2021 MERCEDES-BENZ METRIS warning light

ESP
®
Crosswind Assi stdoes no treact under the
fo llowing conditions:
R The vehicle is subjected tosevere jolts and
vib rations, e.g .asar esult of une vens urfaces
or po tholes.
R The vehicle loses traction, e.g. on sno worice
or when hydroplaning. Fu
nction of ESP ®
trailer stabilization &
WARNING Risk of accident in poo rroad
and weather conditions
In poor road and weather conditions, the
traile rstabilizatio ncanno tpreve nt lu rching of
th ev ehicle/trailer combination .Trailer sw ith
ah igh cen terofg ravity ma ytipove rbefore
ESP ®
de tects this. #
Alwaysa dap tyour driving styletos uit
th ec urrent road and weather condi‐
tions. ESP
®
trailer stabilizatio ncan stabiliz eyour vehi‐
cle when driving wit hatrailer if it starts to
swer ve:
R Ifth es ystemd etects thet railer ,ESP ®
trailer
st abilizatio nisactivated from aspeed of
appr oximately 40 mph(65 km/h).
R Slight swerving from side toside is reduced
by atarge teda nd one-sided brak eapplica‐
tion.
R If se vere swerving from side toside occurs,
engine output is also reduced and all the
wheels ar ebrake d. Fu
nction of EBD (electronic brak eforce distri‐
bution) EB
Dh asthef ollowing characteristics:
R monitoring and controllin gthe braking force
on ther ear wheels
R impr oving driving stabilizatio nwhen braking,
especiall yonb ends Fu
nction of Activ eB rake Assi st Ac
tiveB rake Assi stconsi stsoft hefollowing func‐
tions:
R Distance warning function
R Autonomous braking function
R Situation-dependent brak eforce boosting Ac
tiveB rake Assi stcan hel pyou tominimize the
ri sk of acollision wit hvehicles, cyclists or pedes‐
trians, or reduce thee ffects of suc hacollision.
If Ac tiveB rake Assi sthas de tected arisk of colli‐
sion, awarning tone sounds and theL warn‐
ing lam plight supint he instrument clus ter.
If yo udon otreact tothew arning, autonomous
brakin gcan be initiated in critical situations .In
especiall ycritical situations ,Activ eBrake Assi st
can initiat eauton omous braking di rectl y.In this
case, thew arning lam pand warning tone occur
simul taneously wi th thebraking application.
If yo ua ppl ythe brak eyourself in asituation
de tected as critica lbyActiveBrake Assi st,or
appl ythe brak eduring autonomous braking, sit‐
uation-dependent brak eforce boosting occurs.
The brak epressur eincreases up tomaximum
full-s topb raking if necessar y.
If autonomous braking or asituation-dependent
braking boosting ef fect has occu rred, the L
wa rning lam pflashes briefly and then goes out. &
WARNING Risk of an accident caused by
limited de tection per form anc eofA ctive
Brak eAssist
Ac tiveB rake Assi stcanno talway sc lea rly
identify object sand comple xtraf fics itua‐
tions. #
Alwaysp aycareful attention tothet raf‐
fi cs ituation; do no trelyo nA ctiv eBrake
Assi stalone. ActiveB rake Assi stis only
an aid. The driver is responsible for
maintaining asufficiently saf edista nce
to thev ehicle in front, vehicle speed
and forb raking in good time. #
Be prepare dtobrake or swer veif nec‐
essar y. %
If
th es ystemisn otavailable, an appropriate
messag eappear sinthe multifunction dis‐
pla y.
Obser vethes ysteml imitations of ActiveB rake
Assi st.D ue tothen atur eoft he sy stem, complex
but non-critical driving conditions ma yalso cause
Ac tiveB rake Assi stto inter vene du ring braking.
The individua lsubfunctions ar eavailable in
th ef ollowing speed ranges:
Distance warning function Driving and parking
11 3

The dis
tance warning function warnsy ou in the
fo llowing situations:
R From aspeed of appr oximatel y4mph
(7 km/h), if your vehicle is critically close to a
ve hicle or pedestrian. An intermittent warning
to ne sounds and theL warning lam pin
th ei nstrument clus tert hen lights up.
Brak eimmediatel yortakee vasiv ea ction ,provi‐
ded it is saf etodosoa ndthet raffic situation
allo wsthis.
The dis tance warning function can aid youint he
fo llowing situations wit hanintermit tent wa rning
to ne and awarning lamp:
R Vehicles tr aveling in front: uptoappr ox‐
imatel y155 mph(250 km/h)
R Stationar yvehicles: uptoappr oximately
50 mph(80 km/h)
R Cros sing vehicles: noreaction
R Moving pedestrians/cyclists ahead: upto
appr oximately 50 mph(80 km/h)
R Crossing cyclists: uptoappr oximately
37 mph(60 km/h)
R Stationar ypedestrians: noreaction
Au tonomous braking function
The autonomous braking function ma yinter vene
at speed sstartin gf roma pproximately 4mph
(7 km/h) in thef ollowing situations:
R Vehicles tr aveling in front: uptoappr ox‐
imately 125m ph (200 km/h)
R Stationar yvehicles: uptoappr oximately
31 mp h(50 km/h)
R Cros sing vehicles: noreaction
R Cyclists ahead: uptoappr oximately 50 mph
(80 km/h)
R Moving pedestrians/crossing cyclists: up
to appr oximatel y37m ph (60 km/h)
R Stationar ypedestrians: noreaction
Situation-dependent brak eforce boosting
Situation-dependent brak eforce boosting may
inter vene at speed sstartin gf roma pproximately
4m ph (7 km/h) in thef ollowing situations:
R Vehicles tr aveling in front: uptoappr ox‐
imatel y155 mph(250 km/h)
R Stationar yvehicles: uptoappr oximately
50 mph(80 km/h)
R Cros sing vehicles: noreaction R
Cyclists ahead: uptoappr oximatel y50m ph
(80 km/h)
R Moving pedestrians/crossing cyclists: up
to appr oximately 37mph(60 km/h)
R Stationar ypedestrians: noreaction
Canceling abrake application of Activ eB rake
Assi st
Yo uc an cancel abrak eapplicatio nofActive
Brak eAssistat an ytimeb y:
R Fully depressin gthe accelerator pedal or with
kickdown.
R Releasing theb rake pedal.
Ac tiveB rake Assi stma ycancel theb rake applica‐
tion when one of thef ollowing condition sisfulfil‐
led:
R Youm aneuver toavo idtheo bstacle.
R Thereis no longer arisk of collision.
R An obs tacle is no longer de tected in front of
yo ur vehicle.
Sy stem limits
Fu ll sy stem per form anc eisn otavailable foraf ew
seconds af ters witching on thei gnition or af ter
driving off.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R In sno w,rain, fogorh eavy spr ay.
R Ifth es ensor saredirty ,fogged up, damaged
or co vered.
R Ifth es ensor sareimpaired due tointer fer‐
ence from other radar sources, e.g. strong
ra dar reflection sinparking garage s.
R Ifal oss of tir epressur eoraf aulty tir ehas
been de tected and displa yed.
R In comple xtraffic situation swhere objects
canno talway sbec learly identified.
R If pedestrians or vehicles mo vequickl yinto
th es ensor de tection range.
R If pede strians ar ehidde nbyo ther objects.
R Ifth et ypical outline of apedestrian cann otbe
distinguished from theb ackg round.
R Ifap edestrian is no tdetected as such, e.g.
due tospecial clo thing or other objects.
R In cur vesw ithan arrow radius.
Fo llowing damag etothe front end of thev ehicle,
ha ve thec onfiguration and operation of ther adar
sensor checkedataq ualified specialis twork‐ 11 4
Driving and pa rking

#
Brief lypush thec ruise cont rolleve rfor wa rds
7 .
or #
Brak eifthevehicle is moving.
or #
Press button 6.
The variable limiter is selec ted. LIM indicator
lamp 3inthec ruise cont rollev er lights up.
Increasin gorreducing th espeed #
Press thec ruise cont rolleve rup1or down
5 asfarast he 1s tpressur epoint.
The stored speed is increased or reduced by
1m ph (1 km/h).
or #
Press thec ruise cont rolleve rup1or down
5 beyond the1 stpressur epoint.
The stored speed is increased or reduced by
5m ph (1 0km/h).
Increasing or reducing the specifie ddistance
from the vehicl einf ront #
Turn controller 3in direction 2toinc rease
th es pecified minimum dis tance and in di rec‐
tion 1toreduce thes pecified minimum dis‐
ta nce.
As in thea ssis tance graphi cmenu ,the multi‐
function displa ybrief ly sho ws th esetspeci‐
fi ed dis tance.
% Yo
uc an find information on DISTRONIC dis‐
pl ay su nder "Activ eDista nce Assi st
DISTRONIC" (/ page 120). Displa
ysofActiv eD ista nce Assis tDISTRONIC
Assi stant display 1
Vehicle in front, if de tected
2 Distance indica tor
3 Setspecifie ddista nce
Yo uc an find information on thea ssis tance
graphi cmenu under "Assis tance graphic"
(/ page 144).
% If
yo us etthes peed, theA ssis tance graphic
brie flya ppear sinthe multifunction displa y.
Displa yson thes peedome ter
Ve hicles wit hsteering-wheel buttons:
When ActiveD ista nce Assi stDISTRONI Cisacti‐
va ted, one or tw oindicator segments light up in
th es tore ds peed rang eoft he speedome ter.
If Ac tiveD ista nce Assi stDISTRONI Cdetects a
ve hicle in front, thei ndicator segments, located
between thes peed of thev ehicle in front and the
st ored speed, light up. Information on Hill
StartA ssist Hill
StartA ssisth olds thev ehicle foras horttime
when pulling away on ahill under thef ollowing
conditions:
R Vehicles with automatic transmission: the
transmission is in position 005Bor005E.
R The pa rking brak ehas been released.
This gives youe nough tim etomoveyour foot
from theb rake pedal tothea ccelerator pedal and
depress it befor ethe vehicle begins toroll. &
WARNING Risk of accident and injury
du etot hevehicle rolling away
Af teras horttime, Hill StartA ssistnol onger
holds thev ehicle. #
Swiftl ymove your foot from theb rake
pedal tothea ccelera torp edal. Do not 12 0
Driving and pa rking

Re
ar area warning displa yintherear compart‐
men tatt he center of theh eadliner
1 Warning segment sfor thel efts ide of the
ve hicle
2 Measurement operational readiness indicator
3 Warning segment sfor ther ight side of the
ve hicle
At leas tone segment will light up as thev ehicle
approaches an obs tacle, depending on thev ehi‐
cle's dis tance from theo bstacle.
In addition, warning tones ar eemitted .Whent he
dis tance totheo bstacle is suf ficient, youw ill
hear an intermit tent wa rning tone. The sho rter
th ed ista nce totheo bstacle, thes hor tert he fre‐
qu ency of thei ntermittent warning tones
becomes. Whe nthe minimum dis tance is
re ached, youh ear acontinuous warning tone.
The warning displa yfor eac hside of thev ehicle is
divided int ofivey ello wand tw ored segments.
PA RKTRONI Cisactiveifm easurement opera‐
tional readiness indicator 2light sup.
Sy stem limits
PA RKTRONI Cmaynottak et he following obs ta‐
cles int oaccount:
R Obs tacles bel owthed etection range, e.g.
people, animal sorobjects
R Obs tacles ab ovethed etection range, e.g.
ove rhanging loads, overhangs or loading
ra mp soft rucks
The sensor smustbef reeofd irt, ice and slush.
Otherwise, they ma ynotfunction cor rectly .Clean
th es ensor sregularly ,taking ca renottos cratch
or damag ethem (/ page184). Problem
swithP ARKTRONIC
Ther eisam alfunction if onl ythe reds egments of
th ew arning displa ylight up. In addition ,awarn‐
ing tone sounds fora pproxima tely tw oseconds .If
problems pe rsist, ha vePARKTRONI Cchec kedat
aq ualified specialis tworks hop.
If th ew arning indicator saredisplaying implausi‐
ble dis tances, it ma ybeduetothef ollowing cau‐
ses:
R The sensor saredirty: cleanthes ensors.
Obser vethen otes on car eofvehicle parts
(/ page184).
R Licens
eplateoro ther detachable parts in
th ev icinit yoft he sensor sarenotc or‐
re ctl yfastened: checkt he license plat eor
th ed etachable parts forc orrect ins tallation.
R Inter
fere nce byano ther source of radio or
ultrasound waves:checkt he function of
PA RKTRONI Catanother location.
Deactivating/activating PARKTRONIC #
Press theé button.
If PA RKTRONI Cisdeactivated, thei ndicator
lam poft heé button lights up. Re
ar vie wcamera Fu
nction of ther ear vie wcamera
Fo rv ehicles wit hrear-end doors, ther ear view
camera is in theu pper par tofthe license plate
holder (/ page110).
Fo rv ehicles wit hatailgate, ther ear vie wcamera
is located next tothet ailgat ehandle and is pro‐
te cted from raindrops and dus tbymeans of a
fl ap. When ther ear vie wcamer aisa ctivated, this
fl ap open s(/pag e110). Driving and parking
12 3

R
ifth ec amera lens is co vered, dirty or fogged
up.
R if cameras, or vehicle components in which
th ec amera sareins talled, ar edamaged. Ha ve
th ec ameras, their position sand their setting
ch eckedataq ualified specialis tworks hop.
% The media displa
ycontra stma ybei mpaired
due todirect sunlight or other light sources.
In this case, pa yparticular attention.
% Ha
ve them edia displa yrepaired or replaced
if, fore xamp le, pixel er rors considerably
re strict its use.
% Objects that ar enotat ground le vela ppear
fur ther aw ay than they actuall yare.T his
includes, fore xamp le:
R theb umper of avehicle par kedb ehind
R thed rawbar of atrailer
R theb all nec kofat railer hitch
R thet ail-en dofat ruck
R slanted posts
Onl yusetheg uide lines of thec amer aimage
fo ro rientation. Do no ttrave lfur ther than the
lo west horizontal guide line when approach‐
ing objects. Youm ayotherwise damag eyour
ve hicle and/or theo bject. Ac
tiv eP arking Assist Fu
nction of Activ eP arking Assist
Ac tiveP arking Assis tisanelectronic pa rking
assis tance sy stem whic hautomaticall ylocates
and measures parking spaces on bo thsides of
th ev ehicle when youa redrivin gforwa rdsuptoa
speed of appr oximately 22 mph(35 km/h).
If al lrequirements ar emet,t he Ç display
appear sinthe multifunction displa y.The sy stem
th en independentl ylocates and measures parallel
and perpendicular parking spaces on bo thsides
of thev ehicle.
When ActiveP arking Assis thas de tected pa rking
spaces ,the È displa yappear sinthe multi‐
function displa y.The ar rowsshowonw hichs ide
of ther oad free parking spaces ar elocated.
Ac tiveP arking Assis tdispla ysparking spaces on
th ec o-driver side as standard. The parking
spaces on thed rive r's side ar eonlyd ispla yedif
yo uo perat ethe tur nsignal on thed rive r's side.
When parking on thed rive r's side, youm usto per‐
at et he tur nsignal until youh aves tarted active parking assis
tancebypressing the0076 steering-
wheel button.
Ac tiveP arking Assis tcan assis tyou wit han
activ esteering inter vention and brak eappli cation
du ring pa rking and exitin gthe parking space.
Ac tiveP arking Assis tisonlyana id. It is no ta
substitut efor your attention tothes urroundings.
Yo ua realw aysr esponsibl efor saf emaneu vering,
pa rking and exitin gap arkin gspace. Mak esure
th at no persons, animals or object setc. ar einthe
pat hofy ourvehicle.
Ac tiveP arking Assis tiscanceled in thef ollowing
cases, among others:
R Parking Assis tPARKTRONIC is deactivated.
R Yous teer.
R Youa ppl ythe parking brake.
R Parking using ActiveP arking Assis tisnolon‐
ge rp ossible.
R Youe xceed aspeed of 6mph (1 0km/h).
R Awheel spins and ESP ®
inter venes or fails.
R Youe ngag etransmission position 005D.
R Youo pen adoor or thet ailgate/rear-end
door ,oru nfasteny our seat belt, on vehicles
wit hana utomatic transmission.
PA RKTRONI Cisdeactivated fort he rear area
when youh aveat railer coupled up and es tablish
an electrical connection between your vehicle
and thet railer .Activ eParking Assis tisthen not
av ailable.
Sy stem limits
Object slocated abo veor belo wthe de tection
ra ng eofA ctiveParking Assis tare notd etected
when thep arking space is being measured. They
ar ea lso no ttaken in toaccount when thep arking
maneuver is calculated, e.g. overhanging loads,
ove rhangs or loadin gramps of truc ks,ort he
boundaries of parking spaces. In some circum‐
st ances, ActiveP arking Assis tmaytherefore
guide youi ntot he parking space prematurely. &
WARNING Risk of accident du eto
object slocated abo veor belo wthe
de tection rang eofA ctiveParking Assist
If th er ea reobject sabove or belo wthe de tec‐
tion range, thef ollowing situations ma yarise:
R ActiveP arking Assis tmaysteer tooe arly.
R The vehicle ma ynotstop in front of these
objects. Driving and parking
12 5

concentration in goo
dtime. The sy stem is no ta
substitut efor aw ell-res teda nd attentiv edrive r.
On long journe ys,tak er egular and timel ybreaks
th at allo wyoutorest properly.
If fatigue or increased lapse sinconcentration are
de tected, theATTENTION ASSIST: Take aBreak!
or Attent. Asst Take Break! warning appear sin
th ei nstrument clus ter.
Yo uc an ackn owledg ethe messag eand take a
break if necessar y.Ifyo udon ottake ab reak and
AT TENTION ASSIS Tcontinues todetect increased
lapse sinconcentration, youw ill be warned again
af te ram inimu mof15m inutes. Fo
rv ehicles wit hsteering wheel buttons youc an
ha ve thec urrent ATTENTION ASSIS T(Attention
Le vel) assessment displa yed.
The following informatio nisdisplayed:
R The journe ylengt hsincethe las tbreak
R The attention le veld etermined byATTENTION
ASSIS T:
- The fuller theb ar is, theh igher thed etec‐
te da ttention le velis
- The bar em pties as attentivenes sdecrea‐
ses
If AT TENTION ASSIS Tcann otcalculat ethe atten‐
tion le vela nd canno tissue awarning ,the Sys-
tem Suspended messageappears.
The bar displa yisthen dimmed. This is thec ase,
fo re xamp le, ifyoua repredominantl ydrivin gata
spee dbelow40m ph (60 km/h) or abo ve
12 5m ph (200 km/h).
Sy stem limits
AT TENTION ASSIS Tisactiveint he 40 mph
(60 km/h) to125m ph (200 km/h) speed range. The functionality of
ATTENTION ASSIS Tisrestric‐
te d, and warnings ma ybedelayedorn otoccur at
all, in thef ollowing situations:
R The journe ylasts less than appr oximately
30 minutes
R The road condition is poor (une venr oad sur‐
fa ce or po tholes)
R The vehicle is subjected toas tron gc rosswind
R Youh ave asporty drivin gstyle (hig hcorner‐
ing speeds or high ratesofa cceleration)
R The time is se tincor rectly
R Youc hang elane sand vary your spee dfre‐
qu ently in activ edriving situations
The ATTENTION ASSIS Tdrow sines sora lertness
assessment is dele teda nd restar tedw hen con‐
tinuin gthe journe yinthefollowing situations:
R Yous wit ch offt he engine
R Youu nfas teny our seat belt and open thed riv‐
er's door (e.g. chang edrive rs or tak eabreak)
Deactivating or activating ATTENTION ASSI ST
(vehicles without steering wheel but tons)
On-boar dcomputer:
4 È5
Settings 5
Attention Assist #
Toactivate/deactivate: pressthe0074or0075
button and confir mbypressing the0078but‐
to n.
Whe nATTENTION ASSIS Tisactive, the00AD
indicator lam plights up in thei nstrument
clus ter.
Deactivating or activating ATTENTION ASSI ST
(vehicles wit hsteering wheel but tons)
On-boar dcomputer:
4 DriveAssist 5
ATTENTION ASSIST #
Tochang ethe setting: pressthe0076 but‐
to na nd select thes etting.
If AT TENTION ASSIS Tisactivated, the00AD
symbol is shown in thes tatus area of them ul‐
tifunction displa y.
Yo uc an choose between thef ollowing settings:
R Off
R Standard:n ormal system sensitivity.
R Sensitive:h igher system sensitivity .The driver
is wa rned earlier and thea ttention le vel
de tected bythes ystem( Attention Le vel) is
adap teda ccording ly. 12 8
Driving and pa rking

Blind Spo
tAssist Fu
nction of Blind Spo tAssist
Blind Spo tAssis tuses tw olateral, rear-facing
ra dar sensor stomonitor thea reaupto10ft
(3 m) behind and 10ft(3 m) direct lynext to yo ur
ve hicle.
% US
Ao nly:
This device has been appr ovedbyt he FCC as
a" Vehicular Radar Sy stem". The radar sensor
is intended foru se in an automotiv eradar
sy stem onl y.Re mo val,ta mp ering, or altering
of thed evice will void an ywarranties, and is
no tp ermit tedbyt he FCC. Do no ttamper
with, alter ,oruse in an ynon-appr ovedw ay.
An yu nauthorize dmodificatio ntothis device
could void theu ser ’sauthority tooperat ethe
equipment. &
WARNING Risk of accident despit eBlind
Spo tAssist
Blind Spo tAssis tdoesn otreact toeither sta‐
tionar yobject sorv ehicles approaching and
ove rtakin gyou at agreatly di fferent speed.
Blind Spo tAssis tcann otwa rndriver sinthese
situations. #
Alwaysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle. Obser
vethen otes on driving sy stems and your
re sponsibility ,otherwise youc anno trecognize
danger s(/ page 109).
If av ehicle is de tected ab ovespeeds of appr ox‐
imately 20 mph(30 km/h )and this vehicle sub‐
sequentl yenter sthe monitoring rang ed irec tly
next to yo urvehicle, thew arning lam pinthe out‐
side mir rorlights up red.
If av ehicle is de tected clos etoyourvehicle in the
lateral monitoring rang ea nd yous wit ch on the
tur ns igna lindica torint he cor responding direc‐
tion, awarning tone sounds. The redw arning
lam pint he outside mir rorf lashes. If thet urns ig‐
nal indicator remains switched on, all other
de tected vehicles ar eindicated onl ybytheflash‐
ing of ther ed warning lamp.
When youo vertak eav ehicle, thew arning only
occur sifthe dif fere nce in speed is less than
7m ph (1 1km/h). Sy
stem limits
Blin dSpotA ssis tmaybe limited in thef ollowing
situations:
R Ifth er eisd irtont he sensor sorthe sensors
ar eo bscured
R Ifth er eisp oor visibility ,e.g. due tofog, heavy
ra in, sno worspray
R If nar rowvehicles ar ewithin them onitoring
ra nge, e.g. bicycles
R Ifth er oad has very wide or very nar row lanes
R Ifve hicles ar enotdriving in them iddle of
th eir lane
Wa rnings ma ybeissued in er rorw hen driving
close tocrash ba rrier sors imilar solid lane bor‐
ders. Warnings ma ybeinterrupte dw hen driving
alongside long vehicles, fore xamp le truc ks,for a
prolonged time.
Blind Spo tAssis tisn otoperationa lwhen reve rse
ge ar is engaged.
If yo uc ouple up atrailer ,makes uret hat youh ave
cor rectl ye stablishe dthe electrical connection.
Blind Spo tAssis tist hen deactivated and the
Blind Spot Assis tCurrently Unavailable See Oper-
ator' sManual messag eappears inthem ultifunc‐
tion displa y.
Ac tivating/deactivatin gBlind Spo tAssist
On-boa rdcomputer:
4 DriveAssist 5
Blind Spot Assist #
Toactivate/deactivate: pressthe0076 but‐
to n.
% Ad
ditionall y,thes tatus overvie wint he assis‐
ta nce menu also displ ayst he status of Blind
Spo tAssist( /pag e144).
If yo us wit ch on thei gnition while Blind Spot
Assis tisactivated, thew arning lamps in theo ut‐
side mir rors light up fora pprox. 1.5s econds. Lane
Keeping Assist Fu
nction of Lane Keeping Assist
Lane Keeping Assis tserve stop rotect youa gainst
unin tentionally le aving your lane .You ar ealso
wa rned byavibration in thes teering wheel and
by thes tatus symbo lflashing in thei nstrument
clus ter.Lane Keeping Assis tisonlyana id and is
no tintended tokeep thev ehicle in thel ane with‐
out thed rive r's cooperation.
Obser vethen otes on driving sy stems and your
re sponsibility ,otherwise youc anno trecognize
danger s(/pa ge109). Driving and parking
12 9

The function is
available in thes peed range
between 40 mph(60 km/h) and 125m ph
(200 km/h).
The warning is issued when thef ollowing condi‐
tions ar emetat thes ame time:
R If Lane Keeping Assis tdetects lane markings.
R Ifaf ront wheel drives overlane markings.
In order that youa rewa rned onl ywhen neces‐
sar yand in good time if youc ross thel ane mark‐
ing, thes ystemd iffe re ntia tesb etwe en various
conditions and warnsy ou accordingly.
The warning vibration occur searlier under the
fo llowing conditions:
R youa pproac hthe outer lane marking on a
cur ve.
R ther oad has very wide lanes ,e.g.af reewa y.
R thes ystemd etects solid lane markings.
The warning vibration occur slater under thef ol‐
lowing conditions:
R youa redrivin gonar oad withnarro wl anes.
R youc utthec orner on acurve.
% Yo
um ayalso be warned byavibratio ninthe
st eering wheel (4x2 version) or byaw arning
to ne (4x4 version) and thes tatus symbol
fl ashin ginthe Instrument Displa y.
Sy stem limits
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth er eisp oor visibility ,e.g. due toinsuf fi‐
cient illumination of ther oad, if ther ea re
highl yvariable shade condition sorinrain,
sno w,fogors pray.
R Glar efromo ncomin gtraf fic, direct sunligh tor
re flections.
R Ther eisd irtont he windshield in thev icinity
of them ultifunction camer aorthe camera is
fo gged up, damaged or obscured.
R Ther eareno or se verala mbiguous lane mark‐
ings foro ne lane, e.g. in thev icinit yofc on‐
st ru ction sites.
R Ifth el ane markings ar eworna way,dar kor
co veredu p.
R Ifth ed ista nce tothev ehicle in front is too
shor tand thus thel ane markings cann otbe
de tected. R
The lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
R The road is very nar row and winding.
Ac tivating/deactivatin gLaneK eeping Assist #
Press theÇ button.
If th ei ndicator lam pinthe button lights up
and them ultifunction displa yshows the Ç
symbol in thes tatus area, Lan eKeeping
Assis tisactivated but no tready foru se.
If yo ua redrivin gwithL aneK eeping Assist
activated at speeds abo ve40 mph(60 km/h)
and lane markings ar edetected, them ulti‐
function displa yshows the Ç symbol high‐
lighted in thes tatus area. Lan eKeeping
Assis tisthenready foru se.
% The
status overviewint he assis tance menu
also displ ayst he status of Lan eKeeping
Assis t(/ pag e144).
Setting thes ensitivit yofLaneKeeping Assist
On-boar dcomputer:
4 DriveAssist 5
Lane Keepin gAssist #
Selec tthe Standard orAdaptive setting.
In the Standard setting, no warning vibration
occur sinthefollowing situations:
R Youo perat ethe tur nsignal in thec orrespond‐
ing direction. In this eve nt,thew arning sare
suppressed forac ertain period of time.
R Adriving saf etys ystem, suc hasABS,BAS or
ESP ®
,i nter venes or pe rforms acont rol
action.
In the Adaptive setting,ther ew ill also be no
wa rning vibration in thef ollowing situations:
R youa ccelerat ehard, e.g .kickdown.
R youb rakehard. 13 0
Driving and pa rking