2018 MERCEDES-BENZ S-CLASS SEDAN warning light

Active Di stance Assist DI STRONIC
Function of Active Di stance Assist
DI STRO NIC
Active Dis tance Assist DISTRONIC maintains the
set speed on free-flowing roads. If vehicles
ahead are de tected, the set dis tance is main‐
ta ined, if necessary until theve hicle comes toa
halt. The vehicle accelerates or brakes depend‐
ing on the dis tance totheve hicle in front and
th e set speed. Speed (in thera nge between
15 mp h(2 0 km/h) and 130mp h(210 km/h))
and the dis tance totheve hicle ahead are set
and sa ved on thesteering wheel. Other
features of Active Dis tance Assist
DISTRONIC:
RAd justs the driving style depending on the
selected drive program (fuel-saving, comfort‐
able or dynamic) (
→page 172)
RRe sponds in urban speed ranges tostation‐
ary vehicles (e xcept bicycles, mo torcyc les
and pedestrians) if conditions are suf ficient
to enable de tection.
RInitiates rapid acceleration tothestored
speed, if the turn signal indicator is switched
on tochange totheov ertak ing lane.
RTake s one-sided overtaking restrictions into
account on free ways or on multi-lane roads
with separate car riag ewa ys.
Ve hicles with Active Parking Assis t:ifth eve hicle
has been braked toast andstill on multi-lane,
separate car riag ewa ysby Active Dis tance Assist
DISTRONIC, it can au tomatically follow theve hi‐
cle in front driving off again, within 30 seconds.
If a crit

ical situation is de tected when driving off,
a visual and acoustic warning is given indicating
th at the driver must now take control of theve hi‐
cle. The vehicle is not accelerated any fur ther. Ac
tive Dis tance Assist DISTRONIC is only an aid.
The driver is responsible forth e dis tance tothe
ve hicle in front, forve hicle speed and for braking
in good time.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing ins tances, forex ample:
RIn snow ,ra in, fog, heavy spr ay, if there is
gl are, in direct sunlight or in greatly varying
ambient light.
RThe windshield in the area of the camera is
dirty, fogged up, damaged or co vered.
RIfth era dar sensors are dirty or co vered.
ROn slippery roads, braking or accelerating
can cause the drive wheels tolose traction
and theve hicle could then skid.
RIn parking garage s or on roads with steep
uphill or downhill gradients.
Do not use Active Dis tance Assist DISTRONIC in
th ese situations.
Driving and parking 19
9

Ifth e sy stem reaches a sy stem limitation or the
driver has not steered theve hicle for a consider‐
able period of time or has remo vedth eir hands
from thesteering wheel, the sy stem will,
depending on the situation, firs t alert the driver
with a visual warning. Display 1appears in the
multifunction displa y.Ifth e driver still does not
st eer theve hicle himself or herself, or still has
not take n hold of thesteering wheel, a repeated
wa rning tone sounds in addition tothe visual
wa rning message toremind the driver totake
control of theve hicle.
The warning message does not appear or disap‐
pears if one of thefo llowing conditions are me t:
RThe driversteers theve hicle.
RThe driver presses a steering wheel button or
operates Touch Control.
Ac tive Steering Assist is only an aid. The driver is
re sponsible forth e dis tance totheve hicle in
front, forve hicle speed, for braking in good time
and forst ay ing in lane. Before changing lanes,
th e driver must make sure that the neighboring
lane is free (glance over the shoulder).
Sy stem limitations
Ac tive Steering Assist has a limited steering tor‐
qu efo r lateral guidance. In some cases, the
st eering inter vention is not suff icienttokeep the
ve hicle in
the lan
e or todrive past exits. Active
St eering Assist cann otprov ide the driver with
st eering assis tance at traf fic circles, T-intersec‐
tions, intersections, tollst ations or turnings, for
ex ample.
The sy stem may be impaired or may not function
in thefo llowing ins tances:
RIn sno w,rain, fog, heavy spr ay, if there is
gl are or direct sunlight or if there are greatly
va rying ambient light or reflections, or strong
shado wsonthero ad.
RInsuf ficient road illumination.
RThe windshield in the area of the camera is
dirty, fogged up, damaged or co vered.
RAbsence of lane markings, or se veral unclear
lane markings, or if the markings change rap‐
idl y.
RThe dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
RThe road is nar rowand winding.
RObstacles on the lane or projecting out into
th e lane.
The sy stem does not pr ovide assis tance in the
fo llowing conditions:
ROn tight bends, traf fic circles and when turn‐
ing.
RIf yo u act ively change lane without switch ing
on the turn signal indicator.
Driving and parking 205

Settingtheve hicle le vel
&
WARNING Risk of accident because
ve hicle le vel is too high
If yo udriv e at a higher vehicle le vel,th e driv‐
ing characteristics may be impaired due to
th e higher vehicle center of gr avity.
The vehicle may tip over more quickly on a
bend, forex ample.
#Alw ays select as low a vehicle le vel as
possible and adapt your drivin gst yle
accordingl y.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, people could
become trapped if their limbs are between
th eve hicle body and the tires or underneath
th eve hicle.
#Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when youlowe rth e
ve hicle.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AIR BODY CONT ROL or
le ve l control sy stem: When you unload lug‐
ga ge or lea vetheve hicle, theve hicle firs t
ri ses slightly and then returns tothe set le vel
shortly af terw ards.
Yo u or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked.
#When leaving theve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody.
Re quirements:RThe vehicle has been star ted.
RThe vehicle must not be moving fasterthan
50 mph(8 0 km/h). Ra
ising theve hicle
#Press button 1.
Indicato r lamp2lights up.
The vehicle is raised by1 in (25 mm) com‐
pared tothe normal le vel.
Yo ur selection issave d.
Driving and parking 21
3

Observethe no tes on cleaning the multifunction
camera (→page 389).
Setting theve hicle le vel
&
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, people could
become trapped if their limbs are between
th eve hicle body and the tires or underneath
th eve hicle.
#Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when youlowe rth e
ve hicle.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AIR BODY CONT ROL or
le ve l control sy stem: When you unload lug‐
ga ge or lea vetheve hicle, theve hicle firs t
ri ses slightly and then returns tothe set le vel
shortly af terw ards.
You or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked.
#When leaving theve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody.
Re quirements:RThe vehicle has been star ted.
RThe vehicle must not be moving fasterthan
75 mph(120 km/h).
ROnly when lo weringtheve hicle: whenthe
ve hicle is stationar y,all the doors ha vetobe
closed. Ra
ising theve hicle
#Press button 1.
Indicato r lamp2lights up.
The vehicle is raised by1.2 in (30 mm) com‐
pared tothe normal le vel.
Yo ur selection issave d.
Driving and parking 217

Vehicles with Active Parking Assist without a 360°
Camera
Ve hicles with Active Parking Assist and a 360°
Camera
Sy stem limitations
Pa rking Assist PARKTRONI Cdoes no tnecessa‐
ri ly tak e into account thefo llowing obs tacles:
RObs tacles bel owthe de tection range, e.g.
pe rsons, animals or objects.
RObs tacles ab oveth e de tection range, e.g.
ov erhanging loads, overhangs or loading
ra mp s of truc ks.
The sensors must be free of dirt, ice and slush.
Otherwise, they may not function cor rectly.
Clean the sensors regularly, taking care not to
scratch or damage them.
Fu nction of the passive side impact pr otec‐
tion
Pa ssive side impact pr otection is an additional
Pa rking Assist PARKTRONI Cfunction whic h
wa rnsth e driver about obs tacles at the side of
th eve hicle. A warning is issued when obs tacles
are de tected between the front and rear de tec‐
tion range. In order for an object tobe de tected,
th e sensors in the front or rear bumper must
de tect the object while you are driving past it. During
the parking procedure or maneuvering,
objects are de tected as theve hicle drives past.
If yo usteer in the direction of a de tected obs ta‐
cle and there is a risk of a lateral collision, a
wa rning is issued. The lateral segments light up
oran

ge or red, depending on the dis tance tothe
obs tacle.
Segment color depending on distance Color Lateral distance in cm
Re dA pprox. < 30
Orang eA pprox. 30 - 60
In order for lateral front or rear segments tobe
displa yed, theve hicle must firs t tr ave l a dis tance
of at least half of theve hicle length. Once the
ve hicle has tr aveled the length of theve hicle, all
of the lateral front and rear segments can be dis‐
pla yed.
Driving and parking 21
9

5Redwa rning display of Parking Assist
PA RKTRONIC: obstacles ar eve ry close
(appr oximately 1.0 ft (0.3 m) or less)
6Ye llow warning display of Parking Assist
PA RKTRONIC: obstacles ar eat adis 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 RKTRONI Cbut ton lights up and theé
symbol appears in the multifunction displa y.
If th e sy stem fails at there ar of theve hicle:
RThe rear segments are shown in red
when backing up.
RThe 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 PARKTRONI Cis 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:
Sy stem limitations
The rear view camera will not function or will
only pa rtially function in thefo llowing situations:
RThe trunk lid is open.
RThere is heavy rain, snow or fog.
RThe ambient light is poor, e.g. at night.
RThe camera lens is obstructed, dirty or fog‐
ge d up. Obser vethe no tes on cleaning the
re ar view camera (
→page 389).
RThe camera or rear of your vehicle is dam‐
aged. In this case, ha vethe camera and its
position and setting checked at a qualified
specialist workshop.
The field of vision and other functions of there ar
view camera may be restricted due toadditional
accessori es onthere ar of theve hicle (e.g.
license plate brac ket or bicycle rack ).
% The contrast of the display may be impaired
by direct sunlight or by other light sources,
e.g. when driving out of a garage . In this
case, pay particular attention.
Driving and parking 223

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

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