reset MERCEDES-BENZ S-CLASS SALOON LONG 2021 Owners Manual

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

&
W
WARNI NG
ARNI NGRisk of accident due toobjects
in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient room forth e pedals. #
Do not use loose 0oor mats and do not
place 0oor mats on top of one ano ther. *
N NOOTE
TE Battery discharging from using devi-
ces connected tothe diagnostics connec-
tion Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the bat-
te ry, e.g. bydriving a considerable dis-
ta nce. Please also no
tethe information about the 12 V
battery and short-dis tance trips in the "Driving
and Parking" chap ter (/ page 215). Connecting and using ano
ther device with the
diagnostics connection can ha vethefo llowing
e.ects:
R Malfunctions in theve hicle system
R Perm anent damage tovehicle components
Please referto thewa rranty term s and conditions
fo rth is matter.
Moreo ver,connecting equipment tothe diagnos-
tics connection can lead toemissions monitoring
information being reset, forex ample. This may
lead totheve hicle failing tomeet there qu ire-
ments of the next emissions inspection during the
main inspection. Quali/ed
Quali/ed
specialis
specialist w
t work
ork shop
shop
A qu ali/ed specialist workshop has the necessary
special skills, tools and quali/cations tocor rectly
car ryout any necessary workon your vehicle.
This particular lyapplies tosaf ety-re leva nt wo rks.
Alw ays ha vethefo llowing workcar ried out on
yo ur vehicle at a quali/ed specialist workshop:
R Safety-re leva nt wo rks 38
38
General no
tes

ing state, component loads, maintenance
requ ire-
ments and tech nical events or faults.
Depending on theve hicle equipment, thefo llo w-
ing data are stored:
R operating status of system components, such
as /ll le vels, tyre pressure or battery status
R malfunctions or faults in impor tant system
components, such as lights or brakes
R system reactions in special driving situations,
such as airbag depl oyment or the inter vention
of stability contro l systems
R information on events leading tovehicle dam-
age
In cer tain cases, it may be requ ired tostore da ta
th at wo uld ha veotherwise been used only temp o-
rari ly. This may be the case if theve hicle has
de tected a malfunction, forex ample.
If yo u use services, such as repair services and
maintenance work, stored operational data as
we ll as theve hicle identi/cation number can be
re ad out and used. They can be read out by
service network emplo yees, such as workshops
and manu facturers or third parties, such as break- down services. The same is true in
the case of
wa rranty claims and quality assurance measures.
In general, there adout is per form ed via the legally
prescribed port forth e diagnostics connection in
th eve hicle. The operational data that are read out
document tech nical states of theve hicle or of
individual components and assist in the diagnosis
of malfunctions, compliance with warranty obli ga-
tions and quality impr ovement. Tothat end, these
data, in particular information about component
loads, tech nical events, malfunctions and other
fa ults may be transmitted along with theve hicle
identi/cation number tothe manufacturer. Fur-
th ermore, the manufacturer is subject toproduct
liability. Forth is reason the manufacturer also
uses operational data from theve hicle, forex am-
ple, forre calls. These data can also be used to
ex amine the customer's warranty and guarantee
claims.
Fa ult memories in theve hicle can be reset by a
service outl etor at your requ est as part of repair
or maintenance work. Conv Conv
enience and inf ot
enience and inf otainment functions
ainment functions
Yo u can store con venience settings and individual
settings in theve hicle and change or reset them
at any time.
Depending on theve hicle equipment, this
includes thefo llowing settings, forex ample:
R seat and steering wheel positions
R suspension and climate cont rolsettings
R individual settings, such as interior lighting
Depending on the selected equipment, you can
import data into vehicle inf otainment functions
yo urself.
Depending on theve hicle equipment, this
includes thefo llowing data, forex ample:
R multimedia data, such as music, /lms or pho-
tosfo r playback in an integ rated multimedia
system
R address book data for use in connection with
an integ rated hands-free system or an integ ra-
te d navigation system
R entered navigation destinations
R data about the use of Internet services 42 42
General no
tes

#
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Never lea vechildren unattended in the
ve hicle. R
R
eq
eq uir
uir ements:
ements:
R The po wer supply or theve hicle has been
switched on. 1
Closing
2 Toopen
The buttons on the driver's door take precedence. #
T
To st
o st ar
art aut
t aut omatic oper
omatic oper ation:
ation:presstheW
button be yond the point of resis tance or pull
and release it. #
T
To int
o int err
errup
upt aut
t aut omatic oper
omatic oper ation:
ation:press or pull
th eW button again. When
theve hicle is switched o., you can con-
tinue tooperate the side windo ws.
% V
Vehicles wit
ehicles wit h electr
h electric r
ic roller sunblinds on t
oller sunblinds on t he
he
leT
leT and r
and r ight r
ight r ear door
ear door s:
s:the buttons forthe
re ar side wind ows also open and close the
ro ller sunblinds (/ page 113).
A
A ut
ut omatic rev
omatic rever
ersing function of t
sing function of t he side windows
he side wind ows
If an obs tacle impedes a side window during the
closing process, the side window will open again
automaticall y.The automatic reve rsing function is
only an aid and is not a substitute foryo ur atten-
tiveness. #
During the closing process, make sure that no
body parts are in the closing area. &
W
WARNING
ARNING Risk of becoming trapped
despite there being reve rsing pr otection
on the side window
The reve rsing function does not react:
R tosoT, light and thin objects, e.g. /n gers.
R during resetting. Opening and closing
105
105

#
T
To open or close:
o open or close: press button1. #
T
To st
o st op:
op: press button 1again.
If yo u stop the opening or closing process, the
ro ller sunblind will /rst be closed again when the
process is resumed.
Oper
Oper ating t
ating t he r
he rear r
ear r oller sunblind fr
oller sunblind fr om t
om the r
he rear
ear #
T
To open/close manuall y:
o open/close manuall y:push or pull button
1 tothe point of resis tance and hold it until
th ero ller sunblind has reached the desired
position. #
T
To open/close full y:
o open/close full y:push or pull button 1
be yond the point of resis tance and release it.
A
A ut
ut omatic rev
omatic rever
ersing function of t
sing function of t he sliding sun-
he sliding sun-
r
r oof
oof
If an obstacle obstructs the sliding sunroof during
th e closing process, the sliding sunroof will open
again automaticall y.The automatic reve rsing func-
tion is only an aid and is not a substitute foryo ur
attentiveness. #
During the closing process, make sure that no
body parts are in the closing area. &
W
WARNING
ARNING Risk of becoming trapped
despite reve rsing function
The reve rsing function will not react:
R tosoT, light and thin objects, e.g. /n gers.
R towa rdsth e end of the closing procedure.
R during resetting. #
During the closing process, make sure
th at no body parts are in the closing
area. #
If someone is trapped, release the con-
trol panel immediatel y.
or #
Touch the control panel during automatic
closing.
The closing process will be stopped. A A
ut
ut omatic rev
omatic rever
ersing function of t
sing function of t he r
he roller sun-
oller sun-
blinds
blinds
If an obstacle obstructs a roller sunblind during
th e closing process, thero ller sunblind will open
again automaticall y.The automatic reve rsing func-
tion is only an aid and is not a substitute foryo ur
attentiveness. #
When closing thero ller sunblinds, make sure
th at no body parts are in thera nge of mo ve-
ment. 110 110
Opening and closing

&
W
WARNI NG
ARNI NGRisk of becoming trapped
despite reve rsing function
In particular, there ve rsing function does not
re act tosoT, light and thin objects, e.g. /n-
ge rs. #
When closing thero ller sunblind, make
sure that no body parts are in thera nge
of mo vement. #
If someone is trapped, release the con-
trol panel immediatel y.
or #
Touch the control panel during automatic
closing.
The closing process will be stopped. A A
ut
ut omatic functions of t
omatic functions of t he sliding sunr
he sliding sunroof
oof %
The term "sliding sunroof" refers to the pano-
ra ma sliding sunroof.
The sliding sunroof will be closed automatically
when theve hicle has been switched o. in thefo l-
lowing situations:
R if it starts torain Ra
in is de tected byara in sensor on the wind-
screen.
R inextreme temp eratures
R aTer a cer tain time (depending on the on-
board electrical system voltage)
R ifth ere is a malfunction in the po wer supply
The sliding sunroof will rise at there ar in order to
continue ventilating theve hicle interior.
If th e sliding sunroof is obstructed during an auto-
matic closing procedure, thero of will be opened
again slightl y.The automatic function forth e slid-
ing sunroof and the side windo wswill then be
deactivated.
R R ain closing function when dr
ain closing function when dr iving
iving
V
V ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof:
oof:if it
starts torain, thera ised sliding sunroof will auto-
matically be lo wered while theve hicle is in
motion.
A A ut
ut omatic low
omatic low er
ering function
ing function
V
V ehicles wit
ehicles wit h a panor
h a panorama sliding sunr
ama sliding sunr oof:
oof:ifthe
sliding sunroof is raised at there ar, it will auto-
matically be lo wered slightly at higher speeds. At
low speeds, it will be raised again automaticall y. &
W
WARNI NG
ARNI NGRisk of becoming trapped by
automatic lo wering of the sliding sunroof
At higher speeds, thera ised sliding sunroof
will automatically be lo wered slightly at the
re ar. #
Make sure that nobody reaches into the
sliding sunroof's range of mo vement
while theve hicle is in motion. #
If someone becomes trapped, touch the
cont rol panel. R
R
ectifying pr
ectifying pr oblems wit
oblems with t
h the sliding sunr
he sliding sunr oof
oof &
W
WARNING
ARNING Risk of becoming trapped or
fata l injuries when the sliding sunroof is
closed again
If yo u close the sliding sunroof again immedi-
ately aTer it has been bloc ked or reset, the
sliding sunroof will close with increased or
maximum forc e.
There is a risk of becoming trapped or even of
fata l injuries! Opening and closing
111 111

#
Make sure that no parts of the body are
in the closing area. #
If someone is trapped, release the con-
trol panel immediatel y.
or #
Touch the control panel during automatic
closing.
The closing process will be stopped. The sliding sunr The sliding sunr
oof canno
oof cannot be closed and y
t be closed and y ou can-
ou can-
no
no t see t
t see t he cause.
he cause.
% The term "sliding sunroof" refers to the pano-
ra ma sliding sunroof.
If th e sliding sunroof is obstructed during closing
and reopens again slightl y:#
Immediately aTer automatic reve rsing, swipe
fo rw ards across the control panel
(/ page 108) and hold until the sliding sun-
ro of is closed.
The sliding sunroof will be closed with
increased forc e.
If th e sliding sunroof is obstructed again and
opens again slightl y: #
Repeat the pr evious step.
The sliding sunroof will be closed again with
increased forc e.
The sliding sunr The sliding sunr oof or t
oof or the fr
he front r
ont r oller sunblind is
oller sunblind is
no
no t oper
t oper ating smoot
ating smoot hly.
hl y. #
Reset the sliding sunroof and thero ller sun-
blind.
R
R ese
ese tting t
tting t he sliding sunr
he sliding sunr oof and t
oof and the r
he roller sun-
oller sun-
blind
blind #
Swipe forw ards across the control panel
(/ page 108) and hold repeatedly until the
sliding sunroof is comple tely closed. #
Press and hold the control panel for ano ther
second. #
Press and hold the control panel until the front
ro ller sunblind is comple tely closed. #
Press and hold the control panel for ano ther
second. #
Use automatic operation tofully open and
th en close the sliding sunroof. The r
The r
ear r
ear roller sunblind is no
oller sunblind is no t oper
t operating smoot
ating smoot hly.
hl y. #
Reset there ar roller sunblind.
R
R ese
ese tting t
tting t he r
he rear r
ear r oller sunblind
oller sunblind #
Pull and hold button 1repeatedly until the
re ar roller sunblind is fully closed. #
Pull button 1for ano ther second. 112
112
Opening and closing

R
Hot Relaxing shoulders Combination of heat
and massage. It starts bymassaging the
shoulde rs. In addition, warm pressure points
become noticeable, starting in the pelvic area.
R Activating Massage Activating massage pro-
gr amme with upward-moving relaxing waves.
R Classic Massage Calming back massage pro-
gr amme.
R Wave Massage Regenerating massage pro-
gr amme via relaxing waves across the back
and in the seat cushion.
R Mobilizing Massage Mobilising massagepro-
gr amme with upward-moving relaxing waves.
Can promo teslo wer,deeper respiration. This
can impr ovethe supply of oxyge nto cells and
th e brain.
R Workout, backrest andWorkout, cushion
These prog rams requ ire your cooperation.
Alternating between tensing and releasing
helps toimpr oveblood 0ow toyour muscles.
Press against a pressure point as soon as you
fe el it toactivate bac k,abdominal and leg
muscles. R
Depth waves Wave-like mo vements in the
cushion can promo teblood 0ow and me ta-
bolic processes in the lo wer back and legs.
R Deep workout ConnecttheWorkout, back-
rest totheWorkout, cushion. The vibrating
massage inthe cushion intensi/es the e.ec-
tiveness of tensing and releasing muscles
when youte nse against the pressure point.
This supports me tabolic processes and blood
0ow in the buttoc ksand legs. Selecting t
Selecting t
he massag
he massage pr
e progr
ogramme f
amme f or t
or the fr
he fr ont
ont
seats
seats Multimedia system:
4 © 5
Comfort 5
Massage #
Select a massage prog ramme (/ page 136). #
Start the prog ramme forth e desired
seat ;. #
T
To se
o se t t
t the massag
he massag e int
e intensity
ensity :
:switch High
intensity on or o.. %
Forth ere ar seats, the massage programmes
can be selected on thefo llowing devices (if
av ailable):
R Onthere ar displ ays
R Onthe MBUX rear tablet R
R
ese
ese tting seat se
tting seat se ttings
ttings Multimedia system:
4 © 5
Comfort 5
Seat #
Select Reset. #
Select ßforth e desired seat. Switc
Switc
hing t
hing t he seat heating
he seat heating on/o.
on/o. &
W
WARNING
ARNING Risk of burns due torepeatedly
switching on the seat heating
Re peatedly switching on the seat heating can
cause the seat cushion and seat backrest pad-
ding tobecome very hot.
In particular, the health of persons with limited
te mp erature sensitivity or a limited ability to Seats and st
owing
137
137

Se
Se
tting t
tting t he easy entr
he easy entr y and e
y and exit f
xit feature
eature R
R
eq
eq uir
uir ements:
ements:
R The au tomatic seat adjustment has been acti-
va ted (/ page 135).
Multimedia system: 4 © 5
Settings 5
Vehicle 5
Comfort
5 Easy entry and exit feature #
Activate/deactivate seat positioningorsteer-
ing wheel positioning .
% Ifyo u are using an individual user pro/le, this
information is used forth e easy entry and exit
fe ature. This will cause the driver's seat and
steering wheel tomo veinto the cor rect posi-
tion automatical ly . Memor
Memor
y function
y function F
F
unction of t
unction of t he memor
he memory function
y function &
W
WARNI NG
ARNI NGRisk of an accident if the mem-
ory function is used while driving
If yo u use the memory function on the driver's
side while driving, you could lose control of
th eve hicle as a result of the adjustments
being made. #
Only use the memory function on the
driver's side when theve hicle is station-
ar y. &
W
WARNI NG
ARNI NGRisk of entrapment when
adjusting the seat with the memory func-
tion
When the memory function adjusts the seat,
yo u and other vehicle occupants – particular ly
ch ildren – could become trapped. #
During the adjusting process of the
memory function, ensure that no body parts are in
the area of mo vement of the
seat or the steering wheel. #
If someone becomes trapped, press a
preset position button or seat adjust-
ment switch immediatel y.
The adjustment process is stopped. &
W WARNI NG
ARNI NGRisk of entrapment if the mem-
ory function is activated bychildren
Children could become trapped if they acti-
va te the memory function, particular lywhen
unat tended. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. Yo
u can use the memory function when theve hi-
cle is switched o..
Seat adjustments for up tothre e people can be
stored and called up using the memory function. Seats and st
owing
143 143

Yo
u can sa vethefo llowing settings forth e front
seat:
R Seat, backrest, head restraint position and
contour of the seat backrest in the lumbar
re gion
R V
Vehicles wit
ehicles wit h an activ
h an active multicont
e multicont our seat
our seat::
- Side bolsters of the seat backrest
- Shoulder of the seat backrest
- Contour of the seat backrest
- Dynamic function le vel
R Seat heating: distribution of the heated sec-
tions of the seat cushion and seat backrest
R Driver's side: steering wheel position and posi-
tion of the outside mir rors on the driver's and
front passenger sides
R Head-up display (depending on vehicle equip-
ment) Oper Oper
ating t
ating t he memor
he memor y function
y function S
S
t
tor
or ing
ing #
Set the seat, the steering wheel, the head-up
display and the outside mir rorto the desired
position. #
Press theV button and then release it. #
Press one of the preset position buttons 4,
T orU within thre e seconds.
An acoustic signal sounds. The settings are
stored. #
T To call up:
o call up: pressthe preset position button
4, TorU.
The seat is mo vedto the stored position. ATer
re leasing the button, the front seat, outside
mir ror,head-up displ ayand steering column
continue tomo veinto the stored position
automaticall y. Memor
Memor
y function in t
y function in t he r
he rear com
ear com par
partment
tment F
F
unction of t
unction of t he memor
he memory function in t
y function in t he r
he rear
ear
passeng
passeng er com
er compar
partment
tment Oper
Oper
ating t
ating t he r
he rear seat
ear seat
Re ar seat settings for up tothre e people can be
stored and called up using the memory function in
th ere ar compartment.
Yo u can sa vethefo llowing settings forth ere ar
seat:
R Position of the seat, backrest and head
re straint 144
144
Seats and st
owing