2018 MERCEDES-BENZ S-CLASS SEDAN Owner's Manual

symbol appearsonthe camera image of the mul‐
timedia sy stem.
&
WARNING Risk of accident caused by
limited de tection per form ance of Drive
Aw ayAssist
Drive AwayAssist cannot al ways clearly iden‐
tify objects and traf fic situations.
In such cases, Drive AwayAssist might:
RWarnyouwit hout reason and limit the
ve hicle speed.
RNot warnyou or not limittheve hicle
speed.
#Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Driv eAw ay
Assist alone.
#Be prepared tobrake or swer veas nec‐
essar y,prov ided the tra ffic situation
permits and that it is safe totake eva‐
sive action.
Drive AwayAssist is only an aid. It is not a sub‐
st itute foryo ur attention tothe sur roundings. Yo
u are alw aysre sponsible for safe maneu ver‐
ing, parking and exiting a parking space. Make
sure that no persons, animals or objects etc. are
in the maneuvering range.
A risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
RIfth e driver mixes up the accelera tor and
brake pedals.
RIf th e wrong gear is selecte d.
The Drive AwayAssist function is active under
th efo llowing conditions:
RIf Pa rking Assist PARKTRONI Cis activated.
REver ytime thege ar is changed tok orh
when theve hicle is at a standstill.
RIf th e de tected obs tacle is less than appr ox.
3.3 ft(1.0 m) away.
RIfth e maneuvering assis tance function is
acti vated in the multimedia sy stem.
Sy stem limitations
Drive AwayAssist is notavailable on inclines. Fu
nction of Cross Traf fic Alert
% Also read the instructions on Blind Spot
Assist (
→page 238).
Ve hicles with Blind Spot Assis t:Dr ivers can
also be warned of any crossing traf fic when
back ing up out of a parking space. If a critical
situation is de tected, a warning symbol appears
on the camera image of the multimedia sy stem.
If th e driver does n

ot respond tothewa rning,
th eve hicle's brakes can be applied automati‐
cally. Todo this, the function uses thera dar sen‐
sors in the bumper. The area adjacent tothe
ve hicle is continually monitored.
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible.
The Cross Traf fic Alert function is acti veunder
th efo llowing conditions:
RIf Blind Spot Assist is activated.
RIf th eve hicle is backing up at walking pace.
RIfth e maneuvering assis tance function is
acti vated in the multimedia sy stem.
The Cross Traf fic Alert function is not available
on inclines.
Driving and parking 231

Deactivating/activating maneuvering assis‐
tance
Multimedia sy stem:
,9HKLFOH.k $VVLVWDQFH.&DPHUD
3DUNLQJ.0DQHXYHULQJ $VVLVW
#Switch the function on Oor off ª.
ATTENTION ASSIST
Fu nction of ATTENTION ASSIST
AT TENTION ASSIST assists you on long, mon oto‐
nous journe ys, e.g. on free ways and trunk roads.
If AT TENTION ASSIST de tects indicators of fati‐
gue or increasing lapses in concentration on the
part of the driver, it suggests taking a brea k.
AT TENTION ASSIST is only an aid. It cann ot
alw ays de tect fatigue or lapses in concentration
until too late. The sy stem is not a substitute for a
we ll-res ted and attentive driver. On long jour‐
ne ys,tak ere gular breaks in good time that allow
fo r ade quate recuperation.
Yo u can choose between two settings.
RStandard: normal sy stem sensitivity.
RSensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d according ly.
If dr owsiness or increasing lapses in concentra‐
tion are de tected, the$77(17,21 $66,67 7DNH
D %UHDN warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
tak e a break where necessar y.Ifyo udo not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes.You can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
RThe length of the journey since the last
break.
RThe 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
6\VWHP 6XVSHQGHG 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, theé
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.
232
Driving and parking

System limitations
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h(2 00 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:
RIf yo u ha vebeen driving for less than 30
minutes.
RIf th ero ad condition is poor (une venro ad
sur face or po tholes).
RIfth ere is a strong side wind.
RIfyo u adopt a sporty drivingst yle (high cor‐
nering speeds or high rates of acceleration).
RIfth eSt eering Assist function of Active Dis‐
ta nce Assist DISTRONIC is acti ve.
RIfth e time has been set incor rectly.
RIn 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:
RIf yo uswit choff the engine.
RIfyo u unfas tenyo ur seat belt and open the
driver's door (e.g. change drivers or take a
break).
Setting ATTENTION ASSIST
Multimedia sy stem:
,9HKLFOH.k $VVLVWDQFH.$77(1
7,21 $66,67
Setting options
#Select 6WDQGDUG, 6HQVLWLYHor2II.
Suggesting a rest area
#Select 6XJJHVW 5HVW $UHD .
#Activate Oor deacti vate the function ª.
If AT TENTION ASSIST de tects fatigue or
increasing la ckof attention, it suggests a
re st area in the vicinity.
#Selecting a sugges tedre st area.
Yo u are guided tothe selected rest area.
Traf fic Sign Assist
Fu nction of Traf fic Sign Assist
Tr af fic Sign Assist detects traf fic signs wi thmul‐
tifunction camera 1and assist syo uby display‐
ing de tected speed limits and overtaking restric‐
tions in the instrument clus ter.The camera also
de tects traf fic signs wi thare striction indicated
by an additional sign (e.g. in wet conditions).
Driving and pa rking 233

Warning when the maximum permissible
speed is exceeded
The sy stem can warnyouif yo u unin tentional ly
exc eed the maximum permissible speed. Todo
th is, you can specify inthe multimedia sy stem
by how much the maximum permissible speed
can be exceeded before a warning is issued. You
can specify whe ther thewa rning is tobe just a
visual warning or an acoustic one as well. If the
automatic speed accep tance forAc tive Dis tance
Assist DISTRONIC is acti vated, thewa rnings are
suppressed. Display in
the Instrument Display
1Pe rm issible speed
2Perm issible speed when there is a restriction
3Ad ditional sign with restriction
% Display of speed restriction signs has priority
ove rot her recognized traf fic signs, e.g. over‐
ta king restriction signs.
Since Traf fic Sign Assist also usesthe data
st ored in the navigation sy stem, it can update
th e display in thefo llowing situations without
de tecting traf fic signs:
RWhen theve hicle changes roads, e.g. free‐
wa yex it or slip road.
RWhen a village or city boundary is passed
which is stored in the digital map.
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:
RThere is poor visibility, e.g. duetoinsuf ficient
illumination of thero ad, highly variable shade
conditions, or due torain, sno w,fog or heavy
spr ay.
234
Driving and parking

RIfth ere is glare, e.g. from oncoming traf fic,
dire ct sunlight or reflections.
RThere is dirt on the windshield in the vicinity
of the multifunction camera or the camera is
fo gged up, damaged or obscured.
RIf th e traf fic 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. tra ffic signs
on con stru ction sites or in adjacent lanes.
Setting Traf fic Sign Assist
Multimedia sy stem:
,9HKLFOH.k $VVLVWDQFH.7UDIILF
6LJQ $VVLVW
Ac tivating /deacti vating automatic adoption
of speed limits
Re quirements:
RAc tive Dis tance Assist DISTRONIC is acti va‐
te d.
#Select /LPLW $GRSWLRQ .
#Activate Oor deacti vate ª 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
#Select 'LVSOD\ LQ &20$1'.
#Activate Oor deacti vate ª the function.
Ac tivating/deactivating the warning when a
speed limit is exceeded
The point at which a warning is given once a
speed is exceeded (warning thre shold) can be
set according toindividual preferences.
#Select 6SHHG /LPLW :DUQLQJ.
#Select9LVXDO $XGLEOH ,9LVXDO or1RQH.
Setting the speed
#Select :DUQLQJ 7KUHVKROG.
#Setthe desired speed.
Night View Assist
Function of Night View Assist
With th e aid of camera 2, NightView Assist
helps youto recognize the course of thero ad or
obs tacles in the dar k.The multifunction display
th en sho wsa monochrome image of the sur‐
ro unding area infront of theve hicle. Infrared
Driving and parking 235

camera1 helps de tect pedestrians and ani‐
mals.
% As infrared light is not visible tothe human
ey e, Night View Assist canremain activated
when there is oncoming traf fic.
The infrared headlamps switch on in the
dark from speeds of appr oximately 5 mph
(10 km/h). This means that, while station‐
ar y, yo udo not ha vethe full visual range and
cannot check whe ther Night View Assist is
wo rking.
Sy stem limitations
Night View Assist cannot displ ayobjects directly
in front of or directly next totheve hicle. It may
be the case that objects are highlighted as well
as pedestrians or animals.
The sy stem may be impaired or may not function
in thefo llowing ins tances:
RPo or visibility, e.g. sno w,rain, fog or spr ay.
RThe windshield is dirty in the vicinity of the
came ra.
RThe camera is fogged up, damaged or cov‐
ered.
RThe infrared camera in thera diator grill is
damaged, dirty, fogged up or co vered.
ROn bends, on hilltops or in dips.
RAt high ambient temp eratures.
Pe destrian and animal de tection byNight
Vi ew Assist
Night View Assist can de tect pedestrians using
typical characteristics, e.g. the body conto urs
and posture of a person standing upright.
Lar geanimals, such as deer, co wsor horses can
also be de
tecte
d. Small animals such as dogs or
cats are not de tected.
Pe destrian and animal de tection is au tomatical ly
switched on when thefo llowing requ irements
are fulfilled:
RNight View Assist is activated.
RThe driving speed is at least 5 mph
(10 km/h).
RIt is dar k.
1NightView Assist display
2Standby symbol for active pedest rian de tec‐
tion
3Highlighting
4Pe destrian de tected
If pedestrian de tection is acti ve,st andby symbol
2 appears. There is no separate symbol for ani‐
mals. De tected pedestrians or animals are high‐
lighted bya color frame.
Ac tivating or deactivating Night View Assist
Re quirements:
RThe vehicle has been star ted or the ignition
is switched on.
236 Driving and parking

RThe light switch is intheà orL posi‐
tion.
RRe versege ar has not been engaged.
#Press button 1.
The appropriate Night View Assist display
appears in the multifunction displa y.
% The infrared headlamps are deactivated at
speeds below 3 mph(5 km/h). The Night Vi
ew image continues tobe displa yed until
yo uswit chit off bypressing button 1.
Switching automatic activation on/off
Re quirements:
RPedestrian de tection is acti ve(→page 236).
RThe car riag ew ay is not lit.
RThe speed is at least 37mph (60 km/h).
If all therequ irements are fulfilled, the night
vision image is automatically shown in the multi‐
function display as soon as people or animals
are de tected.
Multimedia sy stem:
,9HKLFOH.k $VVLVWDQFH.$XW
1LJKW 9LHZ $VVLVW
#Ac tivate Oor deacti vate ª the function.
Spotlight function
The spotlight function is an additional function
fo r Night View Assist . Itruns in the bac kground
and flashes the headlamps at de tected persons
wi th four short impulses. This att racts the driv‐
er's attention toapproaching pedestrians. Displ
ayinthe assistance graphic1Spotlight function switched on but not oper‐
ating
2Spotlight function switched on and operating
The pedestrian symbol in the assis tance graphic
indica testh est atus of the spotlight function. If
th e pedestrian symbol is displa yed dark 1,the
function is switched on. If the symbol is dis‐
Driving and parking 237

played bright 2,the conditions forth e Spotlight
function are also fulfilled.
Sy stem limitations
The spotlight function does not flash at animals.
The spotlight function is not active or is active
only toa limited extent if:
RYo u are drivingin city traf fic.
RThe pedestrians are loca ted in the area of an
oncoming vehicle or a vehicle in front.
Ac tivating/deactivating the spotlight func‐
tion
Re quirements:
RPedestrian de tection is acti ve(→page 236).
RThe car riag ewa yis no tlit .
RThe speed is at leas t37 mph(6 0 km/h).
RAd aptive Highbeam Assist Plus is switch ed
on.
If all there qu irements are fulfilled, the headlamp
fl ashes four short pulses at a pedestrian de tec‐
te d on or near tothero ad. Multimedia sy
stem:
,9HKLFOH.÷./LJKW 6HW
WLQJV.6SRWOLJKW
#Switch the function on Oor off ª.
Blind Spot Assist and Active 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 you switch on
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.
& 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.
#Alw 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.
238
Driving and park ing