height MERCEDES-BENZ S-CLASS SALOON LONG 2021 Owners Manual

When /tting a
child restraint system tothe
re ar seat, obser vetheve hicle-speci/c infor-
mation (/ page 70). F
F
ast
ast ening and adjus
ening and adjusting seat belts ting seat belts If
th e seat belt is pulled quickly or sharpl y,the
seat belt retractor loc ks. The seat belt strap can-
not be pulled out any fur ther.
V
V ehicles wit
ehicles wit h illuminat
h illuminated design seat belt buc
ed design seat belt buc kles:
kles:
th e illuminated seat belt buckle makes fastening
yo ur seat belt easier in cer tain situations, for
ex ample, when light conditions are poor.
% The illumination on the seat belt buckle does
not indicate that the seat belt buckle is func-
tioning cor rectl y. #
Always engage seat belt tongue 2ofthe seat
belt into seat belt buckle 1ofthe cor re-
sponding seat. #
T
To adjus
o adjust t t the seat belt height
he seat belt height: :press and hold
th e belt guide release and slide seat belt out-
let 3 into the desired position. #
T
To eng
o eng ag
age t
e t he seat belt outlet
he seat belt outlet: :let go of the
belt guide release and ensure that seat belt
outlet 3locksinto position. %
A seat belt can only pr ovide the best le vel of
pr otection if it is worncor rectl y.Obser vethe
no tes on fastening the seat belt (/ page 47).
* N
NOOTE
TE Deployment of components of the
re straint system when the front passenger
seat is unoccupied and a seat belt is
buckled When
the front passenger seat is unoccupied
and the seat belt tongue of the seat belt is
engaged in the seat belt buckle, components
of there straint system ma y deployunnecessa-
ri ly on the front passenger side, e.g. the seat
belt tensioner. #
Only buckle the seat belts as intended. %
Obser vethe no tes on st owage areas
(/ page 148).
Information on /tting a child restraint system
and on children tr avelling in theve hicle can
be found in the "Children in theve hicle" sec-
tion (/ page 70). Occupant saf
ety
51 51

R
activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 411)
R switching o. the engine
To start theve hicle again, switch theve hicle
o. and on once more (/ page 211). Depend-
ing on the type and se verity of the accident,
yo u may no longer be able tostart theve hicle.
R switching o. the fuel supply
R v
vehicles wit
ehicles wit h h
h hybr
ybr id dr
id dr iv
ive:
e: switching o. the
hy brid system and high-voltage on-board elec-
trical system
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the central
display
R switching on the interior lighting
F
F unction of t
unction of t he pos
he post-collision brt-collision br ake
ake
Depending on the accident situation, the post-col-
lision brake can minimise the se verity of a fur ther
collision or even avo id it. If an accident is de
tected, the post-collision brake
can implement automatic braking. When theve hi-
cle has come toa standstill, the electric parking
brake is automatically applied.
The driver can cancel automatic braking bytaking
th efo llowing actions:
R braking more strongly than automatic braking
R fully depressing the accelerator pedal with
fo rce Saf Saf
el
ely tr
y tr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ays observ
s observ e when c
e when c hildr
hildren ar
en ar e trav
e tr avelling in t
elling in t he
he
v
v ehicle
ehicle %
Also strictly obser vethe saf ety no tesfo rthe
speci/c situation. In this wa yyo u can recog-
nise po tential risks and avoid dangers if chil-
dren are tr avelling in theve hicle
(/ page 66).
Be dilig
Be dilig ent
ent
Bear in mind that negligence when securing a
ch ild in thech ild restraint system ma y haveseri- ous conse
quences. Alw ays be dili gent in securing
a ch ild carefully before every journe y.
Ne ver allow babies and children totrave l sitting
on the lap of ano ther vehicle occupant.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obser vethefo l-
lowing information:
R Always secure thech ild in a child restraint sys-
te m suitable forth is Mercedes-Benz vehicle.
R The child restraint system must be appropria te
to the age, weight and size of thech ild.
R The vehicle seat must be suitable for /tting a
ch ild restraint system (/ page 70).
Ac cident statistics show that children secured on
th ere ar seats are generally safe rth an children
secured on the front seats. Forth is reason,
Mercedes-Benz st rongly advises that you /t a
ch ild restraint system toare ar seat. Occupant saf
ety
65 65

#
Turn the emer gency key anti-clockwise from
position 1toposition 2. #
Turn the emer gency key back toposition 1
and remo veit.
% Ifyo u use the emer gency keyto unlock and
open the boot lid, the anti-theT alarm system
will be triggered. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the boo
he boo t lid opening lim-
t lid opening lim-
it
it er
er Multimedia system:
4 © 5
Settings 5
Vehicle
5 Opening/closing #
Activate or deactivate theOpening height lim-
iter.
This function pr events the boot lid from hitting a
low garage ceiling, forex ample. Side wind
ows
Side windo ws Opening and closing t
Opening and closing t
he side windows
he side wind ows &
W
WARNI NG
ARNI NGRisk of becoming trapped when
opening a side wind ow
When you open a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody is
to uching the side windo w. #
If someone is trapped, release the but-
to n immedia tely or pull it in order to
close the side window again. &
W
WARNING
ARNING Risk of becoming trapped when
closing a side window
When closing a side windo w,body parts could
be trapped in the closing area in the process. #
When closing, make sure that no body
parts are in the closing area. #
If someone is trapped, release the but-
to n immedia tely or press the button in
order toreopen the side windo w. &
W
WARNI NG
ARNI NGRisk of becoming trapped when
ch ildren operate the side windo ws
Children could become trapped if they operate
th e side windo ws,particular lywhen unat ten-
ded. #
Activate thech ild saf ety lock forth ere ar
side wind ows. 104
104
Opening and closing

Yo
u can adjust the seats when theve hicle is
switched o.. &
W
WARNING
ARNING Risk of becoming trapped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that no
one has any body parts in the sweep of
th e seat. Obser
vethe saf ety no tes on "Airbags" and "Chil-
dren in theve hicle". &
W
WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion R
ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. &
W
WARNING
ARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If yo u adjust the seat height carelessl y,yo u or
ot her vehicle occupants could be trapped and
th ereby injured.
Children in particular could accidentally press
th e electrical seat adjustment buttons and
become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly ofthe seat
adjustment system. &
W WARNING
ARNING Risk of injury due toincor rectly
adjus ted head restraints
If head restraints ha venot been adjusted cor-
re ctl y,there is an increased risk of injury in
th e head and neck area, e.g. in theev ent of an
accident or sudden braking. #
Before driving o., make sure forev ery
ve hicle occupant that the centre of the
head restraint supports the back of the
head at about eye le vel. Ad
just the head restraint fore -and-aT position so
th at it is as close as possible tothe back of your
head. &
W
WARNING
ARNING Risk of injury or death due to
incor rect seat position
The seat belt will not o.er the intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. Seats and st
owing
119
119

#
Adjust the seat proper lybefore begin-
ning your journe y. #
Always ensu rethat the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the centre of your shoul-
der. &
W
WARNING
ARNING Risk of injury due toexcessive
st ra in on thegr ab handle
If yo u apply your full body weight tothegr ab
handle or pull it abruptl y,thegr ab handle may
be damaged or become loose from its anchor-
age. #
Use thegr ab handles only tostabilise
th e seating position or toassist in get-
ting in and out of the seat. &
W WARNING
ARNING Risk of injury or death due 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. *
N
NOOTE
TE Damage tothe seats when moving
th e seats back The seats may be damaged
byobjects when
moving the seats bac k. #
When moving the seats bac k,make sure
th at there are no objects in thefo ot we ll,
under or behind the seats. The switches
for adjusting the seats do not mo ve.
Yo u will therefore receive no direct feedback on
th e switch while pressing the switch. Feedback is
pr ov ided only bythe mo vement of the seat. 1
Head restraint fore -and-aT position (vehicles
wi th an EASY ADJUST luxury head restraint)
2 Head restraint height
3 Seat height
4 Seat cushion inclination
5 Seat cushion length
6 Seat fore -and-aT position
7 Seat ba ckrest inclination 120
120
Seats and st
owing

#
Save the settings with the memory function
(/ page 144).
% The head restraint height will be adjusted
au tomatically when you adjust the seat height
or the seat fore -and-aT position.
% V
Vehicles wit
ehicles wit h EAS
h EASY AD
Y ADJUS
JUST luxur
T luxur y head
y head
r
r es
es tr
traints:
aints: thefo re -and-aT position of the
head restraint will be adjusted au tomatically
when you adjust the backrest angle. A
A
djus
djus ting t
ting t he fr
he front passeng
ont passeng er seat electr
er seat electr ically
ically
fr
fr om t
om t he dr
he dr iv
iver's seat
er's seat Yo
u can call up thefo llowing functions forthe
front passenger seat:
R Seat adjustment
R Seat heating
R Seat ventilation
R Memo ryfunction #
T
To select t
o select t he fr
he front passeng
ont passeng er seat:
er seat:press but-
to n1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the but-
to ns on the driver's side door operating unit. Seats and st
owing
121
121

A
A
djus
djus ting t
ting t he fr
he front passeng
ont passeng er seat electr
er seat electr ically
ically
fr
fr om t
om t he r
he rear
ear Ve
hicles with elect rically adjus table outer seats
1 Selects the front passenger seat
2 Head restraint height
3 Seat ba ckrest inclination
4 Seat height
5 Seat fore -and-aT position Ve
hicles with an EASY ADJUST luxury head restraint
1 Selects the front passenger seat
2 Head restraint fore -and-aT position
3 Head restraint height
4 Seat ba ckrest inclination
5 Seat height
6 Seat fore -and-aT position Ve
hicles with seat forch au.eur mode and long
wheelbase
1 Selects the front passenger seat
2 Head restraint fore -and-aT position
3 Head restraint height
4 Seat ba ckrest inclination
5 Seat height
6 Front passenger seat foot re st
7 Seat fore -and-aT position 122 122
Seats and st
owing

The
foot re st can be adjusted on lywhen one of the
fo llowing conditions has been ful/lled:
R Depending on the equipment, the front
passenger seat is in one of thefo llowing posi-
tions:
- Vehicles without leg rest: the front
passenger seat has mo ved into a random
position.
- Vehicles with leg rest: the front passenger
seat has been mo ved fully forw ard.
R The front passen ger seat is in the position for
ch au.eur mode. #
Adjust there ar seat (/ page 123). #
Adjust there clining rear seat (/ page 124). #
T
To select t
o select t he fr
he front passeng
ont passeng er seat:
er seat:press but-
to n1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the but-
to ns on the door operating unit in there ar
passen ger compartment. %
You can use there ar-compartment child
saf ety lock todisable this function
(/ page 86). A
A
djus
djusting t ting t he r
he rear seats electr
ear seats electr ically
ically &
W
WARNING
ARNING Risk of injury or death due to
incor rect seat position
The seat belt will not o.er the intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. #
Adjust the seat proper lybefore begin-
ning your journe y. #
Always ensu rethat the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the centre of your shoul-
der. The switches
for adjusting the seats do not mo ve.
Yo u will therefore receive no direct feedback on th
e switch while pressing the switch. Feedback is
pr ov ided only bythe mo vement of the seat.
Yo u can electrically adjust only the outer seats in
th ere ar compartment. 1
Fore-and-aT position of the head restraint
(vehicles wi thactive multicon tour seat)
2 Head restraint height Seats and st
owing
123
123

3
Seat ba ckrest inclination
4 Combined seat cushion inclination and length #
Save the settings with the memory function
(/ page 145). A
A
djus
djus ting t
ting t he r
he reclining r
eclining r ear seats electr
ear seats electr ically
icallyThe
reclining rear seat is available in long-wheel-
base vehicles equipped with "Executive seats". In
ve hicles without a reclining rear seat, the button
fo r setting the angle and fore -and-aT position of
th e leg rest has no function.
The reclining rear seat is on the front passenger
side. 1
Fore-and-aT position of the head restraint
(vehicles wi thactive multicon tour seat)
2 Head restraint height
3 Seat ba ckrest inclination
4 Combined seat cushion inclination and length
5 Fore-and-aT position of the leg rest
6 Angle of the leg rest #
Save the settings with the memory function
(/ page 145).
% The leg rest will fold down if overloaded. If this
is the case, fold up the leg rest and engage it.
% Vehicles with a long wheelbase and the
Chau.eur/Rear Seat Memory Package also
ha ve afo ot re st. This is loca ted on the lo wer
part of the front passenger seat backrest
(/ page 128). 124
124
Seats and st
owing

A
A
tt
tt ac
ac hing and r
hing and r emo
emoving t
ving t he additional cushion of
he additional cushion of
t
t he head r
he head r es
estrtraint in t
aint in t he r
he rear com
ear com par
partment (indi-
tment (indi-
vidual seats)
vidual seats) #
Position head restraint 2asfarfo rw ards as
possible. #
T
To att
o att ac
ach t
h t he additional cushion:
he additional cushion: openVelcro
strip 4onthere ar of additional cushion 1. #
Guide Velcro strip 4between head restraint
2 and strip 3. #
Close Velcro strip 4. #
Chang
Chang e t
e the position of t
he position of t he additional cushion:
he additional cushion:
mo veadditional cushion 1up or down. #
T
To r
o r emov
emov e additional cushion:
e additional cushion: openVelcro
strip 4of additional cushion 1. #
Remo veadditional cushion 1.
A
A tt
tt ac
ac hing heat
hing heat ed additional cushion
ed additional cushion
In vehicles with elect rically adjus table head
re straints, you can heat the additional cushion. #
Attach the additional cushion tothe head
re straint as desc ribed. #
Movethe head restraint totheve ry top. #
Push press-studs 2onthe additional strip
into counterpieces 1onthe head restraint. #
Movethe head restraint tothe desired height. #
T
To switc
o switc h nec
h neck heating fr
k heating fr om t
om the additional
he additional
cushion
cushion on/o.:
on/o.:make sure that press-studs
2 onthe additional strip are cor rectly
pushed into counterpieces 1onthe head
re straint. #
Ensu rethat the "Couple neck heat toseat
heating" function is active (/ page 135). #
Activate or deactivate the seat heating
(/ page 137). Seats and st
owing
133
133