes alane-correcting brake
appl ication. G
WARNING
Active LaneKeepi ngAssist onlydetects traf-
fic conditions orroad users toalimi ted
extent. Invery rarecases, thesystem may
make aninapp ropria tebrake application,
e.g. after intentionally drivingoverasolid
lane marking. Thereisarisk ofan accident.
An inapp ropria tebrake application maybe
interrupted atany time ifyou steer slightly
in the opposi tedirection. Alwaysmake sure
that there issufficie ntdistance onthe side
for other traffic orobstacle s.
In rare cases, ActiveLaneKeepi ngAssist
could detect broken linemarkings orspecia l
structures onthe road surface assolid lane
markings. Aninapp ropria tebrake application
can beinterrupted atany time, forexample if
you steer slightlyinthe opposi tedirection. 190
Drivi
ngsystemsDrivi ngand parking

If
you leaveyou rlane, under certain circum-
stances thevehicle willbrake brieflyon one
side. Thisismeant toassis tyou inbringing the
vehicle backtothe origina llane.
If alane-correcting brakeapplication occurs,
displ ay0043 appe arsinthe multifu nctiondis-
pla y.
A lane-correcting brakeapplication canbe
made afterdriving overalane marking recog-
nized asbeing solidorbroken. Beforethis,a
warning musthavebeen issuedbymeans ofa
vibratio nthrough thesteering wheel.In addi -
tion, alane with lanemarkings onboth sides
must havebeen detected.
In the case ofabroken lanemarking being
detected, alane-correcting brakeapplication
can only bemade ifavehicle hasbeen detec-
ted inthe adjacent lane.Thefollow ingvehicle s
can have aninflue nceonbrake application:
oncoming traffic,vehiclesthat areovertaking
and vehicle sthat aredriving paralleltoyou r
vehicle .
i A
further lane-correcting brakeapplication
can only occur afteryourvehicle has
returned tothe origina llane.
No lane-correcting brakeapplication occursif:
R you clearl yand actively steer,brakeor
accelera te
R you cutthe corner onasharp bend
R you have switched onthe turn signal
R adriving safetysystem intervenes, e.g.
ESP ®
,PRE-SAFE ®
Brake orActive BlindSpot
Assist
R you have adoptedasporty driving stylewith
high cornering speedsor high rates ofaccel-
eration
R ESP ®
is switched off
R the transmission isnot inpositio n005B R
an obstacle hasbeen detected inthe lane in
which youaredriving
R when aloss oftire pressu reor adefective
tire has been detected anddispl ayed
There isapossib ility that theActive Lane
Keepi ngAssist couldmisjudge thegiven traffic
situa tion. Aninapp ropria tebrake application
may beinterrupted atany time ifyou :
R steer slightlyinthe opposi tedirection
R switch onthe turn signal
R clearl ybrake oraccelera te
A lane-correcting brakeapplication isinterrup-
ted automa ticallyif:
R adriving safetysystem intervenes, e.g.
ESP ®
,PRE-SAFE ®
Brake orActive BlindSpot
Assist
R lane markings arenolonger detected
Swi tching onActiv eLane Keeping Assist
X Switch onActive LaneKeepi ngAssist using
the on-board computer; todo so, select
Standard Standard
orAdaptive Adaptive
(Ypage 201).
If you drive atspeed sabove 40mph
(60 km/h )and lane markings aredetected,
the lines inthe assis tance graphi cdispl ay
are shown ingreen (Ypage 200). Active
Lane Keepi ngAssist isready foruse.
When Standard Standard
isselected,
No warning vibrationoccurs if:
R you switch onthe turn signal s.In this
event, thewarnings aresupp ressed fora
certain periodoftime.
R adriving safetysystem intervenes, such
as ABS, BASorESP ®
.
When Adaptive Adaptive
isselected,
No warning vibrationoccurs if:
R you switch onthe turn signal s.In this
event, thewarnings aresupp ressed fora
certain periodoftime.
R adriving safetysystem intervenes, e.g.
ABS, BASorESP ®
.
R you accelera tehard, e.g.kickdown.
R you brake hard.
R you steer actively ,e.g. swerve toavoid an
obstacle orchange lanesquickly.
R you cutthe corner onasharp bend. Drivi
ngsystems
191Drivingand parking Z