Page 199 of 498

RThe distance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
RThe lane markings change quickl y,e.g. lanes
branch off, cross one ano ther or mer ge.
RThe car riag ew ay isvery nar row and winding.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with snow ,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been detected, no lane-cor‐
re cting brake application occurs .
Ac tivating Active Lane Keeping Assist
0071
WARNING Risk of accident despite
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane.
00BBAlw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application.
0071
WARNING Risk of accident despite inter‐
ve ntion of Active Lane Keeping Assist
Ac tive Lane Keeping Assist does not de tect
traf fic conditions or road users. In very rare
cases, the sy stem may make an inappropri‐
ate brake application, e.g. af ter intentional ly
driving over a solid lane marking.
The brake application can be inter rupte d at
any time if yousteer slightly in the opposite
direction.
00BBAlw ays make sure that there is suf fi‐
cient dist ancetothe side forot her traf‐
fi c or obs tacles.
0071
WARNING Risk of accident despite Lane
Ke eping Assist
Lane Keeping Assist cannot always clearly
de tect lane markings.
In such cases, Lane Keeping Assist can:
Rgive an unnecessary warning
Rnot give a warning
00BBAlw ays pay particular attention tothe
traf fic situation and keep within the
lane, especially if Active Lane Keeping
Assist alerts you.
Re quirement
The driving speed is at least 40 mph (60 km/h).
Driving and parking 19
7
Page 200 of 498

00BBPress button2.
If indicator lamp 1lights up, Lane Keeping
Assist is activated. When lane markings are
de tected, the lines in the assis tance graphic
are shown in white.
Sensitivity of Active Lane Keeping Assist
Wi th th est andard or adaptive setting, you can
influence when thewa rning vibration of Lane
Ke eping Assist take s place. In bo
th thest andard and adaptive settings, no
wa rning vibration occurs in thefo llowing situa‐
tions:
RYo u ha veswitched on the turn signal indica‐
to r.
RA driving safe ty system inter venes, such as
ABS, BAS or ESP®.
In the adaptive setting, there will also be no
wa rning vibration in thefo llowing situations:
RThe vehicle is accelerated or braked consid‐
erably.
RYo usteer actively, e.g. swer vetoavo id an
obs tacle or change lane quickl y.
RYou cut the corner on a sharp bend.
Setting the sensitivity of Active Lane Keep‐
ing Assist
Multimedia sy stem:
0086 9 H K L F O H00CFk $ V V L V W D Q F H00CF $ F W
/ D Q H . H H S $ V V L V W
00BBSelect a setting.
19 8
Driving and pa rking
Page 205 of 498

Further displa yson the multifunction display:
0097 Gearshift
recommendation (
→page 141)
ë Active Parking Assist activated
(
→page 185)
é Parking Assist PARKTRONI Cdeacti vated
(
→page 177)
00B2 Cruis
e control (
→page 160)
ç Active Dis tance Assist DISTRONIC
(
→pa ge 162)
è Active Steering Assist (
→page 167)
00D6 ECO
start/ stop function (
→page 136)
00D9 HOLD function (
→page
170)
00CE Ad
aptive Highbeam Assist (
→page 114)
Ve hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (
→page 191).
Ad justing the in stru ment lighting
00BBTurn brightness control 1up or down.
The lighting of the Instrument Display and in
th e control elements in theve hicle interior is
adjus ted.
Menus and submenus
Fu nctions in the Service menu of the on-
board compu ter
On-board computer:
0086 6 H U Y L F H
00BBTo select the function: swipe upwards or
down wards on the left-hand Touch Control.
00BBPress the left-hand Touch Control.
Fu nctions in the 6 H U Y L F H menu:
RMessage memory (→page 395)
R 7 L U H V:
-Restarting the tire pressure loss warning
sy stem (→page 360)
-Checking tire pressure with the tire pres‐
sure monitoring sy stem (→page 358)
-Re starting the tire pressure monitoring
sy stem(→page 359)
R $ 6 6 <