2021 MERCEDES-BENZ S-CLASS SALOON LONG ECU

#
Select a user. #
When requ ested todo so, authenticate with
th e Mercedes me PIN or a taught-in biometric
ch aracteristic.
The user pro/le is loaded and activated.
% Ifyo u select Continue without selecting user,
no speci/c settings forth e user pro/le are
loaded.
A
A dding fav
dding favour
our it
ites fr
es fr om cat
om cat egor
egories
ies #
Select ©. #
Select ß. #
Select r. #
Select WCreate new favourite. #
Select the categor y. #
Select a favo urite.
Linking fav
Linking favour
our it
ites wit
es wit h t
h the MBUX Int
he MBUX Int er
erior Assis-
ior Assis-
t
t ant V pose
ant V pose #
Select ©. #
Select ß. #
Select r. #
Select DriverorPassenger. #
Select the categor y. #
Select a favo urite. Syst
Syst
em se
em se ttings
ttings Ov
Ov
er
ervie
vie w of t
w of t he sy
he syst
stem se
em se ttings menu
ttings menu In
the system settings menu, you can make set-
tings in thefo llowing menus and control ele-
ments:
R Displa y:
- Display brightness
R Control elements:
- Keyboard language and handwriting recog-
nition
- Sensitivity of theTo uch Controls
- Haptic operation forth eto uchscreen
R MBUX Voice Assistant
R MBUX Interior Assistant
R Tone
- Enter tainment -
Navigation and tra1c announcements
- Telephone
- Voice ampli/cation
R Data pr otection
R Connectivit y:
- Wi-Fi, Blue tooth ®
, NFC
R MBUX rear tablet child-proof lock
R Time & date
R Language
R Units for distance
R System PIN
R SoTware update
R System reset Ov
Ov
er
ervie
vie w of
w of soTw
soTw are
areupdat
updat es
es Impor
tant soTwa reupdates may be necessary for
th e security of your multimedia system's data.
Install these updates, or else the security of your
multimedia system cannot be ensured.
The multimedia system displa ysa cor responding
message when a soTware update is available. 382 382
MBUX multimedia system

If it is not possible
torestore the pr evious version,
th e display message shown abo veappears every
time theve hicle is star ted.
F
F ailur
ailur e of t
e of t he dr
he driv
iver display
er display
If th e driver display fails or there is a malfunction,
yo u may not recognise limitations in the functions
of systems releva nt tosaf ety or the speed displa y,
fo rex ample. The operating saf ety of theve hicle
may be impaired. Drive on carefully and ha vethe
ve hicle checked at a quali/ed specialist workshop
immediately (/ page 515).
Fu rther information about soTware updates can
be found at https://me.secure.mercedes-
benz.com.
F F ailur
ailur e of t
e of t he centr
he centr al display
al display
If th e central display fails or the display message
shown abo veis shown continuousl y,se veral sys-
te ms such as there ve rsing camera, PARKTRONIC
or climate control are no longer available. Drive
on carefully and consult a specialist workshop as
soon as possible. Se
Se
tting up a W
tting up a W i-F
i-Fi ho
i ho tspot
tspot R
R
eq
eq uir
uir ements:
ements:
R The Wi-Fi function is acti vated on the multime-
dia system and the communication device to
be connected.
R The communication device tobe connected
supports at least one of the types of connec-
tion described.
The connection types shown depend on the
device tobe connected. The function must be
suppor tedby the multimedia system and by
th e device tobe connected. The type of con-
nection established must be selected on the
multimedia system and on the device tobe
connected.
% Some functions may /r stneed tobe activated
on the communication device being connec-
te d. More de tailed information can be found
in the manufacturer's operating inst ructions.
% The use of theve hicle data tari. by ex tern al
devices is not available in all countries. Multimedia system:
4 © 5
Settings 5
System
5 Internet and Bluetooth
% The availability of the functions is dependent
on the countr y. #
Select Wi-Fi.
The controller is totheright: Wi-Fi is switched
on.
When theWi -Fi function is switched on, you can
connect the multimedia system with extern al hot-
spots or make it available as a hotspot forex tern al
devices.
When theWi -Fi function is switched o., it is not
possible toestablish a hotspot connection.
When theWi -Fi function is switched o., no con-
nection can be established with the MBUX rear
ta blet.
% The data volume can be pur chased dir directl ectl y
y
fr
fr om a mobile phone ne
om a mobile phone ne tw
twor
ork pro
k pro vider
vider viathe
Mercedes me Portal.
% The use of theve hicle data tari. by ex tern al
devices is not available in all countries. 384
384
MBUX multimedia system

Using t
Using t
he multimedia syst
he multimedia syst em as a W
em as a Wi-F
i-Fi ho
i ho tspot
tspot #
Select MBUX hotspot. #
Select one of thefo llowing connection
options.
Connecting using a QR code
Connecting using a QR code
Re quirement: an app for scanning the QR code is
installed on the device being connected.
Alternativel y:the device being connected has an
integ rated QR code scanner (see manufacturer's
operating instructions). #
Scan the QR code shown.
The Wi-Fi connection is established.
Connecting using NFC Connecting using NFC #
Activate NFC on the device tobe connected. #
When the NFC icon is displa yed in theMBUX
hotspot menu, hold the device tobe connec-
te dto the NFC inter face. #
Follow the inst ructions on the device.
The Wi-Fi connection is established. Connecting using a secur
Connecting using a secur
itykey
ity key #
Select theve hicle from the device tobe con-
nected. The vehicle is displ ayed with the
MBUX XXXXX network name. #
Enter the security key which is shown in the
cent ral display on the device tobe connected. #
Con/rm the entr y.
Gener
Gener ating a ne
ating a ne w secur
w securitykey
ity key #
Select the hotspot name MBUX XXXXXinthe
MBUX hotspot menu. #
Con/ rmthe prom ptwith Yes.
A new security key is generated.
A connection will be established with the ne wly
created security key.
% When a new security key is generated, all
ex isting Wi-Fi connections are then discon-
nected. If theWi -Fi connections are being re-
established, the new security key must be
en tere d. Using a mobile communication de
Using a mobile communication de
vice as a W
vice as a Wi-Fi
i-Fi
ho
ho tspo
tspo t (tet
t (t ether
her ing)
ing)
An extern al Wi -Fi hotspot is accessed forthe
Internet connection of the multimedia system.
The data tari. ofthe mobile communication
device via Acquired package is usedforth e data
connection.
% This function is countr y-dependent.
% With extern al Wi -Fi hotspots, whi chare
encryp ted via TKIP, online soTware updates
cannot be car ried out via theex tern al Wi -Fi
hotspot. #
Select theConnect to the Internet option in
th eInternet and Bluetooth menu.
Se Se tting up an Int
tting up an Int er
erne
ne t connection via W
t connection via W i-Fi
i-Fi
% The Wi-Fi function on the mobile phone and
Internet access via Wi-Fi must be acti vated
(see the manufacturer's operating instruc-
tions). #
Select Search for access. #
Select the networ k. #
Log in totheWi -Fi networ k.
or MBUX multimedia system
385
385

fo
re , obser vethe legal requ irements, in partic-
ular the data pr otection regulations, in your
countr y.
Fo rth is reason, before using the dashcam
inform yourself about there gulation de tails for
th ere specti vecount ry.
This function is not permitted in all countries. #
Obser vethe count ry-speci/c regula-
tions. %
Toensure secure operation, only use FAT32
or exFA Tfo rm atted USB storage devices.
% The /le size and therefore the duration of sin-
gle recording is limited bythe limitations of
th e USB 0ash drive form at. So FAT32 form at-
te d USB 0ash drives do not allow /les lar ger
th an 4 GB, forex ample.
When the /le size is reached, there cording
stops and youre ceive a noti/cation.
% The following functions are available in the
Gallery app:
R Swit ching write pr otection on or o.
R Deleting video /les Selecting a USB de
Selecting a USB de
vice f
vice for a video r
or a video r ecor
ecording with
ding with
t
t he dashcam
he dashcam R
R
eq
eq uir
uir ements:
ements:
R Atleast one USB device is connected with the
multimedia system .
Multimedia system: 4 © 5
Apps 5
Dashcam #
Select the USB symbol. #
Select the USB device.
% When USB devices contain multiple partitions,
recorded video /les are not alw ays displa yed
in there cording list.
Mercedes-Benz recommends that you use
USB devices with one partition. S S
t
tar
ar ting or st
ting or st opping video r
opping video r ecor
ecording wit
ding wit h t
h the
he
dashcam
dashcam R
R
eq
eq uir
uir ements:
ements:
R Forre cording and saving a video /le: a USB
device is connected with the multimedia sys-
te m.
R The vehicle is switched on. Multimedia system:
4 © 5
Apps 5
Dashcam #
If se veral USB devices are connected with the
multimedia system, select a USB device
(/ page 396).
If no USB device is selected, a selection is
made automatically when recording starts. #
T To select a r
o select a r ecor
ecording mode:
ding mode: selectLoop
recording orIndividual recording.
Loop recording records se veral short video
/les. When the memory is full, recording is
continued automatical ly. In doing so, other
/les will be overwritten starting with the oldest
/le.
Individual recording stopsrecording when the
memory limit is reached. An individual record-
ing is automatical lyprotected against being
ove rwritten. #
T To st
o st art
art::select Start recording.
The length of there cording is shown. The
Please do not remove the storage medium.
message appears. The video /le is stored on
th e USB device. #
T To end:
o end: selectEnd recording .396
396
MBUX multimedia system

and hit
vehicle occupants. In addition, cup
holders, open st owage spaces and mobile
phone recep tacles cannot alw aysreta in all
objects within.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects so that they cannot
be thro wn around in such situations. #
Always make sure that objects do not
pr otru de from st owage spaces, lug gage
nets or st owage nets. #
Close the loc kable st owage spaces
before starting a jou rney. #
Always st owand secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe additional information on st owing
mobile communications devices cor rectl y:
R Loading theve hicle (/ page 148)
Blu et
Bluet ooth
oo th® ®
connection:
connection: The menu view and
theav ailable functions in the
te lephone menu are in part dependent on the
Blue tooth ®
pro/le of the connected mobile
phone. If the mobile phone supports all thefo l-
lowing Blue tooth ®
pro/les, the full range of fea-
tures is available:
R PBAP (Phone Book Access Pro/le)
- The contacts on the mobile phone are
shown automatically on the multimedia
system.
R MAP (Message Access Pro/le)
- The mobile phone message functions can
be used on the multimedia system.
R HFP (hands-free pro/le)
- Wireless telephony is available on the mul-
timedia system.
R SAP (SIM Access Pro/le)
- The car telephone has access tothe SIM
card data and dials into the mobile phone
network via theex terior aerial.
Ir re specti veofthis, Blue tooth ®
audio functionality
can byused with any mobile radio unit. Fo
r information on thera nge of functions of the
mobile radio unit tobe connected, see the manu-
fa cturer's operating instructions.
N N e
etw
tw or
ork connection:
k connection:
The following cases can lead tothe call being dis-
connected while theve hicle is in motion:
R You switch into a transmission/reception sta-
tion, in which no communication channel is
free.
R The SIM card used is not compatible with the
network available
R A mobile phone with "Twincard" is log ged into
th e network with the second SIM card at the
same time
The multimedia system supports calls in HD
Vo ice ®
for impr oved speech qualit y.Arequ ire-
ment forth is is that the mobile phone and the
mobile phone network pr ovider of the person you
are calling support HD Voice ®
.
Depending on thequ ality of the connection, the
vo ice quality may 0uctuate. 398 398
MBUX multimedia system

More information about Mercedes me connect
services can be obtained in
the Mercedes me Por-
ta l: https://me.secure.mercedes-benz.com
Dat Dat a tr
a transf
ansf err
erred dur
ed dur ing Mer
ing Mer cedes me connect
cedes me connect
call ser
call ser vices
vices
The data transfer red during a Mercedes me con-
nect call depends on:
R The reason for initiation of the call
R The service that is selected in thevo ice con-
trol system
R The activated Mercedes me connect services
Yo u can /nd out which data is transfer red when
using the services in the cur rently valid Mercedes
me connect term s of use and the data pr otection
information for Mercedes me connect. You can
/nd these in your Mercedes me user account. Ov
Ov
er
ervie
vie w of t
w of t he Mer
he Mer cedes me & Apps menu
cedes me & Apps menu When
you log in with a user account tothe
Mercedes me Portal, then services and o.ers
from Mercedes-Benz will be available toyou. Fo
r more information consult a Mercedes-Benz
service centre or visit the Mercedes me por tal:
https://me.secure.mercedes-benz.com
% Make sure you alw ayske ep the Mercedes me
apps updated.
Yo u can call up the menu using Appsinthe multi-
media system.
In theApps menu, thefo llowing options can be
av ailable:
R Connecting theve hicle with theMercedes me
user account
R Deleting a connection between a Mercedes
me user account and theve hicle
R Calling up the Mercedes me services
R Calling up apps such as, In-Car O1ce or the
we b br owser depending on availability Ov Ov
er
ervie
vie w of In-Car
w of In-Car O1ce
O1ce Using In-Car O1ce,
you can connect your online
services with the multimedia system. Re
quirements for In-Car O1ce:
R The In-Car O1ce service is activated in your
Mercedes me user account.
R You ha vea Mercedes me user account.
R You ha veset a Mercedes me PIN.
R You ha vesynchronised your Mercedes me
user account in theve hicle and via Mercedes
me.
R You ha vea user account with an online
service, e.g. with O1ce 365 or Gmail, and
ha ve connected the user account with In-Car
O1ce.
Alternatively you can link this user account
from the multimedia system toyour Mercedes
me user account. You will be o.ered a QR
code that will take youto thewe bsite from
which you can make the link.
In-Car O1ce functions
R Display pending appointments in the calendar
- Reading out calendar ent ries 406 406
MBUX multimedia system

#
Push bo thsides of warning triangle holder 1
in the direction of the ar row and open it. #
Remo vewarning triangle 2.
Se
Se tting up t
tting up t he w
he war
arning tr
ning tr iangle
iangle #
Fold side re0ectors 1upwards toform a tri-
angle and attach at theto p using upper press-
stud 2. #
Fold legs 3down and out tothe side. F
F
irs
irst-aid kit t-aid kit (soT
(soTsided)
sided) Fi
rs t-aid kit (soT sided) 1is loca ted on theright-
hand side of the boot and is secured with hook-
and-loop tape 2. R
R
emo
emo ving t
ving t he
he/re
/re e
extinguisher
xtinguisher *
N
NOOTE
TE Damage tothe st owage compart-
ment #
Keep the st owage compartment closed
while theve hicle is moving. #
Pull handle 1up and fold the co verfo rw ards
in the direction of the ar row. 438
438
Breakdown assistance

Yo
u can use TIREFIT tyre sealant toseal per fora-
tion damage of up to4 mm, particular lythose in
th e tyre contact sur face. You can use TIREFIT in
outside temp eratures down to-20 °C. &
W
WARNING
ARNING Risk of accident when using
tyre sealant
The tyre sealant may be unable toseal the
tyre proper ly, especially in thefo llowing cases:
R there are lar gecuts or punctures in the
tyre (larg erthan damage pr eviously men-
tioned)
R the wheel rims ha vebeen damaged
R aTer journe yswith very low tyre pressure
or with 0at tyres #
Do not continue driving. #
Consult a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of injury and poisoning
from tyre sealant
Ty re sealant is hazardous tohealth and causes
ir rita tion. Do not allow it tocome into contact with
your skin, eyes or clo thing, and do not
swallow it. Do not inhale any vapours. Keep
th e tyre sealant away from children.
Obser vethefo llowing if you come into contact
with the tyre sealant: #
Rinse o. the tyre sealant from your skin
using water immediatel y. #
If tyre sealant gets into your eyes, thor-
oughly rinse them using clean water
immediatel y. #
If tyre sealant has been swallo wed,thor-
oughly rinse out your mouth immediately
and drink plenty of water. Do not induce
vo miting and seek medical attention
immediatel y. #
Change out of clo thing which has come
into contact with tyre sealant immedi-
atel y. #
If an alle rgic reaction occurs, seek medi-
cal attention immediatel y. *
N NO
OTE
TE Overheating due tothe tyre in0ation
compressor running too long #
Do not runth e tyre in0ation compressor
fo r longer than ten minutes without inter-
ru ption. Comply with
the manufacturer's saf ety no tes on
th e stic ker on the tyre in0ation compressor.
Ha ve the tyre sealant bottle replaced in a quali/ed
specialist workshop every /ve years. #
Do not remo veany fore ign objects which ha ve
entered the tyre. Breakdown assistance
441
441