key MERCEDES-BENZ E-CLASS SALOON 2021 Owner's Guide

#
apply the parking brake. #
Switch the transmission toposition 005D. &
W
W ARNING
ARNING Risk of /re caused byhot
ex haust system parts
Flammable materials such as lea ves, grass or
twigs may ignite. #
Park theve hicle so that no 0ammable
material can come into contact with hot
ve hicle components. #
In particular, do not park on dry grass-
land or har vested grain /elds. &
W
W ARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c. R
operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
N
NOOTE
TE Damage totheve hicle due toitro ll-
ing away #
Always secure theve hicle against rolling
awa y. *
N
NO
OTE
TE Damage due totheve hicle lo wering V
V
ehicles wit
ehicles wit h AIR BOD
h AIR BODY C
Y CONTR
ONTR OL or lev
OL or lev el
el
contr
contr ol:
ol:The vehicle can lo wer because of tem-
perature di.erences or longer non-operational
times. This can cause damage toparts of the
body. #
When stopping theve hicle and when
driving o., make sure that there are no
obstacles such as curbs under or in the
immediate vicinity of the body. Driving and parking
209 209

Electr
Electr
ic par
ic parking br
king br ake
ake F
F
unction of t
unction of t he electr
he electric par
ic par king br
king br ak
ak e (appl
e (appl ying
ying
aut
aut omaticall
omaticall y)
y) &
W
WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. The electr
The electr
ic par
ic parking br
king br ak
ak e is applied if t
e is applied if t he tr
he trans-
ans-
mission is in position
mission is in position 005D
005D and one of t
and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle is switched o..
R The seat belt tongue is not inse rted in the seat
belt buckle of the driver's seat and the driver's
door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page 214).
In t
In t he f
he f ollo
ollowing situations, t
wing situations, t he electr
he electric par
ic parking
king
br
br ak
ak e is also applied:
e is also applied:
R The HOLD function is keeping theve hicle sta-
tionar y.
R Active Parking Assist is keeping theve hicle
stationar y.
R Active Distance Assist DISTRONIC is bringing
th eve hicle toa standstill. R
In addition, one of t
In addition, one of t he f
he follo
ollowing conditions
wing conditions
mus
mus t be
t be ful/lled:
ful/lled:
- The vehicle is switched o..
- The seat belt tongue is not inse rted in the
seat belt buckle of the driver's seat and
th e driver's door is opened.
- There is a system malfunction.
- The po wer supply is insu1cient.
- The vehicle is stationary for a lengt hy
period.
When the electric parking brake is applied, the
re d0024 indicator lamp lights up in the inst ru-
ment cluster.
% The electric parking brake is not automatically
applied if theve hicle is switched o. bythe
ECO start/s top function.
F
F unction of t unction of t he electr
he electric par
ic parking br
king br ak
ake (r
e (r eleasing
eleasing
aut
aut omaticall
omaticall y)
y)
The electr
The electr ic par
ic parking br
king br ak
ake is r
e is r eleased when t
eleased when t he
he
f
f ollo
ollo wing conditions ar
wing conditions ar e
eful/lled:
ful/lled:
R The driver's door is closed.
R The vehicle has been star ted. Driving and parking
213
213

re
ceive a noti/cation in the multimedia system
when you switch theve hicle on.
Yo u will receive information about thefo llowing
points:
R The area of theve hicle that may ha vebeen
damaged.
R The forc e of the impact.
The following situation can lead toinadver tent
activation:
R The par kedve hicle is mo ved, forex ample, in a
two-s tore yga rage.
% Deactivate tow- awa y protection in order to
pr ev ent inadver tent activation. If you deacti-
va te to w-awa y protection, collision de tection
will also be deactivated.
Syst
Syst em limits
em limits
De tection may be restric ted in thefo llowing situa-
tions:
R theve hicle is damaged without impact, for
ex ample, if an outside mir ror is torn o. or the
paint is damaged byakey
R an impact occurs at low speed R
the electric parking brake is not applied N
No
ot
tes on par
es on par king up t
king up the v
he vehicle
ehicle If
yo u lea vetheve hicle par ked up for longer than
six weeks, it may su.er damage thro ugh disuse.
The 12 V battery may also be impaired or dam-
aged byheavy discharging.
% Further information can be obtained at a
qu ali/ed specialist workshop. S S
t
tandb
andb y mode (e
y mode (e xt
xt ension of t
ension of t he st
he start
arter batt
er batt er
ery's
y's
per
per iod out of use)
iod out of use) S
S
t
tandb
andb y mode function
y mode function
% This function is not available for all models.
If standby mode is activated, energy loss will be
minimised during extended periods of non-opera-
tion.
St andby mode is characterised bythefo llowing:
R The star ter battery is preser ved.
R The maximum non-operational time appears in
the media displa y. R
The connection toonline services is inter rup-
te d.
R The ATA (anti-theT alarm system) is not availa-
ble.
R The interior pr otection and tow- aw ay protec-
tion functions are not available.
R The function for de tecting collisions on a
par kedve hicle is not available.
If th efo llowing conditions are ful/lled, standby
mode can be activated or deactivated using the
multimedia system:
R The vehicle is switched on.
R The vehicle has not been star ted.
Exceeding theve hicle's displ ayed non-operational
time may cause incon venience; i.e. it cannot be
guaranteed that the star ter battery will reliably
start theve hicle.
Char gethe star ter battery in thefo llowing situa-
tions:
R The vehicle's non-ope rational time must be
ex tended. Driving and parking
215 215

-
Instrument lighting
- Displ aybrightness
- Edge lighting
- Day/night design
R Control elements
- Keyboard language and handwriting recog-
nition
- Sensitivity of theto uchpad
- Sensitivity of theTo uch Controls
R LINGU ATRO NIC
R Sound
- Enter tainment
- Navigation and tra1c announcements
- Telephone
- Voice ampli/cation tothere ar
R Connectivity
- Wi-Fi, Blue tooth ®
, NFC
R Time & date
R Language
R Units for distance R
SoTware updates
R Data import/export
R PIN pr otection
R System Reset Inf
Inf
or
ormation on im
mation on im port
portant syst
ant syst em updat
em updat es
es Impor
tant system updates 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.
A system update consists of thre e steps:
R Downloading or copying of the data requ ired
fo r installation
R Installation of the downloaded system update
R Activation of the downloaded system update
by restarting the system
% If automatic soTware updates are activated,
th e system updates will be downloaded auto-
maticall y.
The multimedia system pr ovides a message when
a system update is available. Yo
u ha vethefo llowing selection options:
R Accept and install
The system update will be downloaded in the
background.
R Information
Information about the pending system update
is displa yed.
R Later
The system update can be downloaded man-
ually at a later time.
Deep syst
Deep syst em updat em updates
es
Deep system updates access vehicle or system
settings and can therefore only be car ried out
when theve hicle is stationary and the ignition is
switched o..
If th e download of a deep system update is com-
ple ted and the downloaded system update is
re ady for installation, you will be informed of this
aTer the next ignition cycle, forex ample.
% Park theve hicle safely in a suitable location
before starting the installation. 322 322
MBUX multimedia system

Re
quirements forth e installation:
R The ignition is switched o..
R Notes and warnings ha vebeen read and
accep ted.
R The electric parking brake is applied.
If all requ irements ha vebeen ful/lled, the down-
loaded system update is installed. The multimedia
system cannot be operated while the downloaded
system update is being installed and vehicle func-
tions are restric ted.
If errors should occur during the installation, the
multimedia system automatically attem ptsto
re store the pr evious version. If restoration of the
pr ev ious version is not possible, a symbol appears
on the media displa y.Consult a quali/ed special-
ist workshop toresol vethe problem. 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 T
To se
o se t up t
t up t he W
he Wi-F
i-Fi connection of t
i connection of t he multime-
he multime-
dia syst
dia syst em wit
em with e
h ext
xter
er nal ho
nal ho tspo
tspots:
ts:there is no
communication module installed. R
The device tobe connected supports at least
one of the types of connection described.
Multimedia system: 4 © 5
Settings 5
System
5 Wi-Fi & Bluetooth
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating W
ating Wi-Fi
i-Fi #
Select Wi-Fi.
Connecting t
Connecting t he multimedia syst
he multimedia syst em wit
em with an e
h an ext
xter-
er-
nal ho
nal ho tspo
tspot using W
t using W i-Fi
i-Fi
The type of connection established must be selec-
te d on the multimedia system and on the device
to be connected.
% The connection procedure may di.er depend-
ing on the device. Follow the inst ructions that
are shown in the displa y.Fu rther information
can be found in the manufacturer's operating
inst ructions. #
Select Internet settings . #
Select Connect via Wi-Fi . #
Select Add hotspot. Connecting using a QR code Connecting using a QR code #
Select the options 0048ofthe desired Wi-Fi
networ k. #
Select Connect using a QR code. #
Scan the displa yed QR code with the device to
be connected.
The Wi-Fi connection is established.
Connecting using a secur Connecting using a secur itykey
ity key #
Select the options 0048ofthe desired Wi-Fi
networ k. #
Select Connect using security key. #
Have the security key displa yed on the device
to be connected (see the manufacturer's oper-
ating inst ructions). #
Enter this security key on the multimedia sys-
te m. #
Con/rm the entry with ¡.
Connecting using a WPS PIN
Connecting using a WPS PIN #
Select the options 0048ofthe desired Wi-Fi
networ k. MBUX multimedia system
323
323

#
Select Connect using WPS PIN input .
The multimedia system generates an eight-
digit PIN. #
Enter this PIN on the device tobe connected. #
Con/rm the entr y.
Connecting using a butt
Connecting using a butt on
on#
Select the options 0048ofthe desired Wi-Fi
networ k. #
Select Connect via WPS PBC. #
Select "Connect via WPS PBC" in the options
on the device tobe connected (see the manu-
fa cturer's operating instructions). #
Press the WPS button on the device tobe con-
nected. #
Select Continue inthe multimedia system.
A
A ctiv
ctiv ating aut
ating aut omatic connection
omatic connection #
Select Connect via Wi-Fi. #
Select the options 0048ofthe desired Wi-Fi
networ k. #
Activate Permanent Internet connection .Connecting wit Connecting wit
h a kno h a known W
wn Wi-Fi
i-Fi #
Select Connect via Wi-Fi. #
Select a Wi-Fi networ k.
The connection is established again.
Con/gur
Con/gur ing
ing t
the multimedia syst
he multimedia syst em as a W
em as a Wi-F
i-Fi ho
i ho t-
t-
spo
spo t f
t for e
or e xt
xter
er nal de
nal de vices
vices
The type of connection established depends on
th e device tobe connected. The function must be
suppor tedby the multimedia system and bythe
device tobe connected. The type of connection
established must be selected on the multimedia
system and on the device tobe connected. #
Select Vehicle hotspot. #
Select Connect device to vehicle hotspot .
Connecting using WPS PIN g Connecting using WPS PIN g ener eneration
ation #
Select Connect using WPS PIN generation. #
Enter the PIN shown in the media display on
th e device tobe connected and con/ rm.
Connecting using WPS PIN entry
Connecting using WPS PIN entry #
Select Connect using WPS PIN input. #
Enter the PIN that is shown on theex tern al
device's displ ayon the multimedia system.
Connecting using a butt
Connecting using a butt on
on #
Select Connect via WPS PBC. #
Press the push button on the device tobe
connected (see the manufacturer's operating
inst ructions). #
Select Continue .
Connecting using a secur
Connecting using a secur itykey
ity key #
Select Connect device to vehicle hotspot.
A secu rity key is displa yed. #
Select theve hicle from the device tobe con-
nected. The vehicle is displ ayed with the
DIRECT-MBUX XXXXX network name. #
Enter the security key which is shown in the
media display on the device tobe connected. #
Con/rm the entr y.
Connecting using NFC
Connecting using NFC #
Select Connect via NFC. #
Activate NFC on the mobile device (see the
manufacturer's operating instructions). 324
324
MBUX multimedia system

#
Hold the device tobe connected at theve hi-
cle's NFC inter face. #
Select Finished.
The mobile device is now connected tothe
multimedia system hotspot via NFC.
Gener
Gener ating a ne
ating a ne w secur
w securitykey
ity key #
Select Vehicle hotspot. #
Select Generate security key.
A connection will be established wi th the
ne wly created security key. #
T
To sav
o sav e a secur
e a secur itykey
ity key :
:select Save.
When a new security key is sa ved, all existing
Wi -Fi connections are then disconnected. If
th eWi -Fi connections are being re-estab-
lished, the new security key must be en tere d. Syst
Syst
em language
em language N
No
ot
tes on t
es on t he syst
he syst em language
em language
This function allo wsyouto determ ine the lan-
guage forth e menu displa ysand the navigation
announcements. The selected language a.ects
th ech aracters available for entr y.The navigation
announcements are not available in all languages. If a language is not
available, the navigation
announcements will be in English.
Se
Se tting t tting t he syst
he syst em language
em language
Multimedia system:
4 © 5
Settings 5
System
5 00A7 Language #
Set the language.
% Ifyo u are using Arabic map data, thete xt
information can also be shown in Arabic on
th e navigation map. Todo so, select 

K
K
eeping t
eeping t he air
he air-w
-wat
ater duct fr
er duct fr ee
ee #
Keep the area between the bonnet and the
windscreen free of deposits, e.g. ice, snow
and lea ves. Cleaning and care
Cleaning and care
Inf
Inf
or
ormation on w
mation on w ashing t
ashing the v
he v ehicle in a car w
ehicle in a car w ash
ash &
W
WARNING
ARNING Risk of an accident due to
re duced braking po wer aTer washing the
ve hicle
Braking e1ciency is reduced aTer washing the
ve hicle. #
ATer theve hicle has been washed, brake
carefully while paying attention tothe
tra1c conditions until braking po wer has
been fully restored. *
N
NOOTE
TE Dama gefrom au tomatic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer tain
situations:
R Active Brake Assist
R Active Distance Assist DISTRONIC
R HOLD function
R Active Parking Assist
To avoid damage totheve hicle, deactivate
th ese systems in thefo llowing or similar situa-
tions: #
during towing #
in a car wash *
N
NOOTE
TE Damage due tounsuitable car wash #
Before driving into a car wash make sure
th at the car wash is suitable forth eve hi-
cle dimensions. #
Ensu rethere is su1cient ground clear-
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is su1cient. To
avo id damage toyour vehicle when using a car
wa sh, ensu rethefo llowing beforehand:
R Active Distance Assist DISTRONIC is deactiva-
te d.
R The HOLD function is switched o..
R The 360° Camera or there ve rsing camera is
switched o..
R The side windo wsand sliding sunroof are com-
ple tely closed.
R The blo werfo rth eve ntilation and heating is
switched o..
R The windsc reen wiper switch is in position 005A.
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise the boot lid could
open unintentionall y.
R For car washes with a con veyor system: Maintenance and care
367
367

-
Neutral 005Cis engaged.
- Ifyo uwo uld like tolea vetheve hicle while
it is being washed, make sure theke y is
located in theve hicle. The park position
005D isotherwise automatically engaged.
% If, aTer the car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper noise. Inf
Inf
or
ormation on using a high-pr
mation on using a high-pr essur
essure cleaner
e cleaner &
W
WARNING
ARNING Risk of an accident when using
high-pressure cleaners with round-spr ay
nozzles
The water jet can cause extern ally invisible
damage.
Components damaged in this wa y may un ex-
pectedly fail. #
Do not use a high-pressure cleaner with
ro und-spr aynozzles. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage toyour vehicle, obser vethefo l-
lowing when using a high-pressure cleaner:
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise the boot lid could
open unintentionall y.
R Maintain a distance of at least 30 cm tothe
ve hicle.
R V Vehicles wit
ehicles with decor h decorativ
ative f
e foil:
oil: Parts of your
ve hicle are co vered with a decorative foil.
Maintain a distance of at least 70 cm between
th efo il-co vered parts of theve hicle and the
nozzle of the high-pressure cleaner. Mo vethe
high-pressure cleaner nozzle around whilst
cleaning. The waterte mp erature of the high-
pressure cleaner must not exceed 60°C.
R Obser vethe information on the cor rect dis-
ta nce in the equipment manufacturer's oper-
ating inst ructions.
R Do not direct the nozzle of the high-pressure
cleaner directly at sensitive parts, such as
tyres, gaps, electrical components, batteries,
light sources and ventilation slits. W W
ashing t
ashing t he v
he vehicle b
ehicle b y hand
y hand *
N
NOOTE
TE Engine damage due towa ter ing ress #
Take care not topoint thewa ter jet
directly towa rdsth e air inlet grille below
th e bonnet. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted in
special lydesignated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarm water using a
soT car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle o. with water and
dry using a chamois.
% Obser vethe no tes on the care of car parts
(/ page 370). N
No
ot
tes on paintw
es on paintw or
ork/matt
k/matt /nish
/nishpaintw
paintw or
ork care
k care To
avo id damaging the paintwork and inter fering
with the driving assistance systems, please
obser vethefo llowing no tes: 368
368
Main
tenance and ca re

F
F
r
req
eq uency band and maximum tr
uency band and maximum tr ansmission out-
ansmission out-
put
put F
F
r
req
eq uency band
uency band Maximum tr
Maximum transmis-
ansmis-
sion output
sion output
Short wave
3 - 54 MHz 100 W
4 m frequency band
74 - 88 MHz 30 W
2 m frequency band
144 - 174 MHz 50 W
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70 cm frequency band
420 - 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 W The
following can be used in theve hicle without
re strictions:
R two- wayra dios with a maximum transmission
output of up to100 mW
R RF transmitters with transmitter frequencies in
th e 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(TETRA)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
aerial on the outside of theve hicle forth efo llo w-
ing frequency bands:
R Terrestrial Trunked Radio (TETRA)
R 70 cm frequency band
R 2G/3G/4G R R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation and not
and notes
es R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation of small com
of small compo-
po-
nents
nents Manufacturer information about
radio-based vehi-
cle components can be found using thekey
phrase "Regulatory radio identi/cation" in the Dig- ital Operator's Manual in
theve hicle, on the inter-
net and in the app. R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation – Indonesia
– Indonesia Manufacturer information about
radio-based vehi-
cle components can be found using thekey
phrase "Regulatory radio identi/cation – Indone-
sia" in the Digital Operator's Manual in theve hi-
cle, on the internet and in the app.
% These are not small components. Information
about small components can be found using
th eke y phrase "Regulatory radio identi/cation
of small components". F F
urt
urt her
her com
com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation Fu
rther component-speci/c information can be
fo und using theke y phrase "fur ther component-
speci/c information" in the Digital Owner's Man-
ual in theve hicle, on the internet and in the app. 414
414
Te
ch nical data