2019 MERCEDES-BENZ S-CLASS CABRIOLET lane assist

The sy
stem may be impaired or may not function
in thefo llowing ins tances:
R In sno w,rain, fog, heavy spr ay, if there is
gl are, direct sunlight, great lyvarying ambient
light, reflections or strong shado wsonthe
ro adw ay.
R Insuf ficient road illumination.
R The windshield in the area of the camera is
dirty, fogged up, damaged or co vered.
R Absence of lane markings, or se veral unclear
lane markings, or if the markings change rap‐
idl y.
R The dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
R The road is nar rowand winding.
R Obs tacles on the lane or projecting out into
th e lane.
The sy stem does not pr ovide assis tance in the
fo llowing conditions:
R On tight bends, traf fic circles and when turn‐
ing. R
When acti velych anging lane without swit ch‐
ing on the turn signal. &
WARNING Risk of accident if Active
St eering Assist unexpectedly stops func‐
tioning
If th e sy stem limitations of Active Steering
Assist are reached there is no guarantee that
th e sy stem will remain active or will keep the
ve hicle in lane. #
Alw ayske ep your hands on thesteering
wheel and obser vethe tra ffic carefull y. #
Alw aysst eer theve hicle paying atten‐
tion totraf fic conditions. &
WARNING Risk of accident if Active
St eering Assist unexpectedly inter venes
A malfunction in the de tection of lane mark‐
ings and objects can occu r.
This could cause unexpected steering inter‐
ve ntion. #
Steer according totraf fic conditions. Ac
tivating Active Steering Assist
Re quirements
R ESP ®
must be activated, but not inter vening.
R Active Dis tance Assi stDISTRONIC is acti va‐
te d. #
If indicator lamp 1is off: press button 2. Driving and parking
17 3

Fu
nction of Active Lane Change Assi st
% The availability of thefo llowing function is
countr y-dependent.
Ac tive Lane Change Assi stsupports the driver
when changing lanes byapplying steering torque
if th e driver operates a turn signal.
Assis tance when changing lanes is pr ovided if all
th efo llowing conditions are me t:
R You are driving on a free way or road with
multiple lanes in the direction of tr avel.
R The neighboring lane is separated bya bro‐
ke n lane ma rking.
R Novehicle is de tected in the adjacent lane.
R The driven speed is between 50 mph
(80 km/h) and 110mp h (1 80 km/h).
R Active Lane Change Assi stis switched on in
th e multimedia sy stem.
R Active Steering Assist is switched on and
active. If no
vehicle is de tected in the adjacent lane and
a lane change is permit ted, thesteering wheel
symbol and the ar row are shown in green 2.
The Lane Change to the Left message appears,
fo rex ample. If Active Lane Change Assi sthas
been activated with the turn signal indicator but
a lane change is not immediately possible, the
st eering wheel symbol remains green and the
ar row appears gray 1 . When the lane change
suppo rtstarts, the turn signal indicator is auto‐
matically activated.
If a lane change is not possible, the ar row fa des
out af ter a few seconds and a new lane change
must be initiated. An immediate lane change is on
ly possible on free way sections without speed
limits.
If th e sy stem is impaired, Active Lane Change
Assi stmay be canceled. If it is canceled, the
Lane Change Canceled message appears inthe
multifunction display and a warning tone sounds. &
WARNING Risk of accident from chang‐
ing lane toan occupied adjacent lane
Lane Chan geAssi stcannot al ways detect
clear lyifth e adjacent lane is free.
The lane change might be initiated although
th e adjacent lane is not free. #
Before changing lanes, make sure that
th e neighboring lane is free and there is
no danger to otherroad users. #
Monitor the lane change. 174
Driving and pa rking

&
WARNING Risk of accident if Lane
Change Assi stunexpectedly stops func‐
tioning
If th e sy stem limitations for Lane Change
Assist ha vebeen reached, there is no guar‐
antee that the sy stem will remain active.
Lane Change Assist cannot then assist you
by applying steering torques. #
Alw ays monitor the lane change and
ke ep your hands on thesteering wheel.
Obser vethe tra ffic conditions and steer
and/or brake if necessar y.Sy
stem limitations
The sy stem limitations of Active Steering Assist
apply toActive Lane Change Assi st
( → page 172).
The sy stem may also be impaired or may not
function in thefo llowing situations:
R The sensors in there ar bumper are dirty,
damaged or co vered, for ins tance by a
st icke r or ice and sno w.
R The exterior lighting is malfunctioning. Ac
tivating/deactivating Active Lane Change
Assi st
Multimedia sy stem:
, Vehicle .
k Assistance #
Select Lane Change Assist . #
Activate 0073or deacti vate 0053 the function.
Fu nction of Active Eme rgency Stop Assist
If th e driver continually ignores the visual or
acoustic warning toput their hands on thesteer‐
ing wheel, theBeginning Emergency Stop mes‐
sage appears in the multifunction displa y.Ifthe
driver still does not respond, Active Dis tance
Assi stDISTRONIC reduces the speed. The vehi‐
cle is decelerated in stages toast andstill. At
speeds below 40 mph (6 0 km/h) the hazard
wa rning lights switch on automaticall y.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R The vehicle is secured with the electric park‐
ing brake
R Active Dis tance Assi stDISTRONIC is ended
R The vehicle is unloc ked R
If possible, an emer gency call is placed to
th e Mercedes-Benz emer gency call center
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
R Steering
R Braking or accelerating
R Pressing a steering wheel button
R Operating Touch Control
R Activating or deacti vating Active Dis tance
Assi stDISTRONIC Overvi
ewofActive Di stance Assist
DISTRO NIC displa ysinthe instrument clus‐
ter The assis
tance graphic and thest atus display
show thest atus of thefo llowing functions in the
instrument clus ter:
R Active Dis tance Assi stDISTRONIC
R Route-based speed adap tation
R Active Steering Assist Driving and parking
175

Camera vie
wsinthe multimedia sy stem Normal view
1 Yellow lane marking the course the tires will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic)
3 Red guide line at a dis tance of appr oximately
1. 0 in (0.3 m) from there ar area
4 Orange warning display of Parking Assist
PA RKTRONIC: obstacles are a medium dis‐
ta nce away (between appr oximately 1.0 ft
(0.3 m) and 2.0 ft(0.6 m)) 5
Redwa rning display of Parking Assist
PA RKTRONIC: obstacles are very close
(appr oximately 1.0 ft (0.3 m) or less)
6 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles are at a dis tance of
between appr oximately 2.0 ft(0.6 m) and
3.3 ft(1.0 m)
% Ifth e entire sy stem fails, the inner segments
of thewa rning display are shown in red. The
indicator lamp on thePa rking Assist
PA RKTRONIC but ton lights up and theé
symbol appears in the multifunction displa y.
If th e sy stem fails at there ar, the display of
th e segments changes as follo ws:
R The rear segments are shown in red
when backing up.
R The rear segments are hidden when driv‐
ing forw ards.
When Active Parking Assist is active, the
lanes are displa yed in green.
If Pa rking Assist PARKTRONIC is deacti vated,
th ewa rning display fades out. Wi
de-angle view
Sy stem failure
If th ere is no operational readiness, thefo llowing
message appears in the multimedia sy stem: 18 6
Driving and pa rking

To
p view 1
Lane indicating thero ute theve hicle will
ta ke with thesteering wheel in its cur rent
position
2 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles at a dis tance of
appr oximately 3.3 ft(1.0 m) or less
3 Your vehicle from abo ve
If th e dis tance tothe object lessens, the color of
wa rning display 2changes. From a dis tance of
appr oximately 2.0 ft(0.6 m) thewa rning display
is shown in orange. From a dis tance of appr ox‐
imately 1.0 ft (0.3 m) thewa rning display is
shown in red. When
Parking Assist PARKTRONIC is operational
and no object is de tected, the segments of the
wa rning display are shown in gray.
% Ifth e entire sy stem fails, the segments of
th ewa rning display are shown in red. The
indicator lamp on thePA RKTRONIC but ton
lights up and theé symbol appears in
th e multifunction displa y.
If th e sy stem fails at there ar, the display of
th e segments changes as follo ws:
R The rear segments are shown in red
when backing up.
R The rear segments are hidden when driv‐
ing forw ards.
If Pa rking Assist PARKTRONIC is deacti vated,
th ewa rning display fades out. Guide lines 1
Yellow lane marking the course the tires will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic)
3 Red guide line at a dis tance of appr oximately
1. 0 in (0.3 m) from there ar area
4 Mark at a distance of appr ox. 3.3 ft(1.0 m)
% When Active Parking Assist is active, the
lanes are displa yed in green. 18 8
Driving and pa rking

Pa
rking with Active Parking Assist #
Press button 1.
The Active Parking Assist view appears on
th e multimedia sy stem displa y. #
Ifyo u ha vedriven past a suitable parking
space: bring theve hicle toast andstill.
Area 2displa ysdetected pa rking spaces
4 and vehicle path 3.
% Vehicle path 3shown on the multimedia
sy stem display may dif fer from the actual
ve hicle path. #
Select desired parking space 4. #
Where necessar y,select the parking direc‐
tion: forw ards or reve rse.
Ve hicle path 3is shown, depending on the
selected parking space and parking direc‐
tion. #
Confirm the selected parking space.
% The indicator is automatically switched on
when the parking procedure is star ted. When
th ege ar is changed to005B ,th e indicator is
automatically switched off. &
WARNING Risk of accident due tovehi‐
cle swinging out while parking or pulling
out of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas
of the oncoming lane.
This could cause youto collide wi thobjects
or other road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with
Ac tive Parking Assist. #
If,forex ample, thePlease Engage Reverse
Gear message appears in the multimedia sys‐ 19 2
Driving and pa rking

#
Ifth eve hicle has been par ked at right angles
to the direction of tra vel: in area 2, select
direction of tra vel3.
% The vehicle path shown on the multimedia
sy stem display may dif fer from the actual
ve hicle path. #
Confirm direction of exit3 todrive out of
th e parking space.
% The turn signal indicator is automatically
switched on when theex iting procedure is
st ar ted. &
WARNING Risk of accident due tovehi‐
cle swinging out while parking or pulling
out of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas
of the oncoming lane.
This could cause youto collide wi thobjects
or other road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with
Ac tive Parking Assist. #
If,forex ample, thePlease Engage Forward
Gear message appears in the multimedia sys‐
te m display: select the cor responding trans‐
mission position.
The vehicle mo ves out of the parking space.
The turn signal indicator is automatically
switched off. Example:
vehicles with 360° Camera
Af terth eex iting procedure has been comple ted,
th eParking Assist Finished, Take Control of
Vehicle message appears in the display of the
multimedia sy stem. A warning tone and displ ay
4 inthe multimedia sy stem prom ptyouto take
ove r control of theve hicle. You ha vetoacceler‐
ate, brake, steer and change gear yourself again.
Fu nction of Drive Away Assist
Drive AwayAssi stcan reduce the se verity of an
impact when pulling away. If an obs tacle is
de tected in the direction of tra vel,th eve hicle's
speed is briefly reduced toappr ox. 1 mph
(2 km/h). If a critical situation is de tected, the 194
Driving and pa rking

R
The attention le vel de term ined byATTENTION
ASSIS T.
If AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
System Suspended messageappears.
If a warning is given in the Instrument Displa y,
th e multimedia sy stem of fers to sear chfor a rest
area. You can select a rest area and start naviga‐
tion tothis rest area. This function can be activa‐
te d and deactivated in the multimedia sy stem.
If AT TENTION ASSIST is deactivated, the00D7
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored.
Sy stem limitations
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h (200 km/h) speed range. The functionality of
ATTENTION ASSIST is
re stricted, and warnings may be dela yed or not
occur at all in thefo llowing situations:
R Ifyo u ha vebeen driving for less than appr ox‐
imately 30 minutes.
R Ifth ero ad condition is poor (une venro ad
sur face or po tholes).
R Ifth ere is a strong side wind.
R Ifyo u adopt a sporty driving style (high cor‐
nering speeds or high rates of acceleration).
R Ifth eSt eering Assist function of Active Dis‐
ta nce Assi stDISTRONIC is acti ve.
R Ifth e time has been set incor rectly.
R In acti vedriving situations, if youch ange
lanes and vary your speed frequentl y.
The ATTENTION ASSIST tiredness or alertness
assessment is dele ted and restar ted when con‐
tinuing the journey in thefo llowing situations:
R Ifyo u swit choff the engine.
R Ifyo u unfas tenyo ur seat belt and open the
driver's door (e.g. changing drivers or taking
a break). Setting
ATTENTION ASSI ST
Multimedia sy stem:
, Vehicle .
k Assistance .
ATTEN-
TION ASSIST
Setting options #
Select Standard, SensitiveorOff.
Suggesting a rest area #
Select Suggest Rest Area. #
Activate 0073or deacti vate the function 0053.
If AT TENTION ASSIST de tects fatigue or
increasing la ckof attention, it suggests a
re st area in the vicinity. #
Select a sugges tedre st area: you are gui‐
ded tothe selected rest area. Driving and parking
197