2021 MERCEDES-BENZ A-CLASS HATCHBACK door lock

#
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

#
Eng
Eng aging rev
aging rever
erse g
se g ear
ear k:
:
R Depress the clutch pedal comple tely.
R Pull thege arshiT le ver up, push it tothe
leT and then pull it bac k. Gear
Gear
shiT
shiT r
recommendation
ecommendation The
gearshiT recommendation assists you in
adopting an economical driving style. #
When gearshiT recommendation 1appears
on the inst rument displa y,shiT tothere com-
mended gear. A
A
ut
ut omatic tr
omatic tr ansmission
ansmission DIRECT SELECT lev
DIRECT SELECT lev
er
er F
F
unction of t
unction of t he DIRECT SELECT lev
he DIRECT SELECT lev er
er &
W
WARNING
ARNING Risk of accident due toincor-
re ct gearshiTing
If th e engine speed is higher than the idle
speed and you engage the transmission posi-
tion hork, theve hicle may accelerate
sharpl y. #
Ifyo u engage the transmission position
h ork when theve hicle is at a stand-
still, alw ays depress the brake pedal
/rmly and do not accelerate at the same
time. &
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. Driving and parking
183
183

#
apply the parking brake. #
Vehicles with automatic transmission:
shiT the transmission toposition j. #
Vehicles with manual transmission:
engage /r st1 orreve rsege ar k. &
W
WARNING
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
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. *
N
NOOTE
TE Damage totheve hicle due toitro ll-
ing away #
Always secure theve hicle against rolling
awa y. #
Bring theve hicle toa standstill bypressing the
brake pedal. 212
212
Driving and parking

#
Ongradients, turn the front wheels so that the
ve hicle will rollto wa rdsth eke rb if it starts
moving. #
Apply the electric parking brake. #
V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: Engage
/rst 1orreve rsege ar k. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: Engage
transmission position jin a stationary vehi-
cle with the brake pedal applied
(/ page 184). #
Switch o. theve hicle bypressing the1 but-
to n. #
Release the service brake slo wly. #
Get out of theve hicle and lock it.
% When you park theve hicle, you can still oper-
ate the side windo wsand the panoramic slid-
ing sunroof for appr oximately four minutes if
th e driver's door is closed. Gar
Gar
ag
age door opener
e door opener Pr
Pr
ogr
ogr amming butt
amming butt ons f
ons for t
or the g
he g ar
arag
ag e door opener
e door opener &
D
DAN
AN GER
GER Risk of fatal injuries caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vetheve hicle or, if present, the
stationa ryheater running in an enclosed
space without su1cient ventilation. &
W
WARNI NG
ARNI NGRisk of injury bybecoming
trapped when opening and closing a
ga rage door
When you operate or prog ram a garage door
with an integ ratedga rage door opener, per-
sons can become trapped or struck bythe
ga rage door if they stand wi thin its range of
mo vement. #
Always make sure that nobody is within
th era nge of thega rage door's mo ve-
ment. Before prog
ramming thega rage door opener, park
th eve hicle outside thega rage . Make sure that the
ve hicle is switched on but not star ted.
R
R eq eq uir
uir ements:
ements:
R The vehicle has been par ked outside the
gar age or outside thera nge of mo vement of
th e door.
R The vehicle is switched on.
R The vehicle has not been star ted.
% The garage door opener function is alw ays
av ailable when theve hicle is switched on. Driving and parking
213
213

#
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. V
V
ehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission:
The electr
The electr ic par
ic parking br
king br ak
ake is applied if t
e is applied if t he v
he vehicle
ehicle
is br
is br ought t
ought t o a st
o a stands
andstill and one of ttill and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle has pr eviously been driven at
speeds greater than 3 km/h.
R The vehicle is switched o..
R The driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page 217).
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 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 d! indicator lamp lights up in the inst ru-
ment cluster.
If th e electric parking brake is not applied when
th e driver's door is opened, theRisk of vehicle
rolling away Apply parking brake See Owner's
Manual message appears.
% The electric parking brake is not automatically
applied if theve hicle is switched o. bythe
ECO start/s top function.
V
V ehicles wit ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission:
The electr
The electr ic par
ic parking br
king br ak
ake is applied if t
e is applied if t he tr
he trans-
ans-
mission is in position
mission is in position j
jand 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 217).
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. 216
216
Driving and parking

R
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
transmission is shiTed toposition j.
R The vehicle is secured with the electric par k-
ing brake.
In thefo llowing situations, theve hicle is held by
transmission position jand/or bythe electric
parking brake:
R The seat belt is unfastened and the driver's
door is opened.
R The vehicle is switched o..
R There is a system malfunction.
R The po wer supply is insu1cient.
V
V ehicles wit ehicles wit h manual tr
h manual tr ansmission
ansmission
The Brake immediately message may also appear
in the Instrument Displa y:#
Immediately depress the brake pedal /rmly
until thewa rning message disappears.
The HOLD function is deactivated.
A horn sounds at regular inter vals if, despite the
Brake immediately message,you switch o. the
ve hicle, remo veyour seat belt and open the driv-
er's door. If you attem pttolock theve hicle, the horn
tone becomes louder. The vehicle cann otbe
loc ked until you ha vedeactivated the HOLD func-
tion.
% Once you ha veswitched o. theve hicle, you
cannot restart it until you ha vedeactivated
th e HOLD function. F
F
unction of Hill St
unction of Hill Star
art Assist
t Assist Hill
Start Assist holds theve hicle for a short time
when pulling away on a hill under thefo llowing
conditions:
R V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
transmission is in position hork.
R The electric parking brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelerator pedal and
depress it before theve hicle begins torollaw ay. &
W
WARNI NG
ARNI NGRisk of accident and injury due
to theve hicle rolling away
ATer a sho rttime, Hill Start Assist no lon ger
holds theve hicle. #
SwiTly mo veyour foot from the brake
pedal tothe accelerator pedal. Do not
lea vetheve hicle when it is being held by
Hill Start Assist. F
F
unction of A
unction of A dap
daptiv
tive Br
e Br ak
ake Lights
e Lights Ad
aptive Brake Lights warnfollowing tra1c in an
emer gency braking situation with thefo llowing
actions:
R By 0ashing the brake lamps
R By activating the hazard warning lights
If th eve hicle is braked sharply from speeds abo ve
50 km/h, the brake lamps 0ash rapidl y.This pro-
vides tra1c tr avelling behind you with an even
more noticeable warning.
If th eve hicle is tr avelling at speeds of more than
70 km/h at the beginning of the brake applica-
tion, the hazard warning lights switch on once the
ve hicle is stationar y.When you pull away again,
th e hazard warning lights will switch o. automati-
cally at appr oximately 10 km/h. You can also 226
226
Driving and parking

%
V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: ifthe
transmission cannot be shiTed toposition i
or if the display does not show anything,
transport theve hicle (/ page 362). A towing
ve hicle with liTing equipment is requ ired for
ve hicle transpor tation.
* NO
NO TE
TEDamage due to towing away at
ex cessively high speeds or over long dis-
ta nces The driv
etra in could be damaged when towing
at excessively high speeds or over long distan-
ces. #
Atowing speed of 50 km/h must not be
ex ceeded. #
Atowing dis tance of 50 km must not be
ex ceeded. &
W
WARNING
ARNING Risk of accident when towing a
ve hicle which is too heavy
If th eve hicle tobe tow- star ted or towe daway
is heavier than the permissible gross mass of
yo ur vehicle, thefo llowing situations can
occur:
R theto wing eye may become de tach ed.
R theve hicle/trailer combination may
swer veorove rturn. #
Before tow- starting or towing away,
ch eck if theve hicle tobe tow- star ted or
to we dawa yex ceeds the permissible
gr oss mass. If a
vehicle must be tow- star ted or towe dawa y,its
permissible gross mass must not exceed the per-
missible gross mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle identi-
/cation plate (/ page 392). #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: do not
open the driver's door or front passenger door;
the transmission otherwise automati-
cally shiTs toposition j. #
Fitth eto wing eye (/ page 363). #
Fasten theto wing device.
* N
NOOTE
TE Damage due toincor rect connec-
tion of theto w bar #
Only connect theto w rope or tow bar to
th eto wing eyes. #
Deactivate the automatic locking mechanism
(/ page 88). #
Do not activate the HOLD function. #
Deactivate tow- awa y protection
(/ page 101). #
Deactivate Active Brake Assist (/ page 245). #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTto
position i. #
V Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: shiTto
neutral i. #
Release the electric parking brake. Breakdown assistance
361 361