length MERCEDES-BENZ A-CLASS HATCHBACK 2018 Owners Manual

1
Operates the memory function →
100
2 Adjusts the seats electrically →
91
3 Switches the seat heater on/off →
95
4 Switches the seat ventilation on/o ff →
96
5 &%Loc ks/unloc kstheve hicle →
70
6 Opens the door →
70
7 Operates the outside mir rors →
137
8 W Opens/closes theright side window →
76
9 W Opens/closes there ar right side win‐
dow →
76
A Child saf ety lock forth ere ar side wind ows →
63 B
W Opens/closes there ar left side wind ow→
76
C W Opens/closes the left side window →
76
D Adjusts the head restra ints →
92
E Seat adjustment using the multimedia sy stem →
94
F Adjusts the seat backrest inclination →
91
G Adjusts the seat height →
91
H Adjusts the seat cushion inclination →
91
I Sets the seat fore -and-aft adjustment →
91
J Adjusts the seat cushion length →
91 At
aglance – Door control panel and seat adjustment 15

&
WARNING Risk of inju rydue todeplo yed
airbag
A deplo yed airbag no longer of fers any pro‐
te ction and cannot pr ovide the intended pro‐
te ctive function in theeve nt of an accident. #
Have theve hicle towe dto aqu alified
specialist workshop in order tohave the
deplo yed airbag replaced. Ha
ve deplo yed airbags replaced immediately. St
atus of the front passenger front airbag Fu
nction of the automatic front passenger
front airbag shu toff
The automatic front passenger front airbag shut‐
off is able todetect whe ther the front passenger
seat is occupied bya person or a child restra int
sy stem. The front passenger front airbag is ena‐
bled or disabled accordingly. When
fitting a child restra int sy stem tothe front
passenger seat, alw ays make sure of thefo llow‐
ing:
R Ensure that thech ild restra int sy stem is posi‐
tioned cor rectly (→ page 54).
R Alw ays obser vethech ild restra int sy stem
manufacturer's ins tallation instructions.
R Never place objects, e.g. cushions, under or
behind thech ild restra int sy stem.
R Fully retract the seat cushion length adjust‐
ment.
R The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
R The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat.
R The child restra int sy stem must not touch the
ro of or be put under stra in by the head
re stra ints. Adjust the seat backrest inclina‐
tion and the head restra int setting accord‐
ing ly. &
WARNING Risk of inju ryor death due to
objects between the seat sur face and
th ech ild restra int sy stem
Objects between the seat sur face and the
ch ild restra int sy stem could af fect the func‐
tion of the automatic front passenger front
airbag shutoff.
This could result in the front passenger front
airbag not functioning as intended during an
accident. #
Do not place any objects between the
sitting sur face and thech ild restra int
sy stem. #
The entire base of thech ild restra int
sy stem must alw aysre st on the sitting
sur face of the front passenger seat. #
The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possi‐
ble, be resting on the seat backrest of
th e front passenger seat. #
Alw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions. 40
Occupant saf ety

Depending on
thech ild restra int sy stem and the
st ature of thech ild, thePA SSENGER AIR BAG
OFF indicator lamp may be off. In this case, do
not fit th ere ar wa rd-facing child restra int sy stem
to the front passenger seat.
Ins tead, fit th ere ar wa rd-facing child restra int
sy stem toa suitable rear seat.
Af terfitting a forw ard-facing child restra int
sy stem tothe front passenger seat: depend‐
ing on thech ild restra int sy stem and thest ature
of thech ild, PASSENGER AIR BAG OFF may be lit
continuously or be off. Alw ays obser vethefo l‐
lowing information. &
WARNING Risk of inju ryor death due to
incor rect positioning of thefo rw ard-
fa cing child restra int sy stem
If yo u secure a child in a forw ard-facing child
re stra int sy stem on the front passenger seat
and you position the front passenger seat too
close tothe dashboard, in theev ent of an
accident, thech ild could:
R come into con tact wi thparts of theve hi‐
cle's interior if thePA SSENGER AIR BAG
OFF indicator lamp is lit, forex ample
R bestru ck bythe airbag if thePA SSENGER
AIR BAG OFF indicator lamp is off #
Alw ays mo vethe front passenger seat
as far back as possible and fully retract
th e seat cushion length adjustment.
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat
belt outlet on theve hicle tothe shoul‐
der belt guide on thech ild restra int sys‐
te m. The shoulder belt stra p must be
ro uted forw ards and down wards from th
e seat belt outlet. If necessar y,adjust
th e front passenger seat according ly. #
Alw ays obser vethech ild restra int sys‐
te m manufacturer's ins tallation instruc‐
tions. When
fitting a child restra int sy stem tothe front
passenger seat, obser vetheve hicle-specific
information (→ page 53).
If a person is sitting on the front passenger
seat: PASSENGER AIR BAG OFF may be lit con‐
tinuously or be off, depending on the person's
st ature.
A person on the front passenger seat must
alw ays obser vethefo llowing information:
R Ifth e front passenger seat is occupied byan
adult or a person with a stature cor respond‐
ing tothat of an adult, thePA SSENGER AIR
BA G OFF indicator lamp must be off. This
indicates that the front passenger front air‐
bag is enabled.
If th ePA SSENGER AIR BAG OFF indicator
lamp is lit continuousl y,an adult or person Occupant saf
ety43

seat and
thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger airbag
can deploy in theev ent of an accident.
The child could be stru ck bythe airbag.
Alw ays ensure that the front passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat pr otected byan ENABLED
FRONT AIRB AGin front of it, DE ATH or SERI‐
OUS INJU RYtotheCH ILD can occur. If
th ePA SSENGER AIR BAG OFF indicator lamp is
out, the front passenger front airbag is enabled.
Be sure toobser vethe no tes on the safe trans‐
por tation of children (→ page 46).
Note s onvehicles without automatic front
passen ger front airbag shu toff
Ve hicles without automatic front passenger front
airbag shutoff ha vea special sticke r af fixe dto
th e side of the cockpit on the front passenger
side. Ne
ver ins tall a rear wa rd-facing child restra int
sy stem on the front passenger seat.
Make sure you obse rveth efo llowing informa‐
tion:
R Onforw ard-facing and rear wa rd-facing child
re stra int sy stems on the front passenger seat
(→ page 53).
R On attaching suitable child restra int sy stems
(→ page 54). Note
s onforw ard-facing and rear wa rd-facing
ch ild restra int sy stems on the front
passenger seat
When using a rear wa rd-facing child restra int sys‐
te m on the front passenger seat, the front
passenger front airbag must alw ays be disabled.
This is only the case if thePA SSENGER AIR BAG
OFF indicator lamp is lit continuously
(→ page 41).
When using thech ild restra int sy stem on the
front passenger seat, it is essential toobser ve
th efo llowing:
R Movethe front-passen ger seat as far back as
possible and also into the highest position.
R Set the seat backrest toan almost vertical
position.
R Retract the seat cushion length as far as pos‐
sible.
R The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
R The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front Occupant saf
ety53

#
Toadjust the seat backrest inclination:
turn handwheel 3forw ards and backwards
until the desired position has been reached. Ad
justing the front seat mechanically (with
Seat Comfort Package) #
Toadjust the seat cushion length: lift lever
1 and slide the front section of the seat
cushion forw ards or backwards. #
Toadjust the seat fore -and-aft position:
lift le ver2 and slide the seat into the
desired position. #
Make sure that the seat is engaged. #
Toadjust the seat cushion inclination:
turn handwheel 3forw ards and backwards
until the desired position has been reached. #
Toadjust the seat heigh t:push or pull le ver
4 until the desired position has been
re ached. #
Toadjust the seat backrest inclination:
turn handwheel 5forw ards and backwards
until the desired position has been reached. Ad
justing the front seat electrically 1
Seat ba ckrest inclination
2 Seat height
3 Seat cushion inclination
4 Seat fore -and-aft position #
Save the settings with the memory function
(→ page 100). Seats and
stowing 91

#
Turn the headlamp range adjus terto the
position that cor responds tothe load condi‐
tion of your vehicle. Operating
the combination switch for the
lights 1
High beam
2 Indicator, right 3
Headlamp flasher
4 Indicator, left #
Use the combination switch toactivate the
desired function.
High beam #
Toswitch on: turnthe light switch tothe
L orà position. #
Press the combination switch in the direction
of ar row1.
When the high beam is activated, the indica‐
to r lamp for low beam Lis deactivated
and replaced bythe indicator lamp forthe
high beam K. #
Toswitch off: pressthe combination switch
in the direction of ar row1or pull in the
direction of ar row3.
Headlamp flasher #
Pull the combination switch in the direction
of ar row3. Tu
rn signal lights #
Toindicate briefl y:press the combination
switch briefly tothe point of resis tance in the
direction of ar row2or4.
The cor responding indicator will flash three
times. #
Toindicate permanentl y:press the combi‐
nation switch be yond the point of resis tance
in the direction of ar row2or4.
Ve hicles with Active Lane Change Assi st
The Active Lane Change Assi stcan:
R lengthen indicator ope ration forth e dura‐
tion of the lane change if the driver has
activated the indicator.
R automatically activate the turn signal indi‐
cator if the driver indicated toturn in that
direction immediately beforehand but a
lane change was not immediately possi‐
ble. 124
Light and sight

R
Obs tacles ab ovethe de tection range, e.g.
ove rhanging loads, overhangs or loading
ra mp s of lor ries.
The sensors must be free of dirt, ice and slush.
Otherwise, they may not function cor rectly.
Clean the sensors regularly, taking care not to
scratch or damage them.
Ve hicles with trailer hitch: Parking Assist
PA RKTRONIC is deacti vatedfo rth ere ar zone
when you es tablish an elect rical connection
between your vehicle and a trailer.
Fu nction of the passive side impact pr otec‐
tion
Pa ssive side impact pr otection is an additional
Pa rking Assist PARKTRONIC function which
wa rnsth e driver about obs tacles at the side of
th eve hicle. A warning is issued when obs tacles
are de tected between the front and rear de tec‐
tion range. In order for an object on the side to
be de tected, the sensors in the front and rear
bumper must firs t de tect the object while you
are driving past it.
During the parking procedure or manoeuvring,
objects are de tected as theve hicle drives past. If
yo usteer in the direction of a de tected obs ta‐
cle and there is a risk of a lateral collision, a
wa rning is issued. The segments on the sides
light up yellow or red, depending on the dis tance
to the obs tacle.
Segment colour depending on distance Colour Lateral distance in
cm
Ye llo wA pprox. 30 - 60
Re dA pprox. < 30 In order
for lateral front or rear segments tobe
displa yed, theve hicle must firs t tr ave l a dis tance
of at least half of theve hicle length. Once the
ve hicle has tr avelled the length of theve hicle, all
of the lateral front and rear segments can be dis‐
pla yed. Ve
hicles without 360° Camera
1 Parking Assist PARKTRONIC is on ly opera‐
tional in the front and rear
2 Parking Assist PARKTRONIC is operational
and can also warnthe driver about obs tacles
at the side of theve hicle
3 Obstacle de tected at the front right (yellow)
and rear (red) 216
Driving and pa rking

of
fatigue or increasing lapses in concentration
on the part of the driver, it suggests taking a
brea k.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or increased lapses in con‐
centration in time. The sy stem is not a substitute
fo r a well-res ted and attentive driver. On long
journe ys,ta ke regular breaks in good time that
allow for adequ aterecuperation.
Yo u can choose between two settings.
R Standard: normal sy stem sensitivity.
R Sensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d according ly.
If dr owsiness or increasing lapses in concentra‐
tion are de tected, theATTENTION ASSIST: Take
a break! warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
tak e a break if necessar y.Ifyo u do not take a
break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes. Yo
u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
R The length of the journey since the last
break.
R The attention le vel de term ined byATTENTION
ASSIS T:
- the fuller the circle, the higher the atten‐
tional le vel de term ined
- asyour attention wanes, the circle in the
centre of the display becomes smaller If
AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
System suspended messageappears.
If a warning is given in the Instrument Displa y,
th e multimedia sy stem of fers to sear chfor a rest
area. You can select a rest area and start naviga‐
tion tothis rest area. This function can be activa‐
te d and deactivated in the multimedia sy stem.
If AT TENTION ASSIST is deactivated, theé
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored.
Sy stem limitations
AT TENTION ASSIST is active in the 60 km/h to
200 km/h speed range.
The functionality of ATTENTION ASSIST is
re stricted, and warnings may be dela yed or not
occur at all in thefo llowing situations:
R Ifyo u ha vebeen driving for less than appr ox‐
imately 30 minutes. 232
Driving and parking

St
andby mode function ...................... .184
St arting (Digital Vehicle Keyst icke r) .... 15 3
St arting (eme rgency operation
mode) .................................................. 154
St arting (mobile phone) ...................... .153
St arting (Remo teOnline) ..................... 15 5
St arting (s tart/s top button) ................ 15 2
Switching off (s tart/s top button) .........1 75
To wing ................................................ .247
Un locking (digital vehicle keyst icke r) .... 70
Un locking (from the inside) ...................70
Un locking (KEYLESS-GO) ...................... .71
Un locking (mobile phone) ...................... 70
Ve ntilating (co nvenience opening) ......... 77
Vo ice commands (LINGU ATRO NIC) ...... 276
Ve hicle data
Displ aying (DYNAMIC SELECT) ............ 16 2
Ro of load ............................................. 495
Tr ans ferring toAndroid Auto™ ............ 387
Tr ans ferring toApple CarPl ay™ ........... 387
Tr ans ferring toBaidu CarLife™ ............ 387
Ve hicle height ...................................... 494
Ve hicle length ...................................... 494
Ve hicle width ....................................... 494
Wheelbase ...........................................4 94Ve
hicle dimensions ................................. 494
Ve hicle identification number
see VIN
Ve hicle identification plate .................... 483
EU general operating pe rmit number .. 483
Pa int code .......................................... .483
Pe rm issible axle load .......................... .483
Pe rm issible gross mass ...................... .483
VIN ...................................................... 483
Ve hicle interior
Cooling or heating (Remo teOnline) ..... 15 5
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle position
Switching transmission on/off ............ 313
Ve hicle tool kit ........................................ 439
TIREFIT kit .......................................... .439
To wing eye .......................................... 453
Ve ntilating
Con venience opening ............................ 77Ve
ntilation
see Climate cont rol
Ve nts
see Air vents
VIN ............................................................ 483
Engine compa rtment ........................... 483
Identification plate .............................. 483
Wi ndsc reen ......................................... 483
Vi sion
Demisting windo ws............................. 14 4
Vo ice control sy stem
see LINGU ATRO NIC W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving ............................................ 436
Setting up ............................................ 437
Wa rning/indicator lamp
!ABS warning lamp ...................... .550 Index
599