2020 MERCEDES-BENZ S-CLASS SALOON LONG ECU

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The display message does not appear every
time a software upda teis ins talled.
In rare cases, an er ror can occur during the
ins tallation. The multimedia sy stem automati‐
cally attem ptsto restore the pr evious version.
If it is not possible torestore the pr evious ver‐
sion, the display messages shown abo veappear
eve rytime the engine is star ted.
Fa ilure of the central display
If th e cent ral display fails or the display message
shown abo veis shown continuousl y,se veral sys‐
te ms such as there ve rsing camera,
PA RKTRONIC or climate cont rol are no longer
av ailable. Drive on carefully and consult a spe‐
cialist workshop as soon as possible.
Fa ilure of the driver display
If th e driver display fails or there is a malfunc‐
tion, you may not recognise limitations in the
functions of sy stems releva nt tosaf ety or the
speed displa y,forex ample. The operating saf ety
of theve hicle may be impaired. Drive on care‐
fully and ha vetheve hicle checked at a qualified
specialist workshop immediately (/ page 502).Fu
rther information about software updates can
be found at https://me.secure.mercedes-
benz.com. Setting up a
Wi-Fi hotspot Re
quirements:
R Wi-Fi is acti vated on the multimedia sy stem
and the communication device tobe connec‐
te d.
R The communication device tobe connec ted
supports at least one of the types of connec‐
tion described.
The connection types shown depend on the
device tobe connec ted. The function must
be suppor tedby the multimedia sy stem and
by the device tobe connec ted. The type of
connection es tablished must be selected on
th e multimedia sy stem and on the device to
be connec ted.
% Some functions may firs t need tobe activa‐
te d on the communication device being con‐
nected. More de tailed information can be fo
und in the manufacturer's operating
instructions.
% The use of theve hicle data tariff by extern al
devices is not available in all countries.
Multimedia sy stem:
4 © 5
Settings 5
System
5 Internet and Bluetooth #
Select Wi-Fi.
The controller is totheright: Wi-Fi is
switched on.
When Wi-Fi is switched on, you can connect the
multimedia sy stem with extern al hotspots or
make it available as a hotspot forex tern al devi‐
ces.
When Wi-Fi is switched off, it is not possible to
es tablish a hotspot connection.
When Wi-Fi is switched off, no connection can
be es tablished with the MBUX rear tablet.
% The availability of the functions is dependent
on the count ry. MBUX multimedia sy
stem 313

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The vehicle's data volume is used for data
connection via the multimedia sy stem. Data
vo lumes can be pur chased via the Mercedes
me Portal.
The data tariff of the mobile communication
device is used forth e data connection via an
ex tern al communication device.
Using the multimedia sy stem as a Wi-Fi hot‐
spot #
Select MBUX Hotspot .#
Select one of thefo llowing connection
options.
Connecting using a QR code
Re quiremen t:an app for scanning the QR code is
ins talled on the device being connected.
Alternatively: the device being connected has an
integrated QR code scanner (see manufacturer's
operating instructions). #
Scan the QR code shown.
The Wi-Fi connection is es tablished.
Connecting using NFC #
Activate NFC on the device tobe connec ted. #
Hold the device tobe connec tedto the NFC
inter face when the NFC symbol appears in
th est atus line. #
Follow the instructions on the device.
The Wi-Fi connection is es tablished.
Connecting using a security key #
Select theve hicle from the device tobe con‐
nec ted. The vehicle is displa yed with the
MBUX XXXXX network name. #
Enter the security key which is shown in the
central displ ayon the device tobe connec‐
te d. #
Confirm the entry.
Genera ting a new security key #
Select the security key in theMBUX Hotspot
menu. #
Confirm the prom ptwith Yes.
A new security key is generated.
A connection will be es tablished with the newly
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-es
tablished, the new security key must be
en tere d.
Using a mobile communication device as a
Wi -Fi hotspot (t ethering)
An extern al Wi -Fi hotspot is accessed forthe
Internet connection of the multimedia sy stem.
The data tariff of the mobile communication
device via Acquired data package is usedforthe
data connection.
% This function is count ry-dependent. #
Select theSet up option in theInternet and
Bluetooth menu. #
Select Connect to the Internet . #
Select one of thefo llowing connection
options.
Setting up an Internet connection via Wi-Fi
% The Wi-Fi function on the mobile phone and
Internet access via Wi-Fi mu stbe activated
(see the manufacturer's operating instruc‐
tions). #
Select Search for Internet access . #
Select the networ k. 314
MBUX multimedia sy stem

intended
forth is purpose, e.g. in the
re ar passenger compartment. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating mobile communication equipment in
th eve hicle. &
WARNING Risk of inju rydue toobjects
being stowed incor rectly
If objects in theve hicle interior are stowed
incor rectly, they can slide or be thrown
around and hit vehicle occupants. In addi‐
tion, cup holders, open stowage spaces and
mobile phone recep tacles cannot al ways
re tain all objects within.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects so that they can‐
not be throw n around in su chsitua‐
tions. #
Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets. #
Close the loc kable stow age spaces
before starting a journe y. #
Alw aysstow and secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe additional information on stowing
mobile communications devices cor rectly:
R Loading theve hicle (/ page134)
Blue tooth ®
connection
The menu view and theav ailable functions in the
te lephone menu are in part dependent on the
Blu etoo th®
profile of the connected mobile
phone. If the mobile phone supports all thefo l‐
lowing Blue tooth®
profiles, the full range of fea‐
tures is available:
R PBAP (Phone Book Access Profile)
- The contacts on the mobile phone are
shown automatically on the multimedia
sy stem. R
MAP (Message Access Profile)
- The mobile phone message functions can
be used on the multimedia sy stem.
R HFP (hands-f ree profile)
- Wireless telephony is available on the
multimedia sy stem.
R SAP (SIM Access Profile)
- The car telephone has access tothe SIM
card data and dials into the mobile phone
network via theex terior aerial.
Ir re spective of this, Blue tooth®
audio functional‐
ity can byused with any mobile radio unit.
Fo r information on thera nge of functions of the
mobile radio unit tobe connec ted, see the man‐
ufacturer's operating instructions.
Ne twork connection:
The following cases can lead tothe call being
disconnected while theve hicle is in motion:
R You swit chinto a transmission/reception
st ation, in which no communication channel
is free. 322
MBUX multimedia sy stem

More information about Mercedes me connect
services can be obtained in the Mercedes me
Po rtal: https://me.secure.mercedes-benz.com
Data trans ferre d during Mercedes me con‐
nect call se rvices
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 selec ted in thevo ice con‐
trol sy stem
R The activated Mercedes me connect services
Yo u can find out which da tais 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 con‐
nect. You can find these in your Mercedes me
user account. Mercedes me calls
Making a call via
theove rhead control panel
% Mercedes me calls are not possible in every
count ry. Find out at a Mercedes-Benz service centre if
these functions are availa‐
ble in your count ry. 1
me button for service or information calls
2 SOS button co ver
3 SOS button (emergency call sy stem)
Making a Mercedes me call #
Press me button 1. Making an emer
gency call #
Toopen the co ver of SOS button 2, press it
brief ly. #
Press and hold SOS button 3for at least
one second.
If a Mercedes me call is active, an emer gency
call can still be triggered. This has priority over
all other active calls.
Information about the Mercedes me call
using the me but ton
A call tothe Mercedes-Benz Cus tomer Centre
has been initia ted via the me button in theove r‐
head control panel or the multimedia sy stem
(/ page 326).
Using thevo ice dialogue sy stem you access the
desired service:
R Accident and Breakdown Management
R Mercedes-Benz Cu stomer Centre forge neral
information about theve hicle
Yo u can find information on thefo llowing topics:
R Activation of Me rcedes me connect
R Operating theve hicle 326
MBUX multimedia sy stem

used
forot her activated Mercedes me connect
services.
The incident-specific data is processed and
st ored in the Mercedes-Benz Cus tomer Centre
and, if requ ired toprocess the incident, forw ar‐
ded tothe service partner authorised bythe
Mercedes-Benz Cus tomer Centre. Please take
no te ofthe data pr otection information on the
Mercedes me Internet page https://
www.mercedes.me or in there corded message
immediately af ter calling the Mercedes-Benz
Cus tomer Centre.
% The recorded message is not available in
eve rycountr y. Overview of
the Mercedes me & Apps menu When
you log in with a user account tothe
Mercedes me Portal, then services and of fers
from Mercedes-Benz will be available to you.
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 mul‐
timedia sy stem.
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 Of fice or the
we b br ows er depending on availability Overview of In-Car Of
fice Using In-Car Of
fice, you can connect your online
services with the multimedia sy stem.
Re quirements for In-Car Of fice:
R The In-Car Of fice service is acti vated 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. Of fice 365 or Gmail, and ha ve
connected the online service with your
Mercedes me user account.
Alternatively you can link this user account
from the multimedia sy stem to yo ur
Mercedes me user account. You will be
of fere d a QR code that will take youto the
we bsite from which you can make the link.
In-Car Of fice functions:
R Display pending appointments in the calen‐
dar
- Reading out calendar ent ries
- Calling (requirement being that a tele‐
phone is connec ted and a telephone
number is sa ved)
- Navigating toappointments (requirement
being that the appointment conta ins a
navigable destination) 330
MBUX multimedia sy stem

Wa
rning triangle Re
moving the warning triangle #
Push bo thsides of warning triangle holder
1 inthe direction of the ar row and open it. #
Remo ve wa rning triangle 2. Setting up
thewa rning triangle #
Fold side reflectors 1upwards toform a tri‐
angle and attach at theto p using upper
press-stud 2. #
Fold legs 3down and out tothe side. Fi
rs t-aid kit (soft sided) Fir
st-aid kit (so ftsided) 1is located on the
ri ght-hand side of the boot and is secured with
Ve lcro strip 2. Breakdown assis
tance 361

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You can find information on the po wer cate‐
gory (LK) and/or electrical data on the back
of the tyre inflation compressor:
R LK2 – 12V/15 A,180W, 0.8 kg
At a dis tance of appr oximately 1 m tothe
tyre inflation compressor and appr oximately
1. 6 m abo vethe ground, thefo llowing sound
pressure le vels apply:
R Emissions sound pressure le vel
L PA 83 dB (A)
R Sound po wer le vel L
WA 91
dB (A)
The tyre inflation compressor is mainte‐
nance-free. If there is a malfunction, please
conta ct aqualified specialist workshop. Using
the TIREFIT kit Re
quirements:
R Tyre sealant bottle and tyre inflation com‐
pressor (/ page 363)
R TIREFIT sticker
R Gloves (depending on theve hicle equipment) Yo
u can use TIREFIT tyre sealant toseal per fora‐
tion dama geof up to4 mm, particularly those in
th e tyre conta ct surface. You can use TIREFIT in
outside temp eratures down to-20 °C. &
WARNING Risk of accident when using
tyre sealant
The tyre sealant may be unable toseal the
tyre properly, especially in thefo llowing
cases:
R there are lar gecuts or punctures in the
tyre (larger than damage pr eviously men‐
tioned)
R the wheel rims ha vebeen damaged
R afte r journe yswith very low tyre pressure
or with flat tyres #
Do not continue driving. #
Consult a qualified specialist workshop. &
WARNING Risk of inju ryand poisoning
from tyre sealant
Ty re sealant is hazardous tohealth and cau‐
ses ir rita tion. Do not allow it tocome into
contact wi thyour skin, eyes or clo thing, and
do not swallow it. Do not inhale any vapours.
Ke ep the tyre sealant away from children.
Obser vethefo llowing if you come into con‐
ta ct wi th the tyre sealant: #
Rinse off 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 swallowe d,
th oroughly rinse out your mouth imme‐
diately and drink plenty of water.Do not
induce vomiting and seek medical
attention immediately. #
Change out of clo thing which has come
into con tact wi thtyre sealant immedi‐
ately. 364
Breakdown assi stance

Obser
vethe additional following points during
st arting assistance:
R Starting assis tance may only be pr ovided
using vehicles, batteries or other jump start
devices with a nominal voltage of 12V.
R The vehicles must not touch.
R Vehicles with a petrol engine: jump-start
th eve hicle only when the engine and exhaust
sy stem are cold. St
arting assi stance and charging the12 V
battery Preparing
starting assi stance/the charging
process #
Secure theve hicle byapplying the electric
parking brake. #
Select transmission position j.#
Switch off the ignition and all electrical con‐
sumers. #
Open the bonn et. #
Open co ver1. #
Slide pr otective co ver2 of positive contact
3 onthe jump-s tarting connection point in
th e direction of the ar row. St
arting assi stance #
Connect the positive conta cts oftheve hicles
with the jump lead. Start with your ow nve hi‐
cle firs t. #
Start the engine of the donor vehicle and run
it at idling speed. #
Connect negative term inal 4ofthe donor
battery tothe ear thpoint of your vehicle 372
Breakdown assis tance