2021 MERCEDES-BENZ S-CLASS SALOON LONG isofix

®
When /tting an ISOFIX child restraint sys-
te m, also obser vethefo llowing:
O When using a bab
When using a bab y car seat in w
y car seat in weightgr
eight group
oup
0/0+ and a r
0/0+ and a r earw
earwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em in w
em in w eightgr
eight group 1 on a r
oup 1 on a r ear seat
ear seat::
adjust the front seat so that the seat does
not touch thech ild restraint system.
O When using a f
When using a f orw
orwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em in w
em in w eightgr
eight group 1:
oup 1: remo vethe head
re straint from there specti veseat, if possible.
In addition, the backrest of thech ild restraint
system must lie as 0at as possible again st
th e backrest of theve hicle seat.
ATer thech ild restraint system has been
re mo ved, replace the head restraint immedi-
atel y and adjust all head restraints co rrectl y.
O Ifth e head restraint of thech ild seat cannot
be fully extended when it is installed in the
ve hicle, this will result in restrictions on the
maximum size setting forch ild restraint sys-
te ms in weight group 2 or 3.
Contact with thero of when the head
re straint is ful lyex tended and loc ked in place
will not result in any restrictions on use. O
Thechild restraint system must not be put
under strain between thero of and the seat
cushion and/or be /t tedfacing the wrong
direction. Where possible, adjust the seat
cushion inclination accordingl y.
O Thechild restraint system must not be put
under strain bythe head restraint. Adjust the
head restraints as appropria te.
° When /tting an i‑Size child restraint system,
also obse rveth efo llowing:
O When using a r
When using a r earw
earwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em:
em: adjust the front seat so that it does
not touch thech ild restraint system.
O When using a f
When using a f orw
orwar
ard-f
d-f acing c
acing c hild r
hild res
estrtraint
aint
syst
syst em:
em: remo vethe head restraint from the
re specti veseat, if possible. In addition, the
backrest of thech ild restraint system must
lie as 0at as possible again stthe backrest of
th eve hicle seat.
ATer thech ild restraint system has been
re mo ved, replace the head restraint immedi-
atel y and adjust all head restraints co rrectl y. Before
every journe y,make sure that the ISOFIX
ch ild restraint system or the i‑Size child restraint
system is engaged co rrectly in bo thISOFIX or
i‑Size mounting brac kets. Occupant saf
ety
75
75

*
N
NO
OTE
TE Damage tothe seat belt forthe
cent reseat during ins tallation of thech ild
re straint system #
Makesure that the seat belt is not trap-
ped. #
V
Vehicles wit
ehicles wit h r
h reclining r
eclining r ear seats:
ear seats: before an
ISOFIX or i-Size child restraint system is instal-
led, tilt the backrest of there clining rear seat
back slightl y. #
Fold upholstered lining 1upwards. #
Pull theta b on upholstered lining 1upwards
and position it on the support sur face.
Uphols tere d lining 1will remain folded
upwards. #
Attach the ISOFIX or i‑Size child restraint sys-
te m to both mounting brac kets 2 intheve hi-
cle. #
Toclose, fold upholstered lining 1upwards. #
LiT theta b from the support sur face and slide
it back into the upholstery slot between the
seat backrest and seat cushion. Close the
upholstery 0ap. #
V
Vehicles wit
ehicles wit h r
h reclining r
eclining r ear seats:
ear seats: return the
re clining rear seat backrest toan upright posi-
tion.
The reclining rear seat backrest must be in
contact with thech ild restraint system. F F
ast
ast ening a T
ening a T opTet
op Tether
her &
W
WARNING
ARNING Risk of injury or death from
adjusting the seat aTer /tting a child
re straint system
Ve hicles with elect rically adjus table rear
ben chseats:
The following may occur:
R The TopTe ther belt may sit either too loose
or too tight
R The child restraint system ma y be loose,
incor rectly positioned or damaged and
th en not per form its intended pr otective
function. #
Never adjust the seat aTer thech ild
re straint system has been installed. ¯
Ifth ech ild restraint system is equipped
wi th aTo pTe ther belt:
The risk of injury may be reduced byTo p
Te ther. The TopTe ther belt enables an
additional connection between thech ild
re straint system at tach ed with ISOFIX or
i‑Size and theve hicle. 76
76
Occupant saf
ety

#
If necessar y,slide head restraint 1upwa rds
( / page 132). #
Remo vecover2 ofTopTe ther anchorage
3. #
Fitth e ISOFIX or i‑Size child restraint system
wi th TopTe ther. In doing so, comply with the
ch ild restraint system manufactu rer's installa-
tion inst ructions. #
Guide TopTe ther belt 4under head restraint
1 between the two head restraint ba rs. #
Hook TopTe ther hook 5ofTopTe ther belt
4 into TopTe ther anchorage 3without
twisting. #
Tension TopTe ther belt 4. In doing so, com-
ply with thech ild restraint system manufactu r-
er's installation inst ructions. #
If necessar y,slide head restraint 1down-
wa rds (/ page 132). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 4. V
V
ehicles wit
ehicles wit h r
h rear airbag
ear airbag N
No
ot
tes on t
es on t he suit
he suitability of seats f
ability of seats f or att
or attac
aching belt-
hing belt-
secur
secur ed, ISOFIX and i-Size c
ed, ISOFIX and i-Size c hild r
hild res
estrtraint syst
aint syst ems
ems
LeT
LeT and r
and r ight r
ight r ear seat
ear seat
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
Re ar airbag enabled X
Re ar airbag disabled 1
U, L
W
W eight cat
eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
Re ar airbag enabled X
Re ar airbag disabled 1
U, L W
W
eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
Re ar airbag enabled UF, L
Re ar airbag disabled 1
U, L
W
W eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg
Re ar airbag enabled UF, L
Re ar airbag disabled 1
U, L
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
Re ar airbag disabled 1
U, L
Re ar airbag enabled UF, L
i‑Size c
i‑Size c hild r
hild res
estr
traint syst
aint syst ems (ISO/R2)
ems (ISO/R2)
Re ar airbag disabled 1
i‑U
Re ar airbag enabled X
i‑Size c
i‑Size c hild r
hild res
estr
traint syst
aint syst ems (ISO/F2X,
ems (ISO/F2X,
ISO/B2, ISO/B3)
ISO/B2, ISO/B3)
Re ar airbag disabled 1
i‑U Occupant saf
ety
77 77

Re
ar airbag enabled i‑U
1 The REAR SEAT AIR BAG OFF indicator lamp must be
lit.
X Not suitable forch ildren in this we ight categor y.
U Sui table forch ild restraint systems of the "Universal"
category in this we ight categor y.
L Suitable for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are listed in the
ch ild restraint system manufacturer's vehicle model list.
UF Suitable forfo rw ard-facing child restraint systems of
th e "Universal" category in this we ight categor y.
i-U Suitable forfo rw ard-facing and rear wa rd-facing i-Size
ch ild restraint systems in the "Universal" categor y.V V
ehicles wit
ehicles wit h r
h rear airbag:
ear airbag: when securing a child in
a ch ild restraint system on an ou terre ar seat, it is
essential toobser vethefo llowing inst ructions:
R Only use a child restraint system appro vedby
Mercedes-Benz. R
Obser vethe no tes in "Overview of recommen-
ded child restraint systems" (/ page 69).
R Obser vethe information on there ar airbag
when there ar seat is occupied. (/ page 61).
R Secure a rear wa rd-facing child restraint sys-
te m with the ISOFIX or the i-Sizechild seat
anchor.
R Secure a forw ard-facing child restraint system
wi th th e ISOFIX or the i-Size child seat anchor
and, if present, theTo pTe ther anchorage. N
No
ot
tes on r
es on r earw
earwar
ard-f
d-f acing and f
acing and f orw
orwar
ard-f
d-f acing c
acing c hild
hild
r
r es
estr traint syst
aint syst ems on t
ems on t he
heleT
leT and r
and r ight r
ight r ear seat
ear seat St
icke r visible when there ar door is open
When /tting a child restraint system, there ar air-
bag can be disabled.
If using a f If using a f orw
orwar
ard-f
d-f acing c
acing c hild r
hild res
estr
traint syst
aint syst em
em
wit
wit h enabled r
h enabled r ear airbag:
ear airbag: make surethat the
ch ild's feet are not placed in front of there ar air- 78
78
Occupant saf
ety

X Not suitable
forch ildren in this we ight categor y.
L Suitable for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are listed in the
ch ild restraint system manufacturer's vehicle model list. V
V
ehicles wit
ehicles wit h belt airbags:
h belt airbags: when securing a child
in a child restraint system on an ou terre ar seat, it
is essential toobser vethefo llowing inst ructions:
R Only use a child restraint system appr oved for
Mercedes-Benz.
R Obser vethe no tes in "Overview of recommen-
ded child restraint systems" (/ page 69).
R Secure a rear wa rd-facing child restraint sys-
te m with the ISOFIX or the i-Size child seat
anchor.
R Secure a forw ard-facing child restraint system
wi th th e ISOFIX or the i-Size child seat anchor
and, if present, theTo pTe ther anchorage.
V
V ehicles wit
ehicles wit h a r
h a reclining r
eclining r ear seat
ear seat::th e bottom and
back of a forw ard-facing child restraint system
must ma kefull contact wi th there clining rear seat sitting sur
face and seat backrest. The child
re straint system must not touch thero of. Adjust
th e seat backrest inclination accordingl y.Also
obser vethech ild restraint system manufactu rer's
installation inst ructions.
N
No ot
tes on c
es on c hild r
hild res
estr
traint syst
aint syst ems on t
ems on t he fr
he front
ont
passeng
passeng er seat
er seat
R If it is absolutely necessary foryo uto /t a
ch ild restraint system tothe front passenger
seat, be sure toobser vethe information on
ch ild restraint systems on the front passenger
seat (/ page 83).
R Obser vethe speci/c inst ructions forth ere ar-
wa rd-facing and forw ard-facing child restraint
systems. If the front passenger seat is occu-
pied, ensure, bo thbefore and during the jour-
ne y,that the status of the front passenger air-
bag is cor rect forth e cur rent situation
(/ page 58).
Fr
Fr ont passeng
ont passeng er seat
er seat
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
Fr ont passenger airbag enabled 1
X Fr
ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L 80
80
Occupant saf
ety

Information...........................................
.125
Moving the front passenger seat into
th ech au.eur position........................... .126
Moving the front passenger seat into
th e normal position................................ 130
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .85
Re ar side wind ows................................... 86
Child seat
Child seat, Occupant saf ety
Appro val categories................................. 71
At tach ing (no tes)..................................... .70
Basic instructions.................................... 65
Fr ont passenger seat (no tes).................... 82
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .82
ISOFIX/i-Size (/tting)...............................74
No tes on risks and danger s...................... 66
Re ar airbag............................................. .77
Re commendations forch ild restraint
systems................................................... 69
Seats suitable for belt-secured child
re straint systems..................................... 79
Seats suitable for i‑Size child restraint
systems................................................... 74 Seats suitable
for ISOFIX child
re straint systems..................................... 72
Securing on the co-driver seat..................83
Securing on there ar seat......................... 81
To pTe ther................................................ 76
Childr Childr en
en
Av oiding dangers in theve hicle............... .66
Basic instructions.................................... 65
Chock
Chock, Chock Storage location..................................... 469
City lighting
City lighting.................................................. 174
Climat Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 191
Ac tivating/deactivating (rear operat-
ing unit)................................................. 191
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 192
Ac tivating/deactivating the frag rance
system................................................... 194
Ac tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 193
Air-recirculation mode (with /ne parti-
cle pre/lter)...........................................1 93Au
tomatic control................................. .192
Calling up the air conditioning menu....... 191
Defrost.................................................. 192
Demisting the windscreen
(THERMOTRONIC).................................. 189
Demisting windo ws................................ 193
Fi ne particle status displa y..................... 191
Fr ont air vents........................................ 205
Glo vebox air vent.................................. 207
Immediate pre-entry clima tecont rol....... 200
Information on the windscreen heater.... 196
Inserting/re movingthe 0acon (fra-
gr ance system)...................................... 195
Ionisatio n.............................................. .194
No te...................................................... 189
Pre-entry climate control at depa rture
time....................................................... 198
Pre-entry climate control when the
ve hicle is unloc ked................................. 196
Re ar air vents......................................... 206
Re ar operating unit................................ 190
Re sidual heat......................................... 194
Re sidual heat (rear operating unit)......... .194
Setting (MBUX multimedia system)......... 191
Setting the air distribution
(THERMOTRONIC).................................. 189 596 596
Index

Bad
weather light................................... 174
City lighting........................................... .174
Cornering light....................................... 173
Fo g light (enhanced).............................. 173
Mo torw ay mode.................................... .173
Overview................................................ 172
To pog raphical compensation.................. 174
Int Int er
erior lighting
ior lighting, Lamp, Lighting, Reading
lamp Adjusting............................................... 178
Ambient lighting.................................... .179
Re ading lamp......................................... 178
Switch-o. delay time.............................. 180
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction................................................ 116
Priming/deactivating............................. 117
Ionisation
Ionisation Activating/deactivating (MBUX multi-
media system)....................................... 194
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 72
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 74 J
J
Jack
Jack Declaration of conformity......................... 36
Storage location..................................... 469
Jum Jum p-st
p-st ar
art connection
t connection ,St arting assis tance
Gene ral no tes........................................4 46 K
K
K
K e
ey
y
Ac oustic locking veri/cation signal.......... .89
Battery..................................................... 90
Deacti vating a function............................ 90
Emer gency key......................................... 90
Energy consum ption................................ 90
Fu nction overview.................................... 88
Ke yring attachment................................. 90
Problem................................................... 92
Unlocking setting..................................... 89
KEYLESS-GO KEYLESS-GO Deactivating a function............................ 90
Locking/unlocking theve hicle................. 94
Problem................................................... 95
Unlocking setting.................................... .89Kic Kic
kdo
kdo wn
wn, Acceleration
Using..................................................... 234
Knee airbag
Knee airbag.................................................... 53 L
L
Language
Language, System settings Notes..................................................... 386
Setting................................................... 386
Light adjus
Light adjustment tment
Low beam (d riving abroad).................... .169
Light switch
Light switch Overview................................................ 169
Lights
Lights Active headlamps................................... 172
Ad aptive Highbeam Assist Plu s............... 176
Au tomatic driving lights......................... .170
Bad weather light................................... 174
City lighting........................................... .174
Combination switc h............................... 171
Cornering light....................................... 173
Driving abroad (low beam light adjust-
ment)..................................................... 169
Fo g light (enhanced).............................. 173
Hazard warning lights............................. 172 Index
609 609