2018 MERCEDES-BENZ S-CLASS COUPE brake light

Also,the speed is reduced if the turn signal to
ch ange lanes is switch ed on and one ofthefo l‐
lowing situations is de tected:
RTu rning off at intersections
ROn slowing-down lanes
ROn lanes adjacent toslowing-down lanes
The driver is responsible forch oosing theright
speed and observing other road users. This
applies in particular tointersections, traf fic cir‐
cles and sets of traf fic lights, as route-based
speed adap tation does not brake theve hicle toa
st andstill.
When route guidance isact ive, thefirs t speed
adjustment is car ried out automaticall y.Ifth e
turn signal indica tor is switched on, the selected
ro ute isconf irmed and fur ther speed adjustment
is activated.
Speed adjustment is canceled in thefo llowing
cases:
RIf th e turn signal indicator is switched off
before thero ute event.
RIfth e driver depresses the accelera tor or
brake pedal during the process. Sy
stem limitations
Ro ute-based speed adaptation does not take
ri ght of wayre gulations into account. The driver
is responsible for complying with road traf fic
re gulations and driving at a suitable speed.
In dif ficult conditions (e.g. unclear roads, nar row
lanes, wetro ad sur faces, snow or ice) or when
driving wi tha trailer, the speed adjustment made
by the sy stem may not alw
ays be suitable. In
th ese sit

uations the driver must inter vene
acco rdingly.
&
WARNING Risk of accident in spite of
ro ute-based speed adjustment
Ro ute-based speed adjustment might mal‐
function or betemp orarily una vailable in the
fo llowing situations:
RIf map data is not up todate or available
RIfyo udo not follow the selected route
guidance
RIf th e set route isre-planned
RIn road con stru ction areas
RWhen towing a trailer
RIn bad weather or road conditions
RIfth e accelera tor pedal is depressed
#Ad just the speed tothe traf fic situation.
Setting route-based speed adjustment
Re quirements:RActive Dis tance Assist DISTRONIC is acti va‐
te d.
Multimedia sy stem:
,Vehicle.k Assistance.Speed
Adjustment
#Select DYNAMIC SELECT Op. orOff.
Driving and parking 16
7

Ifth 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 Change Assistcannot 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.
&
WARNING Risk of accident if Lane
Change Assist unexpectedlystops 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 .
#Always monitor the lane change and
ke ep your hands onthesteering wheel.
Obser vethe tra ffic conditions and steer
and/or brake if necessar y.
System limitations
The sy stem limitations of Active Steering Assist
apply toActive Lane Change Assi st
(
→page 168).
Ac tivating/deactivating Active Lane Change
Assi st
Multimedia sy stem:
,Vehicle.k Assistance
#Select Lane Change Assist .
#Activate Oor deacti vate ª the function.
Fu nction of Active Eme rgency Stop Assist
If th e driver continues toigno rethere peated
acoustic warning toput their hands on thesteer‐
ing wheel, Active Dis tance Assist DISTRONIC
re duces the speed. If the driver still does not
re spond, theBeginning Emergency Stop mes‐sage is shown in
the multifunction displa y.The
ve hicle 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:
RThe vehicle is secured with the electric park‐
ing brake.
RAc tive Dis tance Assist DISTRONIC is ended.
RThevehicle is unloc ked.
RIf 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:
RSt eering
RDepressing the brake or accelera tor pedal
RPressing a steering wheel button or operat‐
ing Touch Control
RAc tivating or deacti vating Active Dis tance
Assist DISTRONIC
Driving and pa rking 17
1

3Active Dis tance Assist DISTRONIC acti ve,
speed stored, no vehicle de tected (gr ayvehi‐
cle symbol)
4Ac tive Dis tance Assist DISTRONIC acti ve,
speed stored, vehicle de tected (green vehi‐
cle symbol)
5Ac tive Dis tance Assist DISTRONIC and route-
based speed adap tation acti ve, speed stored
% On highw ays or high-speed major roads, the
green çvehicle symbol is displa yed cycli‐
cally when theve hicle is ready topull away.
Speedome ter
The stored speed is highlighted on the speedom‐
et er. If the speed of theve hicle ahead or the
speed adjustment is less than thestored speed
due tothero ute event ahead, the segments in
th e speedome ter light up. Activation or deacti va‐
tion of Active Dis tance Assist DISTRONIC, as
we ll as alterations in thestored speed and the
dis tance tobe maintained, are displa yed in the
individual control feedback of the multifunction
displa y. Ac
tive Steering Assist status display
1Gr ay steering wheel: Active Steering Assist
switched on and passive
2Green steering wheel: Active Steering Assist
switched on and active
3Ye llow steering wheel flashing: transition
from active topassive status (sy stem limita‐
tion de tected or prom pttothe driver to
actively con firm )
During the transition from the active topassive
st atus, symbol 3is shown as enlar ged and
fl ashes yello w. Once the sy stem is passive, sym‐
bol 1is shown as gr ayinthe multifunction dis‐
pla y.
Information on Hill Start Assist
Hill Start Assist holds theve hicle for a short
time when pulling away on a hill under thefo l‐
lowing conditions:
RThe transmission is in position hork.
RThe elect ric park ing brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelera tor pedal
and depress it before theve hicle begins toroll.
&
WARNING Risk of accident and injury
caused bytheve hicle rolling away
Af ter a short time, Hill Start Assist no longe r
holds theve hicle and it can rollaw ay.
#Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist.
Driving and parking 17
3

RVehicles approaching and overtaking you
at a very differe nt speed.
As a result, Active Blind Spot Assi stmay nei‐
th er give warnings nor inter vene in such sit‐
uations.
#Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle.
Ac tive Blind Spot Assi stis only an aid. It may fail
to detect some vehicles and is not a substitute
fo r attentive driving. Alw ays ensure that there is
suf ficient dist ancetothe side forot her road
users and obs tacles.
If a cours e-correcting brake application occurs,
th ere dwa rning lamp flashes in the outside mir‐
ro r and a warning tone sounds. In addition, a dis‐
pl ay 1 indicating the danger of a side collision
appears in the multifunction displa y.
In rare cases, the sy stem may make an inappro‐
priate brake application. This brake application
may be inter rupte d at any time if yousteer
slightly in the opposite direction or accelera te.
Sy stem limitations
Either a course-cor recting brake application
appropria teto the driving situation, or none at
all, may occur in thefo llowing situations:
RVe hicles or obs tacles, e.g. crash barr iers, are
located on bo thsides of your vehicle.
RAve hicle approaches too closely on the side.
RYo u ha veadop ted a sporty driving style with
high cornering speeds.
RYo ubr ake or accelerate signif icantly.
RA driving safe ty system inter venes, e.g. ESP®
or Active Brake Assi st.
RESP®is deacti vated.
RA loss of tire pressure or a defective tire is
de tected.
Ac tivating or deactivating Blind Spot Assi st
or Active Blind Spot Assi st
Multimedia sy stem:
,Vehicle.k Assistance.Blind
Spot Assist
#Ac tivate Oor deacti vate ª the function.
200
Driving and parking

System 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.
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. near roadwor ks.
RThe lane markings are worn, dark or co vered.
RThe dis tance 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 roadw ayisvery 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 de tected, no lane-cor‐
re cting brake application occurs .Ac
tivating Active Lane Keeping Assist
&
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.
#Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application.
&
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.
202 Driving and parking

#Always make sure that there is suf fi‐
cient dist ancetothe side forot her traf‐
fi c or obs tacles.
&
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
#Alw ays pay particular attention tothe
traf fic situation and keep within the
lane, especially if Active Lane Keeping
Assist alerts you.
Re quirements
The driving speed is at least 40 mph (60 km/h).
#Press button 2.
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:
,Vehicle.k Assistance.Act.
Lane Keep. Assist
#Select a setting.
Driving and parking 203

Menus and submenus
Functions in the Service menu of the on-
board compu ter
On-board computer:
,Service
#To select the function: swipe upwards or
down wards on the left-hand Touch Control.
#Press the left-hand Touch Control.
Fu nctions in theService menu:
RMessage memory (→page 403)
RTires:
-Checking the tire pressure with the tire
pressure monitoring sy stem
(
→page 367)
-Re starting the tire pressure monitoring
sy stem (→page 368)
RASSYST PLUS : calling upthe service due
date (→page 323)
Calling up the Assistance graphic display
On-board computer:
,DriveAssist
% When you ha veset thest yle to Progressive,
yo u can view the assis tance graphic menu
contents in the left-hand portion of the
instrument displa y.
The following displa ysare available from the
Assist ance graphic menu:
RAssistance graphic
RAt tention le vel (→page 191)
#To switch between the displa ys:swipe
up wa rds or down wards on the left-hand
To uch Control.
Status displa ysinthe Assis tance graphic:
Ré: ATTENTION ASSIST deactivated
Ræ: Active Brake Assi stdeactivated
RLight lane markings: Active Lane Keeping
Assist activated
RGreen lane markings: Active Lane Keeping
Assist active
208 Instrument Display and on-board computer

Notes on paintwo rk/matt finish paintwork care
Observethefo llowing information:
Cleaning and car eA voiding paintwork damage
Pa intwork
RInsect remains: soak with insect remo ver and rinse off the
trea ted areas af terw ards.
RBird droppings: soak with water and rinse off af terw ards.
RCoolant, brake fluid, tree resins, oils, fuel and greases:
re mo veby gently rubbing with a clo thsoaked in petroleum
et her or lighter fluid.
RTa rst ains: use tarre mo ver.
RWa x: use silicone remo ver.
RDo not attach sticke rs,fi lms or similar.
RRe mo vedirt immediatel y,where possible.
Matt finish
ROnly use care products appr oved byMercedes-Benz.RDo not polish theve hicle and light-alloy wheels.
ROnly use car washes that cor respond tothe latest engi‐
neering standards.
RDo not use car wash programs with a final hot wax treat‐
ment.
RDo not use paint cleane rs, buf fing or polishing products,
gl oss preser vers, e.g. wax.
RAlw ays ha vepaintwork repairs car ried out at a qualified
specialist workshop.
332
Maintenance and care