automatic transmission MERCEDES-BENZ A-CLASS HATCHBACK 2021 User Guide

To
protect against engine overrev ,th e automatic
transmission shiTs up tothe next gear when maxi-
mum engine speed has been reached. Glide mode function
Glide mode function
*
N
NO OTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Wi
th an anticipatory driving st yle, Glide mode
helps youto reduce fuel consum ption.
Glide mode is characterised bythefo llowing:
R The combustion engine is disconnected from
th e driv etra in and continues torun in neutral.
R The transmission position display his sh own
in green.
Glide mode is activated if thefo llowing conditions
are met:
R Drive prog ram ; is selected.
R The speed is within a suitable range. R
The road's course is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R There is no trailer hitched up tothe trailer
hitch, and no bicycle rack Fitted.
R You do not depress the accelerator or brake
pedal (e xcept for light brake applications).
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =.
Glide mode is deactivated again if one of the con-
ditions is no longer met.
V
V ehicles wit ehicles wit h A
h Activ
ctiv e Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC:
ONIC:
when Active Distance Assist DISTRONIC is acti ve,
th e glide mode function is not available.
Glide mode can also be pr evented bythefo llowing
parame ters:
R Incline
R Downhill gradient
R Temp erature
R Height
R Speed
R Operating status of the engine R
Tra1c situation
% Glide mode can be ended bypressing a steer-
ing wheel gearshiT paddle (/ page 185). F
F
unction of t
unction of t he 4MA
he 4MATIC
TIC
4MATIC ensu resth at all four wheels are driven.
To get her with ESP ®
and 4ETS, 4MATIC impr oves
th e traction of your vehicle whene ver a driven
wheel spins due toinsu1cient traction.
If yo ufa ilto adapt your driving style, 4MATIC can
neither reduce therisk of an accident nor override
th e la wsof ph ysics. 4MATIC cannot take account
of road, weather and tra1c conditions. 4MATIC is
only an aid. You are responsible especially for
maintaining a safe distance from theve hicle in
front, forve hicle speed, for braking in good time
and for st aying in lane.
% In wintry road conditions, the maximum e.ect
of 4MATIC can be achie ved only if you use
winter tyres (M+S tyres), with snow chains if
necessar y. Driving and parking
187
187

#
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

-
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 clus ter.
% 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.
R V
V ehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: age ar has
been selected, youre lease the clutch pedal
and depress the accelerator pedal.
R You apply the brakes and shiT from neutral i
into reve rsege ar k or a forw ard gear ( 1 -
6) when on le velgr ound.
R V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
transmission is in position hork and you depress
the accelerator pedal or you shiT
from transmission position jtoh ork
when on le velgr ound.
R Ifth e transmission is in position k,theta il-
ga te must be closed.
R The seat belt tongue is inse rted into the seat
belt buckle of the driver's seat.
If th e seat belt tongue is not inse rted into the
seat belt buckle of the driver's seat, one of the
fo llowing conditions must be ful/lled:
- You shiT from transmission position j.
or
- You ha veprev iously driven at speeds
gr eater than 3 km/h.
When the electric parking brake is released, the
re d! indicator lamp in the inst rument cluster
goes out. Appl
Appl ying/r
ying/r eleasing t
eleasing t he electr
he electric par
ic parking br
king br ake
ake
manually
manually
Appl Appl ying
ying #
Push handle 1.
The red! indicator lamp lights up in the
inst rument cluster. Driving and parking
217
217

HOLD function
HOLD function
HOLD function
HOLD function
The HOLD function holds
theve hicle at a stand-
still without requ iring youto depress the brake
pedal, e.g. while waiting in tra1c.
The HOLD function is only an aid. The responsibil-
ity forth eve hicle safely standing still remains with
th e driver.
Syst
Syst em limits em limits
The HOLD function is only intended toprov ide
assistance when driving and is not a su1cient
means of safeguarding theve hicle against rolling
awa y when stationa ry.
R The incline must not be greater than 30%. A
A ctiv ctiv ating/deactiv
ating/deactiv ating t
ating the HOLD function
he HOLD function &
W
WARNING
ARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If th eve hicle is only braked with the HOLD
function it could, in thefo llowing situations,
ro llawa y:
R Ifth ere is a malfunction in the system or in
th e po wer suppl y.
R Ifth e HOLD function is deactivated by
depressing the accelerator pedal or brake
pedal, e.g. byave hicle occupant. #
Always secure theve hicle against rolling
awa y before you lea veit. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is stationar y.
R The driver's door is closed or the seat belt on
th e driver's side is fastened.
R The vehicle has been star ted or has been
automatically switched o. bythe ECO start/
stop function. R
The vehicle has been star ted.
R The electric parking brake is released.
R Active Distance Assist DISTRONIC is deactiva-
te d.
R V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
transmission is in position h,kori.
A
A ctiv
ctiv ating t
ating t he HOLD function
he HOLD function #
Depress the brake pedal, and aTer a short
time quickly depress fur ther until theë
display appears in the Instrument Displa y. #
Release the brake pedal.
Deactiv
Deactiv ating t
ating the HOLD function
he HOLD function #
Depress the accelerator pedal topull away.
or #
Depress the brake pedal until theë display
disappears from the Instrument Displa y.
The HOLD function is deactivated in thefo llowing
situations:
R Active Distance Assist DISTRONIC is acti va-
te d. Driving and parking
225
225

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

when
Parking Assist PARKTRONIC sounds a warn-
ing tone. #
Select Audio fadeout during warning tones .#
Switch the function on or o.. A
A
ctiv
ctiv e P
e P ar
ar king Assist
king Assist F
F
unction of A
unction of A ctiv
ctive P
e Par
arking Assist
king Assist
Ac tive Parking Assist is an electronic parking
assistance system, which uses ultrasound with
th e assistance of there ve rsing camera and 360°
Camera. When you are driving forw ards up to
appr oximately 35 km/h, the system automatically
measures parking spaces on bo thsides of the
ve hicle.
Ac tive Parking Assist o.ers thefo llowing func-
tions:
R Country
Country -dependent
-dependent: :parking in parking spaces
parallel tothero ad
R Parking in parking spaces perpendicular tothe
ro ad (optionally either forw ards or reve rse)
R Exiting parking spaces if you ha vepar ked
using Active Parking Assist As soon as all
requ irements are met for sear ching
fo r parking spaces, theÇ display appears in
th e Instrument Displa y.
When Active Parking Assist has de tected parking
spaces, theÈ display appears in the Instru-
ment Displa y.The ar rows show on which side of
th ero ad de tected parking spaces are located.
They are then shown in the media displa y.
The parking space can be selected as desired.
Depending on the location of the parking space,
th e parking direction (rear wards or forw ards) can
also be selected as desired.
When Active Parking Assist is activated, the turn
signal indicators are activated based on the calcu-
lated path of your vehicle.
When you are entering or exiting a parking space,
th e procedure is assisted byacceleration, braking,
steering and gear changes.
V V ehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: the active
brake application and automatic gear change are
only available on vehicles with automatic trans-
mission. You must therefore brake theve hicle and
ch ange gear yourself when parking or exiting a
parking space. Ac
tive Parking Assist is only an aid. It is not a sub-
stitute foryo ur attention tothe sur roundings. The
re sponsibility for safe manoeuvring and parking
re mains with you. Make sure that no persons, ani-
mals or objects etc. are in the manoeuvring
ra nge.
Ac tive Parking Assist will be cancelled in thefo l-
lowing situations:
R Parking Assist PARKTRONIC is deactivated.
R You begin steering.
R You apply the parking brake.
R V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: you
engage transmission position j.
R ESP ®
inter venes.
R You open the doors or theta ilgate while driv-
ing.
Syst
Syst em limits
em limits
If th eex terior lighting is malfunctioning, Active
Pa rking Assist is not available.
Objects located abo veor below the de tection
ra nge of the sensors, e.g. overhanging loads,
ov erhangs or loading ramp s of goods vehicles, or
th e borders of parking spaces, are not de tected Driving and parking
265
265

The media display sh
owsth e view of Active Park-
ing Assist. Area 2displa ysdetected parking
spaces 4and vehicle path 3.
% Vehicle path 3shown on the media display
may di.er from the actual vehicle path. #
If a parking space is displ ayed: stop theve hi-
cle. #
Select desired parking space 4and con/rm. #
If necessar y,select the parking direction (for-
wa rds or reve rse), and con/ rm.
Ve hicle path 3is shown, depending on
selected parking space 4and the parking
direction. %
The turn signal indicator is switched on auto-
matically when the parking procedure begins.
Yo u are responsible for selecting the turn signal
indicator in accordance with the tra1c condi-
tions. If necessar y,select the turn signal indicator
accordingl y. &
W
WARNI NG
ARNI NGRisk of accident due tovehicle
swinging out while parking or pulling out
of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas of
th e oncoming lane.
This could cause youto collide with objects or
ot her road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with Active
Pa rking Assist. #
If,forex ample, thePlease engage reverse
gear message appears in the media displa y: select
the cor responding transmission posi-
tion.
V V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
ve hicle drives into the selected parking space.
% During the parking procedure with Active
Pa rking Assist, the lane markings are dis-
pla yed in green in the camera image. #
V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: stop as
soon as Parking Assist PARKTRONIC sounds
th e continuous warning tone, if not before.
Depending on the message or as requ ired,
engage forw ard or reve rsege ar.
On completion of the parking procedure, the
Ø Parking Assist finished, take control of
vehicle display message appears. Further
manoeuvring may still be necessar y. #
ATer completion of the parking procedure,
safeguard theve hicle against rolling away.
When requ ired bylegal requ irements or local
conditions: turn the wheels towa rdsth eke rb. Driving and parking
267
267

&
W
W ARNI NG
ARNI NGRisk of accident due tovehicle
swinging out while parking or pulling out
of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas of
th e oncoming lane.
This could cause youto collide with objects or
ot her road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with Active
Pa rking Assist. #
If,forex ample, thePlease engage forward
gear message appears in the media displa y:
select the cor responding transmission posi-
tion.
The vehicle mo ves out of the parking space.
The turn signal indicator is switched o. auto-
maticall y.
ATer the parking space has been exited, a warn-
ing tone and theØ Parking Assist finished, take control of vehicle
message prompt youto
ta ke cont rol of theve hicle.
The vehicle is not automatically braked and can
ro llawa y.Yo u ha vetoaccelerate, brake, steer and
ch ange gear yourself again. Manoeuvr Manoeuvr
ing assist
ing assistant
ant F
F
unction of Dr
unction of Dr iv
ive Awa
e Away Assi st
y Assi st
% Drive Away Assist is only available forve hicles
with automatic transmission.
Drive Away Assist can reduce the se verity of an
impact when pulling away.If an obs tacle is de tec-
te d in the direction of tr avel, theve hicle's speed
is brie0y reduced toappr ox. 2 km/h. If a critical
situation is de tected, theÉ symbol appears in
th e media displa y.
Drive Away Assist can be deactivated or activated
in theManoeuvring assistance menu
(/ page 270).
% You can cancel an inter vention byDrive Away
Assist at any time bydeactivating Parking
Assist PARKTRONIC (/ page 264). &
W
WARNI NG
ARNI NGRisk of accident caused bylimi-
te d de tection per form ance of Drive Away
Assist
Drive Away Assist cannot alw ays clear lyiden-
tify objects and tra1c situations. #
Always pay careful attention tothe tra1c
situation; do not relyon Drive Away
Assist alone. #
Be prepa redto brake or swer veas nec-
essar y,prov ided the tra1c situation per-
mits and that it is safe totake evasive
action. Drive
Away Assist is only an aid. It is not a substi-
tute foryo ur attention tothe sur roundings. The
re sponsibility for safe manoeuvring and parking
re mains with you. Make sure that no persons, ani-
mals or objects etc. are in the manoeuvring
ra nge.
A risk of collision may occur in thefo llowing situa-
tions, forex ample:
R Ifth e accelerator and brake pedals are inter-
ch anged. Driving and parking
269
269

R
If an incor rect transmission position is
engaged.
Drive Away Assist is active under thefo llowing
conditions:
R IfPa rking Assist PARKTRONIC is activated.
R Ifyo u shiT the transmission position tok or
h when theve hicle is stationar y.
R Ifth e de tected obs tacle is less than appr ox.
1.0 m away.
R Ifth e manoeuvring assistance function is acti-
va ted in the multimedia system.
Syst
Syst em limits
em limits
The per form ance of Drive AwayAssist is limited
on inclines.
When driving with a trailer, Drive AwayAssist is
not available.
% Also obser vethe system limits of Parking
Assist PARKTRONIC (/ page 261).
F
F unction of Cr unction of Cr oss
ossTr
Tra1c
a1c Alert
Alert
% Cross Tra1c Ale rtis only available forve hicles
with Blind Spot Assist or Active Blind Spot
Assist. Cross
Tra1c Ale rtcan warndrivers of any cross-
ing tra1c when reve rsing and manoeuvring out of
a parking space. The radar sensors in the bumper
also monitor the area adjacent totheve hicle. If a
critical situation is de tected, theL symbol
appears in the media display and theve hicle can
be braked automaticall y.
If th era dar sensors are obstructed byvehicles or
ot her objects, de tection is not possible.
Cross Tra1c Ale rtis active under thefo llowing
conditions:
R ifth eve hicle is reve rsing at a walking pace.
R manoeuvring assista nce is activated
(/ page 270).
% Also obser vethe inst ructions on Blind Spot
Assist and Active Blind Spot Assist
(/ page 249).
Syst
Syst em limits
em limits
Cross Tra1c Ale rtis not available on inclines.
Cross Tra1c Ale rtis not available when driving
with a trailer. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating manoeuvr
ating manoeuvr ing assist
ing assistant
ant
Multimedia system:
4 © 5
Settings 5
Assistance
5 Camera & parking #
Activate/deactivate Manoeuvring assistance.
% Manoeuvring assistant must be acti veforthe
function of Drive AwayAssist (/ page 269)
and Cross Tra1c Ale rt (/ page 270). T
T
r
railer hitch
ailer hitch N
No
ot
tes on tr
es on tr ailer oper
ailer oper ation
ation *
N
NOOTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Obser
vethefo llowing no tes on theto ngue weight:
R Do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R Use a tongue weight as close as possible to
th e maximum tongue weight 270
270
Driving and parking