light MERCEDES-BENZ A-CLASS HATCHBACK 2018 Owner's Manual

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

#
Tointer rupt automatic operation: press or
pull theW button again.
When theve hicle is switched off, the side win‐
do ws can continue being ope rated.
The function is available for around five minutes
or until a front door is opened.
Au tomatic reve rsing function of the side win‐
do ws
If an object bloc ksa side wind owduring the
closing process, the side window opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
When closing, make sure that no body parts
are in the closing area. &
WARNING Risk of becoming trapped
despi tethere being reve rsing pr otection
on the side window
The reve rse function does not react:
R tosoft, light and thin objects, e.g. fingers
R during resetting This means
that there ve rse function cann ot
pr eve nt someone from becoming trapped in
th ese situations. #
When closing, make sure that no body
parts are in the closing area. #
If someone becomes trapped, press the
W button toopen the side window
again. Au
tomatic function of the side windo ws The side windo
wsare closed automatically when
th eve hicle is switched off:
R if it starts torain (de tection bythera in sen‐
sor on the windscreen)
R intheeve nt of extreme outside temp eratures
R afte r six hours
R ifth ere is a malfunction in the po wer supp ly
The side windo wsare closed as far as theve nti‐
lation position. Ve
hicles with a sliding sunroof: the side win‐
do ws are closed comple tely if the sliding sunroof
is open.
If th e side windo wsare bloc ked during auto‐
matic closing, the side window concerned will
open again slightl y.The automatic function for
th e sliding sunroof and the side windo wsisthen
deactivated. Con
venience opening (ventilating theve hicle
before starting a journey) &
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody
is touching the side windo w. #
Release the button immediately if
somebody becomes trapped. Opening and closing
77

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

&
WARNING Risk of entrapment even wi th
th ere ve rsing feature active
The reve rse function does not react in partic‐
ular:
R tosoft, light and thin objects, e.g. fingers
R overth e last 4 mm of the closing path
R during resetting
This means that there ve rse function cann ot
pr eve nt someone from becoming trapped in
th ese situations. #
When closing, make sure that no body
parts are in the closing area. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The closing process is stopped. Au
tomatic reve rsing function of thero ller
sunblind
If th ere is an object obstructing thero ller sun‐
blind during the closing process, thero ller sun‐
blind will open again automaticall y.The auto‐
matic reve rsing function is only an aid and is not
a substitute foryo ur attentiveness. #
When closing thero ller sunblind, make sure
th at no body parts are in thera nge of mo ve‐
ment. &
WARNING Risk of becoming trapped
despi tereve rsing function
In particular, there ve rsing function does not
re act tosoft, light and thin objects, e.g. fin‐
ge rs.
This means that there ve rsing function can‐
not pr event entrapment in these situations. #
When closing thero ller sunblind, make
sure that no body parts are in thera nge
of mo vement. #
Release the button immediately if
somebody becomes trapped. or
#
Press the button in any direction during
th e automatic closing process.
The closing process is stopped. Au
tomatic functions of the sliding sun roof %
The term "sliding sun roof" also refers to the
panoramic sliding sunroof.
By pushing or pulling the3 button, you can
inter rupt the automatic functions: "Rain closing
function when driving" and "Automatic lo wer‐
ing".
The sliding sunroof is auto maticallyclosed when
th eve hicle has been switched off:
R if it starts torain (de tection bythera in sen‐
sor on the windscreen)
R intheeve nt of extreme outside temp eratures
R afte r six hours
R ifth ere is a malfunction in the po wer supp ly
The sliding sunroof then rises at there ar in order
to continue ventilating theve hicle interior. 82
Opening and closing

If
th e sliding sunroof is bloc ked during an auto‐
matic closing procedure, thero of is opened
slightly again. The automatic function forthe
sliding sunroof and the side windo wsisthen
deactivated.
Ra in closing function when driving
Ve hicles with a panoramic sliding sunroof: if
it starts torain, thera ised sliding sunroof is
automatically lo wered while theve hicle is in
motion.
Au tomatic lo wering function
Ve hicles with a panoramic sliding sunroof: if
th e sliding sunroof is raised at there ar, it is automatically lo
wered slightly at higher speeds.
At low speeds, it is raised again automaticall y. &
WARNING Risk of entrapment byauto‐
matic lo wering of the sliding sunroof
At high speeds thera ised sliding sunroof
automatically lo wersslightly at there ar.
This could trap you or other persons. #
Make sure that nobody reaches into the
sweep of the sliding sunroof whilst the
ve hicle is in motion. #
If somebody becomes trapped, briefly
push the sliding sunroof button for‐
wa rds or backwards.
The sliding sunroof lifts during opening. Problems with
the sliding sunroof %
The term "sliding sun roof" also refers to the
panoramic sliding sunroof. Problem
Possible causes/consequences and M MSolutions
The sliding sunroof cann otbe closed
and you cannot see the cause. &
WARNING Risk of becoming trapped or fata l injury byclosing the sliding sunroof again
If yo u close the sliding sunroof again immediately af ter it has been bloc ked or reset, the sliding sunroof
closes with increased forc e.
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. #
Release the button immediately if somebody becomes trapped. Opening and closing
83

Problem
Possible causes/consequences and M
MSolutions
or #
Press the button in any direction during the automatic closing process.
The closing process is stopped. If
th e sliding sunroof is obstructed during closing and reopens again slightly: #
Immediately af ter auto matic reve rsing, pull and hold the3 button down again tothe point of resist‐
ance until the sliding sunroof is closed.
The sliding sunroof will be closed with increased forc e.
If th e sliding sunroof is obstructed again and reopens again slightly: #
Repeat the pr evious step.
The sliding sunroof will be closed again with increased forc e.
Ve hicles with a panoramic sliding
sunroof: the sliding sunroof or the
ro ller sunblind does not opera te
smoo thly. #
Pull and hold the3 button little bylittle until the sliding sunroof is fully closed. #
Pull and hold the3 button little bylittle until thero ller sunblind is fully closed. #
Use automatic operation tofully open and then close the sliding sunroof. 84
Opening and closing

Note
s onthe cor rect driver's seat position &
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. Ensure
thefo llowing when adjusting thesteering
wheel 1, seat belt 2and driver's seat 3:
R you are as faraw ay from the driver's airbag
as possible
R you are sitting in an upright position
R your thighs are slight lysuppor tedby the seat
cushion R
your legs are not fully extended and you can
depress the pedals properly
R the back of your head is suppo rted at eye
le ve lby the cent reofthe head restra int
R you can hold thesteering wheel with your
arms slightly bent
R you can mo veyour legs freely
R you can see all the displa yson the instru‐
ment clus ter clea rly
R you ha vea good overview of the traf fic con‐
ditions
R your seat belt is pulled snug lyagainst your
body and is routed across the cent reofyour
shoulder and across your hips in the pelvic
area 88
Seats and stowing

#
Toraise: pullthe head restra int up. #
Tolowe r:press release knob 1inthe direc‐
tion of the ar row and push the head restra int
down. #
Tomo veforw ards: press release knob 2
and pull the head restra int forw ards. #
Tomo vebackwards: pressrelease knob 2
and push the head restra int backwards. Ad
justing the head restra ints of there ar
seats mechanically #
Toraise: pullthe head restra int up. #
Tolowe r:press release knob 1inthe direc‐
tion of the ar row and push the head restra int
down. Fi
tting/ removing the rear seat head
re stra ints
Re mo val #
Release there ar seat backrest and fold it
slight lyforw ards (→ page103). #
Pull the head restra int upwards as far as it
will go. Seats and
stowing 93

To
protect against overheating, the seat heating
may be temp orarily deactivated af ter it is
switched on repeatedly.
* NO
TEDama getothe seats caused by
objects or documents when the seat
heater is switched on When
the seat heater is switched on, over‐
heating can occur due toobjects or docu‐
ments placed on the seats e.g. seat cushions
or child seats. This could cause damage to
th e seat sur face. #
Makesure that no objects or docu‐
ments are on the seats when the seat
heater is switched on. Re
quirements:
R the po wer supp lyis switched on #
Toswitch on/increase the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
Depending on the heating le vel, up tothree
indicator lamps light up. #
Toswitch off/reduce the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
If all indicator lamps are off, the seat heater
is switched off.
% The seat heater automatically switches down
from theth re e heating le vels af ter 8, 10and
20 minutes until the seat heater is switched
off. Switching
the seat ventilation on/off Re
quirements:
R the po wer supp lyis switched on 96
Seats and stowing

#
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