2020 MERCEDES-BENZ S-CLASS SALOON LONG Owners Manual

Switching climate control on/off via
there ar
operating unit #
Toswitch on: press button 4.
or #
Set the air flow toleve l 1 or higher using but‐
to ns 3 and 5.
or #
Press buttons 2,6,8orC. #
Toswitch off: press button 4.
or #
Set the air flow toleve l 0 using buttons 3
and 5.
% Ifre ar climate control is swit ched off via but‐
to n4, OFF will be shown on there ar dis‐
pla y. Calling up
the air conditioning menu The air conditioning menu can be called up via
th
e air conditioning line. The air conditioning line
is alw ays shown on the lo wer edge of the cent ral
displa y. #
Select theClimate menu entryinthe air con‐
ditioning line.
The First row of seats menu is opened. Ac
tivating/deactivating the A/C function via
the multimedia sy stem Multimedia sy
stem:
4 Climate menu 5
First row of seats
Depending on theex tern al conditions, impr oved
cooling and dehumidi fication of the interior air
are suppor ted when the A/C function is activa‐
te d. #
Select A/C(A/C). Setting climate control
toautomatic mode In auto
matic mode, the set vehicle interior tem‐
perature is controlled auto matically and main‐
ta ined at a con stant le velby the air supply. #
Press AUTO onthe climate bar on the cent ral
displa y. %
You can inc rease or reduce the air flow by
pressing Konthe climate bar on the mul‐
timedia sy stem. #
Toswitch tomanual ope ration: switch off
au tomatic mode or adju stan aspect of air
distribution, e.g. P. Setting
the air distribution Multimedia sy
stem:
4 Climate menu #
Select First row of seats orSecond row of
seats. #
Toset the air distribution: select ¯,P
or O. #
Set the air flow.
% Several air distribution options can be selec‐
te d at the same time, forex ample toset the
climate control forth e windscreen and the
fo ot we lls simultaneousl y.Ho wever,at least
one zone is alw ays active.
The ¯ climate contro lfo rth e windscreen
can only be selected forth efirs t seat row. 174
Climate cont rol

Setting
thefo ot we lltemp erature Multimedia sy
stem:
4 Climate menu #
Set ^ thefo ot we llte mp erature. Setting
rear climate control (multimedia sys‐
te m) Multimedia sy
stem:
4 Climate menu
Setting thetemp erature #
Select Second row of seats. #
Set thete mp erature.
Setting the airflow #
Select Second row of seats. #
Set the air flow.
Controlling there ar climate control automat‐
ical ly #
Select AUTO. Deacti
vating rear climate control #
Select REAR OFF. Ac
tivating/deactivating the climate control
syn chro nisation function via the multimedia
sy stem Multimedia sy
stem:
4 Climate menu
Climate control can be set cent rally using the
synchronisation function. The driver's settings
fo rte mp erature, air flow and air distribution will
be adop ted automatically for all clima tezones. #
Select First row of seats . #
Select SYNC(SYNC). Demisting the windo
ws Wi
ndo wsmis ted up on the inside #
Press Ãonthe climate bar of the cent ral
displa y. #
Ifth e windo wsremain mis ted up: press ¬
on the climate bar of the cent ral displa y. Wi
ndo wsmis ted up on the outside #
Switch on the windscreen wipers. #
Press theà button. Switching air-recirculation mode on/off
#
Press gonthe climate bar on the cent ral
displa y.
The interior air will be recirculated.
Air-reci rculation mode automatically swit ches to
fresh air mode af ter a while.
% If air-recirculation mode is switched on, the
windo wsmay mist up more quickl y.Switch
on ai r-re circulation mode only brie fly. Switching
residual heat on/off Re
quirements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature must be suf ficiently
high. Clima
tecontrol 175

It is possible
tomake use of there sidual heat
from the engine tocontinue heating or ventilat‐
ing the front compartment of theve hicle for
appr oximately 30 minutes, depending on the
te mp erature set. #
Toswitch on: selectResidual heat onthe
climate bar on the cent ral displa y.
Re sidual heat will be switched off automaticall y.Switching
residual heat on/off via there ar
operating unit Re
quirements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature must be suf ficiently
high.
When there sidual heat of the engine is activated
in there ar compartment, you can heat or venti‐
la te the front and rear compartments for appro x‐
ima tely 15 minutes. #
Press button 4. Ac
tivating/deactivating ionisation Multimedia sy
stem:
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 distribu‐
tion is set tothe side air vent. The function is
re stricted if the side air vents on the driver's
side are closed. Fr
ag rance sy stem Setting
the frag rance sy stem
Re quirements:
R The climate control sy stem is switched on.
R The glove box is closed.
R Aflacon is inser ted. Multimedia sy
stem:
4 Climate menu 5
Air quality
The fragrance sy stem distributes a pleasant fra‐
grance thro ughout theve hicle interior from a fla‐
con located in theglove box. #
Select Air freshener. #
Keep pressing until the desired intensity is
re ached.
Inserting or removing the flacon ofthe fra‐
gr ance sy stem &
WARNING Risk of inju ryfrom liquid per‐
fume
If ch ildren open theflacon, they could drink
th e liquid perfume or it could come into con‐
ta ct wi th theireyes. #
Do not lea vechildren unat tended in the
ve hicle. #
Consult a doctor immediately if liquid
perfume has been drunk. 176
Climate cont rol

#
If liquid perfume comes into contact
with your eyes or skin, rinse your eyes
with clean water. #
If sym ptoms continue, consult a doctor. +
ENVIRONMENTAL
NOTEEnvironmental
dama gedue toimproper disposal of full
fl acons Fu
llflacons must not be disposed
of with household waste. #
Fu
llflacons must be take nto
a harmful subs tance collection point. 1
Cap
2 Flacon #
Toinser t:slide theflacon into the holder as
fa r as it will go. #
Toremo ve:af te r opening theglov e box, wait
fo r appro ximately se ven seconds and pull out
th eflacon. If
yo u do not use genuine Mercedes-Benz interior
pe rfumes, obse rveth e manufacturers' saf ety
notices on the perfume pac kaging.
Dispose of thege nuine Mercedes-Benz interior
pe rfume flacon when it is em pty and do not refill
it.
Re fillable flacon #
Unscr ew the cap of the em ptyflacon. #
Filltheflacon with a maximum of 15ml. #
Screw the cap back on totheflacon.
Alw aysre fill th e em ptyre fillable flacon with the
same perfume. Obser vethe separate informa‐
tion sheet with theflacon. Information on
the windscreen heater &
WARNING Risk of bu rns from touching
th e windscreen when the windscreen
heater is switched on
The windscreen can become very hot when
th e windscreen heater is switched on. Climate control
17 7

The health of persons with limited
temp era‐
ture sensitivity or a limited ability toreact to
high temp eratures may be af fected or they
may even su ffer burn-like injuries. #
Do not touch the windscreen while the
windscreen heater is swit ched on. #
Allow the windscreen tocool down
before touching it. The windsc
reen heater will be enabled automati‐
cally if ¬is activated on the climate bar on
th e cent ral displa y.
Af terth eve hicle is star ted, the windscreen
heater is switched on automatically as required. Pre-ent
ryclimate cont rolfo r depa rture time Pre-entry climate control
for depa rture time
function &
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 bu rns due torepeat‐
edly switching on the seat heating
Re peatedly switching on the seat heating can
cause the seat cushion and seat backrest
padding tobecome very hot.
In particular, the health of persons with limi‐
te dte mp erature sensitivity or a limited ability
to react tohigh temp eratures may be af fec‐
te d or they may even suf fer burn-like injuries. #
Do not repeatedly switch on the seat
heating. To
protect against overheating, the seat heating
may be temp orarily deactivated af ter it is
switched on repeatedly.
% This function is available on ly invehicles
with a 48 V on-board electrical sy stem (EQ
Boost tech nology).
The air inside theve hicle can be heated, ventila‐
te d or cooled tothe set temp erature when the
ve hicle is par ked.
When theve hicle is connected topowe r supply
equipment, priority is given tocharging the 48 V
battery toa specified minimum charge.
The running time of pre-entry clima tecontrol
may be reduced under thefo llowing conditions:
R The vehicle is not connected topowe r supp ly
equipment.
R The 48 V battery is not fully charge d.
Wi th active pre-ent ryclimate control, thech arge
le ve l of the 48 V battery may be reduced, even if
th ech arging cable connec tor is connected. 17 8
Climate cont rol

If present, seat
ventilation is acti vated in cooling
and ventilation mode.
If present, thefo llowing functions are activated
in heating mode:
R Seat heating
R Steering wheel heater
R Panel heating
R Mirror heater
R Rear wind owheater
R Windsc reen heater
When the set temp erature is changed, climate
control mode will automatically be updated and
swit ched from heating mode toventilation or
cooling mode, from cooling mode toventilation
or heating mode or from ventilation mode to
heating or cooling mode. Setting pre-entry climate control
for depar‐
ture time
Multimedia sy stem:
4 Climate menu 5
Pre-entry climate ctrl
Setting a single depa rture time #
Select the pen icon next toDeparture time . #
Select or set a depa rture time and press OK
to confirm.
Setting the week profile #
Select the pen icon next toDeparture time . #
Set the desired departure time, e.g. every
day at 08:00, and mark as Weekly profile. #
Press OKtoconfirm.
Selecting seats #
Select Driver,Passenger, Rear leftorRear
right.
Pre-entry climate control will take place for
th e selected seats. Ac
tivating/deactivating pre-entry climate
control for depa rture time
Re quirements:
R The 48 V battery is charge d suf ficientl y.
R The function has been activated via the mul‐
timedia sy stem. #
Toactivate: setthe departure time
(/ page 179).
Pre-en try clima tecontrol for depa rture time
swit ches on a maximum of 55 minutes
before the selected departure time. It will
re main active for ano ther five minutes if the
departure is dela yed. #
Todeactivate: pushthe& button up or
down.
If present, thefo llowing functions will remain
active once theve hicle has been star ted:
R Seat heating
R Seat ventilation
R Panel heating Clima
tecontrol 17 9

Ac
tivating/deactivating immediate pre-entry
climate control &
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 bu rns due torepeat‐
edly switching on the seat heating
Re peatedly switching on the seat heating can
cause the seat cushion and seat backrest
padding tobecome very hot.
In particular, the health of persons with limi‐
te dte mp erature sensitivity or a limited ability
to react tohigh temp eratures may be af fec‐
te d or they may even suf fer burn-like injuries. #
Do not repeatedly switch on the seat
heating. To
protect against overheating, the seat heating
may be temp orarily deactivated af ter it is
switched on repeatedly.
% Immediate pre-entry climate control is avail‐
able on ly invehicles with a 48 V on-board
electrical sy stem (EQ Boost tech nology).
Air conditioning of theve hicle interior can con‐
tinue for up to50 minutes, e.g. if the journey is
inter rupte d. #
Set thete mp erature using the w arrows
on the climate bar on the cent ral displa y. #
Press button 1.
The red or blue indicator lamp on button 1
will light up or go out.
The colours of the indicator lamp ha vethefo l‐
lowing meanings:
R Blue: stationary ventilation is switched on. 18 0
Climate cont rol

R
Red:thest ationary heater is swit ched on.
R Yello w: the departure time is preselected. St
ationary heater/ventilation St
ationary heater/ventilation function
R The air inside theve hicle is heated or ventila‐
te dto the set temp erature.
R The air inside theve hicle cannot be cooled
down totemp eratures below the outside
te mp erature.
R Ifth e outside temp erature changes, ventila‐
tion mode au tomatical lyswitches toheating
mode or heating mode automatically
switches toventilation mode.
The stationary heater and theex haust gas outlet
are situated behind theright-hand front wheel. Switching
thest ationary heater/ventilation
on/off via the operating unit &
DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case in enclosed spaces or if
th eve hicle gets stuck in sn ow,fo rex ample. #
Alw ays switch thest ationary heater off
in enclosed spaces without an air
ex traction sy stems, e.g. in garage s. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning. #
Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air. &
WARNING Risk offire due tohot station‐
ary heater components and exhaust
ga ses
Flammable materials such as lea ves, grass or
twigs may ignite. #
When thest ationary heater is swit ched
on, make sure that:
R hot vehicle parts do not come into
contact with flammable materials.
R theex haust gas can flow out of the
st ationary heater exhaust pipe
unhindered.
R theex haust gas does not come into
contact with flammable materials. *
NO
TEBattery discharge caused bysta‐
tionary heater or stationary ventilation
operation Ope
rating thest ationary heater or stationary
ve ntilation drains the batter y. #
After heating or ventilating theve hicle
twice, drive for a longer period of time. Climate control
181