2021 MERCEDES-BENZ S-CLASS SALOON LONG climate control

Light and sight
Light and sight
............................................ 169 169
Exterior lighting ........................................... 169
Interior lighting ............................................ 178
Wi ndsc reen wipers and windscreen
wa sher system ............................................ 181
Mir rors ........................................................ 184
Area permeable toradio waves on the
windscreen ................................................ .187
Inf rare d-re0ective windscreen function ........ 188 Climat Climat
e contr
e contr ol
ol........................................... 189 189
Overview of climate control systems ............ 189
Operating the climate control system .......... 191 Dr Dr
iving and par
iving and par king
king..................................... 208 208
Driving ........................................................2 08
DY NAMIC SELECT button ........................... .226
Au tomatic transmission .............................. .231
Fu nction of the 4MATIC ...............................2 35
Re fuelling .................................................... 235
Charging the high-voltage battery (plug-in
hy brid) ........................................................ 241
Pa rking .......................................................2 58
Driving and driving saf ety sy stems ............... 266 Tr
ailer hitch ................................................ .336
Bicycle rack function ................................... 342
Ve hicle towing instructions .......................... 344 Dr
Dr
iv
iver displa
er displa y
y............................................. .345
345
No tes on the driver's display ....................... 345
No tes on the 3D driver's display .................. 345
Operating the driver's display ...................... 345
Driver display menus ................................... 346
Head-up display .......................................... 348
Ve hicles with a 48 V on-board elect rical
system ........................................................ 352
Fu nction of the po wer me ter ........................ 352
Overview of status displa yson the driver's
display ........................................................3 52 MBUX V MBUX V
oice Assist
oice Assist ant
ant................................. 354 354
No tes on operating saf ety .......................... .354
Operation .................................................... 354
Using MBUX Voice Assistant e.ectively .......3 56
Essential voice commands .......................... 357 MBUX multimedia syst MBUX multimedia syst
em
em............................ 361 361
Overview and operation ...............................3 61
System settings .......................................... 382
Plug-in hybrid settings ................................ .387
Na vigation and tra1c .................................. 388
Te lephone ................................................... 397
Mercedes me app ....................................... 400
Mercedes-Benz emer gency call system ....... 409
Ra dio, media & TV....................................... 416
Sound settings ............................................ 422 Maint Maint
enance and car
enance and car e
e................................. 423 423
ASS YST PLUS service inter val display .......... 423
Engine compartment ................................... 424
Cleaning and care ....................................... 429 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 437 437
Emer gency .................................................. 437
Flat tyre ...................................................... 439
Battery (vehicle) .......................................... 444
To w- starting or towing away ........................ 450
Electrical fuses ............................................ 457 Contents
3 3

1
Climate control rear operating unit →
190
2 Elect ronics compartment in the centre console
230 V soc ket →
160
3 j Setsthe fully reclined position →
125
4 V Selects the front passenger seat →
122
5 s Switches there ar seat ventilation on/o. →
139
6 w Switches there ar seat heating on/o. →
137
7 Adjusts reclining rear seats elect rically →
124
8 a Resets the standard seat adjustment set-
tings →
125 9
V Memory function in there ar compart-
ment →
145
A Stow age box in the seat backrest
Re frigerator box →
162
B Stow age compartment in there ar armrest
C MBUX rear tablet brac ket
D Cup holder At
a glance – Control settings in there ar passen ger compartment
19
19

This is
the case in thefo llowing situations:
R The vehicle type is di.erent from that for
which theve hicle's general opera ting permit
wa sgr anted.
R Other road users could be endangered.
R The exhaust gas or noise le velget swo rse.
Alw ays specify theve hicle identi/cation number
(VIN) (/ page 480) when ordering Mercedes-
Benz Genuine Parts. Owner's Manual
Owner's Manual
This Owner's Manual and the Digital Owner's
Manual in theve hicle describe thefo llowing mod-
els and the standard and special equipment for
yo ur vehicle:
R The models and the standard and special
equipment available at the time of this Own-
er's Manual going topress.
R The models and the standard and special
equipment only available in cer tain countries. R
The models and the standard and special
equipment, which will only be available at a
later date.
No tethat your vehicle may not be /tted with all
fe atures described. This is also the case for sys-
te ms releva nt tosaf ety. Therefore, the equipment
on your vehicle may di.er from that in the
descriptions and illustrations.
The original pur chase ag reement foryo ur vehicle
contains a list of the equipment in your vehicle at
th e time of deliver y.
Should you ha veany questions concerning equip-
ment and operation, please consult a Mercedes-
Benz Service Centre.
The Owner's Manual, Supplement, fur ther supple-
mentary documents and Service Booklet are
impor tant documents and should be kept inthe
ve hicle. T T
ouc
ouc h-sensitiv
h-sensitiv e contr
e controls
ols
In addition tocon ventional switches and buttons,
yo ur vehicle is equipped with touch-sensitive con-
trols. These are located in
thefo llowing areas of your
ve hicle:
R Roof and door control panel
R Climate control
R Steering wheel
R MBUX multimedia system
The controls ha vetouch-sensitive user inter face
sur faces. The sur faces are cont rolled bypressing
or swiping toadjust settings or totrigger func-
tions, forex ample.
In the area of theto uchscreen, you also receive
haptic feedback in thefo rm of a pulse or a vibra-
tion, or the sur face st ructure changes on the
to uch-sensitive user inter face sur face, forex am-
ple.
Yo ure ceive haptic feedback in thefo llowing situa-
tions, forex ample:
R When pressing a but ton on the user inter face
sur face
R When scrolling in a list or table
R When reaching a new area on the user inter-
fa ce sur face, e.g. a pop-up window Gene
ral no tes
25 25

F
F
olding do
olding do wn
wn #
Press button 1. #
Fold down the head restraint co mplete ly.
The centre head restraint has a usage position
and a non-usa geposition. The usage position is
th e upright position in which the head restraint is
lo ck ed; the non-usage position is the position in
which the head restraint is folded down wards. When
the centre seat is used, the head restraint
must be in the upright, loc ked usage position. Con/gur
Con/gur
ing
ingt
the seat se
he seat se ttings
ttings Multimedia system:
4 © 5
Comfort 5
Seat
A
A djus
djus ting t
ting t he air cushions
he air cushions #
Onthe cor responding menu, adjust the air
cushions forLumbar, Shoulders orSide bol-
sters.
Se
Se tting t
tting t he seat heating balance
he seat heating balance #
Select Heating settings. #
Select Seat heating balance. #
Adjust the heat distribution forth e desired
seat.
% The seat heating balance can be set in the
Seat climate control menu inthere ar.
Coupling nec
Coupling nec k heat t
k heat to seat heating
o seat heating #
Select Additional neck warmer . #
Switch the function forth e desired seat on or
o..
If th e function is active, the neck heat of the
additional cushion has been coupled tothe
seat heating. Se Se
tting aut
tting aut omatic seat adjus
omatic seat adjustment tment &
W
WARNING
ARNING Risk of becoming trapped dur-
ing adjustment of the driver's seat aTer
calling up a driver pro/le
Selecting a user pro/le may trigger an adjust-
ment of the driver's seat tothe position sa ved
under the user pro/le. You or other vehicle
occupants could be injured in the process. #
Make sure that when the position of the
driver's seat is being adjus ted via the
multimedia system, 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-
atel y: Se
ats and st owing
135 135

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