belt MERCEDES-BENZ S CLASS 2018 User Guide

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

Note s on th e cor re ct driver's seat position
q
WA RNING Risk of inju ry from adju st ing
th e ve hicle settings while th e ve hicle is in
motion
Yo u could lose cont ro l of th e ve hicle in th e
fo llowing situations: R
if yo u adjust th e driver's seat, th e head
re st ra int, th e st eering wheel or th e mir ro r
while th e ve hicle is in motionR
if yo u fa st en yo ur seat belt while th e ve hi‐
cle is in motion

Obser ve th e fo llowing:R
adjust th e front passenger seat fo r ch auf fe ur
mode before th e journeyR
do not re mo ve th e front passenger seat head
re st ra int during th e journey
Fo r ch auf fe ur mode, th e fo llowing settings are
made fo r th e front passenger seat:R
th e seat is mo ve d fo rw ardsR
th e backrest is tilted fo rw ardsR
th e head re st ra int is fo lded fo rw ards
The front passenger seat automatically mo ve s
from th e ch auf fe ur position back into th e normal
position in th e fo llowing situations:R
th e front passenger seat is adjus te d using
th e buttons in th e door control panel on th e
front passenger side R
th e front passenger seat belt is fast enedR
an occupant is de te cted on th e front
passenger seat R
th e front passenger head re st ra int is inse rt ed
and th e po we r supply is switched on R
th e front passenger backrest is adjus te d
re ar wa rd s R
th e front passenger seat is mo ve d in th e fo re -
and-aft direction out of th e ch auf fe ur area
Po sitioning th e front passenger seat fo r
ch auf fe ur mode
Requ irements: R
The po we r supp ly is switched on.R
The front passen ge r seat is not occupied.R
The front passenger seat belt is not inser te d
into th e seat belt buckle.96
Seats and stow ing

R
The seat belt to ngue is not inser te d in th e
seat belt buckle of th e driver's seat and th e
driver's door is opened. R
There is a sy st em malfunction.R
The po we r supp ly is insuf fi cient.R
The ve hicle is st ationary fo r a lengt hy period.
When th e electric parking brake is applied, th e
I (USA) or $ (Canada) indicator lamp
lights up in th e instrument clus te r.
The electric parking brake is not automatically
applied if th e engine is switched off by th e ECO
st art/ st op function.
Fu nction of th e electric pa rk ing brake
(releasing automatically)
The elect ri c pa rk ing brake is re leased when th e
fo llowing conditions are fulfilled: R
The engine is ru nning.R
The seat belt to ngue is inser te d into th e seat
belt buckle of th e driver's seat.R
The transmission is in position [ or ^ and
yo u depr ess th e accelera to r pedal or yo u shift from transmission position ] to [ or
^ . R
If th e transmission is in position ^ , th e
trunk lid mu st be closed.
If th e seat belt to ngue is not inser te d into th e
seat belt buckle of th e driver's seat, th e fo llow‐
ing conditions must be fulfilled: R
The driver's door is closed. R
Yo u mo ve th e transmission out of transmis‐
sion position ] or yo u ha ve pr ev iously
driven fast er th an 2 mp h (3 km/h).R
If th e transmission is in position ^ , th e
trunk lid mu st be closed.
If th e elect r ic parking brake is re leased, th e
I (USA) or $ (CANADA) indicator lamp in
th e instrument clus te r goes out. Applying or re leasing th e electric pa rk ing
brake manually
Applying

Sy st em limitations
AT TENTION ASSIST is active in th e 37 mp h
(60 km/h) to 12 4 mp h (2 00 km/h) speed ra nge.
The functionality of AT TENTION ASSIST is
re st ri cted, and wa rn ings may be dela ye d or not
occur at all in th e fo llowing situations:R
If yo u ha ve been driving fo r less th an 30
minutes. R
If th e ro ad condition is poor (une ve n ro ad
sur fa ce or po th oles).R
If th ere is a stro ng side wind.R
If yo u adopt a sporty drivin g st yl e (high cor‐
nering speeds or high ra te s of acceleration).R
If th e St eering Assist function of Ac tive Dis‐
ta nce Assi st DISTRONIC is acti ve .R
If th e time has been set incor re ctly.R
In acti ve driving situations, if yo u ch ange
lanes and va ry yo ur speed frequentl y.
The AT TENTION ASSIST tiredness or alertness
assessment is dele te d and re st ar te d when con‐
tinuing th e journey in th e fo llowing situations:R
If yo u swit ch off th e engine. R
If yo u unfas te n yo ur seat belt and open th e
driver's door (e.g. ch ange drivers or ta ke a
break).
Setting AT TENTION ASSI ST
Multimedia sy st em: