2018 MERCEDES-BENZ A-CLASS HATCHBACK Owners Manual

#
Push release knob 1inthe direction of the
ar row and pull out the head restra int.
Fi tting #
Inse rtthe head restra int such that the
notches on the bar are on the left when
vie we d in the direction of tra vel. #
Push the head restra int down until you hear
it en gage in position. #
Foldthere ar seat backrest back until it
engages. Configuring
the seat settings Multimedia sy
stem:
, © .
Comfort .
Seat comfort
Ad justing the seat contour in the lumbar
re gion of the seat backrest (lumbar) #
Select Lumbar . #
Select the settings Zforth e desired seat. #
Adjust the air cushions. Ad
justing the backrest side bols ters #
Select Side bolsters . #
Adjust the air cushion forth ere qu ired seat.
Setting the seat heating balance #
Select Seat heating balance. #
Adjust the heat distribution forth ere qu ired
seat. Setting automatic seat adju
stment &
WARNING Risk of becoming trapped
du ring adjustment of the driver's seat
af te r calling up a driver profile
Selecting a profile may trigger an adju stment
of the driver's seat tothe position sa ved
under the profile. You or other vehicle occu‐
pants could be injured in the process. #
Make sure that when the position of
driver's seat is being adjus ted using the
multimedia sy stem, no people or body
parts are in the seat's range of mo ve‐
ment. If
th ere is a risk of someone becoming trap‐
ped, stop the adjustment process immedi‐
ately: #
a)Tapth ewa rning message on the
media displa y.
or #
b) Press a memory position button or a
seat adjustment switch in the driver's
door.
The adjustment process is stopped. Re
quirements:
Ad apt tobody size:
R Automatic seat adju stment is activated.
Multimedia sy stem:
, © .
Settings .
Fahrzeug (Vehi‐
cle) .
Auto. seat adjustment
Switching automatic seat adjustment on/off
When the active user profile is changed while
th eve hicle is stationar y,the driver's seat, out‐
side mir ror and seat contour are auto matically
adapte dto the driver. 94
Seats and stowing

#
Select OnorOff.
% This setting is available on lyfor individual
user profiles. Forth e guest profile, auto‐
matic seat adjustment cann otbe switched
on or off. Further information about user
profiles (→ page 289).
Ad justing
The vehicle calculates a suitable on the basis of
th e driver's body size and sets this direct ly. #
Select Seat positioning . #
Toset the unit of measurement: select cm
or ft/in. #
Set the body size via the slide controller. #
Select Start positioning.
The is adjus tedto the body size that has
been set.
% Ifth e calculated bytheve hicle is not practi‐
cal or comfor table, it can be changed man‐
ually at any time via the control buttons.
The outside mir rors are not set via this func‐
tion. Ins tead, they have tobe set manually
via the control switches. %
You can also make these settings via the
Mercedes me por talfo ryo ur user profile. By
syn chro nising the profiles in theve hicle and
th e Mercedes me connect profiles, you can
car ryove rth ese settings foryo ur vehicle.
Fu rther information about synchronising
user profiles (→ page 291). Selecting
the massage prog ramme for the
front seats Multimedia sy
stem:
, © .
Comfort .
Massage #
Select a seat. #
Select Wave Massage orPulsating Massage .
The selected prog ramme will start. #
Toset the massage intensit y:switch High
intensity on or off. Re
setting the seat settings Multimedia sy
stem:
, © .
Comfort .
Seat comfort #
Select Reset. #
ß forth erequ ired seat.
The settings forth e selected seat are reset. Switching
the seat heating on/off &
WARNING Risk of bu rns due torepeat‐
edly switching on the seat heater
Re peatedly switching on the seat heater can
cause the seat cushion and seat backrest
padding tobecome very hot.
The health of persons with limited temp era‐
ture sensitivity or a limited ability toreact to
high temp eratures may be af fected or they
may even su ffer burn-like injuries. #
Do not repeatedly switch on the seat
heater. Seats and
stowing 95

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

#
Push release le ver1 down as far as it will
go.
The steering column is unloc ked. #
Adjust height 2and di stance 3tothe
st eering wheel. #
Push release le ver1 up as far as it will go.
The steering column is loc ked. #
Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel. Switching
thest eering wheel heater on or off Re
quirements:
R The ignition is switched on. #
Toswitch on: pushthe switch toposition
1.
Indicator lamp 3lights up. #
Toswitch off: pushthe switch toposition
2.
Indicator lamp 3goes out.
When you swit ch the ignition off, thesteering
wheel heater switches off. Easy entry and
exitfeature Using
the easy entry and exitfeature &
WARNING Risk of accident when pulling
aw ay during the adjustment process of
th e easy exitfeature
‑ If you pull away while the easy entry and
ex itfeature is making adjustments, you could
lose cont rol of theve hicle. #
Alw ayswa it until the adjustment proc‐
ess is comple tebefore pulling away. &
WARNING Risk of becoming trapped
while adjusting the easy entry andexit
fe ature
When the easy entry andexitfeature adjusts
th e driver's seat, you and other vehicle occu‐
pants – particularly children – could become
trapped. #
During the adjustment process of the
easy entry andexitfeature, make sure 98
Seats and stowing

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

Operating
the memory function &
WARNING Risk of an accident if the
memory function is used while driving
If yo u use the memory function on the driv‐
er's side while driving, you could lose cont rol
of theve hicle as a result of the adjustments
being made. #
Only use the memory function on the
driver's side when theve hicle is station‐
ar y. &
WARNING Risk of entrapment when set‐
ting the seat with the memory function
When the memory function adjusts the seat,
yo u and other vehicle occupants – particu‐
lar lych ildren – could become trapped. #
During the adjustment process of the
memory function, make sure that no
one has any body parts in the sweep of
th e seat. #
If someone becomes trapped, press a
memory position switch or seat adjust‐
ment switch immediately. &
WARNING Risk of entrapment if the
memory function is activated bychildren
Children could become trapped if they acti‐
va te the memory function, particularly when
unattended. #
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. The memory function can be used when
the igni‐
tion is switched off.
Seat adjustments for up tothre e people can be
st ored and called up using the memory function.
The following sy stems can be selected:
R Seat R
Seat conto ur
R Outside mir rors
R Head-up display #
Tosto re:set the seat, seat conto ur,the
head-up display and the outside mir rorto the
desired position. 100
Seats and stowing

#
Press memory button M and then press pre‐
set position button 1,2 or 3 within thre e sec‐
onds. #
Tocall up: press and brief lyhold preset posi‐
tion button 1,2 or 3.
Af terre leasing the button, the front seat,
head-up displa y,outside mir ror and seat con‐
to ur are mo ved into thestored position auto‐
maticall y. St
ow age areas Note
s on loading theve hicle &
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. &
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. &
WARNING Risk of inju ryfrom inade‐
qu ate stow age of objects
If yo u do not adequately stowobjects in the
ve hicle interior, they could slip or be tossed
around and thereby strike vehicle occupants.
In addition, cup holders, open stowage
spaces and mobile phone brac kets cann ot alw
aysre stra in the objects they contain in
th eev ent of an accident.
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 tossed around in these
or similar situations. #
Alw ays make sure that objects do not
project from stowage spaces, luggage
nets or stowage nets. #
Close all sealable stowage spaces
before youstart your journe y. #
Stow and secure objects that are heavy,
hard, poin ted, sharp-edged, fragile or
to o lar geinthe load compartment. &
WARNING Risk of bu rning from theta il‐
pipe or tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If you come into contact with these
car parts, you could burn yourself. Seats and
stowing 101