phone MERCEDES-BENZ A-CLASS HATCHBACK 2021 User Guide

#
T
To call up:
o call up: press and brie0y hold one of preset
position buttons 4,TorU.
ATer releasing the button, all systems are
mo ved into the stored position. S
S
t
to
o w
w ag
ag e ar
e ar eas
eas N
No
ot
tes on loading t
es on loading t he v
he vehicle
ehicle &
D
DAN
AN GER
GER Risk of poisoning from exhaust
ga ses
Combustion engines emit poisonous exhaust
ga ses, such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if theta il-
ga te is open when theve hicle is running,
especially if theve hicle is in motion. #
Always switch o. theve hicle before
opening theta ilgate. #
Never drive with theta ilgate open. &
W
WARNING
ARNING Risk of injury from unsecured
items in theve hicle
If objects, lug gage or loads are not secured or
not secured su1cient ly,they could slip, tip
ov er or be thro wn around and thereby hit vehi-
cle occupants.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug-
ga ge or loads against slipping or tipping
ove r. &
W
WARNI NG
ARNI NGRisk of injury due toobjects
being st owed incor rectly
If objects in theve hicle interior are st owed
incor rectl y,they can slide or be thro wn around
and hit vehicle occupants. In addition, cup
holders, open st owage spaces and mobile
phone brac kets cannot alw aysreta in all
objects they contain. There is a
risk of injur y,particular lyin the
eve nt of braking manoeuvres or abrupt
ch anges in direction. #
Always st owobjects so that they cann ot
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. #
Stow and secure objects that are heavy,
hard, poin ted, sharp-edged, fragile or too
lar ge inthe load compartment. &
W
WARNING
ARNING Risk of accident from objects in
th e driver's foot we ll and front-passenger
fo ot we ll
Objects in the driver's foot we ll and front-
passenger foot we ll may impede pedal tr avel or
block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. 116 116
Seats and st
owing

#
Open soc ket 0ap 3. #
Inse rtthe plug of the device into 115 V soc ket
1 .
When the on-board electrical system voltage is
su1cient, indicator lamp 2lights up. USB por
USB por
t in t
t in the r
he rear passeng
ear passeng er com
er compar
partment
tment %
Depending on theve hicle equipment, the
design of the st owage compartment and the
number of USB ports in there ar cent recon-
sole may vary.
When theve hicle is switched on, you can charge a
USB device, such as a mobile phone, at USB ports
using a suitable charging cable. W W
ir
ireless c
eless c har
harging of t
ging of t he mobile phone and con-
he mobile phone and con-
nection wit
nection wit h t
h the e
he e xt
xter
er ior aer
ior aer ial
ial N
No
ot
tes on wir
es on wir elessl
elessly c
y char
har ging t
ging t he mobile phone
he mobile phone &
W
WARNING
ARNING Risk of injury due toobjects
being st owed incor rectly
If objects in theve hicle interior are st owed
incor rectl y,they can slide or be thro wn around
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 cann ot
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 no tes on loading theve hicle. &
W
WARNING
ARNING Risk of /re from placing objects
in the mobile phone st owage compart-
ment
Placing other objects in the mobile phone
st ow age compartment could constitute a /re
hazard. 130
130
Seats and st
owing

#
Apart from a mobile phone, do not place
any other objects in the mobile phone
st ow age compartment, especially those
made of me tal. *
N
NO OTE
TE Damage toobjects caused byplac-
ing them in the mobile phone st owage
compartment If objects are placed in
the mobile phone
st ow age compartment, these may be dam-
aged byelectromagnetic /elds. #
Do not place credit cards, storage
media, ski passes or other objects sensi-
tive toelectromagnetic /elds in the
mobile phone st owage compartment. *
N
NO OTE TE Damage tothe mobile phone st ow-
age compartment caused byliquids If liquids enter
the mobile phone st owage
compartment, the compartment may be dam-
aged. #
Ensure that no liquids enter the mobile
phone st owage compartment. The
following no tes on wirelessly charging the
mobile phone must be obser ved:
R Depending on theve hicle equipment, the
mobile phone is connected totheve hicle's
ex terior aerial via thech arging module.
R The charging function and wireless connection
of the mobile phone totheve hicle's exterior
aerial are only available if theve hicle is
switched on.
R Small mobile phones may not be able tobe
ch arge d in every position of the mobile phone
st owa gecompartment.
R Largemobile phones which do not rest 0at in
th e mobile phone st owage compartment may
not be able tobe charge d or connected with
th eve hicle's exterior aerial.
R The mobile phone may heat up during the
ch arging process. This may particular ly
depend on the applications (apps) cur rently
open in the backg round.
R Toensure more e1cient charging and connec-
tion with theve hicle's exterior aerial, remo ve
th e pr otective co ver from the mobile phone. Pr
otective co vers which are necessary for
wireless charging are an exception. Char
Char
ging a mobile phone wir
ging a mobile phone wir elessly
elessly R
R
eq
eq uir
uir ements:
ements:
R The mobile phone is suitable for wireless
ch arging.
A list of compatible mobile phones can be
fo und at: https://www.mercedes-benz-
mobile.com. Seats and st
owing
131 131

#
Place the mobile phone as close tothe centre
of the mar ked sur face on mat 1as possible
with the display facing upwards.
When a message is shown in the multimedia
system, the mobile phone is being charge d.
Malfunctions during thech arging process are
shown in the central displa y.
% The mat can be remo vedfo r cleaning, e.g.
using clean, luk ewarmwater.
S
S t
to
o w
w ag
ag e com
e com par
partment wit
tment without cov hout cover
er
Make sure the mobile phone is proper lystored
and secu redto prev ent it from falling out while
yo u are driving. #
T
T o secur
o secur e t
e the mobile phone:
he mobile phone: swing lever2
out.
R
R adio eq
adio eq uipment appr ov
uipment appr oval number
al number s f
s for Br
or Br azil
azil
This device operates on a secondary basis, that is
to say it has no pr otection against harmful inter-
fe re nce, not even from the same type of stations,
and must not cause inter fere nce with systems
ope rating on a prima rybasis.
This product is permitted in accordance with the
procedure de/ned in Directive 242/2000 bythe
Brazilian telecommunications agency ANATEL and
meets the applicable tech nical requ irements.
Fu rther information is available on the ANATEL
we bsite. www.anatel.go v.br #
Further information on the declaration of con-
fo rm ity forve hicle components which receive
and/or transmit radio waves. F
F
itting/r
itting/r emo
emoving t
ving t he
he0oor
0oor mats
mats &
W
WARNING
ARNING Risk 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. 132 132
Seats and st
owing

can start
theve hicle in emer gency ope ration
mode. Mar
ked space (e xample with cup holder without
co ver) #
Open the co ver of the mar ked space 2if
necessar y. #
Make sure that the mar ked space 2is
em pty. #
Remo vetheke y1 from theke yring. #
Place theke y1 inthe mar ked space 2on
th e symbol 3.
The vehicle will start aTer a short time.
When youre mo vetheke y1 from the mar ked
space 2,theve hicle can be driven. For fur-
th er engine starts ho wever,theke y1 must
be located in the mar ked space 2onthe
symbol 3during the entire journe y. #
Have theke y1 checked at a quali/ed spe-
cialist workshop.
If t
If t he v
he v ehicle does no
ehicle does no t st
t start:
art: #
Place theke y1 inthe mar ked space 2and
lea veitth ere. #
V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: Depress
th e clutch pedal. #
Depress the brake pedal and start theve hicle
using the start/s top button.
% You can switch on the po wer supply or the
ve hicle with the start/s top button. Obser
veany information rega rding display mes-
sages that can be displ ayed onthe inst rument
displa y. S
S
t
t ar
ar ting t
ting t he v
he vehicle via R
ehicle via R emot
emote Online Ser
e Online Ser vices
vices Cooling or heating t
Cooling or heating t
he v
he vehicle int
ehicle int er
erior bef
ior bef ore
ore
st
st ar
ar ting t
ting t he jour
he jour ney
ney
Ensu rethefo llowing before starting the engine:
R The legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R It is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su1cient lyfull.
R The star ter battery is su1ciently charge d.
Char
Char ging t
ging t he st
he start
art er batt
er batt er
ery bef
y bef or
ore st
e st ar
arting t
ting t he
he
jour
jour ney
ney
Yo u can receive a message on your smartphone
when the state of charge ofthe star ter battery is
lo w. You can then start theve hicle with the smart-
phone tocharge the batter y.The vehicle is auto-
matically switched o. aTer ten minutes. Driving and parking
167
167

Ensure
thefo llowing before starting the engine:
R The legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R It is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su1cient lyfull.
S
S t
tar
ar ting t
ting t he v
he vehicle (R
ehicle (R emot
emot e Online)
e Online) &
W
WARNING
ARNING Risk of crushing or entrapment
due tounintentional starting of the engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during service
or maintenance work. #
Always secure the engine against unin-
te ntional starting before ca rrying out
main tenance or repair work. R
R
eq
eq uir
uir ements:
ements:
R Park position jis selected.
R The anti-theT alarm system is not activated.
R The hazard warning light system is switched
o.. R
The bonnet is closed.
R The doors are closed and loc ked.
R The windo wsand sliding sunroof are closed. #
Start theve hicle using the smartphone.
ATer every engine start, the engine runs for
te n minutes.
Yo u can car ryout a maximum of two consecutive
starting attem pts. You must start the engine with
th eke y before trying tostart theve hicle again
with the smartphone.
Yo u can switch o. theve hicle at any time as fol-
lo ws:
R Viath e Smartphone App
R By pressing theÜ orß button on the
key
% Further information can be found in the
smartphone app.
Secur
Secur ing t
ing the v
he vehicle ag
ehicle ag ains
ainst st
t star
arting bef
ting bef or
ore car ry-
e car ry-
ing out maint
ing out maint enance or r
enance or repair w
epair w or
ork:
k: #
Switch on the hazard warning light system.
or #
Unlock the doors.
or #
Open a side window or the sliding sunroof. R
R
unning-in not
unning-in not es
es To
preser vethe engine during the /rst 1,500 km:
R Drive at varying road speeds and engine
speeds.
R Do not drive at speeds greater than
140 km/h.
R Drive theve hicle in drive prog ram A
or ;.
R ShiT tothe next highest gear at theve ry latest
when the needle reaches the last third before
th ere d area in there v counter.
R Do not shiT down manual lyin order tobrake.
R Avoid overstraining theve hicle, e.g. driving at
full thro ttle.
R V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: do not
depress the accelerator pedal be yond the
pressure point (kickdown). 168
168
Driving and parking

7
Coolant temp erature display
During normal operation, the coolant temp er-
ature display is permitted torise to120°C.
8 Selected drive prog ram
9 Selected transmission position
A Centre display area of the inst rument display
(e xamp le: standard display for trip): Assis-
ta nce / Telephone / Navigation / Trip /
Media / Radio / Styles and displa ys /
Service / Powe r me ter (equipment-depend-
ent)
B Fuel le vel, fuel /ller 0ap location indicator,
ra nge Ov
Ov
er
ervie
vie w of butt
w of butt ons on t
ons on the st
he steer
eering wheel
ing wheel 1
P Back/Home button (p ress and hold),
on-board computer
2 Touch Control, on-board computer
3 Control panel for cruise control/limiter or
Ac tive Distance Assist DISTRONIC
4 Control panel forth e MBUX multimedia sys-
te m (/ page 287) £
LINGU ATRO NIC
5 ò Tocall up the home screen of the multi-
media system
6 Touch Control multimedia system
7 % Back button (multimedia system)
8 Brightness control toadjust the lighting in the
Instrument Displ ayand in the control ele-
ments of theve hicle interior Oper
Oper
ating t
ating t he on-boar
he on-boar d com
d comput
puter
er
Obser vethe legal requ irements forth e country in
which you are cur rently driving when ope rating
th e on-board computer. Instrument display and on-board computer
279
279

The on-board computer is ope
rated using the leT-
hand Touch Control and the leT-hand back/home
button.
When the on-board computer is being operated,
di.erent acoustic signals will sound as operating
fe edbac k,e.g. when the end of a list is reached or
when you are scrolling thro ugh a list.
The following menus are available:
R Assistance
R Telephone
R Navigation
R Trip
R Radio
R Media
R Styles & display
R Service
% You can /nd information about the possible
settings and selections on the menus in the
Digital Owner's Manual.
The menus can be called up from the menu bar
on the inst rument displa y. #
T
T o call up t o call up t he menu bar:
he menu bar: pressthe leT-hand
back button until the menu bar is displa yed.
% V
Vehicles wit
ehicles wit hout A
hout Activ
ctive Dist
e Dist ance Assis
ance Assist t
DIS
DIS TR
TRONIC:
ONIC: presstheò button tocall up
th e menu bar of the on-board computer. #
T
T o scr
o scr oll on t
oll on t he menu bar
he menu bar :
:swipe leT or right
on the leT-hand Touch Control. #
T
T o call up a menu, submenu or possible se
o call up a menu, submenu or possible se t-
t-
tings on t
tings on t he menu, or
he menu, or con/rm
con/rma selection or
a selection or
se
se tting:
tting: press the leT-hand Touch Control. #
T
T o scr
o scr oll t
oll thr
hrough display
ough display s or lis
s or lists on tts on the
he
menu, or select displa
menu, or select displa y cont
y content, a function,
ent, a function,
an entr
an entr y or a display
y or a display :
:swipe upwards or down-
wa rds on the leT-hand Touch Control. #
T
T o e
o e xit a submenu:
xit a submenu: pressthe leT-hand back
button.
Selecting t
Selecting t he head-up display
he head-up display #
T
T o switc
o switc h on t
h on the head-up display
he head-up display :
:switch on
th e head-up display via the multimedia system
or activate it on the menu bar byswiping
upwards on the leT-hand Touch Control.
The head-up display menu will be selected on
th e head-up displa y. #
T To switc
o switc h t
h t o t
o t he head-up display
he head-up display :
:press the
leT-hand Touch Control or swipe upwards on
th e leT-hand Touch Control. #
T
To se
o se t t
t the t
he t hr
hree displa
ee displa y r
y rang
ang es of t
es of t he head-up
he head-up
display
display :
:swipe upwards or down wards on the
leT-hand Touch Control.
F
F ull-scr
ull-scr een menus
een menus
V
V ehicles wit
ehicles wit h an ins
h an instrtrument displa
ument displa y in t
y in the wide-
he wide-
scr
scr een coc
een coc kpit:
kpit:thefo llowing menus can be
shown full-screen on the inst rument displa y:
R Assistance
R Trip
R Navigation #
Onthe cor responding menu, use the leT-hand
To uch Control toscroll tothe end of the list. #
Press the leT-hand Touch Control.
The selected menu will be displa yed full-
screen. 280
280
Inst
rument display and on-board computer

Displa
Displa
y cont
y content
ent 1
Navigation instructions
2 Current speed
3 Detected instructions and tra1c signs
4 Set speed in the driving system (e.g. cruise
control)
Syst
Syst em limits
em limits
The visibility of the displa yswill be a.ected bythe
fo llowing conditions:
R Seat position
R Image position setting
R Light conditions R
Wetro ad sur face
R Objects on the display co ver
R Polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can cor rect this
by deactivating and reactivating the head-up
displa y. Se
Se
tting t
tting t he head-up displa
he head-up displa y using t
y using the on-board
he on-board
com
com put
puter
er On-board co
mputer:
4 HEAD-UP DISPLAY
The following head-up display settings or displa ys
can be selected or shown:
R Position
R Brightness
R Messages
R Assis tance status
R Telephone
R Audio
R LINGU ATRO NIC #
T
To select t
o select t he Se
he Settings menu:
ttings menu: swipetotheright
on the leT-hand Touch Control.
The Settings menu 5will be selected. #
T
To call up t
o call up t he Se
he Settings menu:
ttings menu: pressthe leT-
hand Touch Control. #
T
To adjus
o adjust t t the position:
he position: swipe upwards or
down wards on the leT-hand Touch Control. #
T To adjus o adjust t t the br
he br ightness:
ightness: swipetothe leT or
ri ght on the leT-hand Touch Control.
Se
Se tting messag
tting messag es, assist
es, assistance st
ance status, t
atus, telephone,
elephone,
audio and LIN
audio and LIN GUA
GUATR
TRONIC
ONIC #
Press the leT-hand Touch Control.
The list of setting options will be displa yed. #
Swipe upwards or down wards on the leT-hand
To uch Control and select a setting bypressing
th e leT-hand Touch Control. Instrument display and on-board computer
283
283

Selecting what t
Selecting what t
he head-up displa
he head-up displa y shows
y sho ws (Example)
1
Switching the head-up display on/o.
2 LeT display area
Navigation system
Av erage consum ption
G-me ter
3 Central display area
Speedome ter
Set speed in the driver assistance system,
e.g. cruise control
Wa rnings from driver assistance systems, e.g.
distance warning 4
Right display area
Tra1c Sign Assist
Assis tant display
5 Con/guring settings
6 Indexpoints
Display areas 2to4 that are not requ ired can
be hidden.
% In audio mode, the station name or track will
be shown temp orarily when the audio source
is being actively operated. In addition, the lat-
est calls will be displa yed when thete lephone
list on the inst rument display is actively oper-
ated. #
Swipe upwards or down wards on the leT-hand
To uch Control. Switc Switc
hing t
hing t he head-up displa
he head-up displa y
y on/o.
on/o. via t
via the mul-
he mul-
timedia syst
timedia syst em
em Multimedia system:
4 © 5
Settings 5
Quick access #
Select HUD.
The head-up-display is activated. 284
284
Instrument display and on-board computer