2021 MERCEDES-BENZ A-CLASS HATCHBACK lock

#
Foldthe cor responding seat backrest 1back
until it engages.
LeT LeT and r
and r ight seat bac
ight seat bac kr
kr es
es ts:
ts: ifth e seat bac k-
re st is not engaged and lo cked in place, the
re d lock veri/cation indicator 2will be visi-
ble.
Centr Centr e seat bac
e seat bac kr
krest:
est: ifth e seat backrest is
not engaged and loc ked in place, there d lock
ve ri/cation indicator 3will be visible. Loc Loc
king t king t he r
he release catc
elease catc h of t
h of the centr
he centr e r
e rear seat
ear seat
bac
bac kr
kr est
est
R
R eq
equir uir ements:
ements:
R The leT and centre seat backrests are
engage d and joined toget her.
Yo u can lock the centre seat backrest. The centre
seat backrest can then be folded forw ards only
to get her with the leT seat backrest. #
Foldthe centre and leT seat backrests for-
wa rds. #
T To loc
o loc k or unloc
k or unloc k:
k:slide catch 1upwards or
down wards.
A
A djus
djusting t ting t he angle of t
he angle of t he r
he rear seat bac
ear seat bac kr
kres
es ts
ts
(car
(car go position)
go position)
To enlar gethe load compartment, you can adjust
th e seat backrests so that they are ten deg rees
steeper (cargo position). 122
122
Seats and st
owing

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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

#
T
To r
o r emov
emov e:
e:turn co ver1 tothe leT and
re mo veit from the wheel ar chliner. #
T
To
o /t:
/t: insert co ver1 into the wheel ar chliner
and turn it totheright until it engages.
R
R eplacing light sour
eplacing light sour ces in t
ces in t he halog
he halog en headla mp
en headlamp
R
R eq
eq uir
uir ements:
ements:
R Lo
Low beam:
w beam: an H7 55 W light source is availa-
ble.
R High beam:
High beam: an H7 55 W light source is availa-
ble. 1
Low beam housing co ver
2 High beam housing co ver #
Switch the lighting system o.. #
Remo vethe co ver in the front wheel ar ch
( / page 144). #
Turn there leva nt housing co ver anti-clockwise
and remo veit. #
Turn the soc ket anti-clockwise and remo veit. #
Pull the light source out of the soc ket. #
Inse rtthe new light source into the soc ket
such that the entire base of the light source is
re sting on the bottom of the soc ket. #
Inse rtthe soc ket and turn it clockwise. #
Press on the housing co ver and turn it cloc k-
wise. #
Replace the co ver in the front wheel ar ch
( / page 144). Changing t
Changing t
he r
he rear bulbs (v
ear bulbs (v ehicles wit
ehicles with halog
h halogen
en
headlam
headlam ps)
ps) R R
eplacing t
eplacing t he t
he t ail lam
ail lam p bulbs
p bulbs #
Due totheir locations, ha vethe bulbs forthe
turn signal light and reve rsing light changed at
a qu ali/ed specialist workshop. W W
indscr
indscr een wiper
een wiper s and windscr
s and windscr een w
een washer sy
asher sy s-
s-
t
t em
em Switc
Switc
hing t
hing t he windscr
he windscr een wiper
een wipers
son/o.
on/o. 1
gWindsc reen wipers o.
2 Ä Automatic wiping, normal
3 Å Automatic wiping, frequent Light and sight
145
145

#
Within around 15 seconds, press and hold the
î button on the combination switch for
appr oximately thre e seconds (/ page 145).
The wiper arms will mo veinto there placement
position.
R
R emo
emo ving t
ving t he wiper blades
he wiper blades #
Foldthe wiper arms away from the wind-
screen. #
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade away from
th e wiper arm in the direction of ar row 1 as
fa r as it will go. #
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. #
Remo vethe wiper blade from the wiper arm in
th e direction of ar row 4. F
F
itting t
itting t he wiper blades
he wiper blades #
Insert the new wiper blade into the wiper arm
in the direction of ar row 1. #
Slide catch 2inthe direction of ar row 3
until it engages in the locking position. #
Make sure that the wiper blade is seated cor-
re ctl y. Light and sight
147
147

imately 30 minutes, depending on
thete mp era-
ture set. #
T
To activ
o activ at
ate:
e: press the Á button.
Re sidual heat will be switched o. automaticall y.Pr
Pr
e-entr
e-entr y climat
y climat e contr
e control using t
ol using t hekey
he key F
F
unction of pr
unction of pr e-entr
e-entry climat
y climat e contr
e control using t
ol using t he
he
key
key
Before entering theve hicle, the driver's seat area
or the whole vehicle interior can be brie0y pre-
wa rmed or pre-cooled.
When pre-cooling, thefo llowing functions are acti-
va ted as needed:
R Automatic climate control
R Blower
R Seat ventilation
When pre-heating, thefo llowing functions are acti-
va ted as needed:
R Automatic climate control
R Blower
R Seat heater R
Steering wheel heater
R Mirror heater
R Rear wind owheater
Se
Se tting pr tting pr e-entr
e-entry climat
y climat e contr
e control via t
ol via thekey
he key
Multimedia system:
4 Climate menu 5
Pre-entry climate ctrl
Switc
Switc hing
hingon/o.
on/o. #
Select Z. #
Select Pre-entry climate control via key.
Switc
Switc hing pr
hing pr e-entr
e-entry climat
y climat e contr
e control via t
ol via thekey
he key
on/o.
on/o.
R R eq
eq uir
uir ements:
ements:
R The high-voltage battery is charge d su1-
cient ly.
R The function has been activated via the multi-
media system. #
T
T o switc
o switc h on:
h on:unlock theve hicle.
The climate cont rol functions are activated for
up to/ve minutes for pre-heating and pre-
cooling. Pre-entry climate control via
theke y cann otbe
activated more than twice when theve hicle is
switched o.. #
T
To switc
o switc h
h o.:
o.: push the& button up or
down.
The following functions will remain active once the
ve hicle has been star ted:
R Seat heating
R Seat ventilation Pr
Pr
e-entr
e-entr y climat
y climat e contr
e control at depar
ol at depar tur
ture time
e time Pr
Pr
e-entr
e-entr y climat
y climat e contr
e control f
ol f or depar
or depar tur
ture time func-
e time func-
tion
tion &
W
WARNI NG
ARNI NGRisk of fatal injury due toexpo-
sure toextreme heat or cold in theve hicle
If persons, particular lych ildren, are subjected
to prolonged exposure tointense heat or cold,
th ere is a risk of se vere injury or even death. #
Never lea vepersons, particular lych il-
dren, unattended in theve hicle. 156
156
Climate cont
rol

#
Press release tab1 inthe direction of the
ar ro w and pull it out. #
Pull high- voltage disconnect device 2inthe
direction of the ar row until it engages.
The high- voltage on-board electrical system is
switched o..
All workon thehy brid drive system (including
aTer disconnecting the high-voltage on-board
electrical system manually) may only be car ried
out byaqu ali/ed specialist workshop. Switc
Switc
hing on t
hing on t he pow
he power suppl
er suppl y or t
y or the v
he vehicle
ehicle &
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. R
R
eq
eq uir
uir ements:
ements:
R The key is in theve hicle and is recognised.
R V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: The
brake pedal is not depressed.
R V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: The clutch
pedal is not depressed. #
T To switc o switc h on t
h on the pow
he pow er supply
er supply :
:press button
1 once.
Yo u can, forex ample, activate the windscreen
wiper.
The po wer supply is switched o. again if thefo l-
lowing conditions are met:
R You open the driver's door.
R you press button 1twice more. Driving and parking
165
165

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

R
Only increase the engine speed gradually and
accelerate theve hicle tofull speed aTer
1,500 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing running-in
no tes:
R In cer tain driving and driving saf ety sy stems,
th e sensors adjust automatically while a cer-
ta in distance is being driven aTer theve hicle
has been deli vered or aTer repairs. Full sys-
te m e.ectiveness is not reached until the end
of this teach-in process.
R Brakepads, brake disks and tyres that are
either new or ha vebeen replaced only achie ve
optimum braking e.ect and grip aTer se veral
hund red kilometres of driving. Compensate for
th ere duced braking e.ect byapplying greater
fo rc eto the brake pedal. N
No
ot
tes on dr
es on dr iving
iving &
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. &
W WARNING
ARNING Risk of accident due toincor-
re ct foot we ar
Incor rect foot we ar includes, forex ample:
R shoes with plat form soles R
shoes with high heels
R slippers
There is a risk of an accident. #
Alwayswe ar suitable foot we ar so that
yo u can operate the pedals safel y. &
W
WARNI NG
ARNI NGRisk of accident if theve hicle is
switched o. while driving
If yo u switch o. theve hicle while driving,
saf ety functions are restric ted or no longer
av ailable.
This may a.ect the po wer steering system and
th e brake forc e boosting, forex ample.
Yo u will need touse considerably more force
to steer and brake, forex ample. #
Do not switch o. theve hicle while driv-
ing. Driving and parking
169
169