lane assist MERCEDES-BENZ GLA SUV 2020 Owner's Manual

Jump
starting (engi ne)......................2 96 K
Ke yposi tions
Start/Stop button.......................... 125
KE YLESS -GO
Conve nience closingfeatu re....... ..... 85
Deactiva tion.....................................70
Locking ............................................70
Unlocking ......................................... 70
Ki ckdo wn
Driving tips....... .............................138
Manu algea rshifti ng....... ................142
Kne ebag .............. ................................ 46 L
Lamps see Warni ngand indicator lamps
Lane detec tion(automatic )
see Lane KeepingAssist
Lane Keepin gAss ist
Activating/d eactivating (on-
boa rdcompu ter)....... ..................... 198
Displ aymessa ge....... ..................... 221
Function/inform ation<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 186
Lan eTracki ngpack age<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 185
Lap time (RACETIME R)<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 202
LA TCH- type (ISOF IX)chi ldseat
anc hors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 56
Li ce nse plate lamp(displ aymes -
sag e)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 216
Li ght senso r(di spl aymes sage)....... 217
Li ghts
Auto matichea dlamp mode............ 102
Co rneri nglight functi on<0011001100110011001100110011001100110011001100110011001100110011
0011[ 104
Fog lamps <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 103
Fogg edup hea dlamp s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 105
Haza rdwa rning lamps <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 104
Hig hbe am flashe r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 104
Hig h-be amheadlamp s<0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 104
Lig htsw itch <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 102
Low -bea mhea dlamp s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 103
Pa rking lamps <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 103
Re ar fog lamp <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 103
Setting exteriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011[ 102
Stand inglamps <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 103Swi
tching thedaytime runni ng
la mps on/of f(o n-boa rdcom-
pu ter) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 199
Tu rn sig nal s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 104
Lo adin ggui delines <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 251
Lo cki ng
see Central locking
Lo cki ng (do ors )
Auto matic<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 76
Emerg encylocking <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 77
From inside(central locking but-
ton) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 75
Lo cki ng central ly
see Central locking
Lo cki ng verifi cati onsign al(on-
bo ard computer) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 200
Lo w-b eam headlamps
Disp laymes sage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 215
Re placi ng bulbs<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 107
Swi tching on/off<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 103
Lub ricant additi ves
see Additives (engi ne oil)
Lumb arsuppo rt
Adju sting the4-wa ylu mba rsu p-
por t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 96 M
M+S tires<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 307
Malf unctionmes sage
see Disp laymes sages
Matte finish (cleani ng instruc -
tio ns) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 281
Mec hani calkey
Functi on/note s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 71
Inse rting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 72
Locki ngveh icle<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 77
Re movi ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 71
Unlo cking thedriver' sdoo r.............. 76
Memo rycard (audio)<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 195
Memo ryfunc tion<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 101
Merc edesme conne ct
Ca llpri ority<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 265
Disp laymes sage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 210
Dow nloading destina tions
(C OMAND) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 265
Dow nloading routes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 268
Ge nera lnotes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 261 In
dex
13

!
When
Active Distance AssistDISTRONIC
or the HOLD function isactivated, thevehi-
cle brakes automaticall yin certain situa-
tions.
To avoid damage tothe vehicle, deactivate
Act ive Distance AssistDISTRONIC andthe
HOLD function inthe followi ngorsimila rsit-
uations:
R when towing thevehicle
R in the carwash
Act ive Distance AssistDISTRONIC canneither
reduce therisk ofan accident ifyou failto
adap tyour driving style,noroverride thelaws
of physics. Active Distance AssistDISTRONIC
cannot takeintoaccount road,weather ortraf-
fic conditions. Active Distance Assist
DISTRONIC isonly anaid. You areresponsible
for the distance tothe vehicle infront ,for
vehicle speed,forbraking ingood timeandfor
staying inyour lane.
Do not use Active Distance AssistDISTRONIC:
R In road andtraffic conditions whichdonot
allow youtomaintain aconst antspeed, e.g.
in heavy traffic oron winding roads
R On slippe ryroad surfaces. Brakingoraccel-
erating couldcause thedrive wheels tolose
traction andthevehicle couldthenskid
R In poor visibil ity,e.g. due tofog, heavy rain
or snow
Act ive Distance AssistDISTRONIC maynot
detect narrow vehicles drivinginfront ,e.g.
motorcycles, orvehicles drivinginastaggered
formation.
In particular, thedetection ofobstacles canbe
impaired if:
R There isdirt onthe sensors oranything else
covering thesensors
R There issnow orheavy rain
R There isinterferenc eby other radarsources
R There arestrong radarreflections, forexam-
ple inparking garages
If Act ive Distance AssistDISTRONIC nolonger
detects avehicle infront ,Distance Pilot
DISTRONIC mayunexpectedly accelerateto
the speed stored. This
speed may:
R Be too high ifyou aredriving inaturning
lane oran exit lane
R Be sohigh when driving inthe right-hand
lane thatyouovertake vehiclesinthe left-
hand lane
R Be sohigh inthe left lane thatyoupass
vehicles drivingonthe right
If there isachange ofdrivers, advisethenew
driver ofthe speed stored.
Cruise control lever 0043
Tostore thecurrent speedorahigher
speed
0044 Tostore thecurrent speedoralower
speed
0087 Todeactivate Active Distance Assist
DISTRONIC
0085 Tostore thecurrent speedorcalls upthe
last stored speed
0083 Toset aspecified minimum distance
Activating ActiveDistance Assist
DISTRONIC Activation
conditions
! When
Active Distance AssistDISTRONIC
or the HOLD function isactivated, thevehi-
cle brakes automaticall yin certain situa-
tions.
To avoid damage tothe vehicle, deactivate
Act ive Distance AssistDISTRONIC andthe
HOLD function inthe followi ngorsimila rsit-
uations:
R when towing thevehicle
R in the carwash 160
Driving
systemsDriving andparking

Selec
tingthedrive progra m
Act ive Distanc eAssist DISTRONIC supportsa
sporty driving stylewhen youselect theS+
drive program (Ypage 138)orthe manual
drive program (Ypage 140). Acceleration
behind thevehicle infront ortothe setspeed
is then noticeably moredynamic. Ifyou have
selected theE(Mercedes-AMG vehicles:C)
drive program, thevehicle accelerates more
gently. Thissettin gis recommen dedinstop-
and-start traffic.
Changing lanes
If you want tochange tothe overtakin glane
on multi-lane roads,Active Distanc eAssist
DISTRONIC supportsyouif:
R you aredriving fasterthan45mph
(70 km/h)
R Act ive Distanc eAssist DISTRONIC ismain-
taining thedistance toavehicle infront
R you switch onthe appropriate turnsignal
R Act ive Distanc eAssist DISTRONIC doesnot
current lydetect adanger ofcollision
If these condition sare fulfilled, yourvehicle is
accelerated. Acceleration willbeinterrupt edif
changing lanestakes toolong orifthe dis-
tance between yourvehicle andthevehicle in
front becomes toosmall.
Stopping If Act ive Distanc eAssist DISTRONIC detects
that thevehicle infront isstopping, itbrakes
your vehicle untilitis stationary.
Once yourvehicle isstationary, itremains sta-
tionary andyoudonot need todepress the
brake.
i Aft
eratime, theelectric parking brake
secures thevehicle andrelieves theservice
brake.
i Depending
onthe specified minimum dis-
tance, yourvehicle willcome toastandst ill
at asufficient distancebehindthevehicle in
front .The specified minimum distanceisset
using thecont rolonthe cruise controllever. When
Active Distanc eAssist DISTRONIC is
activated, thetransm issionisshifted automati-
cally toposition 005Dif:
R the driver's seatbeltisnot fastened andthe
driver's doorisopen.
R the engine isswitched off,unless itis auto-
matically switchedoffbythe ECO start/
stop funct ion.
The electric parking brakeisapplie dautomati-
cally ifAct ive Distanc eAssist DISTRONIC is
active whenthevehicle isstationary and:
R asystem malfunction occurs.
R the power supply isinsufficient .
If amalfunction occurs,thetransm issionmay
also shift toposition 005Dautomatically.
Setting aspeed Keep
inmind thatitmay take abrief moment
until thevehicle hasaccelerated orbraked to
the speed set.
X Press thecruise controllever up0043 for a
higher speedordown 0044for alower speed.
X To
adj ust the setspeed in1mph incre-
ments (1km/h increments): brieflypush
the cruise controllever up0043 ordown 0044to
the pressure point.
The laststored speedincreases ordecrea-
ses in1mph (1km/h) incremen ts.
X To
adj ust the setspeed in5mph incre-
ments (10km/h increments): brieflypush
the cruise controllever up0043 ordown 0044
beyond thepressure point.
The laststored speedincreases ordecrea-
ses in5mph (10km/h) incremen ts.
i Act
ive Distanc eAssist DISTRONIC isnot
deactivated ifyou depress theaccelerator
pedal. Ifyou accelerate toovertake, Active
Distanc eAssist DISTRONIC adjuststhevehi-
cle's speed tothe last speed stored, after
you have finished overtakin g.
Setting aspecified minimum distance You
cansetthe specified minimum distance
for Active Distanc eAssist DISTRONIC byvary-
ing the time span between oneandtwosec-
onds. Thisdetermines thedistance thatActive
Distanc eAssist DISTRONIC isto maintain from
the vehicle infront ,depending onthe road
speed. Youcanseethis distance inthe multi-
funct iondisplay (Ypage 164). 162
Driving
systemsDriving andparking

Acti
veDist ance AssistDIST RONIC dis-
pla ysintheinst rumen tclus ter Disp
laysin thesp eedo meter When
Active Distanc eAs sis tDI ST RONI Cis
act ivat edand there arenoveh icles det ectedin
fr on t,on eor two segmen ts0044 intheset
spee dran geligh tup.
If Ac tive Distanc eAs sis tDI ST RONI Cdet ects a
veh iclein fron t,seg men ts0044 from spee dof
th eveh iclein fron t0087 tostore dspee d0043 ligh t
up.
i Fo
rdesi gnreas ons,thespee ddisp layed
on thespee dometer may differ slig htly from
th espee dset forActive Distanc eAs sis t
DI ST RONI C.
Disp laywhen ActiveDist ance Assist
DIST RONIC isdea ctivated
In theAs sis tan cemen u(Y page 196)ofthe
on -board comput er,you can selecttheassi s-
tan cedisp lay. 0043
Veh iclein fron t,ifdet ected
0044 Distanc eind icat or,curren tdist anceto the
veh iclein fron t
0087 Specifie dmin imum distanceto theveh icle
in fron t;adj ust able
0085 Your vehicle X
Se lec tth eAss istanceGra phic Ass
istanceGra phicfun ction
usin gth eon -board comput er(Y page 197).
Disp laywhen ActiveDist ance Assist
DIST RONIC isact ivated
You willinitially see thest ore dspee dfor
appr oximat elyfivesec onds when youactivat e
Ac tive Distanc eAs sis tDI ST RONI C. 0043
Veh iclein fron t,ifdet ected
0044 Specifie dmin imum distanceto theveh icle
in fron t;adj ust able
0087 Your vehicle
0085 Active Distanc eAs sis tDI ST RONI Cact ive
(t ex ton lyappear swhen thecr uise control
lev erisact uate d)
X Se lec tth eAss istanceGra phic Ass
istanceGra phicfun ction
usin gth eon -board comput er(Y page 197).
Ti ps for drivin gwith ActiveDist ance
Assis tDIST RONIC Gene
ralnot es
Pay particularatt ention inthefol lowin gtraff ic
sit uati ons:
R Corn ering,en terin gand exiting aben d:the
abilit yof Active Distanc eAs sis tDI ST RONI C
to det ectveh icles on ben dsislimi ted. Your
veh iclemay brakeune xpec tedly orlate.
R Veh icles drivin gin ast agge redformat ion:
Ac tive Distanc eAs sis tDI ST RONI Cmay not
det ectveh icles that are notdri vin gin the
midd leof their lanes. The distanceto the
veh iclein fron twill betoosho rt.
R Ot her vehicles chang inglane:Ac tive Dis-
tan ceAssis tDI ST RONI Chas notdet ected
th eveh iclecut ting inyet .The distanceto
th is veh iclewill betoosho rt.
R Nar row vehicles: Active Distanc eAs sis t
DI ST RONI Chas notyet detectedth eveh icle 164
Driv
ingsystem sDriv ingand parki ng

in
fro nton the edge ofthe road because of
its narr owwidth. Thedistanceto the vehic le
in fro ntwill betoo shor t.
R Obst acles andstationar yvehic les:Active
Dist anceAss istDISTRON ICdoes notbrak e
for obst acles orstat ionar yvehic les.If,for
exam ple,thedete cted vehic leturn sa cor -
ner and anobst acle orstat ionar yvehic leis
reve aled, ActiveDist anceAss istDISTRON IC
will notbrak efor them.
R Ac tiveDist anceAss istDISTRON ICmay mis-
tak enly detectvehic lesthat arecrossin g
your lane. Ifyou activate ActiveDist ance
Ass istDISTRON ICunder thefollowin gcon di-
tion s,the vehic lecould pullaway uninten-
tion ally:
- at traffic lightswith crossin gtraffic ,for
exam ple
- ifthe reisavehic lein fro nt,aft eracro ss-
ing, with theHOL Dfunc tion activate d
In such situat ions,brak eif nec essary. Active
Dist anceAss istDISTRON ICwill thenbe deact i-
vate d. HOLD
function
Gener alnotes The
HOL Dfunc tion canassist thedrive rin the
followin gsituat ions:
R When pulling away,especiallyonsteep
slopes
R When maneuverin gon steep slopes
R When waitingin traffic
The vehic leiskept stationar ywitho utthe
drive rhavin gto depres sthe brak epedal.
The brak ingeffe ctiscan celed andtheHOL D
func tion deact ivatedwhen youdepres sthe
acc elerat orpedal topull away. Imp
ortant safety notes G
WARN
ING
If the vehic leisonly brakedusing theHOL D
func tion,the vehic lemay rollaway inthe fol-
lowing situationswhen youleave thevehi-
cle:
R ifthe reisamalfun ction inthe syst emor
in the voltage supply
R ifthe HOL Dfunc tion isdeact ivatedby
depres singtheaccelerat orpedal orbrak e
pedal, e.g.byavehic leocc upant
There isarisk ofan acc ident .
Always deactivatethe HOL Dfunc tion and
secur ethe vehic leagainst rollingaway
befor eyou leave it.
! When
ActiveDist anceAss istDISTRON IC
or the HOL Dfunc tion isact ivat ed, the vehi-
cle brak esautom atically incer tain situa-
tion s.
To avoid damage tothe vehic le,deact ivate
Ac tiveDist anceAss istDISTRON ICand the
HOL Dfunc tion inthe followin gor similar sit-
uation s:
R when towingthe vehic le
R in the carwash
Deac tivate the HOL Dfunc tion (Ypage 166).
Activa tioncondit ions You
canactivat ethe HOL Dfunc tion if:
R the vehic leisstat ionar y
R the engin eis runn ingorifit has been auto-
matic allyswitc hedoffbythe ECO start/
sto pfunc tion
R the drive r'sdoor isclos edoryour seatbelt
is fast ened
R the elect ricpark ingbrak eis released
R Ac tiveDist anceAss istDISTRON ICisdeact i-
vat ed
R the transm ission isin posit ion005B, 005Eor005C
on vehic leswith autom atictransm ission Driving
systems
165Driving andparking Z

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 isthen
deactivated andthe
indicator lamponthe
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
then deactivated. The
Parking AssistPARKTRONIC sensorsaredirty orthere isinter-
ferenc e.
X Clean theParking AssistPARKTRONIC sensors(Ypage 283).
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 andbrake application
can assist youduring parking andwhen exiting
a parking space.Youcanalso stilluse Parking
Assist PARKTRONIC (Ypage 171).
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.Makesurethatthere areno
persons, animalsorobject sin the maneuver-
ing area when youaremaneuvering orparking.
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.
! If
they cannot beavoided, driveover
obstacles suchascurbs slowly andatan
obtuse angle.Otherwise, youmay damage
the wheels ortires.
Act ive Parking Assistmaypossibly indicate
parking spaceswhicharenot suitable forpark-
ing, forexample:
R where parking orstopping isprohibited
R in front ofdriveways orentr ances andexits
R on unsuitable surfaces 174
Driving
systemsDriving andparking

0083
Yellow guidelineatadistan ceofapprox -
imate ly3ft (1. 0m) from therear ofthe
vehic le
0084 Vehic lecen teraxle (mark erassist ance)
006B Bumper
006C Red guide lineatadistan ceofapprox -
imate ly12 in(0. 30 m)from therear ofthe
vehic le 0043
Frontwarnin gdisplay
0044 Addit ional measurem entoperat ionalreadi-
ness indicatorforPark ingAssist
PARKT RONIC
0087 Rear warnin gdisplay
When ParkingAssistPARKT RONIC isopera-
tion al(Y page 173),addition almeasurem ent
operat ionalreadin essindic ator0044appears in
the multim ediasyste mdisplay. Ifthe Park ing
Ass istPARKT RONIC warningdisplays are
act ive orlight up,warnin gdisplays 0043and 0087
are also active orlight upcor respon dinglyin
the multim ediasyste mdisplay. "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
switc hedon(Ypage 179).
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. 180
Driving
systemsDriving andparking

Imp
ortant safety notes AT
TENTI ON ASSIST ison lyan aid tothedriv er.
It mig htnotalways recogn izefatigue or
inc reas inginatten tiven ess intime orfail to
rec ogn izethem atall. The systemisno ta sub-
st itute forawell- restedand attentive driv er.
The function alit yof ATTENTI ON ASSIST is
res trict ed and warn ingsmay bedelaye dor not
oc cur atall:
R ifth elen gthof thejo urn eyisless than
appr oximat ely30min utes
R ifth eroad cond ition ispoor ,e. g. ifth esur -
fac eis une ven orifth ere arepothole s
R ifth ere isast ron gside wind
R ifyou have adopt edaspo rty driv ingstyle
wit hhigh cornerin gspee dsorhigh rates of
acc eler ation
R ifyou arepredom inantly driv ingslow erthan
37 mph (60km/h) orfas terth an 125mph
(20 0km/ h)
R ifthe timehas been setincorre ctly
R in act ive drivin gsituat ions,such aswhen
you chan gelanes orchan geyour speed
ATTE NTIO NAS SIS Tis reset when youcontinue
your journey and startsassess ingyour tired-
nes sagain if:
R you switc hoff the engin e
R you takeoff your seatbeltandopen the
drive r'sdoor, e.g.forachan geofdrive rsor
to tak eabreak
Displa yingtheat tent ionlevel You
canhave currentstatusinformat iondis-
played inthe assist ancemen u(Y page 196)
of the on-board computer .
X Selec tthe Assistan cedisplay forAtten tion
Ass istusing theon-board computer
(Y page 197). The
followin ginf ormat ionisdisplayed:
R The lengt hof the jour ney sincethe last
break .
R The Atte ntionLeve l Atte
ntionLeve ldete rmin edby
ATTE NTIO NAS SIS T,displayed inabar dis-
play infive levels fromhigh tolow.
R IfATTE NTIO NAS SIS Tis unable tocalc ulate
the attent ion level andcannot output a
warnin g,the Syst emSusp ended Syst
emSusp endedmess age
appears. Thebardisplay thenchan gesthe
display, suchaswhen youaredrivin gat a
speed below37mph (60km /h)or above
125 mph (200 km/h).
Activa tingATTENT ION ASSIST X
Ac tivate ATTE NTIO NAS SIS Tusing theon-
board computer (Ypage 198).
The systemdete rmin esthe attent ion level of
the drive rdepen dingonthe settingselec -
ted:
Stan dard Stan
dard selected:thesensitiv itywith which
the syst emdete rmin esthe attent ion level is
set tonor mal.
Sens itive Sens
itiveselec ted:thesensitiv ityisset
higher .The attent ion level detected byAtten -
tion Assistisadapted accordin glyand the
drive ris warne dearlier.
When ATTENTIO NAS SIS Tis deact ivated, the
00D7 symbol appears inthe multif unction dis-
play inthe assist ancegraphic display.
When ATTENTIO NAS SIS Thas been deact iva-
ted, itis autom atically react ivatedafterthe
engin ehas been stopped. Thesensitiv ity
selec tedcorrespo ndstothe last selec tionacti-
vate d(st andard /sensitive).
War ning inthemu ltifunct iondisp lay If
fat igue orinc reasin glapses incon centration
are dete cted, awarnin gappears inthe multi-
func tion display: ATTENTIONASSI ST ATTE
NTIONASSI STTake a Take
a
Brea k! Brea
k!.
In addition tothe mess ageshown inthe multi-
func tion display, youwillthenhear awarnin g
ton e.
X Ifnec essary, takeabreak .
X Conf irmthemess agebypress ingthe 0076
butt ononthe steerin gwheel.
On long journeys, takeregular breaksin good
tim eto allow yourself torest proper ly.Ifyou
do not takeabreak andATTE NTIO NAS SIS T 184
Driving
systemsDriving andparking

still
detects increasing lapsesinconcen tra-
tion, youwillbewarned againafter 15minutes
at the earliest. Thiswillonly happen ifATTEN-
TION ASSISTstill detects typicalindicators of
fatigue orincreasing lapsesinconcen tration.
Vehicles withtheCOMAND multimedia
system: ifawarning isoutput inthe multi-
function display,aservice stationsearchis
performed inthe multimedia system.Youcan
select aservice stationandnavigation tothis
service stationwillthen begin. Thisfunction
can beactivated ordeactivated inthe multi-
media system; seetheDigital Operator's Man-
ual . Lane
Tracking package
General notes The
Lane Tracking packageconsistsofBlind
Spot Assist (Ypage 185)andLane Keeping
Assist (Ypage 186).
Blind SpotAssis t General
notes
Blind SpotAssist monitors theareas oneither
side ofthe vehicle thatarenot visible tothe
driver withtwolateral, rear-facing radarsen-
sors. Awarning displayin the exterior mirrors
draws yourattent iontovehicles detected in
the monitored area.Ifyou then switch onthe
corresponding turnsignal tochange lane,you
will also receive anoptical andaudiblewarn-
ing.
Blind SpotAssist supports youfrom aspeed of
approximately 20mph (30km/h).
Importa ntsafety notes G
WARNING
Blind SpotAssist doesnotreact to:
R vehicles overtaken tooclosely onthe side,
placing theminthe blind spotarea
R vehicles whichapproach withalarge
speed differential andovertake yourvehi-
cle
As aresult, BlindSpotAssist maynotgive
warnings insuch situations. Thereisarisk
of an accident. Always
observe thetraffic conditions care-
fully ,and maintain asafe lateral distance.
Blind SpotAssist isonly anaid. Itmay failto
detect somevehicles andisno substitute for
attent ivedriving. Alwaysensurethatthere is
sufficient distancetothe side forother road
users andobstacles.
i USA
only:
This device hasbeen approved bythe FCC
as a"Vehicul arRada rSystem". Theradar
sensor isintended foruse inan automotive
radar system only.Removing, tampering
with, oraltering thedevice willvoid anywar-
ranties, andisnot permitted bythe FCC. Do
not tamper with,alter, oruse inany non-
approved way.
Any unauthorized modificationtothis device
could voidtheuser’s authority tooperate
the equip ment.
Rada rsenso rs
The radar sensors forBlind SpotAssist are
integrated intotherear bumper. Makesure
that thebumpers arefree from dirt,iceor
slush. Thesensors mustnotbecovered, for
example bycycle racks oroverhanging loads.
Following asevere impact orinthe event of
damage tothe bumpers, havethefunction of
the radar sensors checked ataqual ified spe-
cialist workshop. BlindSpotAssist maynolon-
ger work properly.
Monitoring rangeofthe senso rs
In particular, thedetection ofobstacles canbe
impaired if:
R there isdirt onthe sensors oranything else
covering thesensors
R there ispoor visibil ity,e.g. due tofog, heavy
rain orsnow
R anarrow vehicle traveling infront ,e.g. a
motorbike orbicycle
R the road hasvery wide lanes
R the road hasnarrow lanes
R you arenot driving inthe middle ofthe lane
R there arebarriers orother roadboundarie s
Vehicles inthe monitoring rangearethen not
indicated.
Blind SpotAssist monitors thearea upto10 ft
(3 m) behind yourvehicle anddirectly nextto
it. Driving
systems
185Drivingandparking Z

If
the lanes arenarrow, vehiclesdriving inthe
lane beyond thelane next toyou rvehicle may
be indicated ,especia llyifthe vehicle sare not
driving inthe middl eof their lane. Thismay be
the case ifthe vehicle sare driving onthe inner
side oftheir lane.
Due tothe nature ofthe system:
R warnings maybeissu edinerror when driv-
ing close tocrash barriersor simil arsolid
lane borders.
R warnings maybeinterrupted whenyouare
driving alongsideparticul arlylong vehicle s,
such astrucks, foraprolonged time.
Warning display 0043
Warning display
Blind SpotAssist isnot active atspeed sbelow
appro ximately 20mph (30km/h). Vehiclesin
the monitoring rangearethen notindicated .
When BlindSpotAssist isactivated, indicator
lamp 0043inthe exterior mirrorslightsupyellow
at speed sof up to20 mph (30km/h ).At
speed sabove 20mph (30km/h), theindicator
lamp goesoutand Blind SpotAssist isopera -
tional.
If avehicle isdetected withintheblind spot
monitoring rangeatspeed sabove 20mph
(30 km/h), warning lamp0043onthe corre-
sponding sidelights upred. This warning is
alw ays emitted whenavehicle enterstheblind
spot monitoring rangefrombehind orfrom the
side. When youovertake avehicle ,the warning
only occurs ifthe difference inspeed isless
than 7mph (12km/h ).
The yellow indicator lampgoesoutifreverse
gear isengaged .In this event, BlindSpot
Assist isno longer active.
The brightness ofthe indicator/wa rninglamps
is adjusted automaticallyaccording tothe
ambi entlight. Col
lision warning
If avehicle isdetected inthe monitoring range
of Blind SpotAssist andyouswitch onthe cor-
respondi ngturn signal ,a doub lewarning tone
sounds. Redwarning lamp0043flashe s.Ifthe
turn signal remains on,vehicle sdetected are
indicated bythe flashi ngofred warning
lamp 0043.There arenofurther warning tones.
Swi tching onBlind SpotAssist
X Make surethatBlind SpotAssist isactiva-
ted inthe on-board computer (Ypage 198).
X Turn theSmartKey topositio n0048 inthe igni-
tion lock.
Warning lamps0043 inthe exterior mirrors
light upred forappro ximately 1.5seconds
and then turnyellow.
Lane Keeping Assist Gene
ralnotes Lane
Keepi ngAssist monitors thearea infront
of you rvehicle bymeans ofmultifu nctioncam-
era 0043which isattached behindthetop ofthe
windshi eld.Lane Keepi ngAssist detects lane
markings onthe road andcanwarn youbefore
you leaveyou rlane unintentionally .
This function isavai lablein the range betwee n
40 mph and120 mph (60km/h and
200 km/h).
A warning maybegiven ifafront wheel passes
over alane marking. Itwil lwarn youbymeans
of intermittent vibrationin the steering wheel
for upto1.5 seconds .
Important safetynotes G
WARNING
Lane Keepi ngAssist cannot always clearl y
detect lanemarkings. 186
Drivi
ngsystemsDrivi ngand parking