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 199).
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 198). 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
189Drivingand parking Z
Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Act
ive LaneKee p‐ Act
ive LaneKee p‐
ing Assist Cur‐ ing
Assist Cur‐
ren tly Unavailab le ren
tly Unavailab le
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual Ac
tive Lan eKee pingAs sis tis deac tivat ed and tempo rarily ino per a-
ti ve.
Pos siblecaus esare:
R thewin dsh ield inthecam era'sfie ldof vis ion isdir ty
R vis ibilit yis imp aire ddue toheav yrain ,sn ow orfog
R there havebeen nolanemar king sfor anextend ed per iod
R thelan emar king sare wornaway, darkorcover edup, e.g. by dirt
or snow
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Lan eKee pingAs sis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 146).
X Clean thewin dsh ield. Act
ive LaneKee p‐ Act
ive LaneKee p‐
ing Assist Inopera‐ ing
Assist Inopera‐
tiv e tiv
e Ac
tive Lan eKee pingAs sis tis malf unction ing .
X Vis itaqualif iedspecialistwor kshop . Act
ive BlindSpo t Act
ive BlindSpo t
Ass ist Currently Ass
ist Currently
Una vailableSee Una
vailableSee
Ope rator'sMan ual Ope
rator'sMan ual Ac
tive Blind Spot Assis tis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emisout side theoper ating tempe rature
ran ge
R theradar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag netic radi ation emi tted bynearby TVorradi ostati ons
or other sour cesof elec tromag netic radi ation
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Blind Spot Assis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 146).
X Clean thesen sors(Y page 275).
X Rest arttheen gin e. Act
ive BlindSpo t Act
ive BlindSpo t
Ass ist Inoperati ve Ass
ist Inoperati ve Ac
tive Blind Spot Assis tis malf unction ing .
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
223On -boar dcomp uter anddi sp lay s Z
