2018 MERCEDES-BENZ S CLASS belt

When activated, an air bag can pr ov ide addi‐
tional pr ot ection fo r the re spective ve hicle
occupant.
AIR BA GP ot ential pr ot ection fo r
…
Knee air bag Thigh, knee and lo we r leg
Driver's air bag,
front passenger
air bag Head and ri bcage
Wi ndow air ba gH ead
Side air bag Ribcage, also pelvis fo r
front seat occupants
The front-passenger air bag can be depl oy ed in
an accident only if th e PA SSENGER AIR BA G OFF
indicator lamp is off. If th e front passenger seat
is occupied, make sure, bo th before and during
th e journe y, th at th e st atus of th e front
passenger air bag is cor re ct ( →
pa ge 43). u NO TE Impo rt ant points to re member if
th e front passenger seat is unoccupied
In an accident, th e components of th e
re st ra int sy st em may deploy unnecessarily
on th e front passenger side if: R
There are heavy objects on th e front
passenger seat. R
The seat belt to ngue is engaged in th e
seat belt buckle of th e front passenger
seat and th e front passenger seat is
unoccupied.

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

R
Ve hicles with multicontour seat: Increas‐
ing th e air pressure in th e seat side bols te rs
of th e seat backrest.R
Ve hicles with re ar seat belt buckle
ex te nders: tightening seat belts on th e outer
re ar seats.R
PRE- SA FE ®
Sound: Pr ov ided th at th e multi‐
media sy st em is switched on, ge nerates a
brief noise signal to st imulate th e innate pro‐
te ctive mechanism of a person's hea ri ng.
u NO TE Dama ge caused by objects in th e
fo ot we ll or behind th e seat
The automatic adjustment of th e seat posi‐
tion may re sult in damage to th e seat and/or
th e object.

To impr ove pr ot ection fo r ch ildren yo unger th an
12 ye ars old or under 5 ft (1.50 m) in height,
Mercedes-Benz re commends yo u obse rv e th e
fo llowing information: R
Only secure ch ildren using a ch ild re st ra int
sy st em which is suitable and re commended
fo r Mercedes-Benz ve hicles, as we ll as appro‐
priate to th e height, age and we ight of th e
ch ild. Be sure to obser ve th e instructions fo r
cor re ct use of th e ch ild re st ra int sy st em.R
Alw ay s ins ta ll a ch ild re st ra int sy st em on a
re ar seat if possible.R
On ly use th e fo llowing securing sy st ems fo r
ch ild re st ra int sy st ems:-
th e seat belt sy st em-
th e LA TC H-type (ISOFIX) mounting brack‐
et s-
th e To p Te th er anchoragesR
The manufacturer's ins ta llation instructions
fo r th e ch ild re st ra int sy st em.R
The wa rn ing labels in th e ve hicle interior and
on th e ch ild re st ra int sy st em. q
WA RNING Risk of inju ry or death caused
by incor re ct ins ta llation of th e ch ild
re st ra int sy st em
If th e ch ild re st ra int sy st em is incor re ctly
ins ta lled on a suitable seating position, it
cannot per fo rm its intended pr ot ective func‐
tion.
The ch ild cannot be re st ra ined in th e eve nt of
an accident, heavy braking or a sudden
ch ange of direction.

Ac tivating/deactivating the ch ild seat saf et y
fe ature of th e seat belt
q
WA RNING Risk of inju ry or death if a
seat belt is unfas te ned while th e ve hicle
is in motion
If th e seat belt is re leased while th e ve hicle is
in motion, th e ch ild re st ra int sy st em is no
longer cor re ctly secu re d. The ch ild seat
saf et y fe ature is deactivated and th e seat
belt is dr aw n in a bit by th e inertia re el.
It is th erefore not possible to engage th e seat
belt again.

When ins ta lling a ch ild re st ra int sy st em, be sure
to obser ve th e manufacturer's ins ta llation
instructions and th e instructions fo r cor re ct use
of th e ch ild re st ra int sy st em.
ISOFIX is a st andardized securing sy st em fo r
specially designed re st ra int sy st ems. LA TC H-
type (ISOFIX) ch ild re st ra int sy st ems are
appr ove d in accordance with ECE R44.
Only ch ild re st ra int sy st ems th at ha ve been
appr ove d in accordance with ECE R44 may be
attached to LA TC H-type (ISOFIX) mounting
brac ke ts.
Symbol fo r ins ta lling a LA TC H-type (ISOFIX)
ch ild re st ra int sy st em Installing LA TC H-type (ISOFIX) ch ild seat
securing sy st ems
q
WA RNING Risk of inju ry or fa ta l injury if
th e ch ild secured we ighs more th an th e
permissible we ight fo r th e LA TC H-type
(ISOFIX) ch ild re st ra int sy st em
LA TC H-type (ISOFIX) ch ild re st ra int sy st ems
do not of fe r suf fi cient pr ot ection fo r ch ildren
we ighing more th an 65 lbs (29 kg ) to ge th er
with th e ch ild re st ra int sy st em, who are
secured using th e seat belt integrated in th e
ch ild re st ra int sy st em. Fo r ex ample, th e ch ild
may not be re st ra ined cor re ctly in th e eve nt
of an accident.

When ins ta lling a ch ild re st ra int sy st em, be sure
to obser ve th e manufacturer's ins ta llation
instructions and th e instructions fo r cor re ct use
of th e ch ild re st ra int sy st em.
Before ev ery trip, make sure th at th e LA TC H-type
(ISOFIX) ch ild re st ra int sy st em is engaged cor‐
re ctly in bo th LA TC H-type (ISOFIX) mounting
brac ke ts. u NO TE Dama ge to th e seat belt fo r th e
center seat
When ins ta lling a ch ild re st ra int sy st em, th e
seat belt fo r th e center seat could be dam‐
aged.

If it is absolutely necessary to ins ta ll a ch ild
re st ra int sy st em on th e front passenger seat,
alw ay s obser ve th e information on th e automatic
front passenger air bag shutoff ( →
page 41 ).
By doing th is, yo u can avo id ri sks caused by :R
A ch ild re st ra int sy st em th at is not de te cted
by th e automatic front passenger air bag
shutoff. R
An unintentionally deactivated front
passenger air bag. R
Incor re ct positioning of th e ch ild re st ra int
sy st em.
Fo rw ard-facing and re ar wa rd -facing ch ild
re st ra int sy st ems on th e front passenger
seat
When using a re ar wa rd-f acing ch ild re st ra int sys‐
te m on th e front passenger seat, th e front
passenger air bag must alw ay s be deactivated.
This is only th e case if th e PA SSENGER AIR BA G
OFF indicator lamp is lit continuously
( →
page 43). When using th e ch ild re st ra int sy st em on th e
front passenger seat, it is essential to obser ve
th e fo llowing: R
Mo ve th e front passenger seat as fa r back as
possible. R
Set th e seat backrest to an almost ve rt ical
position. R
Re tract th e seat cushion length as fa r as pos‐
sible. R
The entire base of th e ch ild re st ra int sy st em
must alw ay s re st on th e seat cushion of th e
front-passenger seat. R
The backrest of th e fo rw ard-facing ch ild
re st ra int sy st em must , as fa r as possible, be
re st ing on th e seat backrest of th e front
passenger seat. The ch ild re st ra int sy st em
must not to uch th e ro of or be put under
st ra in by th e head re st ra ints.R
If necessar y, adjust th e angle of th e seat
backrest and th e head re st ra int position
according ly . R
Ad just th e seat cushion inclination so th at
th e front edge of th e seat cushion is in th e highest position and th e re ar edge of th e
seat cushion is in th e lo west position. R
Alw ay s make sure th at th e shoulder belt
st ra p is cor re ctly ro uted from th e seat belt
outlet of th e ve hicle to th e shoulder belt
guide on th e ch ild re st ra int sy st em. The
shoulder belt st ra p must be ro uted fo rw ards
and down wa rd s from th e seat belt outlet. R
If necessar y, adjust th e seat belt outlet and
th e front passenger seat accordingly. R
Ne ve r place objects under or behind th e
ch ild re st ra int sy st em, e.g. cushions.
Alw ay s comply with th e manufacturer's ins ta lla‐
tion and operating instructions fo r th e ch ild
re st ra int sy st em used.54
Occupant saf et y