2020 MERCEDES-BENZ S-CLASS SALOON LONG Owners Manual

R
Only use a child restra int sy stem appr oved
by Mercedes-Benz.
R Obser vethe no tes in "Overview of recom‐
mended child restra int sy stems"
(/ page 60).
R Secure a rear wa rd-facing child restra int sys‐
te m with the ISOFIX or the i-Size child
re stra int sy stem.
R Secure a forw ard-facing child restra int sys‐
te m with the ISOFIX or the i-Size child
re stra int sy stem and, if present, theTo p
Te ther anchorage.
Note s onchild restra int sy stems on the front
passenger seat R If it is absolutely necessary foryo uto fit a
ch ild restra int sy stem tothe front passenger
seat, be sure toobser vethe information on
ch ild restra int sy stems on the front
passenger seat (/ page73).
R Obse rveth e specific instructions forthe
re ar wa rd-f acing and forw ard-facing child
re stra int sy stems. If the front passenger seat
is occupied, ensure, bo thbefore and during
th e journe y,that thest atus of the front passenger airbag is cor
rect forth e cur rent
situation (/ page 52).
Fr ont passenger seat
We ight category 0: up to10 kg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L
We ight category 0+: up to13 kg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L
We ight category I: 9 to18 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
We ight category II: 15to25 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L We
ight category III: 22 to36 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
1 Ad just the seat cushion inclination so that the front
edge of the seat cushion is in the highest position and
th ere ar edge of the seat cushion is in the lo west posi‐
tion.
2 The vehicle is equipped with automatic front
passenger airbag shutoff. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
X Not suitable forch ildren in this we ight categor y.
U Suitable forch ild restra int sy stems of the "Univer‐
sal" category in this we ight categor y. 70
Occupant saf ety

L Suitable
for semi-universal child restra int sy stems
according totheta ble in "Recommended child
re stra int sy stems", or if theve hicle and the seat are
lis ted in thech ild restrai nt sy stem manufacturer's
ve hicle model list.
UF Suitable forfo rw ard-facing child restra int sy stems
of the "Universal" category in this we ight categor y. Securing
thech ild restra int sy stem with the
seat belt on there ar seat
When fitting a belt-secured child restra int
sy stem, obser vethefo llowing:
O Alw
ays comply with the manufacturer's
ins tallation and operating instructions for
th ech ild restra int sy stem used.
O Fo
r a child restra int sy stem in the "Univer‐
sal" or "Semi-Universal" categor y,make
sure that the sy stem has been appr oved for
th eve hicle seat.
Obser vethe no tes under "Suitability of
seats for attaching belt-secu redch ild
re stra int sy stems" (/ page 69). O
When using a
weight category 0/0+
baby car seat and a weight category I
re ar wa rd-facing child restra int sy stem
on a rear seat: adjustthe front seat so that
th e seat does not touch thech ild restra int
sy stem.
O When using a
weight category I forw ard-
fa cing child restra int sy stem: remo vethe
head restra int from there spective seat, if
possible.
Af terth ech ild restra int sy stem has been
re mo ved, replace the head restra ints again
immediately and adjust them cor rectly.
O The ba
ckrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of there ar
seat.
O If
th e head restra int of thech ild seat cannot
be fully extended when it is ins talled in the
ve hicle, this will result in restrictions on the
maximum size setting forch ild restra int sys‐
te ms in weight category 2 or 3.
Contact with thero of when the head
re stra int is fully extended and lo cked in place will not
result in any restrictions on
use.
O The
child restra int sy stem must not be put
under stra in between thero of and the seat
cushion and/or be fitted facing the wrong
direction. Where possible, adjust the seat
cushion inclination accordingly.
O The
child restra int sy stem must not be put
under stra in by the head restra int. Adjust
th e head restra ints as appropriate.
O Make sure
that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat slightly forw ards. #
Install 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
re ar seat. #
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem.
The shoulder belt stra p must be routed
fo rw ard from the seat belt outlet. Occupant saf
ety71

Note
s onvehicles without automatic front
passen ger airbag shu toff St
icke r visible when the front passenger door
is open
Ve hicles without automatic front passenger air‐
bag shutoff ha vea special sticke r af fixe dto the
side of the cockpit on the front passenger side. Make sure
you obse rveth efo llowing informa‐
tion:
R Neverfit a rear wa rd-facing child restra int
sy stem tothe front passenger seat
R Alw aysfit a rear wa rd-facing child restra int
sy stem toa suitable rear seat
- Suitability of seats for attaching belt-
secured child restra int sy stems
(/ page 69)
- Secure thech ild restra int sy stem with the
seat belt on there ar seat (/ page71).
R Notes on rear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat (/ page72) Note
s onrear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat &
WARNING Risk of inju ryor death when
using a rear wa rd-facing child restra int
sy stem while the front passenger airbag
is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger
seat and thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger airbag
can deploy in theev ent of an accident.
The child could be stru ck bythe airbag.
Alw ays ensure that the front passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat with an ENABLED FRONT
AIRB AG. This can result in the DEAT H of or
SERIOUS INJU RYtotheCH ILD. 72
Occupant saf ety

Obser
vethe specific instructions forth ere ar‐
wa rd-facing and forw ard-facing child restra int
sy stems (/ page73). Wa
rning notice on the front passenger sun visor
Alw ays obser vethest atus of the front passenger
airbag on thePA SSENGER AIR BAG OFF indica‐
to r lamp:
R If it is absolutely necessary tofit a child
re stra int sy stem tothe front passenger seat,
alw ays obser vethe information on automatic
front passenger airbag shutoff (/ page 50).
R When using a rear wa rd-facing child restra int
sy stem on the front passenger seat, the front passenger airbag must alw
ays be disabled.
This is only the case if thePA SSENGER AIR
BA G OFF indicator lamp is lit continuously
(/ page 52).
R Ifth ePA SSENGER AIR BAG OFF indicator
lamp is off, the front passenger airbag is ena‐
bled. The front passenger airbag may deploy
during an accident.
Securing thech ild restra int sy stem with the
seat belt on the front passenger seat
When fitting a belt-secu redch ild restra int sys‐
te m on the front passenger seat, alw ays obser ve
th efo llowing:
O Obser
vethe no tes on rear wa rd-facing and
fo rw ard-facing child restra int sy stems on
th e front passenger seat (/ page72).
O Obser
vethech ild restra int sy stem manufac‐
turer's ins tallation and operating instruc‐
tions.
O Fo
r a child restra int sy stem in the "Univer‐
sal" or "Semi-Universal" categor y,make
sure that the sy stem has been appr ovedfor
th eve hicle seat. Obser
vethe no tes under "Suitability of
seats for attaching belt-secu redch ild
re stra int sy stems" (/ page 69).
O When using a
forw ard-facing child restra int
sy stem in weight category I: remo vethe
head restra int from there spective seat, if
possible.
Af terth ech ild restra int sy stem has been
re mo ved, replace the head restra ints again
immediately and adjust them cor rectl y.
O The backrest of
thefo 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.
O If
th e head restra int of thech ild seat cannot
be fully extended when it is ins talled in the
ve hicle, this will result in restrictions on the
maximum size setting forch ild restra int sys‐
te ms in weight category II or III.
Contact with thero of when the head
re stra int is fully extended and lo cked in
place will not result in any restrictions on
use. Occupant saf
ety73

O
The
child restra int sy stem must not be put
under stra in between thero of and the seat
cushion and/or be fitted facing the wrong
direction.
O The
child restra int sy stem must not be put
under stra in by the head restra int. Adjust
th e head restra ints as appropriate.
O Ne
ver place objects (e.g. cushions) under or
behind thech ild restra int sy stem. #
Set the front passenger seat as far back as
possible and mo vethe seat into the highest
position if possible. #
Fully retract the seat cushion length adjust‐
ment. #
Adjust the seat cushion inclination so that
th e front edge of the seat cushion is in the
highest position and there ar edge of the
seat cushion is in the lo west position. #
Set the seat backrest tothe most vertical
position possible. #
Installth ech 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. #
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem.
The shoulder belt stra p must be routed for‐
wa rds and down wards from the seat belt out‐
let. #
If necessar y,adjust the seat belt outlet and
th e front passenger seat according ly. Child saf
ety loc ks Ac
tivating/deactivating the child saf ety lock
fo r the rear doors &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unsupervised in theve hi‐
cle, they could, in pa rticular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. 74
Occupant saf ety

#
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of reach of
ch ildren. &
WARNING Dangertolife due toexpo‐
sure toextreme heat or cold in theve hi‐
cle
If people, particularly children, are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious
injury or danger tolife. #
Never lea vepersons, children in partic‐
ular, unat tended in theve hicle. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are tra velling in theve hicle, they
could, in pa rticular:
R open doors, thereby endangering other
persons or road users
R get out and be stru ck byoncoming traf fic
R operate vehicle equipment and become
trapped, forex ample #
Alw ays activate thech ild saf ety loc ks
ins talled if children are tra velling in the
ve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. There are
child saf ety loc ksforth ere ar doors
and there ar side wind ows. Ve
hicles forth eUni ted Kingdom: obser vethe
impor tant sa fety no tes in the "No tes on the addi‐
tional door lock" section.
The child saf ety lock on there ar doors secures
each door separatel y.The doors can no longer
be opened from the inside. #
Press the le ver in direction 1(activate) or
2 (deactivate). Occupant saf
ety75

#
Make sure that thech ild saf ety loc ksare
wo rking properly.
Ac tivating/deactivating the child saf ety lock
fo r the rear side windo ws #
Toactivate/deacti vate:press button 2.
The rear side wind owcan be opened or
closed as follo ws:
R indicator lamp 1is lit: via the switch on
th e driver's door
R indicator lamp 1is off: via the switch on
th e cor responding rear door or driver's
door
When thech ild saf ety lock is activated, the con‐
trols in there ar compartment are disabled for:
R there ar side wind ows
R the adjustment of the front passenger seat
from there ar compartment
R thero ller sunblinds:
- ofthere ar side wind ows
- ofthere ar wind ow
- inthero of Note
s on pets in theve hicle &
WARNING Risk of accident and inju ry
due toanimals left unsecured or unat‐
te nded in theve hicle
If yo u lea veanimals in theve hicle unatten‐
ded or unsecured, they could press buttons
or switches, for ins tance.
An animal may:
R acti vate ve hicle equipment and become
trapped, forex ample
R swit chsystems on or off and endanger
ot her road users
Un secured animals may be throw n about the
ve hicle in theev ent of an accident, or sudden
st eering and braking manoeuvres, and injure
ve hicle occupants. #
Never lea veanimals unat tended in the
ve hicle. #
Alw ays cor rectly secu reanimals while
driving, e.g. using a suitable animal car‐
ri er. 76
Occupant saf ety

Key
Overview of
key functions &
WARNING Risk of accident and inju ry
due toleaving children unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could, in pa rticular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. Ve
hicle key
1 Indicator lamp
2 Locks 3
Unloc ks(with embossed sur face)
4 Opens/closes the boot lid
% If indicator lamp 1does not light up af ter
pressing theÜ ors button, the bat‐
te ry iswe ak or possibly dischar ged. Re place
th e battery as soon as possible.
Re place theke y bat tery ( / page 79).
The key loc ksand unlo cksth efo llowing compo‐
nents:
R doors
R fuel filler flap
R boot lid
If th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto get her with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y. Opening and closing
77