MERCEDES-BENZ S-CLASS SALOON LONG 2021 Owners Manual

Infr
Infr
ar
ared-r
ed-r e0ective
e0ective windscr
windscreen function
een function
The infrared-re0ective windscreen is coated and
re duces the build-up of heat in theve hicle interior.
The coating shields theve hicle interior from radio
wa ves. 188 188
Light and sight

Ov
Ov
er
ervie
vie w of climat
w of climat e contr
e control syst
ol systems
ems N
No
ot
tes on climat
es on climat e contr
e control
ol An interior air /lter in combination with
the pre/l-
ter inthe engine compartment must alw ays be
used so that the air conditioning system, pollution
le ve l monitoring and the air /lt ration workcor-
re ctl y.Use /lters recommended and appr oved by
Mercedes-Benz. Alw ays ha vemaintenance work
car ried out at a quali/ed specialist workshop. Ov
Ov
er
ervie
vie w of THERMO
w of THERMO TR
TRONIC climat
ONIC climat e bar
e bar The indicator lamps indicate
that the cor respond-
ing function is activated. Fr
ont climate bar on the central display
(e xamp le)
1 s Increases thete mp erature
2 Upper display area of the climate bar with the
ex amples of jswitching o. climate con-
trol (/ page 191), ¿switching the A/C
function on/o. (/ page 192) and0syn-
ch ronisation function (/ page 193) 3
¬ Demists the windscreen
(/ page 192, 196)
4 g Switches air-recirculation mode on/o.
(/ page 193) or
G Calls up the particulate status display
(/ page 191) or
Ac tivates/deactiva tesre sidual heat utilisation
(/ page 194)
Plug-in hybrid vehicles: &Activates or
deactivates pre-entry climate control
(/ page 200)
5 ¤ Switches there ar wind owheater on/o.
6 Depending on vehicle equipment and set-
tings: temp erature displa y,defrost function
displa y,air0o w,pre-ent ryclimate cont rol or
auxiliary heating
7 J Increases the air0ow or switches on cli-
mate control (/ page 191)
8 r Reduces thete mp erature
9 Ã Sets climate control toautomatic mode,
ri ght (/ page 192)
A ± Calls up the air conditioning menu
(/ page 191) Climate control
189 189

B
à Sets climate control toautomatic mode,
leT (/ page 192)
C I Reduces the air0ow or switches o. cli-
mate control (/ page 191)
% The climate bar is visible even when theve hi-
cle is par ked or the air conditioning is
switched o. (/ page 191).
% The availability of individual functions is coun-
try and equipment-dependent.
% Vehicles with Dis tance Assist DISTRONIC: if
Distance Assist DISTRONIC inter venes, the
climate bar display on the central display will
be reduced. Ov
Ov
er
ervie
vie w of t
w of t he r
he rear oper
ear oper ating unit
ating unit 1
Sets air dist ribution tothe centre and side air
ve nts in there ar passen ger compartment, leT
2 Sets thete mp erature in there ar passen ger
compartment, leT
3 Sets the air0ow in there ar passen ger com-
partment, leT, or switches climate control
on/o. (/ page 191) 4
Switches climate control on/o.
(/ page 191)
or switches residual heat on/o.
(/ page 194)
5 Sets the air0ow in there ar passen ger com-
partment, right, or switches climate control
on/o. (/ page 191)
6 Sets thete mp erature in there ar passen ger
compartment, right
7 Sets air distribution tothe centre and side air
ve nts in there ar passen ger compartment,
ri ght
8 Sets rear climate cont rolto automatic mode,
ri ght
9 Sets the air distribution totheright rear foot-
we llve nts
A Synchronisation is activated (/ page 193)
B Sets the air distribution tothere ar leT foot-
we llve nts
C Sets rear climate cont rolto automatic mode,
leT
The settings forth e second row of seats can be
con/gured via there ar operating unit, the multi- 190 190
Climate control

media system (/
page 193) orthe MBUX rear
ta blet depending on theve hicle's equipment. Oper
Oper
ating t
ating t he climat
he climat e contr
e control syst
ol system
em Switc
Switc
hing climat
hing climat e contr
e control
olon/o.
on/o. Switc
Switc
hing on climat
hing on climat e contr
e control
ol #
Set the air0ow toleve l 1 or higher via Jon
th e climate bar on the central display
or #
Press Ã, s,ror±.
Switc
Switc hing
hingo.
o.climat
climat e contr
e contr ol
ol #
Set the air0ow toleve l 0 via Ionthe cli-
mate bar on the central display
or #
Press j.
If climate control is switched o., the windo ws
may mist up more quickl y.Switch climate control
o. only brie0 y.
% Ifth e climate control is switched o. via
j, OFF OFFwill be shown on the climate bar. Switc
Switc
hing climat
hing climat e contr
e control
olon/o.
on/o. via t
via the r
he rear oper-
ear oper-
ating unit
ating unit Switc
Switc
hing on
hing on #
Press button 4.
or #
Set the air0ow toleve l 1 or higher using but-
to ns 3 and 5.
or #
Press buttons 2,6,8orC.
Switc
Switc hing
hingo.
o. #
Press button 4.
or #
Set the air0ow toleve l 0 using buttons 3and
5.
% Ifre ar climate cont rol is switched o. via but-
to n4, OFF OFF will be show n onthere ar displ ay. Calling up t
Calling up t
he air conditioning menu using t
he air conditioning menu using t he cli-
he cli-
mat
mat e bar
e bar The air conditioning menu can be called up via
the
air conditioning line. The air conditioning line is alw
ays shown on the lo wer edge of the central
displa y. #
Select theClimate menu entry inthe air con-
ditioning line.
The First row of seats menu is opened.
Jum Jum ping dir
ping dir ectl
ectly t
y to t
o t he
he Air quality menu
menu #
Select theG /ne particle status display in
th e climate bar.
The Air quality menu is opened. An animation
of the automatic air cleaning taking place is
shown.
% The /ne particle status displ ayis on the home
screen next tothete mp erature display on the
ri ght and it informs you of the cur rent particu-
late le vels inside and outside of theve hicle.
The measurement values are shown with the
µg/m 3
units (microg rammes per cubic
metre).
St rong acceleration aTer longer parking periods
will lead toa de tach ment of the dust co vering the
ve hicle. This dust measured bythe PM2.5 sensor
might lead toa short rise of outside values. Climate control
191
191

Defr
Defr
os
osting tting t he windscr
he windscr een via t
een via the climat
he climat e bar
e bar Switc
Switc
hing on
hing on #
Press ¬onthe climate bar on the central
displa y.
Switc
Switc hing
hingo.
o. #
Press ¬, Ãorj onthe climate bar
on the central display
or #
set the air0ow to0.
% When the defrost function is activated, some
functions (e.g. thete mp erature setting) are
automatically deactivated. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the A/C function via t
he A/C function via t he
he
multimedia syst
multimedia syst em
emMultimedia system:
4 Climate menu 5
First row of seats
Depending on theex tern al conditions, impr oved
cooling and dehumidi/cation of the interior air are
suppor ted when the A/C function is activated. #
Select A/C(A/C). Se
Se
tting climat
tting climat e contr
e control t
ol to aut
o aut omatic mode via t
omatic mode via t he
he
climat
climat e bar
e bar In automatic mode,
the set vehicle interior tem-
perature is controlled automatically and main-
ta ined at a constant le velby the air suppl y. #
Press AUTO onthe climate bar on the central
displa y.
% You can increase or reduce the air0ow by
pressing Konthe climate bar on the cen-
tral displa y. #
T To switc
o switc h t
h to manual oper
o manual oper ation:
ation:switch o.
automatic mode or adjust an aspect of air dis-
tribution, e.g. P. Se Se
tting air dis
tting air distr tribution using t
ibution using t he air conditioning
he air conditioning
menu
menu Multimedia system:
4 Climate menu #
Select First row of seats orSecond row of
seats. #
Toset the air distribution: select ¯,P
or O. #
Set the air0o w.
% When the air conditioning system is switched
on, at least one zone is alw ays active. Ho w-
ev er, se veral air distribution options can be
selected at the same time, forex ample toset
th e climate control forth e interior and the
fo ot we lls simultaneousl y.The windsc reen air
conditioning ¯can only be selected for
th e /r st ro w of seats. When automatic mode
is active, the buttons for setting the air distri-
bution are automatically deactivated. When
th e air conditioning system is switched o.,
th e buttons remain operable and the last set-
ting is sa ved. Se Se
tting t
tting t he f
he foo
ootw
twell t
ell t em
emper
per ature
ature Multimedia system:
4 Climate menu #
Select ^and set the desired foot we llte m-
perature using the slider. 192
192
Climate control

Se
Se
tting r
tting r ear climat
ear climat e contr
e control using tol using t he air condi-
he air condi-
tioning menu
tioning menu Multimedia system:
4 Climate menu
Se
Se tting t
tting t he t
he tem
emper
per ature
ature #
Select Second row of seats. #
Set thete mp erature.
Se
Se tting t
tting t he
heair0ow
air0ow #
Select Second row of seats. #
Set the air 0ow with sorr.
Contr
Contr olling t
olling t he r
he rear climat
ear climat e contr
e control aut
ol automatically
omatically #
Select AUTO.
% When the defrost function is activated, some
functions (e.g. thete mp erature setting) are
automatically deactivated. Todeactivate the
defrost function, either press ¬,Ã
or j or set the air volume toleve l 0
(/ page 192).
Deactiv
Deactiv ating r
ating rear climat
ear climat e contr
e control
ol #
Select REAR OFF. Switc
Switc
hing t
hing t he sync
he sync hr
hronisation function
onisation function on/o.
on/o.via
via
t
t he air conditioning menu
he air conditioning menu Multimedia system:
4 Climate menu
Climate control can be set centrally using the syn-
ch ronisation function. The driver's settings for
te mp erature, air0ow and air distribution will be
adop ted automatically for all climate zones. #
Select First row of seats. #
Select SYNC(SYNC). Demis
Demisting t
ting the windo ws
he wind ows W
W
indow
indow s mist
s mist ed up on t
ed up on t he inside
he inside #
Press Ãonthe climate bar on the central
displa y. #
Ifth e windo wsremain misted up: press ¬
on the climate bar on the central displa y.
W
W indow
indow s mist
s mist ed up on t
ed up on t he outside
he outside #
Switch on the windscreen wipers. #
Press Ãonthe climate bar on the central
displa y. Switc
Switc
hing air
hing air -r
-recir
ecirculation mode culation mode on/o.
on/o. #
Press gonthe climate bar on the central
displa y.
The interior air will be recirculated.
Air-recirculation mode will automatical lyswitch to
fresh air mode aTer a while.
% If air-re circulation mode is switched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc Switc
hing air
hing air -r
-recir
ecir culation mode
culation mode on/o.
on/o.via t
via the
he
multimedia syst
multimedia syst em
em R
R
eq
eq uir
uir ements:
ements:
R Vehicles with /ne particle pre/lter
Multimedia system: 4 Climate menu 5
Air quality #
Press gonthe upper display area of the
climate bar.
The interior air will be recirculated.
Air-recirculation mode will automatical lyswitch to
fresh air mode aTer a while. Clima
tecont rol
193
193

%
If air-recirculation mode is swit ched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc
Switc
hing r
hing r esidual heat mode
esidual heat mode on/o.
on/o.via t
via the cli-
he cli-
mat
mat e bar
e bar R
R
eq
eq uir
uir ements:
ements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature is su1ciently high.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilating
th e front compartment of theve hicle for appr ox-
imately 30 minutes, depending on thete mp era-
ture set. #
T
To switc
o switc h on or
h on or o.:
o.:select Residual heat on
th e climate bar of the central displa y.
The residual heat function automatically switches
o. aTer some time.
% Ifre sidual engine heat utilisation is activated,
th e two buttons for setting thete mp erature and air distribution are automatically deactiva-
te
d. Switc Switc
hing r
hing r esidual heat
esidual heat on/o.
on/o.via t
via the r
he rear oper
ear oper at-
at-
ing unit
ing unit R
R
eq
eq uir
uir ements:
ements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature must be su1ciently
high.
When there sidual heat of the engine is activated
in there ar compartment, you can heat or ventila te
th e front and rear compartments for appr ox-
imately 15 minutes. #
Press button Ì. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating ionisation
ating ionisation Multimedia system:
4 Climate menu 5
Air quality
Ionisation impr ovesth equ ality of theve hicle's
interior air. Ionisation of the interior air is odour-
less. #
Select Ionisation.
% The function can only be per form ed if the
AU TO mode is activated or the air distribution
is set tothe side air vent. The function is
re stric ted if the side air vents on the driver's
side are closed. F
F
r
ragr
agr ance syst
ance syst em
em A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the fr
he fragr
agrance syst
ance syst em
em
using t
using t he multimedia syst
he multimedia syst em
em
R
R eq
eq uir
uir ements:
ements:
R Automatic climate control is activated.
R The glo vecompartment is closed.
R A 0acon is inser ted. 194
194
Climate control

Multimedia system:
4 Climate menu 5
Air quality
The frag rance system distributes a pleasant fra-
gr ance thro ughout theve hicle interior from a 0a-
con located in the glo vebox. #
Navigate down until the climate control bar is
active. #
Select Air freshener. #
Activate or deactivate frag rancing.
Se
Se tting t
tting t he fr
he fragr
agrance syst
ance syst em using t
em using t he multimedia
he multimedia
syst
syst em
em
R
R eq
eq uir
uir ements:
ements:
R A 0acon is insert ed.
R The glo vecompartment is closed.
R Climate cont rol is activated.
Multimedia system: 4 Climate menu 5
Air quality
The frag rance system distributes a pleasant fra-
gr ance thro ughout theve hicle interior from a 0a-
con located in the glo vecompartment. #
Select Air freshener. #
Keep pressing until the desired intensity is
re ached.
Inser
Inser ting or r
ting or r emo
emoving t
ving t he
he0acon
0acon of t
of the fr
he fr agr
agrance
ance
syst
syst em
em &
W
WARNING
ARNING Risk of injury from liquid per-
fume
If ch ildren open the 0acon, they could drink
th e liquid perfume or it could come into con-
ta ct with their eyes. #
Do not lea vechildren unattended in the
ve hicle. #
Consult a doctor immediately if liquid
perfume has been drunk. #
If liquid perfume comes into contact with
your eyes or skin, rinse your eyes with
clean water. #
If sym ptoms continue, consult a doctor. +
ENVIR ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
damage due toimproper disposal of full
0acons Fu
ll 0acons must not be disposed of
with household waste. #
Fu
ll 0acons must be take nto a
harmful subs tance collection point. Climate cont
rol
195
195

1
Cap
2 Flacon #
T
To insert
o insert: :slide the 0acon into the holder as far
as it will go. #
T
To r
o r emov
emov e:
e:aTer opening the glo vebox, wait
fo r appr oximately se ven seconds and pull out
th e 0acon. If
yo u do not use genuine Mercedes-Benz interior
perfumes, obser vethe manufacturers' saf ety noti-
ces on the perfume pac kaging.
Dispose of thege nuine Mercedes-Benz interior
perfume 0acon when it is empt y and do notre/ll
it.
R R e/llable
e/llable 0acon
0acon #
Unscr ewthe cap of the em pty 0acon. #
Fillth e 0acon with a maximum of 15 ml. #
Screw the cap back on tothe 0acon.
Alw aysre /ll the em ptyre /llabl e0acon with the
same perfume. Obser vethe separate information
sheet with the 0acon. Inf
Inf
or
ormation on t
mation on t he windscr
he windscreen heat
een heater
er &
W
WARNING
ARNING Risk of burns from touching the
windscreen when the windscreen heater
is switched on
The windscreen can become very hot when
th e windscreen heater is switched on. The health of persons with limited
temp erature
sensitivity or a limited ability toreact tohigh
te mp eratures may be a.ected or they may
eve n su.er burn-like injuries. #
Do not touch the windscreen while the
windscreen heater is switched on. #
Allow the windscreen tocool down
before touching it. The windscreen heater will be enabled automati-
cally if
¬is activated on the climate bar on the
cent ral displa y.
ATer theve hicle is star ted, the windscreen heater
will be switched on automatically as requ ired. Pr Pr
e-entr
e-entr y climat
y climat e contr
e control when t
ol when t he v
he vehicle is
ehicle is
unlock
unlock ed
ed F
F
unction of pr
unction of pr e-entr
e-entry climat
y climat e contr
e control when t
ol when t he
he
v
v ehicle is unlock
ehicle is unlock ed
ed
The seats can be brie0y pre-warmed or pre-
cooled before youget into theve hicle. 196 196
Climate cont
rol

Depending on
theve hicle's equipment, thefo llo w-
ing functions will be activated as needed during
pre-cooling:
R Automatic climate control
R Blower
R Seat ventilation
Depending on theve hicle's equipment, thefo llo w-
ing functions will be activated as needed during
pre-warming:
R Automatic climate control
R Blower
R Seat heating
R Steering wheel heater
R Panel heating
R Mirror heater
R Rear wind owheater
R Windsc reen heater Depending on
theve hicle's equipment, thefo llo w-
ing functions will also be adjusted during pre-
entry climate control if they have already been
switched on during regular vehicle operation:
R Frag rancing
R Ionisation
Se Se tting t
tting t he pr
he pre-entr
e-entr y climat
y climat e contr
e control on t
ol on the multi-
he multi-
media syst
media syst em when t
em when the v
he vehicle is unlock
ehicle is unlock ed
ed
Multimedia system:
4 Climate menu 5
Pre-entry climate ctrl #
Switch the function on or o..
Yo u can specify for which seat the function should
be switched on or o. via the seat selection.
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating pr
ating pre-entr
e-entry climat
y climat e contr
e control
ol
when t
when t he v
he vehicle is unlock
ehicle is unlock ed
ed
R
R eq
eq uir
uir ements:
ements:
R The high-voltage battery is charge d su1-
cient ly.
R The function has been activated via the multi-
media system. #
T
To switc
o switc h on:
h on:unlock theve hicle.
The climate cont rol functions are activated for
up to/ve minutes for pre-heating and pre-
cooling.
Pre-entry climate control when theve hicle is
unloc ked cannot be activated more than twice
when theve hicle is switched o.. #
T
To switc
o switc h
ho.:
o.: press &onthe climate bar
on the central displa y.
Depending on theve hicle equipment, thefo llo w-
ing functions will remain active once theve hicle
has been star ted:
R Seat heating
R Seat ventilation
R Panel heating
R Frag rancing
R Ionisation Climate cont
rol
197
197