2021 MERCEDES-BENZ A-CLASS SALOON steering wheel

Changing bulbs (only
forve hicles with hal-
ogen headlamps) ......................................... 139
Wi ndsc reen wipers and windscreen
wa sher system ............................................ 141
Mir rors ........................................................ 144 Climat
Climat
e contr
e control ol........................................... 147 147
Overview of climate control systems ............ 147
Operating the climate control system .......... 148 Dr
Dr
iving and par
iving and par king
king..................................... 156 156
Driving ........................................................1 56
DY NAMIC SELECT switch ........................... .172
Manual transmission ................................... 175
Au tomatic transmission .............................. .177
Fu nction of the 4MATIC ...............................1 81
Re fuelling .................................................... 182
Charging the high-voltage battery (plug-in
hy brid) ........................................................ 188
Pa rking .......................................................2 05
Driving and driving saf ety sy stems ............... 213
Tr ailer hitch ................................................ .264
Bicycle rack function ................................... 268
Ve hicle towing instructions .......................... 270 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 271 271
No tes on the inst rument display and on-
board computer .......................................... 271
Overview of instrument display .................... 272
Overview of buttons on the steering wheel ... 273
Operating the on-board computer ................2 73
Fu nction of the po wer me ter (plug-in
hy brid) ........................................................ 275
Fu nction of the electric mo tor po wer
av ailability displ ay(plug-in hybrid) ................ 275
Displaying the po wer me ter (plug-in
hy brid) ........................................................ 276
Overview of displa ysinthe inst rument
display ........................................................ 276
Head-up display .......................................... 276 MBUX multimedia syst MBUX multimedia syst
em
em........................... .279
279
Overview and operation ............................... 279
System settings .......................................... 288
Plug-in hybrid settings ................................ .292
Na vigation .................................................. .293
Te lephone ................................................... 302
Mercedes me app ....................................... 305 Mercedes-Benz emer
gency call system ....... 314
Ra dio & media ............................................ .318
Sound settings ............................................ 323 Maint Maint
enance and car
enance and car e
e................................. 324 324
ASS YST PLUS service inter val display .......... 324
Engine compartment ................................... 325
Cleaning and care ....................................... 331 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 340 340
Emer gency .................................................. 340
Flat tyre ...................................................... 342
Battery (vehicle) .......................................... 349
To w- starting or towing away ........................ 354
Electrical fuses ............................................ 360 Wheels and tyr Wheels and tyr
es
es......................................... 363 363
No tes on noise or unusual handling char-
acteristics ................................................... 363
No tes on regula rly inspecting wheels and
tyres .......................................................... .363
No tes on snow chains ................................. 363
Ty re pressure .............................................. 364 Contents
3 3

1
Steering wheel gearshiT paddles →
179
2 Combination switch →
132
3 Instrument displ ay →
272
4 DIRECT SELECT le ver →
177
5 ü Start/stop but ton →
160
è ECO start/s top function →
167
6 Media display →
279
7 Climate control systems →
148
8 £ Hazard warning light system →
133
9 PASSENGER AIR BAG indicator la mps→
57
A Glovecompartment →
120
B Stow age compartment →
120
C Cup holder
D 8 Controller forvo lume and switching
sound on/o. →
279
Ü Switches the MBUX multimedia system
on/o. →
279 E
z Calls up navigation →
281
F | Calls up radio or media →
281
G % Calls up thete lephone →
281
H ß Calls up favo urites →
281
I y Calls up vehicle functions →
281
J c Active Parking Assist →
260
K DYNAMIC SELECT switch →
173
L Touchpad →
281
M Control panel forth e MBUX multimedia system →
273
N Adjusts the steering wheel →
114
O ý Switches the steering wheel heater
on/o. →
115
P Control panel:
On-board computer →
273
Cruise control or variable limi ter →
224
I Active Distance Assist DISTRONIC →
228
Q Diagnostics connection →
38 At
a glance – Cockpit
7
7

ing state, component loads, maintenance
requ ire-
ments and tech nical events or faults.
Depending on theve hicle equipment, thefo llo w-
ing data are stored:
R operating status of system components, such
as /ll le vels, tyre pressure or battery status
R malfunctions or faults in impor tant system
components, such as lights or brakes
R system reactions in special driving situations,
such as airbag depl oyment or the inter vention
of stability cont rol systems
R information on events leading tovehicle dam-
age
In cer tain cases, it may be requ ired tostore da ta
th at wo uld ha veotherwise been used only temp o-
rari ly. This may be the case if theve hicle has
de tected a malfunction, forex ample.
If yo u use services, such as repair services and
maintenance work, stored operational data as
we ll as theve hicle identi/cation number can be
re ad out and used. They can be read out by
service network emplo yees, such as workshops
and manu facturers or third parties, such as break- down services. The same is true in
the case of
wa rranty claims and quality assurance measures.
In general, there adout is per form ed via the legally
prescribed port forth e diagnostics connection in
th eve hicle. The operational data that are read out
document tech nical states of theve hicle or of
individual components and assist in the diagnosis
of malfunctions, compliance with warranty obli ga-
tions and quality impr ovement. Tothat end, these
data, in particular information about component
loads, tech nical events, malfunctions and other
fa ults may be transmitted along with theve hicle
identi/cation number tothe manufacturer. Fur-
th ermore, the manufacturer is subject toproduct
liability. Forth is reason the manufacturer also
uses operational data from theve hicle, forex am-
ple, forre calls. These data can also be used to
ex amine the customer's warranty and guarantee
claims.
Fa ult memories in theve hicle can be reset by a
service outl etor at your requ est as part of repair
or maintenance work. Conv
Conv enience and inf ot
enience and inf otainment functions ainment functions
Yo u can store con venience settings and individual
settings in theve hicle and change or reset them
at any time.
Depending on theve hicle equipment, this
includes thefo llowing settings, forex ample:
R seat and steering wheel positions
R suspension and climate cont rolsettings
R individual settings, such as interior lighting
Depending on the selected equipment, you can
import data into vehicle inf otainment functions
yo urself.
Depending on theve hicle equipment, this
includes thefo llowing data, forex ample:
R multimedia data, such as music, /lms or pho-
tosfo r playback in an integ rated multimedia
system
R address book data for use in connection with
an integ rated hands-free system or an integ ra-
te d navigation system
R entered navigation destinations
R data about the use of Internet services General no
tes
43 43

In addition, a
warning tone may sound.
As soon as the driver and front passenger fasten
th eir seat belts, the seat belt warning goes out. F
F
unction of t
unction of t he r
he rear seat belt st
ear seat belt st atus display
atus displayThe
rear seat belt status displ ayis only available
fo r cer tain countries. When
theve hicle is switched on, there ar seat
belt status displ ayinforms youfo r a cer tain
amount of time which rear seat belt is not fas-
te ned. Yo
u can immediately dismiss there ar seat belt
status displ ayusing the back button on the leT-
hand side of the steering wheel (/ page 273).
If a vehicle occupant unfastens a seat belt in the
re ar while theve hicle is motion, there ar seat belt
status displ ayappears again.
In addition, a warning tone may sound. In this
case, there ar seat belt status displ aycannot be
hidden using the back button on the leT-hand side
of the steering wheel. Airbags
Airbags
Ov
Ov
er
ervie
vie w of airbags
w of airbags 1
Knee airbag
2 Driver's airbag
3 Front passenger airbag
4 Window airbag
5 Side airbag
The installation location of an airbag is identi/ed
by the AIRB AGsymbol.
When enabled, an airbag can pr ovide additional
pr otection forth ere specti ve vehicle occupant. 52
52
Occupant saf
ety

Each
vehicle occupant must make sure of the
fo llowing:
R Fasten seat belts co rrectl y.Pregnant
wo men must take particular care toensure
th at the lap belt ne ver lies across the
abdomen.
R Adopt the cor rect seat position and keep
as farawa y as possible from the airbags.
R Obser vethefo llowing information. #
Always make sure that there are no
objects between the airbag and vehicle
occupant. To
avo idtherisks resulting from the deployment
of an airbag, each vehicle occupant must obser ve
th efo llowing information in particular:
R Before starting your journe y,adjust your seat
cor rectl y;the driver's seat and front
passenger seat should be mo ved as far back
as possible.
When doing so, alw ays obser vethe informa-
tion on the cor rect driver's seat position
(/ page 104). R
Only hold the steering wheel bythe steering
wheel rim. This allo ws the airbag tobe fully
deplo yed.
R Always lean against the seat backrest when
th eve hicle is in motion. Do not lean forw ards
or against the door or side windo w.You may
ot herwise be in the deployment area of the
airbags.
R The occupants must alw ayske ep their feet on
th e 0oor. Do not put your feet on the cockpit,
fo rex ample. Your feet may otherwise be in the
deployment area of the airbag.
R Ifch ildren are tr avelling in theve hicle, obser ve
th e additional no tes (/ page 62).
R Always st owand secure objects cor rectl y.
Objects in theve hicle interior may pr event an air-
bag from functioning cor rectl y.Each vehicle occu-
pant must alw ays make sure of thefo llowing in
particular:
R There are no people, animals or objects
between theve hicle occupants and an airbag.
R There are no objects between the seat, door
and door pillar (B-pillar). R
There are no hard objects, e.g. coat hangers,
hanging on thegr ab handles or coat hooks.
R There are no accessories, such as mobile navi-
gation devices, mobile phones or cup holders,
within the deployment area of an airbag, e.g.
on the cockpit, on the door, on the side win-
dow or on the side trim.
In addition, no connecting cables, tensioning
straps or retaining straps must be routed or
attached totheve hicle within the deployment
area of an airbag. Alw ays comply with the
accessory manu facturer's ins tallation inst ruc-
tions and, in particular, the no tes on suitable
places for installation.
R There are no heavy, sharp-edged or fragile
objects in the poc kets of your clo thing. Store
such objects in a suitable place. 54 54
Occupant saf
ety

N
N
o
ot
tes on t
es on t he corr
he corr ect dr
ect driv
iver's seat position
er's seat position &
W
WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. Ensure
thefo llowing when adjusting the steering
wheel 1, seat belt 2and driver's seat 3:
R You are sitting as farawa y from the driver's
airbag as possible, taking thefo llowing points
into consideration:
R You are sitting in an upright position
R Your thighs are slightly suppor tedby the seat
cushion R
Your legs are not fully extended and you can
depress the pedals proper ly
R The back of your head is suppor ted at eye
le ve lby the centre of the head restraint
R You can hold the steering wheel with your
arms slightly bent
R You can mo veyour legs freely
R You can see all the displa yson the inst rument
cluster clear ly
R You ha vea good overview of the tra1c condi-
tions
R Your seat belt sits snugly against your body
and passes across the centre of your shoulder
and across your hips in the pelvic area
V
V ehicles wit
ehicles wit h an AMG perf
h an AMG perf or
ormance seat
mance seat :
:if the
front passenger seat is unoccupied, this can lead
to noise caused bythe seat belt tongue knocking
against the seat. You can pr event this by sliding
th e seat belt tongue upwards with the belt clip. If
th e front passenger seat is occupied, ensure that
th e belt clip is pushed down. Only then will the
seat belt /t tight tothe body. 104
104
Seats and st
owing

Seats
Seats
A
A
djus
djusting t ting t he fr
he front seat mec
ont seat mec hanicall
hanically (wit
y (without
hout
Seat Comf
Seat Comf or
ort P
t P ack
ack ag
age)
e) &
W
WARNING
ARNING Risk of becoming trapped if the
seats are adjusted bychildren
Children could become trapped if they adjust
th e seats, particular lywhen unat tended. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Never lea vechildren unattended in the
ve hicle. &
W
W ARNING
ARNING Risk of becoming trapped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that no
one has any body parts in the sweep of
th e seat. Obser
vethe saf ety no tes on "Airbags" and "Chil-
dren in theve hicle". &
W
WARNING
ARNING Risk of accident due tothe
driver's seat not being engaged
The driver's seat may mo veunexpectedly
while driving.
This could cause youto lose control of the
ve hicle. #
Always make sure that the driver's seat
is engaged before starting theve hicle. &
W WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. &
W
WARNING
ARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If yo u adjust the seat height carelessl y,yo u or
ot her vehicle occupants could be trapped and
th ereby injured.
Children in particular could accidentally press
th e 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 ofthe seat
adjustment system. Seats and st
owing
105 105

&
W
WARNI NG
ARNI NGRisk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. &
W
WARNING
ARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If yo u adjust the seat height carelessl y,yo u or
ot her vehicle occupants could be trapped and
th ereby injured. Children in particular could accidentally press
th
e 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 ofthe seat
adjustment system. &
W WARNING
ARNING Risk of injury due tohead
re straints not being /tted or being adjus-
te d incor rectly
If head restraints ha venot been installed or
ha ve not been adjusted cor rectl y,there is an
increased risk of injury in the head and neck
area, e.g. in theeve nt of an accident or when
braking. #
Always drive with the head restraints /t-
te d. #
Before driving o., make sure forev ery
ve hicle occupant that the centre of the
head restraint supports the back of the
head at about eye le vel. &
W
WARNING
ARNING Risk of injury or death due to
incor rect seat position
The seat belt will not o.er the intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. #
Adjust the seat proper lybefore begin-
ning your journe y. #
Always ensu rethat the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the centre of your shoul-
der. &
W
WARNING
ARNING Risk of injury due toexcessive
st ra in on thegr ab handle
If yo u apply your full body weight tothegr ab
handle or pull it abruptl y,thegr ab handle may
be damaged or become loose from its anchor-
age. 108 108
Seats and st
owing