airbag MERCEDES-BENZ S-CLASS SALOON LONG 2021 User Guide

Each
vehicle occupant must make sure of the
fo llowing:
R Fasten seat belts co rrectl y.Pregnant
wo men must take particular care toensure
th at the lap belt ne ver lies across the
abdomen.
R Adopt the cor rect seat position and keep
as farawa y as possible from the airbags.
R Obser vethefo llowing information. #
Always make sure that there are no
objects between the airbag and vehicle
occupant. To
avo idtherisks resulting from the deployment
of an airbag, each vehicle occupant must obser ve
th efo llowing information in particular:
R Before starting your journe y,adjust your seat
cor rectl y;the driver's seat and front
passenger seat should be mo ved as far back
as possible.
When doing so, alw ays obser vethe informa-
tion on the cor rect driver's seat position
(/ page 118). V V
ehicles wit
ehicles wit h r
h rear airbag:
ear airbag: always obser vethe
information on there ar airbag when there ar
seat is occupied (/ page 61). Thevehicle
occupants should sit as far back from the air-
bags as possible and keep an equal distance
to them.
R Only hold the steering wheel bythe steering
wheel rim. This allo ws the airbag tobe fully
deplo yed.
R Always lean against the seat backrest when
th eve hicle is in motion. Do not lean forw ards
or against the door or side windo w.You may
ot herwise be in the deployment area of the
airbags.
R The occupants must alw ayske ep their feet on
th e 0oor. Do not put your feet on the cockpit,
fo rex ample. Your feet may otherwise be in the
deployment area of the airbag.
V
V ehicles wit
ehicles wit h r
h rear airbag:
ear airbag: always obser vethe
information on there ar airbag when there ar
seat is occupied (/ page 61).
R Ifch ildren are tr avelling in theve hicle, obser ve
th e additional no tes (/ page 66).
R Always st owand secure objects cor rectl y. Objects in
theve hicle interior may pr event an air-
bag from functioning cor rectl y.Each vehicle occu-
pant must alw ays make sure of thefo llowing in
particular:
R There are no people, animals or objects
between theve hicle occupants and an airbag.
V V ehicles wit
ehicles wit h r
h rear airbag:
ear airbag: also observethe
information on there ar airbag (/ page 61).
R There are no objects between the seat, door
and door pillar (B-pillar).
R There are no hard objects, e.g. coat hangers,
hanging on thegr ab handles or coat hooks.
R There are no accessories, such as mobile navi-
gation devices, mobile phones or cup holders,
within the deployment area of an airbag, e.g.
on the cockpit, on the door, on the side win-
dow or on the side trim.
In addition, no connecting cables, tensioning
straps or retaining straps must be routed or
attached totheve hicle within the deployment
area of an airbag. Alw ays comply with the
accessory manu facturer's ins tallation inst ruc-
tions and, in particular, the no tes on suitable
places for installation. Occupant saf
ety
55 55

R
There are no heavy, sharp-edge d or fragile
objects in the poc kets of your clo thing. Store
such objects in a suitable place. Limit
Limit
ations of t
ations of t he prot
he pr otection pro
ection pro vided b
vided by airbags
y airbags &
W
WARNING
ARNING Risk of injury due tomodi/ca-
tions tothe co ver of an airbag
If yo u modify the co ver of an airbag or a1x
objects such as stic kers to it,the airbag may
no longer function cor rectl y. #
Never modify the co ver of an airbag and
do not a1x objects toit. The installation location of an airbag is identi/ed
by
the AIRB AGsymbol (/ page 53).
Objects in the deployment area of an airbag may
pr ev ent the airbag from functioning cor rectl y. &
W WARNI NG
ARNI NGRisk of injury from objects in
th e deployment area of an airbag
Objects in the deployment area of an airbag
can hinder or pr eventthe cor rect deployment
of the airbag.
The airbag may then deploy in an uncontrolled
manner and may even cause additional inju-
ri es totheve hicle occupants bydeploying.
This may be the case in particular if the airbag
is integ rated into the seat. #
Always st owand secure objects cor-
re ctl y. #
Before commencing your journe y,make
sure that no objects are st owed in the
deployment area of an airbag. Obser
vethe no tes on loading theve hicle
(/ page 148). When triggered, the centre airbag
deplo ysbetween the front seats (/ page 53). &
W
WARNING
ARNING Risk of injury or death due to
th e use of unsuitable seat co vers
Due tounsuitable seat co vers,th e airbags
cannot pr otect vehicle occupants as intended.
In addition, the operation of the automatic
front passenger airbag shuto. could be
re stric ted. #
You should only use seat co vers that
ha ve been appr oved forth e cor respond-
ing seats byMercedes-Benz. &
W WARNI NG
ARNI NGRisk of injury due tomalfunc-
tioning sensors in the door
The function of the airbags can be impaired
due tomodi/cations or incor rect wo rkper-
fo rm ed on the doors or door trim, or if the
doors are damaged. #
Never modify the doors or parts of the
doors. #
Always ha veworkon the doors or door
trim car ried out at a quali/ed specialist
wo rkshop. 56
56
Occupant saf
ety

&
W
WARNI NG
ARNI NGRisk of injury due todeplo yed
airbag
A depl oyed airbag no longer o.ers any pr otec-
tion. #
Have theve hicle towe dto a quali/ed
specialist workshop in order tohave the
deplo yed airbag replaced. Ha
ve deplo yed airbags replaced immediatel y. S
S
t
tatus of t
atus of t he fr
he front passeng
ont passeng er fr
er front airbag
ont airbag F
F
unction of t
unction of t he aut
he automatic fr
omatic fr ont passeng
ont passeng er airbag
er airbag
shut
shut o.
o.
The automatic front passen ger airbag shuto. is
able todetect whe ther the front passenger seat is
occupied bya person or a child restraint system.
The front passenger airbag is enabled or disabled
acco rdingl y. &
W WARNI NG
ARNI NGRisk of injury or dea thdue to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic
co-driver airbag shuto. or damage the system. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. When /tting a
child restraint system tothe front
passenger seat, obser vetheve hicle-speci/c infor-
mation (/ page 83). Also, alw ays obser vethe
no tes on rear wa rd-facing or forw ard-facing child
re straint systems on the front passenger seat
(/ page 82).
A person on the front passenger seat must
obser vethefo llowing information:
R Fasten seat belts co rrectly (/ page 47).
R Sit in an almost upright seat position with their
back against the seat backrest. R
Sit with their feet resting on the 0oor, if possi-
ble.
The front passenger airbag may otherwise be dis-
abled bymistake, forex ample, in thefo llowing sit-
uations:
R The front passenger transfers their weight by
supporting themsel ves on a vehicle armrest.
R The front passen ger sits in such a wayth at
th eir weight is raised from the seat sur face. &
W
WARNING
ARNING Risk of injury or death due to a
disabled front passenger airbag
The front passenger airbag is disabled when
th ePA SSENGER AIR BAG OFF indicator lamp
is lit.
A person in the front passenger seat could
th en, forex ample, come into contact with the
ve hicle interior, especially if the person is sit-
ting too close tothe cockpit. Occupant saf
ety
57 57

If
th e front passenger seat is occupied, alw ays
ensure that:
R the classi/cation of the person in the front
passenger seat is cor rect and the front
passenger airbag is enabled or disabled in
accordance with the person in the front
passenger seat.
R the front passenger seat has been mo ved
as far back as possible.
R the person is seated cor rectl y. #
Both before and during the journe y,
ensure that the status of the front
passenger airbag is cor rect. If
th e front passenger seat is occupied, the classi-
/cation of the person or child restraint system on
th e front passenger seat take s place aTer the
front passenger airbag shuto. self-test. The
PA SSENGER AIR BAG indicator la mps display the
status of the front passenger airbag.
Alw ays obser vethe no tes on the function of the
PA SSENGER AIR BAG indicator lamps
( / page 58). F F
unction of t
unction of t he P
he PASSEN
ASSEN GER AIR BA
GER AIR BAG indicat
G indicat or
or
lam
lam ps
ps Self-t
Self-t
es
est of autt of aut omatic fr
omatic fr ont passeng
ont passeng er airbag shut-
er airbag shut-
o.
o. When theve hicle is switched on, a self-test is per-
fo rm ed during which the two PASSENGER AIR
BAG ON and OFF indicator la mps light up simul ta-
neous ly. The status of
the front passenger airbag is dis-
pla yed via thePA SSENGER AIR BAG indicator
la mp s aTer the self-test:
R ON is lit:
ON is lit: the front passenger airbag may
deploy during an accident.
The indicator lamp goes out aTer 60 seconds.
R ON and OFF ar ON and OFF ar e no
e not lit:
t lit: the front passenger
airbag may deploy during an accident.
R OFF is lit:
OFF is lit: the front passenger airbag is disa-
bled. It will then not be deplo yed in theev ent
of an accident.
If th ePA SSENGER AIR BAG ON indicator la mpis
o., only thePA SSENGER AIR BAG OFF indicator
la mp shows th e status of the front passenger air-
bag. The PASSENGER AIR BAG OFF indicator la mp
may be lit continuously or be o..
If th ePA SSENGER AIR BAG OFF indicator la mp
and the6 restraint system warning lamp light
up simultaneousl y,the front passenger seat may
not be used. Also in this case, do not /t a child
re straint system tothe front passenger seat. Ha ve
th e automatic front passenger airbag shuto. 58 58
Occupant saf
ety

ch
ecked and repaired immediately at a quali/ed
specialist workshop.
S
S t
tatus display
atus display
If th e front passenger seat is occupied, ensure,
bo th before and during the journe y,that the sta-
tus of the front passenger airbag is cor rect forthe
cur rent situation.
ATer
ATer /tting
/tting a r
a rearw
earw ar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint sy
aint sy s-
s-
t
t em t
em t o t
o the fr
he fr ont passeng
ont passeng er seat
er seat::PA SSENGER AIR
BAG OFF must be lit continuously. &
W
WARNI NG
ARNI NGRisk of injury or dea thwhen
using a rear wa rd-facing child restraint sys-
te m while the front passenger airbag is
enabled
If yo u secure a child in a rear wa rd-facing child
re straint system on the front passenger seat
and thePA SSENGER AIR BAG OFF indicator
la mp is o., the front passenger airbag can
deploy in theev ent of an accident.
The child could be struck bythe airbag. #
Always ensu rethat the front passenger
airbag is disabled. The PASSENGER AIR
BAG OFF indicator la mpmust be lit. #
NEVER use a rear wa rd-facing child
re straint system on a seat wi than ENA-
BLED FRONT AIR BAG. This can result in
th e DEATH of or SERIOUS INJURY tothe
CHILD. When /tting a
child restraint system tothe front
passenger seat, obser vetheve hicle-speci/c infor-
mation (/ page 82).
Depending on thech ild restraint system and the
stature of thech ild, thePA SSENGER AIR BAG OFF
indicator la mpmay be o.. In this case, do not /t
th ere ar wa rd-facing child restraint system tothe
front passenger seat.
Instead, /t there ar wa rd-facing child restraint sys-
te m to a suitable rear seat.
ATer ATer /tting
/tting a f
a forw
orw ar
ard-f
d-f acing c
acing c hild r
hild res
estr
traint sy
aint sy s-
s-
t
t em t
em t o t
o the fr
he fr ont passeng
ont passeng er seat
er seat::depending on the
ch ild restraint system and the stature of thech ild,
PA SSENGER AIR BAG OFF may be lit continuous lyor be o.. Alw
ays obser vethefo llowing informa-
tion. &
W
WARNING
ARNING Risk of injury or death due to
incor rect positioning of thefo rw ard-facing
ch ild restraint system
If yo u secure a child in a forw ard-facing child
re straint system on the front passenger seat
th at is positioned too close tothe cockpit, in
th eeve nt of an accident, thech ild could:
R come into contact with theve hicle interior
if th ePA SSENGER AIR BAG OFF indicator
la mp is lit, forex ample
R be st ruck bythe airbag if thePA SSENGER
AIR BAG OFF indicator la mpis o.. #
Always mo vethe front passenger seat as
fa r back as possible and fully retract the
seat cushion length adjustment. While
doing so, alw ays make sure that the
shoulder belt st rap is cor rectly routed
from the seat belt outlet of theve hicle to
th e shoulder belt guide on thech ild
re straint system. The shoulder belt strap
must be routed forw ards and down wards Occupant saf
ety
59 59

from
the seat belt outlet. If necessar y,
adjust the seat belt outlet and the front
passenger seat accordingl y.#
Always comply with thech ild restraint
system manufactu rer's installation
inst ructions. When /tting a
child restraint system tothe front
passenger seat, obser vetheve hicle-speci/c infor-
mation (/ page 82).
If a per
If a per son is sitting on t
son is sitting on t he fr
he front passeng
ont passeng er seat
er seat::
PA SSENGER AIR BAG OFF may be lit continuous ly
or be o., depending on the person's stature.
A person on the front passenger seat must alw ays
obser vethefo llowing information:
R Ifth e front passenger seat is occupied byan
adult or a person with a stature cor responding
to that of an adult, thePA SSENGER AIR BAG
OFF indicator la mpmust be o.. This indicates
th at the front passenger airbag is enabled.
If th ePA SSENGER AIR BAG OFF indicator
la mp is lit continuousl y,an adult or person
with a build cor responding tothat of an adult
must not use the front passenger seat. Instead,
they should use a rear seat.
R Ifth e front passenger seat is occupied by a
person of smaller stature (e.g. a teenager or
small adult), thePA SSENGER AIR BAG OFF
indicator la mpis either lit continuously or
re mains o., depending on the classi/cation.
- Ifth ePA SSENGER AIR BAG OFF indicator
la mp is o.: mo vethe front passenger seat
as far back as possible, or the person of
smaller stature should use a rear seat.
- Ifth ePA SSENGER AIR BAG OFF indicator
la mp is lit continuousl y:the person of
smaller stature should not use the front
passenger seat. &
W
WARNING
ARNING Risk of injury or death when
th ePA SSENGER AIR BAG OFF indicator
la mp is lit
If th ePA SSENGER AIR BAG OFF indicator
la mp remains lit aTer the self-test, the front
passenger airbag is disabled. If
th e front passenger seat is occupied, alw ays
ensure that:
R The classi/cation of the person in the front
passenger seat is cor rect and the front
passenger airbag is enabled or disabled in
accordance with the person in the front
passenger seat.
R The person is seated proper lywith a cor-
re ctly fastened seat belt.
R The front passenger seat has been mo ved
as far back as possible. Be sure
toalso obser vethefo llowing fur ther rela-
te d subjects:
R Child restraint system on the front passenger
seat (/ page 82)
R Suitable positioning of thech ild restraint sys-
te m (/ page 70) 60 60
Occupant saf
ety

Inf
Inf
or
ormation on t
mation on t he r
he rear airbag
ear airbag P
P
oints t
oints t o r
o remember when t
emember when t he r
he rear seat is occu-
ear seat is occu-
pied
pied
The rear airbag o.ers the occupants on the outer
re ar seats additional occupant pr otection in the
ev ent of cer tain types frontal impacts. When trig-
ge red, there ar airbag depl oys between there ar
seat occupant and the front seat. The rear airbag
can help pr event the occupants on there ar seats
from coming into contact with parts of theve hicle
interior in theev ent of an accident.
To avo idtherisks resulting from the deployment
of an airbag, obser vethefo llowing information:
R Inform persons on there ar seats about the
re ar airbag in the front seat.
R A person sitting on there ar seat must adopt
th e cor rect seat position and sit as far back
from there ar airbag as possible. Adjust the
front seats when necessa ryso that vehicle
occupants are sitting as far back from the air-
bag as possible and at an equal distance to
th em.
R Obser vethe no tes on airbag pr otection
(/ page 54). To
avo idrisks resulting from the deployment of
th e airbag, vehicle occupants on the outer rear
seats must obser vethefo llowing information in
particular:
R The occupants must alw ayske ep their feet on
th e 0oor. Otherwise, feet and legs of occu-
pants may be in the deployment area of the
re ar airbag.
If an occupant's feet cannot reach the 0oor,
th ey must adopt the cor rect seat position and
let their legs hang down the front of the seat.
R The feet or legs of the person on there ar seat
must not rest against the seat backrest of the
front seat, forex ample. Otherwise, their feet
and legs are in the deployment area of the
re ar airbag. This should be take n into consid-
eration especially if you are tr avelling with a
ch ild on there ar seat.
If yo u are tr avelling with a child in the leT or
ri ght rear seat, obser vetheve hicle-speci/c
information: (/ page 77). Also, alw ays
obser vethe no tes on rear wa rd-facing or
fo rw ard-facing child restraint systems on the
leT and right rear seats. R
Make sure that the co vers forth ere ar airbags
are not damaged.
R Obser vethe no tes on limi tations tothe pr otec-
tion provided byairbags (/ page 56). &
W WARNING
ARNING Risk of injury due toa damaged
re ar airbag co ver
If a rear airbag co ver is damaged, there ar air-
bag can no lon ger function cor rectly and can
ev en cause additional injuries when deplo yed. #
Before starting a journe y,make sure the
co vers forth ere ar airbags are not dam-
aged. If a rear airbag co ver is damaged,
disable there ar airbag. Ha vea damaged
re ar airbag co verre placed at a quali/ed
specialist workshop as soon as possible. Yo
u can disable or enable there ar airbag via the
multimedia system (/ page 63).
Objects behind t
Objects behind t he fr
he front seat
ont seat
Objects in the deployment area of there ar air-
bags may pr event there ar airbags from function-
ing cor rectl y. Occupant saf
ety
61
61

&
W
WARNI NG
ARNI NGRisk of injury due toobjects
placed in front of there ar airbag co ver
Objects in front of there ar airbag co ver can
hinder or pr eventthe cor rect deployment of
th ere ar airbag which is integ rated into the
front seat.
The rear airbag can po tential lydeploy in an
uncontrolled manner and can cause additional
inju ryto the person on the front seat. #
Always st owand secure objects cor-
re ctl y. Obser
vethe no tes on loading theve hicle
(/ page 148).
Disabling/enabling t Disabling/enabling t he r
he rear airbag
ear airbag
If, aTer consideration of the no tes and instruc-
tions in this Owner's Manual, you deem the addi-
tional occupant pr otection pr ovided bythere ar
airbag unnecessar y,there ar airbag can be disa-
bled. The
rear airbags should be disabled in thefo llo w-
ing situations in particular:
R Arear wa rd-facing child restraint system is
secu red on the leT or right rear seat.
R The person in there ar seat, forex ample a
ch ild, cannot sit in the cor rect seat position.
Their feet and legs are po tential lyin the
deployment area of there ar airbag.
R Due tothe position of the front seats, an
occupant's legs, forex ample, are in the
deployment area of there ar airbag.
R Objects are stored behind the front seat which
are in the deployment area of there ar airbags.
Yo u can disable or enable there ar airbag via the
multimedia system (/ page 63). F F
unction of t
unction of t he REAR SEA
he REAR SEA T AIRBA
T AI RBA G indicat
G indicat or
or
lam
lam ps
ps l
LeT rear seat
k Right rear seat
When the ignition is switched on, a self-test is per-
fo rm ed during which the REAR SEAT AIR BAG ON
and OFF indicator lamps light up simultaneousl y.62
62
Occupant saf
ety

ATer
the self-test, the status of there ar airbag for
th e leT and right rear seat is displ ayed via the
REAR SEAT AIR BAG indicator lamps:
R ON is lit:
ON is lit: there ar airbag may depl oyduring an
accident.
The indicator lamp goes out aTer appr ox-
imately 60 seconds.
R ON and OFF ar ON and OFF ar e
eo.:
o.: there ar airbag may
depl oyduring an accident.
R OFF is lit:
OFF is lit: there ar airbag is disabled. It will
th en not be deplo yed in theev ent of an acci-
dent.
If th e REAR SEAT AIR BAG ON indicator lamp is
o., only the REAR SEAT AIR BAG OFF indicator
lamp sho ws the status of there ar airbag. The
REAR SEAT AIR BAG OFF indicator lamp may be lit
continuously or be o.. Enabling/disabling t
Enabling/disabling t
he r
he rear airbag via t
ear airbag via t he multi-
he multi-
media syst
media syst em
em
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Occupant protection #
Enable or disable the desired rear airbag
under Rear airbags . PRE-S
PRE-S
AFE
AFE®
®
syst
syst em
em F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
(anticipat
(anticipat or
ory occupant
y occupant
pr ot
pr otection)
ection) PRE-SAFE
®
is able todetect cer tain critical driv-
ing situations and implement pre-em ptive meas-
ures toprotect theve hicle occupants.
PRE-SAFE ®
can implement thefo llowing meas-
ures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Closing the side windo ws.
R V
Vehicles wit
ehicles wit h sliding sunr
h sliding sunr oof:
oof:closing the slid-
ing sunroof. R
V
Vehicles wit
ehicles wit h memor
h memory function:
y function: movingthe
front passenger seat toa more favo urable seat
position.
R V
Vehicles wit
ehicles wit h memor
h memory function in t
y function in t he r
he rear
ear
com
com par
partment:
tment: moving the outer rear seats to
a more favo urable seat position.
R V
Vehicles wit
ehicles wit h multicont
h multicont our seat
our seat:
:increasing the
air pressure in the seat side bolsters of the
seat backrest.
R PRE-SAFE ®
Sound: pr ovided that the multime-
dia system is switched on, generating a brief
noise signal tostimula tethe innate pr otective
mechanism of a person's hearing.
* NO
NOTE
TEDamage caused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat position
may result in damage tothe seat and/or the
object. #
Stow objects in a suitable place. Occupant saf
ety
63
63

Alw
ay
Alw ays secur
s secur e a c
e a child r
hild r es
estr
traint syst
aint syst em corr
em correctly
ectly &
W
WARNING
ARNING Risk of injury or death due to
incor rect ins tallation of thech ild restraint
system
The child can then not be pr otected or
re strained as intended. #
Be su retocomply with the manufactur-
er's installation inst ructions forth ech ild
re straint system and its co rrect use. #
Make sure that the entire base of the
ch ild restraint system al ways rests on
th e sitting sur face of the seat. #
Never place objects (e.g. cushions)
under or behind thech ild restraint sys-
te m. #
Use child restraint systems on lywith the
original co ver designed forth em. #
Alwaysre place damaged co vers with
ge nuine co vers. &
W
WARNI NG
ARNI NGRisk of injury or dea thdue to
unsecured child restraint systems in the
ve hicle
If th ech ild restraint system is incor rectly /tted
or not secured, it can come loose.
The child restraint system could be 0ung
around and hit vehicle occupants. #
Always ins tallch ild restraint systems co r-
re ctl y,even when not in use. #
Always comply with thech ild restraint
system manufactu rer's installation
inst ructions. R
Always obser vethech ild restraint system
manufactu rer's installation and operating
inst ructions as well as theve hicle-speci/c
information:
- Fitting the ISOFIX or i-Size child restraint
system tothere ar seat (/ page 74).
- Securing thech ild restraint system wi th
th e seat belt on there ar seat
(/ page 81). -
Securing thech ild restraint system wi th
th e seat belt on the front passenger seat
(/ page 83). Obser vethe speci/c
inst ructions forth ere ar wa rd-facing and
fo rw ard-facing child restraint systems
(/ page 82).
If th e front passenger seat is occupied,
ensure, bo thbefore and during the jour-
ne y,that the status of the front passenger
airbag is cor rect forth e cur rent situation
(/ page 58).
R Obser vethewa rning labels in theve hicle inte-
ri or and on thech ild restraint system.
R Also secu reTopTe ther if present.
Do no Do no t modify t
t modify t he c
he child r
hild r es
estrtraint syst
aint syst em
em &
W
WARNING
ARNING Risk of injury due tomodi/ca-
tions tothech ild restraint system
The child restraint system can no longer func-
tion prope rly. This poses an increased risk of
injur y. #
Never modify a child restraint system. Occupant sa
fety
67
67