key MERCEDES-BENZ A-CLASS HATCHBACK 2018 User Guide

Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
When theve hicle is loc ked automatically, the
indicator lamp in button 2lights up.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R While theve hicle is being tow star ted/
pushed.
R The vehicle is being tested on the dynamom‐
et er. Locking/unlocking
theve hicle with the
emer gency key Locking/unlocking
the driver's door with the
emer gency key
% Ifyo u wish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key. #
Insert the emer gency key as far as it will go
into opening 1inthe co ver. #
Pull and hold the door handle. #
Pull the co ver on the emer gency key as
st ra ight as possible away from theve hicle
until it releases. #
Release the door handle. Opening and closing
73

#
Tounlo ck:turn the emer gency key anti-
clo ckwise toposition 1. #
Tolock: turnthe emer gency key clo ckwise to
position 1. #
Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly. Locking
the front passenger door and rear
doors with th e emergency key #
Insert a suitable object, e.g. the emer gency
ke y,into opening 1onthe door loc k. #
Tolock the left-hand side of theve hicle:
turn the emer gency key anti-clo ckwise as far
as it will go. #
Tolock theright-hand side of theve hicle:
turn the emer gency key clo ckwise as far as it
will go.
If th e loc ked door is then closed, it can no longer
be opened from outside. Load compartment
Opening
the tailgate &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if theta il‐
gate is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening theta ilgate. #
Never drive with theta ilgate open. 74
Opening and closing

*
NO
TEDama getotheta ilgate caused by
obs tacles ab ovetheve hicle The
tailgate swings rear wa rds and upwards
when it is opened. #
Make sure that there is suf ficient space
behind and ab ovetheta ilgate. #
Pull theta ilgate handle. Closing
the tailgate &
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects 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. #
Pull theta ilgate down with the handle and let
it drop into the loc k. Un
locking the tailgate with the emer gency
key #
Foldthere ar seat backrest forw ards. #
Remo vethe load compartment co ver
( → page 106). #
Insert emergency key2 into opening 1in
th e trim and push it in.
The tailgate will be unloc ked. Opening and closing
75

#
Press and hold the% button on thekey.
The following functions are per form ed:
R The vehicle is unloc ked.
R The side windo wsare opened.
R The pano ramic sliding sunroof is opened.
R The seat ventilation of the driver's seat is
switched on.
If th ero ller sunblinds of the panoramic sliding
sunroof are closed, thero ller sunblinds are
opened firs t. #
Tointer rupt convenience opening: release
th e% button. #
Tocontinue con venience opening: press
and hold the% button again. Con
venience closing (closing theve hicle
from outside) &
WARNING Risk of entrapment caused by
inadver tent con venience closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
dow and the sliding sunroof. #
Obser vethe comple teclosing proce‐
du re when using con venience closing. #
When closing, ma kesure that no body
parts are in the closing area. #
Press and hold the& button on thekey.
The following functions are per form ed:
R The vehicle is loc ked. R
The side windo wsare closed.
R The pano ramic sliding sunroof is closed. #
Tointer rupt convenience closing: release
th e& button. #
Toclose thero ller sunblinds: press and
hold the& button again.
% Con venience closing can also be operated
wi th KEYLESS-GO (→ page71). Problems with
the side windo ws Problem
Possible causes/consequences and M
M Solutions
A side window cann otbe closed and
yo u cannot see the cause. #
Check tosee whe ther any objects are in the window guide. 78
Opening and closing

Problem
Possible causes/consequences and M
MSolutions
& WARNING Risk of becoming trapped or fata lly injured if reve rsing pr otection is not activated
If yo u close a side wind owagain immediately af ter it has been bloc ked or reset, the side window closes
with increased or maximum forc e. The reve rsing feature is then not active.
Pa rts of the body could become trapped in the closing area in the process. #
Make sure that no parts of the body are in the closing area. #
Tostop the closing process, release the button or press the button again toreopen the side win‐
do w. If a side window is obstructed during closing and
reopens again slightly: #
Immediately af terth e window is bloc ked, pull the cor responding switch again until the side window has
closed, and hold the switch for an additional second.
The side window will be closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: #
Repeat the pr evious step.
The side window is closed without the automatic reve rsing function.
The side windo wscannot be opened or
closed using the con venience opening
fe ature. The
key bat tery iswe ak or dischar ged. #
Check the battery using the battery indicator lamp and replace if necessary (→ page67). Opening and closing
79

Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when theta ilgate is opened
R when the bonn etis opened
R when interior pr otection is triggered
(→ page 86)
R when tow- aw ay protection is triggered
(→ page 86) The
ATA sy stem is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Indicator lamp
1flashes when theAT A sy stem
is primed. The
ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 154)
R afte r unlocking theve hicle using KEYLESS-
GO
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (→ page 393).
Deactivating theATA #
Press the% or& button on thekey.
or #
Press thest art/ stop button with theke y in
th estow age compartment (→ page154)
Deactivating the ala rmusing KEYLESS-GO: #
Grasp the outside door handle with thekey
outside theve hicle. Opening and closing
85

Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if
your
ve hicle's angle of inclination is altered while tow-
aw ay protection is primed.
To w- aw ay protection is automatically primed
af te r about 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R the doors
R theta ilgate
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing the% button on thekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 154)
R afte r unlocking theve hicle using KEYLESS-
GO Information on de
tecting damage on a pa rked
ve hicle (→ page183). Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
, © .
Settings .
Schnellzugriff
(Quick access) #
Prime or deactivate Tow-away protection .
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select the
Vehicle submenu in theSettings main menu
to prime or deactivate tow- aw ay protection. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior. Interior pr
otection is primed automatically af ter
appr oximately ten seconds:
R After locking theve hicle with thekey
R After locking theve hicle using KEYLESS-GO
Interior pr otection is only primed when thefo l‐
lowing components are closed:
R Doo rs
R The tailgate
Interior pr otection is automatically deactivated:
R After pressing the% button on thekey
R After pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 154)
R After unlocking theve hicle using KEYLESS-
GO
The following situations can lead toafa lse
alarm:
R Moving objects such as masc ots in theve hi‐
cle interior
R When the side window is open
R When the panoramic sliding sunroof is open 86
Opening and closing

Seats
Ad
justing the front seat mechanically (with‐
out Seat Comfort Package) &
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particularly when unattended. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. #
Never lea vechildren unat tended in the
ve hicle. &
WARNING Risk of becoming trapped
when adjusting the seats
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
When adjusting a seat, make sure that
no one has any body parts in the sweep
of the seat. Obser
vethe saf ety no tes on "Airbags" and "Chil‐
dren in theve hicle". &
WARNING Risk of accident due tothe
driver's seat not being engaged
If th e driver's seat is not engaged, it could
mo veunexpectedly while theve hicle is in
motion.
This could cause youto lose control of the
ve hicle. #
Alw ays make sure that the driver's seat
is engaged before starting theve hicle. &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured. Seats and
stowing 89

#
Toswitch on: press button 1.
All indicator lamps are on. #
Toreduce the le vel:press button 1
re peatedly until the desired ventilation le vel
is set.
Depending on theve ntilation le vel, up to
th re e indicator lamps light up. #
Toswitch off: press button 1repeatedly
until all the indicator lamps go out. Ste
ering wheel Ad
justing the steering wheel manually &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. Seats and
stowing 97

th
at no one has any body parts in the
sweep of the driver's seat.
If th ere is a risk of becoming trapped bythe
driver's seat: #
Press the seat adjustment switch.
The adjustment process is stopped. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. Yo
u can stop the adjustment process bypress‐
ing one of the memory function position buttons. &
WARNING Risk of becoming trapped
du ring acti vation of the easy entry and
ex itfeature bychildren
If ch ildren activate the easy entry andexit
fe ature, they can become trapped, pa rticu‐
lar lywhen unat tended. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. When
the easy entry andexitfeature is active,
th e driver's seat mo ves backwards and the back‐
re st is mo vedto ast eeper position when:
R you swit chthe ignition off when the driver's
door is open
R you open the driver's door when the ignition
is switched off
% The driver's seat will mo vebackwards only if
it is not already in there armost position.
The seat backrest will mo veforw ards on lyif
it is not already in the frontmost position.
The driver's seat mo ves back tothe last drive
position in thefo llowing cases:
R you swit ch the ignition on when the driver's
door is closed
R you close the driver's door when the ignition
is switched on The last drive position is
stored in thefo llowing
situations:
R you swit ch the ignition off
R you call up the seat settings via the memory
function
R you sa vethe seat setting using the memory
function Setting
the easy entry and exitfeature Re
quirements:
R Automatic seat adju stment has been activa‐
te d (→ page 94).
Multimedia sy stem:
, © .
Settings .
Fahrzeug (Vehi‐
cle) .
Easy Entry/Exit #
Activate or deacti vate the function.
% Ifyo u use an individual user profile and ha ve
set your body size, this information is car ried
ove rfo rth e easy entry andexitfeature.
Au tomatically into the cor rect position. For
fur ther information about automatic seat
positioning (→ page94). Seats and
stowing 99