light MERCEDES-BENZ S CLASS 2018 User Guide

PA SSENGER AIR BA G indicator lamp
Sy st em self- te st
When th e ignition is switched on, a sy st em self-
te st is per fo rm ed during which th e two
PA SSENGER AIR BA G ON and OFF indicator
lamps light up simultaneousl y. The st atus of th e front passenger air bag is dis‐
pla ye d af te r th e sy st em self-tes t:R
PA SSENGER AIR BA G ON lights up fo r
60 seconds, subsequently bo th PA SSENGER
AIR BA G ON and OFF indicator lamps are off:
th e front passenger air bag is able to deploy
in th e eve nt of an accident. R
PA SSENGER AIR BA G OFF lights up continu‐
ously: th e front passenger air bag is deactiva‐
te d. It will th en not be deplo ye d in th e eve nt
of an accident.
If th e PA SSENGER AIR BA G ON indicator lamp is
off, on ly th e PA SSENGER AIR BA G OFF indicator
lamp sho ws th e st atus of th e front passenger air
bag. The PA SSENGER AIR BA G OFF indicator
lamp may be lit continuously or be off.
If th e PA SSENGER AIR BA G OFF indicator lamp
and th e u re st ra int sy st em wa rn ing lamp
light up simultaneousl y, th e front passenger seat
may not be used. Also in th is case, do not ins ta ll
a ch ild re st ra int sy st em on th e front passenger
seat. Ha ve th e automatic front passenger air bag
shutoff ch ec ke d and re paired immediately at a
qu alified specialist wo rk shop. St atus display
If th e front passenger seat is occupied, ensure,
bo th before and durin g th e
journe y, th at th e st a‐
tus of th e front passenger air bag is cor re ct fo r
th e pr eva iling situation.
Af te r in st alling a re ar wa rd -facing ch ild
re st ra int sy st em on th e front passenger
seat: PA SSENGER AIR BA G OFF must be lit con‐
tinuousl y.
q
WA RNING Risk of inju ry or death from
using a re ar wa rd -facing ch ild re st ra int
sy st em when th e front passenger air bag
is enabled
If yo u secure a ch ild in a re ar wa rd -facing
ch ild re st ra int sy st em on th e front passenger
seat and th e PA SSENGER AIR BA G OFF indi‐
cator lamp is off, th e front passenger air bag
can deploy in th e ev ent of an accident.
The ch ild could be st ru ck by th e air bag.
Alw ay s ensure th at th e front passenger air
bag is disabled. The PA SSENGER AIR BA G
OFF indicator lamp must be lit. Occupant saf et y 43

should not use th e front passenger seat.
Ins te ad, th ey should use a re ar seat.R
If th e front passenger seat is occupied with a
person of smaller st ature (e.g. a te enager or
small adult), th e PA SSENGER AIR BA G OFF
indicator lamp either lights up continuously
or re mains out, depending on th e re sult of
th e classification: -
PA SSENGER AIRB AG OFF is off: mo ve th e
front passenger seat as fa r back as possi‐
ble or a person of smaller st ature should
use a re ar seat.-
If th e PA SSENGER AIRB AG OFF indicator
lamp is lit continuously: a person of
smaller st ature should not use th e front
passenger seat.
q
WA RNING Risk of inju ry or death when
th e PA SSENGER AIR BA G OFF indicator
lamp is lit
If th e PA SSENGER AIR BA G OFF indicator
lamp re mains lit af te r th e sy st em self-test,
th e front passenger air bag is deactivated. It
will not be deplo ye d in th e ev ent of an acci‐ dent. In th is case, th e front passenger air bag
cann ot per fo rm its intended pr ot ective func‐
tion, e.g. when a person is seated in th e front
passenger seat.
That person could, fo r ex ample, come into
con ta ct wi th th e ve hicle interior, especially if
th e person is sitting to o close to th e cockpit.
If th e front passenger seat is occupied,
alw ay s ensure th at: R
The classification of th e person in th e
front passenger seat is cor re ct and th e
front passenger air bag is enabled or
deactivated in accordance with th e per‐
son in th e front passenger seat. R
The person is seated proper ly with a cor‐
re ctly fast ened seat belt. R
The front passenger seat has been mo ve d
as fa r back as possible.
Fu rt her re lated subjects: R
Child re st ra int sy st em on th e front passenger
seat ( →
page 53). PRE-SAFE ®
sy st em
Information on PRE- SA FE ®
(anticipa to ry
occupant pr ot ection)
PRE- SA FE ®
is able to de te ct cer ta in critical driv‐
ing situations and implement pre-em pt ive meas‐
ures to pr ot ect th e ve hicle occupants.
PRE-SAFE ®
can implement th e fo llowing meas‐
ures independently of each ot her: R
Ti ghtening th e seat belts on th e driver's seat
and front passenger seat. R
Closing th e side windo ws . R
Ve hicles with sliding sunroof: Closing th e
sliding sunroof. R
Ve hicles with memory function: Moving
th e front passenger seat to a more fa vo ra ble
seat position. R
Ve hicles with memory function in th e
re ar passenger co mp artment: moving th e
outer re ar seats to a more fa vo ra ble seat
position. Occupant saf et y 45

q
WA RNING Risk of becoming trapped
despi te re ve rs ing pr ot ection on th e side
window
The re ve rs ing function does not re act:R
to soft, light and th in objects, e.g. small
fi ngers. R
ove r th e last

Problem
Po ssible causes/consequences and P Solutions
If a side window is obstructed again during closing and re opens again slightly:

By pushing or pulling th e W button, yo u can
inter ru pt th e automatic functions: "Rain closing
function when driving" and "Automatic lo we ri ng
fe ature".
Ra in closing function when driving
The ra ised sliding sunroof automatically lo we rs
when driving if it st arts to ra in.
Au to matic lo weri ng fe ature
If th e sliding sunroof is ra ised at th e re ar, it auto‐
matically lo we rs slightly at higher speeds. At low
speeds, it is ra ised again automaticall y.
q
WA RNING Risk of entrapment by auto‐
matic lo we ri ng of th e sliding sunroof
At high speeds th e ra ised sliding sunroof
automatically lo we rs slightly at th e re ar.
This could trap yo u or ot her persons.

Using th e cigar et te lighter in th e front center
console
q
WA RNING ‑ Risk of fi re and injury from
hot cigar et te lighter
Yo u can burn yo urself if yo u to uch th e hot
heating element or th e soc ke t of th e ciga‐
re tte lighter.
In addition, fl ammable materials may ignite
if: R
yo u dr op th e hot cigar et te lighterR
a ch ild holds th e hot cigar et te lighter to
objects, fo r ex ample

Exterior lighting
Lighting sy st ems and yo ur re sponsibility
The va ri ous lighting sy st ems of th e ve hicle are
only aids. The driver of th e ve hicle is re sponsible
fo r cor re ct ve hicle illumination in accordance
with th e pr eva iling light and visibility conditions,
legal requ irements and traf fi c situation. Light switch
Ope ra ting the light switch

The ex te ri or lighting (e xc ept parking and st and‐
ing lamps) swit ch es off automatically when th e
driver's door is opened. R
Obser ve th e no te s on sur ro und lighting
( →
page 14 7).
Au to matic driving lights
The pa rk ing lights, low beam and daytime ru n‐
ning la mp s are switched on automatically
depending on th e ignition st atus, whe th er th e
engine is ru nning and on th e ambient light.
q
WA RNING Risk of accident when th e low
beam is switched off in poor visibility
When th e light switch is set to X , th e low
beam may not be switched on automatically
if th ere is fo g, snow or ot her causes of poor
visibility such as spr ay .

Cornering light
Cornering light function
Cornering light impr ove s th e illumination of th e
ro ad ove r a wide angle in th e turning direction,
enabling better visibility in tight bends, fo r ex am‐
ple. It can on ly be activated when low beam is
swit ch ed on.
The function is active: R
At speeds below 25 mp h (40 km/h) when
th e turn signal light is switched on or th e
st eering wheel is turned. R
At speeds between 25 mp h (40 km/h) and
45 mp h (70 km/h) when th e st eering wheel
is turned.
Tr af fi c circle and intersection function: th e
cornering light is acti va te d on bo th sides th ro ugh
an ev aluation of th e cur re nt GPS position of th e
ve hicle. It re mains active until af te r th e ve hicle
has left th e traf fi c circle or th e intersection.
Ad aptive Highbeam Assist
Fu nction of Ad aptive Highbeam Assist
q
WA RNING Risk of accident despi te
Ad aptive Highbeam Assist
Ad aptive Highbeam Assist does not re cog‐
nize th e fo llowing ro ad users:R
Ro ad users without lights, e.g. pedes‐
trians R
Ro ad users with poor lighting, e.g.
cyclists R
Ro ad users whose lighting is obstructed,
e.g. by a bar ri er On ve ry ra re occasions, Ad aptive Highbeam
Assist may fa il to re cognize ot her ro ad users
with th eir ow n lighting, or may re cognize
th em to o late.
In th ese or similar situations, th e automatic
high beam is not deactivated or is activated
despite th e presence of ot her ro ad users.

Ad aptive Highbeam Assist swit ch es automati‐
cally between: R
Low beam R
High beam
At speeds abo ve 19 mp h (30 km/h):R
If no ot her ro ad users are de te cted, high
beam is au to matical ly switched on. High beam switches off automatically: R
At speeds below 16 mp h (2 5 km/h).R
If ot her ro ad users are de te cted.R
If st re et lighting is suf fi cient.
At speeds abo ve appr ox . 31 mp h (50 km/h):R
The headla mp ra nge of low beam is re gulated
automatically based on th e dis ta nce to ot her
ro ad users.
The sy st em's optical sensor is located behind
th e windshield near th e ove rh ead control panel.
Switching Ad aptive Highbeam Assist on/off