2020 MERCEDES-BENZ S-CLASS SALOON LONG air conditioning

Overview of climate control sy
stems Note
s on climate control An interior air
filter in combination with the pre‐
fi lter in the engine compartment must alw ays be
used so that the air conditioning sy stem, pollu‐
tion le vel monitoring and the air filtration work
cor rectl y.Make sure that thefilter is ins talled
cor rectly and thefilter housing in the engine
compartment is closed cor rectly using the cap
and alw ays tightly sealed when in operation. Use
fi lters recommended and appr ovedby
Mercedes-Benz. Alw ays ha veservice workcar‐
ri ed out at a qualified specialist workshop. Overview of
the THERM OTRO NIC air condi‐
tioning control panel 1
s Increases thete mp erature
2 0 Switches the synchronisation function
on/off (/ page175)
3 Switches clima
tecontrol on/off
(/ page 173)
4 ¿ Switches the A/C function on/off
(/ page 174) 5
¬ Demists the windscreen
6 g Switches air-recirculation mode on/off
(/ page 175)
7 ¤ Switches there ar wind owheater
on/off
8 J Increases the air flow or switches on
climate contro l (/page 173)
9 r Reduces thete mp erature
A Ã Sets climate control toautomatic
mode, right (/ page174)
B ± Calls up the air conditioning menu
(/ page 174)
C Ã Sets clima tecontrol toautomatic
mode, left (/ page174)
D I Reduces the air flow or switches off cli‐
mate contro l(/ page 173) 17 2
Climate cont rol

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

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

#
Make sure that when the position of
driver's seat is being adjus ted using the
multimedia sy stem, no people or body
parts are in the seat's range of mo ve‐
ment.
If th ere is a risk of someone becoming trap‐
ped, stop the adjustment process immedi‐
ately: #
a)Tapth ewa rning message on the cen‐
tral displa y.
or #
b) Press a memory position button or a
seat adjustment switch on the driver's
door.
The adjustment process will be stop‐
ped. The driver's seat is equipped with an access pre‐
ve nter.
If th e driver's door is open, the driver's seat will
not be set af ter calling up the driver's profile. User profiles and user-specific content
Prerequisites
forth eve hicle owner:
R You ha vea Mercedes me user account.
R You ha vea Mercedes me PIN.
R You ha veagreed tothete rm s of use.
User profiles sa vepersonal settings. If theve hi‐
cle is used byseveral people, a person can
ch ange their profile settings without changing
th e settings of other users.
Yo u can individualise a user profile in theve hicle
using the set-up assis tant or using the settings
in your user profile. Some settings, e.g. the
Mercedes me PIN and a profile pho toare made
in the Mercedes me app or in the Mercedes me
Po rtal.
User-specific con tent and applications wi thper‐
sonal data are pr otected bydiffere nt le vels of
security. Toaccess pr otected conte nt,the
Mercedes me PIN and, depending on theve hicle
equipment, biometric sensors can be used.
% The security le vel is set bythe multimedia
sy stem and calculated from the combination of all sensor inputs. Some security le
vels
cannot be turned off.
% When a user profile is activated, thefo llow‐
ing personalised com fort systems, forex am‐
ple, can be adjus ted or their settings loaded:
R Seat
R Ambient light
R Outside mir rors
R Blinds
R Air conditioning adjustment
If th e user profile is activated when driving
th en the driver's seat position will not be
adjus ted.
Depending on theve hicle equipment you can, as
a user, sa vethefo llowing settings, forex ample:
R Driver's seat, steering wheel and mir ror set‐
tings
R Climate control
R Ambient lighting
R Radio (including station list)
R Suggestions and favo urites 308
MBUX multimedia sy stem

Ac
tive Lane Keeping Assist
Ac tivating/deactivating......................... 257
Ac tivating/deactivating thewa rning.....2 57
Fu nction................................................ 255
Setting the sensitivity............................2 57
Sy stem limits.........................................2 55
Tr ailer operation.................................... 255
Ac tive Parking Assist
Cross traf fic wa rning............................. 281
Drive AwayAssi st.................................. 280
Exiting a pa rking space......................... .275
Fu nction................................................ 271
Manoeuvring brake function.................. 281
Pa rking................................................. .273
Sy stem limitations................................. 271
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st
Displ ay.................................................. 234
Fu nction................................................ 234
Ac tive Steering Assist
Ac tivating/deactivating......................... 239
Ac tive Emergency Stop Assis t............... 239
Ac tive Lane Change Assi st.................... 24 0Fu
nction................................................ 237
Sy stem limits.........................................2 37
Ac tive Traf fic Jam Assist
Fu nction................................................ 236
Ad aptive brake lights................................ 226
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist Plus
Fu nction................................................ 15 9
Switching on/of f................................... 16 0
Ad Blue ®
Ad ditives...............................................4 84
Capacity................................................ 485
No tes....................................................2 09
Purity..................................................... 484
To pping up............................................. 210
Ad ditional door lo ck.................................... 81
Ad diti ves
Ad Blue ®
................................................ 484
Engine oil.............................................. 485
Fu el....................................................... 482
Ad diti ves (AdBlue ®
)
see AdBlue ® Ad
diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
ADS PLUS damping sy stem
see AIRMATIC
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up............................................... 174
Air distribution Setting................................................... 172
Setting (MBUX multimedia sy stem)........ 174
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 185568
Index

Ad
justing (rear)..................................... .186
Glove box.............................................. .187
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 175
Air-water duct Keeping free.......................................... 353
Airbag Activation................................................. 41
Belt airbag............................................... 44
Centre airbag (driver, front passen ger)....47
Fr ont airbag (driver, front passenger)...... 47
Ins tallation locations.............................. .47
Knee airbag............................................ .47
Overview................................................. 47
PA SSENGER AIR BAG indicator lamp....... 52
Pr otection................................................ 48
Re duced pr otection.................................49
Side airba g.............................................. 47
Wi ndow airba g......................................... 47
Airflow Setting................................................... 172AIRM
ATIC
Setting.................................................. .258
Suspension........................................... 258
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (MBUX multimedia sy stem)....... 16 2
Android Auto
see Smartphone integration
Animals Pets in theve hicle................................... 76
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .81
Immobiliser........................................... 104Anti-theft pr
otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 348
Displaying the service due dat e............. 347
Fu nction/no tes..................................... 347
Re gular maintenance work.................... 347
Special service requ irements................ 347
ATA (anti-theft ala rmsystem)
Deactivating the alarm.......................... 105
Fu nction................................................ 104
Fu nction of interior pr otection............... 105
Priming/deactivating interior pr otec‐
tion........................................................ 106 Index
569

To
pTe ther............................................... 68
Children Avoiding dangers in theve hicle............... 58
Basic instructions.................................... 57
Chock Storage location.................................... 391
Chock see Chock
City lighting................................................ 157
Cleaning see Care
Climate control Activating/deactivating (rear operat‐
ing unit)................................................ .174
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem)...... 174
Ac tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem).................................................. 175
Air-reci rculation mode.......................... .175
Au tomatic control.................................. 174
Calling up the air conditioning menu...... 174
Demi sting the windscreen..................... 172
Demi sting windo ws................................ 175Fr
ont air vents....................................... 185
Glo vebox air vent.................................. 187
Immedia tepre-entry climate control.....1 80
Information on the windscreen heater... 17 7
Inserting/removing theflacon (fra‐
gr ance sy stem)...................................... 176
Ionisation............................................... 176
No te....................................................... 172
Pre-ent ryclimate control at depar‐
ture time................................................ 178
Re ar air vents........................................ 186
Re ar operating unit................................ 173
Re sidual heat......................................... 175
Re sidual heat (rear operating unit)......... 176
Setting (MBUX multimedia sy stem)........ 174
Setting the air distribution..................... 172
Setting the air flow ................................. 172
Setting the fragrance sy stem.................1 76
Setting thete mp eratur e........................ 172
St ationary heater/ ventilation................ 181
Switching on/of f................................... 173
Switching there ar wind owheater
on/off....................................................1 72
THERMOTRONIC contro l panel..............172
Ve ntilating theve hicle (con venience
opening).................................................. 95 Co
ckpit
Overview................................................... 6
Co ffee cup symbol
see ATTENTION ASSIST with micro‐
sleep de tection
Collision de tection (pa rked vehicle)
Information............................................ 217
Combination switch .................................. 154
Consum ption indicator
Calling up.............................................. 201
Content sharing menu Overview............................................... 299
Control elements Touch-sensitive........................................ 23
Con venience closing ................................... 95
Con venience opening ..................................95
Coolant (engine) Check le vel............................................ 352
No tes..................................................... 487
Cooling see Climate control
Co pyright..................................................... 39 Index
573