2018 MERCEDES-BENZ S-CLASS COUPE deactivate passenger airbag

The installation location of an airbag is identified
by the AIRB AGsymbol (→page 40).
&
WARNING Risk of injury or death dueto
th e use of unsuitable seat co vers
Uns uitable seat co vers can obstruct or pre‐
ve nt the deployment of air bags integrated
into the seats.
Consequentl y,the air bags cannot protect
ve hicle occupants as they are designed to
do. In addition, operation of the automatic
front passenger air bag shutoff may be
re stricted.
#Yo u should only use seat covers that
ha ve been appr oved forth e cor respond‐
ing seats byMercedes-Benz.
&
WARNING Risk of injury duetomalfunc‐
tions of the sensors in the door paneling
Sensors tocontrol the airbags are located in
th e doors. Modifications or worknot per‐
fo rm ed cor rectly tothe doors or door panel‐
ing, as well as damaged doors, can lead to
the function of the sensors being impaired.
The airbags might therefore not function
proper lyany more.
Consequent ly,th e airbags cannot protect
ve hicle occupants as they are designed to
do.
#Ne ver modify the doors or parts of the
doors.
#Alw ays ha vewo rkon the doors or door
paneling car ried out at a qualified spe‐
cialist workshop.
&
WARNING Risk of injury duetodeplo yed
airbag
A deplo yed airbag no longer has a pr otective
function and cann otprotect as intended in
th eev ent of an accident.
#Ha ve theve hicle towe dto aqu alified
specialist workshop in order tohave the
deplo yed airbag replaced.
Ha ve deplo yed airbags replaced immediately.
St atus of the front passenger airbag
Fu nction of the automatic front passenger
airbag shuto ff
The automatic front passenger airbag shutoff is
able todetect whe ther the front passenger seat
is occupied bya person or a child restra int sys‐
te m. The front passenger airbag and front
passenger knee airbag are then cor responding ly
either enabled or deactivated.
When ins talling a child restra int sy stem tothe
front passenger seat, alw ays make sure of the
fo llowing:
REnsure that thech ild restra int sy stem is posi‐
tioned cor rectly (→page 50).
RAlways obser vethech ild restra int sy stem
manufacturer's ins tallation instructions.
RNe ver place objects, e.g. cushions, under or
behind thech ild restra int sy stem.
RFu lly retract the seat cushion length adjust‐
ment.
RThe entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
Occupant saf ety 43

RThe backrest ofthefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat.
RThe child restra int sy stem must not touch the
ro of or be put under stra in by the head
re stra ints. Adjust the seat backrest inclina‐
tion and the head restra int setting accord‐
ing ly.
&
WARNING Risk of injury or death dueto
objects between the sitting sur face and
th ech ild restra int sy stem
Objects between the sitting sur face and the
ch ild restra int sy stem could af fect the func‐
tion of the automatic front passenger airbag
shutoff.
This could result in the front passenger air‐
bag not functioning as intended during an
accident.
#Do not place any objects between the
sitting sur face and thech ild restra int
sy stem.
#The entire base of thech ild restra int
sy stem must alw aysre st on the sitting
sur face of the front passenger seat.
#The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possi‐
ble, be resting on the seat backrest of
th e front passenger seat.
#Alw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions.
A person on the front passenger seat must
obser vethefo llowing information:
RFa sten seat belts cor rectly (→page 35).
RSit in an almost upright seat position with
their back against the seat backrest.
RSit with their feet resting on thefloor, if pos‐
sible.
Otherwise, the front passenger airbag may be
deactivated bymis take ,fo rex ample in thefo l‐
lowing situations:
RThe front passenge r transferstheir weight by
supporting themselves on a vehicle armrest.
RThe front passenger sits in such a wayth at
th eir weight is raised from the sitting sur‐
fa ce.
&
WARNING Risk of injury or death dueto
deactivated front passenger airbag
If th ePA SSENGER AIR BAG OFF indicator
lamp is lit, the front passenger airbag is disa‐
bled. It will not be deplo yed in theev ent of
an accident and cann otper form its intended
pr otective function.
A person in the front passenger seat could
th en, forex ample, come into con tact wi th
th eve hicle interior, especially if the person is
sitting too close tothe cockpit.
If th e front passenger seat is occupied,
alw ays ensure that:
RThe classification of the person in the
front passenger seat is cor rect and the
front passenger airbag is enabled or disa‐
bled in accordance with the person in the
front passenger seat.
44 Occupant saf ety

the seat belt outlet. If necessar y,adjust
th e front passenger seat according ly.
#Alw ays obser vethech ild restra int sys‐
te m manufacturer's ins tallation instruc‐
tions.
When ins talling a child restra int sy stem on the
front passenger seat, observ eth eve hicle-spe‐
cific information in this Operator's Manual.
If a person is sitting in the front passenger
seat: PASSENGER AIR BAG OFF may be lit con‐
tinuously or be off, depending on the person's
st ature.
A person on the front passenger seat must
alw ays obser vethefo llowing information:
RIf th e front passenger seat is occupied byan
adult or a person with a stature cor respond‐
ing tothat of an adult, thePA SSENGER air‐
bag OFF indica tor lamp must be off. This
indica testh at the front passenger front air‐
bag is enabled.
If th ePA SSENGER airbag OFF indica tor lamp
is lit continuously, an adult or person with a
build cor responding tothat of an adult should not use
the front passenger seat.
Ins tead, they should use a rear seat.
RIfth e front passenger seat is occupied bya
person of smaller stature (e.g. a teenager or
small adult), thePA SSENGER airbag OFF indi‐
cator la mpeither lights up continuously or
re mains off, depending on there sult of the
classifi cation.
-IfPA SSENGER AIR BAG OFF is off: mo ve
th e front passenger seat as far back as
possible or a person of smaller stature
should use a rear seat.
-Ifth ePA SSENGER AIR BAG OFF indicator
lamp is lit continuously: a person of
smaller stature should n

ot usethe front
passenger seat.
& WARNING Risk of injury or death when
th ePA SSENGER AIR BAG OFF indicator
lamp is lit
If th ePA SSENGER AIR BAG OFF indicator
lamp remains lit af terth e sy stem self-test,
th e front passenger air bag is deactivated. It
will not be deplo yed in theeve nt of an acci‐
dent. In this case, the front passenger air bag
cannot perform its intended pr otective func‐
tion, e.g. when a person is seated in the front
passenger seat.
That person could, forex ample, come into
con tact wi th theve hicle interior, especially if
th e person is sitting too close tothe cockpit.
If th e front passenger seat is occupied,
alw ays ensure that:
RThe classification of the person in the
front passenger seat is cor rect and the
front passenger air bag is enabled or
deactivated in accordance with the per‐
son in the front passenger seat.
RThe person is seated proper lywith a cor‐
re ctly fastened seat belt.
RThe front passenger seat has been mo ved
as far back as possible.
Fu rther related subjects:RChild restra int sy stem on the front passenger
seat (→page 55).
Occupant saf ety 47

Thechild cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction.
#Alw aysre place child restra int sy stems
immediately that ha vebeen damaged or
in vo lved in an accident.
#Ha ve the securing sy stems forth ech ild
re stra int sy stems checked at a qualified
specialist workshop before ins talling a
ch ild restra int sy stem again.
A boos ter seat may be necessary toachie ve
proper seat belt positioning forch ildren over
40 lbs (18 kg) in weight or until they reach a
height where a thre e-point seat belt can be
ins talled proper lywithout a boos ter seat.
The following no tes must be obser ved:
RWhen ins talling a child restra int sy stem on
th e front passenger seat, the information on
ins talling a child restra int sy stem on the front
passenger seat (
→page 55).
RInstructions and saf etyno tes on the auto‐
matic front passenger front airbag shutoff
(
→page 43).
RSaf etyno tes on the seat belt (→page 35).
RInformation on the cor rect use of the seat
belt (→page 39).
Ac tivating/deactivating the child seat saf ety
fe ature of the seat belt
&
WARNING Risk of injury or death if a
seat belt is unfas tened while theve hicle
is in motion
If th e seat belt is released while theve hicle is
in motion, thech ild restra int sy stem is no
longer cor rectly secure d. Thechild seat
saf etyfe ature is deactivated and the seat
belt is dr awn in a bit bythe inertia reel.
It is therefore not possible toengage the seat
belt again.
#Pull over and stop theve hicle safely as
soon as possible, paying attention to
ro ad and traf fic conditions.
#Ac tivate thech ild seat saf etyfe ature
again and cor rectly secure thech ild
re stra int sy stem.
When enabled, thech ild seat saf etyfe ature
ensures that the seat belts of the front
passenger seat and rear seats do not slac ken
once thech ild restra int sy stem is secured.
Installing a child restra int sy stem:
#Alw ays comply with the manufacturer's
ins tallation instructions when ins talling and
re moving thech ild restra int sy stem.
#Pull the seat belt smoo thly from the seat belt
outlet.
#En gage the seat belt tongue in the seat belt
buckle.
Ac tivating the child seat saf etyfe ature:
#Pull the seat belt out fully and let the inertia
re el retract it again.
When thech ild seat saf etyfe ature is activa‐
te d,you should hear a ratcheting sound.
#Push thech ild restra int sy stem down until
th e seat belt sits tightly.
Deactivating the child seat saf etyfe ature:
#Press there lease button of the seat belt
buckle.
52 Occupant saf ety

Beforeevery trip, make sure that theLA TC H-type
(ISOFIX) child restra int sy stem is engaged cor‐
re ctly in bo thLATC H-type (ISOFIX) mounting
brac kets.
#Fo ld uphols tere d lining 1upwards.
#Turn the support on there ar side of uphol‐
st ered lining 1by90°.
Up hols tere d lining 1remains folded
upwards.
#At tach theLA TC H-type (ISOFIX) child
re stra int sy stem toboth LATC H-type (ISOFIX)
mounting brac kets 2.
Child restra int sy stems on the front
passenger seat
Note s onchild restra int sy stems on the front
passenger seat
Ac cident statistics show that children secured in
th ere ar seats are safer than children secured in
th e front seats. Forth is reason, Mercedes-Benz
stro ngly advises that you ins tall a child restra int
sy stem on a rear seat.
If it is absolutely necessary toins tall a child
re stra int sy stem on the front passenger seat,
alw ays obser vethe information on the automatic
front passenger front airbag shutoff
(
→page 43).
By doing this, you can avoidrisks caused by:
RAch ild restra int sy stem that is not de tected
by the automatic front passenger front airbag
shutoff.
RThe unintentionally deactivated front
passenger airbag.
RIncor rect positioning of thech ild restra int
sy stem.
Note s onforw ard-facing and rear wa rd-facing
ch ild restra int sy stems on the front
passenger seat
When using a rear wa rd-facing child restra int sys‐
te m on the front passenger seat, the front
passenger front airbag must alw ays be deactiva‐
te d. This is only the case if thePA SSENGER AIR
BA G OFF indicator lamp is lit continuously
(
→page 45).
When using thech ild restra int sy stem on the
front passenger seat, it is essential toobser ve
th efo llo wing:
RMo
vethe front-passen ger seat as far back as
possible and also into the highest position.
RSet the seat backrest toan almost vertical
position.
RRe tract the seat cushion length as far as pos‐
sible.
Occupant saf ety 55

Displaymessages
Possible causes/consequences and MSolutions
Front Passenger Airbag Dis-
abled See Operator's Man-
ual *T
he front passenger air bag and the knee air bag are deactivated, eventh ough an adult or a person with a build
cor responding tothat of an adult is seated on the front passenger seat. If additional forc es are applied tothe seat,
th ewe ight the sy stem de tects may be too lo w.
&
WARNING Risk of injury orfata l injury due toa disabled front passenger airbag
If th e front passenger airbag is disabled, the front passenger airbag will not be deplo yed in theev ent of an acci‐
dent and cann otper form its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle's interior,
especially if the person is sitting too close tothe cockpit.
#Make sure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Check thest atus of the automatic front passenger air bag shutoff .
#If necessar y,consult a qualified specialist workshop immediatel y.
418
Displ aymessage s andwarning/indicator lamps