MERCEDES-BENZ S-CLASS SALOON LONG 2020 Owners Manual

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

Re
quirements:
R The outside temp erature is below 15°C.
R The fuel tank is su fficiently full.
% Ifth efill le vel of the fuel tank is too lo w,the
auxiliary heating mode may be restricted. #
Set thete mp erature using the ar rowsw
on the climate bar on the cent ral displa y. #
Press the& button.
The red or blue indicator lamp on but‐
to n& will light up or go out.
The colou rsof the indicator lamp ha vethefo l‐
lowing meanings:
R Blue: stationary ventilation is switched on.
R Red:thest ationary heater is swit ched on.
R Yello w: the departure time is preselected.
The stationary heater/ ventilation will switch off
au tomatically af ter 50 minutes.
Operation using the app: thest ationary
heater/ ventilation can also be operated via the
Mercedes me connect app. You can find fur ther
information in the separate Owner's Manual at
https://moba.i.daimler.com/mar kets/ece-r ow/baix/cars/connectme/en_GB/#emotions/
St artseite.htm l.
Setting thest ationary heater/ventilation via
th e multimedia sy stem
Multimedia sy stem:
4 Climate menu 5
Stationary heater
Selecting the departu retime #
Select the time Time A, Time BorTime C.
Setting the departu retime #
Select the time Time A, Time BorTime C. #
Select the pen beside the time. #
Set a time.
Setting thest ationary heater/ventilation via
re mo tecont rol
Re quirements:
R The outside temp erature is below 15°C.
R The fuel tank is su fficiently full. Switching on immedia
tely #
Press and hold theu button.
Setting the departu retime #
Brie fly press theu button. #
Press the, or. button repeatedly
until the time tobe changed appears on the
displa y. 18 2
Climate cont rol

#
Press theu and^ buttons simultane‐
ousl y.
The Îsymbol on there mo tecontrol displ ay
will flash. #
Press the, and. buttons toset the
desired departure time. #
Press theu and^ buttons simultane‐
ousl y.
The new departure time will be stored.
Up tothre e departure times can be stored. #
Toactivate the departu retime: select the
desired departure time and press and hold
th eu button.
The Ísymbol, the departure time and,
depending on the selected departure time,
th e letter A, BorCwill appear on the displa y. #
Todeactivate the departure time: select
th e desired departure time and press and
hold the^ button.
OFF will appear on the displa y. #
Tocheck thest atus of the active station‐
ary heater: briefly press theu button. Switching off immediately #
Press and hold the^ button.
Overview of there mo tecont rol displa ys(sta‐
tiona ryheater/ventilation) 1
Stationary ventilation switched on
2 Stationary heater swit ched on
3 Selected departure time
4 Remaining time forth est ationary heater/
ve ntilation (in minu tes)
5 Stationary heater/ ventilation acti ve
6 Departure time acti vated
7 Signal stre ngth Fu
rther possible displa ys:
R Time: the activated departure time.
R Zero minutes: theru nning time forth est a‐
tionary heater is extended because the
engine has not yetre ached operating tem‐
perature when it is star ted.
R OFF: thest ationary heater/ ventilation is
switched off.
Re placing the remo tecont rol bat tery (sta‐
tiona ryheater) &
DANG ER Risk of fata l injuries if batteries
are swallo wed
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
se vere internal burns within two hours.
There is a risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
Ifth e co ver and/or lid of the battery
compartment does not close securel y, Climate cont
rol18 3

do not use
theke y and keep it away
from children. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
intoxic and cor ro‐
sive subs tances. #
Ta
ke dischar ged batteries to a
qu alified specialist workshop or to a
collection point for used batteries. Re
quirements:
R One CR2450 lithium battery #
Push a pointed object into recess 1. #
Slide battery co ver2 backwards in the
direction of the ar row. #
Insert new battery 3with the lettering
fa cing up wards. #
Slide battery co ver2 inthe opposite direc‐
tion tothe ar row onto there mo tecontrol
until the battery co ver engages. Problems with
there mo tecont rolfo r the
st ationary heater/ventilation
FA IL¨ ¨ appea rson there mo tecont rol dis‐
play
Po ssible cause:
R The signal transmission between the trans‐
mitter and there cei ver is malfunctioning. #
Change your position in relation totheve hi‐
cle, moving closer if necessar y.
FA IL appea rson there mo tecont rol display
Po ssible cause:
R The star ter battery is not suf ficiently
ch arge d. #
Char gethest ar ter batter y.
Po ssible cause:
R The outside temp erature is higher than
15 °C. #
Use thest ationary heater on ly ifthe outside
te mp erature is below 15°C. 184
Climate cont rol

Po
ssible cause:
R The fuel tank is not su fficiently filled. #
Refuel at the nearest filling station.
FA IL¯
¯ appea rson there mo tecont rol dis‐
play
Po ssible cause:
R There is a malfunction in thest ationary
heater. #
Have thest ationary heater checked at a
qu alified specialist workshop. Air
vents Ad
justing the front air vents &
WARNING Risk of bu rns and frostbite
due tobeing too close tothe air vents
Ve ry hot or very cold air can flow from the air
ve nts. #
Makesure that all vehicle occupants
alw ays maintain a suf ficient di stance
from the air vents. #
If necessa ry, direct the air flow to
ano ther area of theve hicle interior. To
guarantee theflow of fresh air thro ugh the air
ve nts into theve hicle interior, comply with the
fo llowing:
R Alw ayske ep theve nts and vent grilles in the
ve hicle interior free.
R Keep the air inlet free of residue build-up
(/ page 353). #
Toopen the centre and side air vents:
press button 1.
The thre e indicator lamps on the button will
light up. The air vents will be opened com‐
pl et ely. Climate control
18 5

#
Toclose the centre and side air vents:
press button 1again.
The thre e indicator lamps on the button will
go out one byone. The air vents will be
closed compl etely. #
Toadjust the airflow direction of the side
air vents: hold outer side air vent 2 inthe
centre and mo veit up or down or tothe left
or right. #
Toadjust the airflow direction of the
centre air vents: hold air vent 3 inthe
centre and mo veit up or down or tothe left
or right.
Ad justing the rear air vents &
WARNING Risk of bu rns and frostbite
due tobeing too close tothe air vents
Ve ry hot or very cold air can flow from the air
ve nts. #
Makesure that all vehicle occupants
alw ays maintain a suf ficient di stance
from the air vents. #
If necessa ry, direct the air flow to
ano ther area of theve hicle interior. Ad
justing the rear air vents in the centre
console #
Toopen there ar air vents: press but‐
to n1.
The air vents will be opened compl etely and
th eth re e indicator lamps on the button will
light up. #
Toclose there ar air vents: press but‐
to n1 again.
The thre e indicator lamps on the button will
go out one byone. The air vents will be
closed compl etely. #
Toadjust the airflow direction of there ar
air vents: hold air vent 2 inthe cent reand
mo veit up or down or tothe left or right.
Ad justing the side air vents in there ar 18 6
Climate cont rol

#
Toopen the side air vents in there ar:
press button 1.
If th e button is flush with the side trim, the
side air vent is open. #
Toclose the side air vents in there ar:
press button 1again.
If th e button pr otru des from the side trim,
th e side air vent is closed. #
Toadjust the airflow direction of the side
air vents: hold air vent 2 inthe cent reand
mo veit up or down or tothe left or right.
Opening or closing the air vent in thegl ove
box
* NO
TEDama geto te mperature-sensitive
objects in theglove box Te
mp erature-sensitive objects stored in the
gl ove box may be damaged bythe air vent
located inside theglove compa rtment. #
Close the air vent when you heat the
ve hicle. #
Athigh outside temp eratures, open the
air vent and switch on the A/C func‐
tion. The automatic climate control must be switched
on tocool theglove box. 1
Airvent controller
2 Airvent #
Toopen or close: turn controller1tothe
ri ght or left. Climate control
187