2018 MERCEDES-BENZ A-CLASS HATCHBACK towing

Symbols
........................................................ 5At
agl ance .................................................... 6
Cockpit ........................................................... 6
Wa rning and indicator lamps .......................... 8
Overhead control panel ................................ 12
Door control panel and seat adjustment ....... 14
Emergencies and breakdowns ...................... 16Digital Owner's Manual
.............................18
Calling up the Digital Owner's Manual ..........18 Genera
l notes............................................. 20
Pr otection of the environment ......................20
Ta ke -ba ckof end-of-life vehicles ...................20
Mercedes-Benz Genuine Parts ......................21
Owner's Manual ...........................................22
Operating saf ety .......................................... .22
Declaration of Conformity ............................ 23
Diagno stics connection ................................ 25
Qualified specialist workshop ....................... 25
Ve hicle registration ....................................... 26
Cor rect use of theve hicle ............................26 Information on
the REA CHregulation ........... 26
Implied warranty .......................................... .26
QR code forre scue card ...............................27
Data storage .................................................27
Copyright ...................................................... 29 Occupant saf
ety......................................... 30
Re stra int sy stem ...........................................30
Seat belts ..................................................... 32
Airbags ......................................................... 37
PRE-SAFE ®
sy stem ....................................... 44
Children in theve hicle ..................................46
No tes on pets in theve hicle .........................63 Opening and closing
.................................. 65
Ke y .............................................................. .65
Doo rs............................................................ 69
Load compa rtment ....................................... 74
Side windo ws................................................ 76
Sliding sunroof ............................................. 80
Anti-theft pr otection .....................................85 Seats and
stowing ..................................... 88
No tes on the cor rect driver's seat posi‐
tion ............................................................... 88
Seats ............................................................ 89
St eering wheel ..............................................97
Easy entry and exitfeature .......................... .98
Operating the memory function .................. 100
St ow age areas ............................................ 101
Cup holders ................................................ .110
Ashtr ayand cigar ette lighter ...................... .114
Soc kets ....................................................... 11 5
Wi reless charging of the mobile phone
and connection with theex terior aerial .......1 18
Fitting/removing thefloor mats ................. 12 0 Light and sight
......................................... 12 2
Exterior lighting .......................................... 12 2
Interior lighting ........................................... 13 0
Changing bulbs (on lyforve hicles with
halogen headlamp s) .................................... 131
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 13 4
Mir rors ........................................................ 137
Operating the sun visors ............................. 14 02
Contents

Climate control
......................................... 141
Overview of climate contro l systems ........... 141
Operating the climate control sy stem ......... 14 2 Driving and pa
rking .................................. 151
Driving ........................................................ 151
DY NA MIC SELECT switch ............................1 60
Manual transmission .................................. 16 2
Au tomatic transmission .............................. 16 4
Re fuelling .................................................... 16 9
Pa rking ........................................................ 175
Driving and driving sa fety sy stems .............1 84
Tr ailer hit ch................................................. 24 2
Bicycle rack function .................................. 24 5
Ve hicle towing instructions ........................ .247 Instrument Display and on-board
compu ter.................................................. 248
Instrument display overview ...................... .248
Overview of the buttons on thesteering
wheel ..........................................................2 49
Operating the on-board computer .............. 250
Ad justing the design of the instrument
display ........................................................ 251 Showing display conte
nt onthe instru‐
ment clus ter ............................................... 252
Overview of displa yson the multifunc‐
tion display .................................................2 53
Ad justing the instrument lighting ............... 253
Menus and submenus ................................ 254
Head-up Display ......................................... 260 LINGU
ATRO NIC ......................................... 261
No tes on operating saf ety .......................... .261
Operation ....................................................2 61
Using LINGU ATRO NIC ef fectively ............... 264
Essential voice commands ........................ .265 MBUX multimedia sy
stem ...................... 280
Overview and operation .............................. 280
Sy stem settings ...........................................3 11
Fit & Healt hy............................................... 320
Na vigation .................................................. 324
Te lephone .................................................. .366
Online and Internet functions ..................... 396
Media ........................................................ .405
Ra dio ...........................................................4 12
Sound ......................................................... 41 5 Maintenance and care
.............................419
ASS YST PLUS service inter val display ........ .419
Engine compartment .................................. 420
Cleaning and care ....................................... 427 Breakdown assistance
............................436
Emergency ................................................. .436
Flat tyre ...................................................... 438
Battery (vehicle) ......................................... 444
To w- starting or towing away ....................... 449
Electrical fuses ........................................... 454 Wheels and tyres
..................................... 458
No tes on noise or unusual handling char‐
acteristics .................................................. .458
No tes on regular lyinspecting wheels and
tyres .......................................................... .458
No tes on snow chains ................................ 458
Ty re pressure .............................................. 459
Wheel change ............................................ .468
Emergency spa rewheel .............................. 477 Con
tents 3

1
Safetyve sts →
436
2 Fire extinguisher →
437
3 Buttons forth e SOS emer gency call sy stem
and breakdown assis tance →
389
4 Haza rdwa rning lights →
12 5
5 Glovecompa rtment →
102
6 Starting assis tance →
448
7 Checking and topping up operating fluids →
485
8 Tow- starting and towing away →
450 9
Flat tyre →
438
A QR code for accessing there scue card →
27
B Totow- start and tow aw ay →
450
C Warning triangle →
436
D TIREFIT kit →
440
E First-aid kit (so ftsided) →
437
F Fuelfiller flap with instruction labels for tyre
pressu re, fuel type and QR code for accessing
th ere scue card →
16 9 At
aglance – Emer gencies and breakdowns 17

R
Closing the side windo ws.
R Vehicles with sliding sunroof: closingthe
sliding sunroof.
R Vehicles with memory function: moving
th e front passenger seat toa more favo ura‐
ble seat position.
R PRE-SAFE ®
Sound: pr ovided that the multi‐
media sy stem is switched on, generates a
brief noise signal tostimulate the innate pro‐
te ctive mechanism of a person's hea ring.
* NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat posi‐
tion may result in damage tothe seat and/or
th e object. #
Stow objects in a suitable place. Re
versing the PRE- SAFE®
sy stem measures If an accident did not occur,
the pre-em ptive
measures that we retak en are reve rsed. Yo
u will need toper form certain settings your‐
self. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. Fu
nction of PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) PRE-
SAFE®
PLUS can de tect cer tain impacts,
particular lyan imminent rear impact, and take
pre-em ptive measures toprotect theve hicle
occupants. These measures cannot necessarily
pr eve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay. If an accident did not occur,
the pre-em ptive
measures that we retake n are reve rsed.
Sy stem limitations
The sy stem will not initiate any action in thefo l‐
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The sy stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Occupant saf
ety45

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

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

Children in particular could acciden
tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue tohead
re stra ints which are not fitted or are
adjus ted incor rectly
If head restra ints are not fitted or are adjus‐
te d incor rectl y,they cannot pr ovide pr otec‐
tion as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking. #
Alw ays drive with the head restra ints
fi tted. #
Before driving off, ma kesure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Do not inter
change the head restra ints of the
front and rear seats. Otherwise, you will not be
able toadjust the height and angle of the head
re stra ints cor rectl y.
Ad just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. &
WARNING Risk of inju ryor death due to
incor rect seat position
The seat belt does not of ferth e intended
le ve l of pr otection if you ha venot mo vedthe
seat backrest toan almost vertical position.
When braking or in theeve nt of an accident,
yo u could slide underneath the seat belt and
sus tain abdominal or neck injuries, forex am‐
ple. #
Adjust the seat proper lybefore begin‐
ning your journe y. #
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the cent reofyour shoul‐
der. #
Toadjust the seat fore -and-aft position:
lift le ver1 and slide the seat into the
desired position. #
Make sure that the seat is engaged. #
Toadjust the seat heigh t:push or pull le ver
2 until the desired position has been
re ached. 90
Seats and stowing

#
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