2018 MERCEDES-BENZ E-CLASS CABRIOLET lane assist

Traf fic Sign Assist is notavailable in all coun‐
tries. If it is una vailable, display 1is shown in
th e speedome ter.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing situations:
RIf th ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, highly variable
shade conditions, or due torain, sno w,fog or
heavy spr ay.
RIfth ere is glare, e.g. from oncoming traf fic,
dire ct sunlight or reflections.
RIf th ere is dirt on the windshield in the vicin‐
ity of the multifunction camera or the camera
is fogged up, damaged or obscured.
RIf th e tra ffic signs are hard todetect, e.g. due
to dirt or sno w,or because they are co vered,
or due toinsuf ficient lighting.
RIf th e information in the navigation sy stem's
digital map is incor rect or out-of-date .
RIfth e signs are ambiguous, e.g. traf fic signs
on construction sites or in adjacent lanes.
Setting Traf fic Sign Assist
Multimedia sy stem:
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Ac tivating /deacti vating automatic adoption
of speed limits
Re quirements
RAc tive Dis tance Assist DISTRONIC is acti va‐
te d.
00BBSelect /LPLW $GRSWLRQ .
00BBActivate 0073or deacti vate 0053 the function.
The speed limits de tected byTraf fic Sign
Assist are automatically adop tedby Active
Dis tance Assist DISTRONIC.
Displ aying de tected traf fic signs in the
media display
00BBSelect 'LVSOD\ LQ &20$1'.
00BBActivate 0073or deacti vate 0053 the function.
Ad justing the type of warning
00BBSelect 9LVXDO $XGLEOH ,9LVXDO or1RQH.
Ad justing the warning threshold
This value de term ines the speed at which a
wa rning is issued when exceeded.
00BBSelect :DUQLQJ 7KUHVKROG.
00BBSetthe desired speed.
19 2
Driving and pa rking

Blind Spot AssistandActive Blind Spot
Assi st
Function of Blind Spot Assist and Active
Blind Spot Assi st
Blind Spot Assist uses two lateral,rear-facing
ra dar sensors tomonitor the area up to130ft
(40 m) behind your vehicle and 10ft(3 m)
directly next to yourvehicle.
If a vehicle is de tected at speeds ab ove appr ox‐
imately 8 mph (12 km/h) and this vehicle subse‐
qu ent lyenters the monitoring range di rectly next
to yo urvehicle, thewa rning lamp in the outside
mir ror lights up red.
If a vehicle is de tected close to yourvehicle in
th e lateral monitoring range and youswit chon
th e turn signal indicator in the cor responding
direction, a warning tone sounds once. The red
wa rning lamp in the outside mir rorflashes. If the
turn signal indica torre mains on, all other de tec‐
te dve hicles are indicated only bytheflashing of
th ere dwa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given.
0071 WARNING Risk of accident despite Blind
Spot Assist
Blind Spot Assist does notreact tovehicles
approaching and overtaking you at a greatly
di fferent speed.
As a result, Blind Spot Assist cannot warn
drivers in this situation.
00BBAlw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle.
Blind Spot Assist and Active Blind Spot Assi st
are only aids. They may failto detect some vehi‐
cles and are no substitute for attentive driving.
Alw ays ensure that there is suf ficient dist anceto
th e side forot her road users and obs tacles.
Sy stem limitations
The sy stem may be limited in thefo llowing situa‐
tions:
Rth e sensors are dirty or co vered
Rpoor visibility, e.g. due tofog, heavy rain,
snow or spr ay
Rnarrow vehicles, e.g. bicycles, are within the
monitoring range
Wa rnings may be issued in er ror when driving
close tocrash barr iers or similar solid lane bor‐
ders. Warnings may be inter rupte d when driving
alongside long vehicles, e.g. truc ks,fo r a pro‐
longed time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
Fu nction of braking applications (Active
Blind Spot Assist)
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cours e-cor‐
re cting brake application is car ried out. This is
designed tohelp youav oid a collision.
The course-cor recting brake application is availa‐
ble in the speed range between appr oximately
20 mph (30 km/h) and 125mp h (200 km/h).
Driving and parking 19
3

Activating or deactivating Blind Spot Assi st
or Active Blind Spot Assi st
Multimedia sy stem:
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00BBAc tivate 0073or deacti vate 0053 the function.
Ac tive Lane Keeping Assist
Active Lane Keeping Assist function
Active Lane Keeping Assist monitors the area in
front of your vehicle bymeans of multifunction
camera 1. It ser vesto protect you against unin‐
te ntional lyleaving your lane. You will be warned
by means of a vibration in thesteering wheel and a course-cor
recting brake application guides
yo u back into your lane.
Yo u are warned byvibration pulses in thesteer‐
ing wheel in thefo llowing circums tances:
RAc tive Lane Keeping Assist de tects lane
markings.
RA front wheel passes over the lane markings.
Yo uwill also be guided back into your lane by
means of a course-cor recting brake application
if th efo llowing conditions are me t:
RActive Lane Keeping Assist de tects lane
markings.
RA front wheel drives over a solid lane mark‐
ing.
Whe ther a warning is issued and when this
occurs also depends on the selected sensitivity
setting (s tanda rdor adaptive).
If yo ufa ilto adapt your driving style, Ac tive Lane
Ke eping Assist can neither reduce therisk of an
accident nor override the la wsof ph ysics. It can‐
not take into account road, weather or traf fic
conditions. Active Lane Keeping Assist is only an
aid. You are responsible forth e dis tance tothe
Driving and pa rking 19
5

vehicle in front, forve hicle speed, for braking in
good time and forst ay ing in lane.
Ve hicles with Lane Tracking pac kage:If th e
lane markings are solid lines and youdo not
re act tothewa rning, a lane-cor recting brake
application can bring theve hicle back into the
original lane.
Ve hicles with Driving Assistance pac kageor
Driving Assistance Plus pa ckage: Ifyo udo not
re act tothewa rning, a lane-cor recting brake
application can bring theve hicle back into the
original lane. In the case of a broken lane mark‐
ing being de tected, a brake application will only
be made if a vehicle has been de tected in the
adjacent lane. Oncoming vehicles, overtaking
ve hicles and vehicles in adjacent lanes can be
de tected.
The brake application is available in the speed
ra nge between 40 mph (60 km/h) and 120mp h
(200 km/h).
If a lane-cor recting brake application occurs , dis‐
play 1appears in the multifunction displa y.
Sy stem limitations
No lane-cor recting brake application occurs in
th efo llowing situations:
RYo u clear lyand actively steer, brake or accel‐
erate.
RYo u ha veswitched on the turn signal indica‐
to r.
RA driving safe ty system inter venes, such as
ESP®, Ac tive Brake Assi stor Active Blind
Spot Assi st.
RYo u ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
RESP®is deactivated.
RWhen driving with a trailer, the electrical con‐
nection tothe trailer has been cor rectly
es tablished.
RIf a loss of tire pressure or a defective tire
has been de tected and displ ayed.
The sy stem may be impaired or may not function
in thefo llowing situations:
RIf th ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, highly variable
shade conditions, or due torain, sno w,fog or
heavy spr ay.
RThere is glare, e.g. from oncoming traf fic, the
sun or reflections.
RIf th ere is dirt on the windshield in the vicin‐
ity of the multifunction camera or the camera
is mis ted up, damaged or obscured.
RNo or se veral, unclear lane markings are
present for one lane, e.g. nearroadwor ks.
RThe lane markings are worn, dark or co vered.
19 6
Driving and pa rking

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

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:
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00BBSelect a setting.
19 8
Driving and pa rking

Calling upthe assistant display
On-board computer:
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00CE Ve
hicles with the Instrument Display in
th eWi descreen Co ckpit: when you ha ve
th e design set to3URJUHVVLYH ,yo u can view
th e assis tant displ ayinthe left-hand portion
of the Instrument Displa y.
The following displa ysare available from the
assis tant displ aymenu:
RAssis tant displ ay
RAttention le vel (→page 189)
00BBTo switch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control.
Status displa yson the assis tant displ ay:
R00D7: ATTENTION ASSIST deactivated
R00D4: Active Brake Assi stdeactivated
RLight lane markings: Active Lane Keeping
Assist activated
RGreen lane markings: Active Lane Keeping
Assist active
RGr ay radar waves next tovehicle: Blind Spot
Assist activated
RGreen radar waves next tovehicle: Blind Spot
Assist active
RAc tive Dis tance Assist DISTRONIC displa ys
(→page 162)
Calling up displays in theTr ip menu
On-board computer:
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00CE Ve
hicles with an Instrument Display in
th eWi descreen Co ckpit: when you ha ve
th e design set to3URJUHVVLYH ,yo u can view
information on the journey in the left-hand
area of the Instrument Displa y.
00BBToselect a displa y:swipe upwards or down‐
wa rds on the left-hand Touch Control.
Displa ysinthe7ULS menu:
RStandard display
RRa nge and cur rent fuel consump tion
204
Instrument Displ ayand on-board computer

Displaymessages
Possible causes/consequences and 0050Solutions
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he AIR BODY CONTROL function is restricted. The vehicle's handling characteristics may be af fected.
00BBDrive in a manner appropria teforth e cur rent le vel, but do not exceed 50 mph (80 km/h).
00BBVisit a qualified specialist workshop.
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ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limitations (
→page 195).
Ve hicles with Active Steering Assis t:The camera view may be limited bythe windshield.
00BBDrive on.
As soon as the ambient conditions are within the sy stem limitations, the sy stem will become available again.
If th e display message does not disappear on vehicles with Active Steering Assis t:
00BBPullover and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBClean the windshield.
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ctive Lane Keeping Assist is malfunctioning.
00BBVisit a qualified specialist workshop.
Display messages and warning/indicator lamps 41
5