2021 MERCEDES-BENZ A-CLASS HATCHBACK change wheel

Wheel
change ............................................. 373
Emer gency spa rewheel .............................. .383
Collapsible spare wheel ............................... 386 T
T
ec
ec hnical dat
hnical dat a
a............................................. 389 389
No tes on tech nical data .............................. 389
On-board electronics ................................... 389
Re gula tory radio identi/cation and no tes ..... 391
Ve hicle identi/cation plate, VIN and
engine number overview .............................. 392
Operating 0uids ...........................................3 93
Ve hicle data ................................................ 403
Tr ailer hitch ................................................ .405 Displa Displa
y messag
y messag es and w
es and war
arning/indicat
ning/indicat or
or
lam
lam ps
ps.......................................................... 409 409
Display message s ....................................... .409
Wa rning and indicator lamps ....................... 476 Inde
Inde
x
x.......................................................... 492 4924
4
Contents

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 rol settings
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 These data
for con venience and inf otainment
functions may be sa ved locally in theve hicle or
th ey may be located on a device which you ha ve
connected totheve hicle, such as a smartphone,
USB 0ash drive or MP3 pla yer.Ifyo u ha veentered
th ese data yourself, you can dele tethem at any
time.
This data is transmitted from theve hicle tothird
parties only at your requ est. This applies, in par-
ticular, when you use online services in accord-
ance with the settings that you ha veselected.
Smar
Smar tphone int tphone int egr
egration (e.g. Andr
ation (e.g. Andr oid A
oid Aut
uto or
o or
Apple CarPlay
Apple CarPlay ®
®
)
)
If yo ur vehicle is accordingly equipped, you can
connect your smartphone or ano ther mobile end
device totheve hicle. You can then control them
by means of the control elements integ rated in
th eve hicle. Images and audio from the smart-
phone can be output via the multimedia system.
Cer tain information is simultaneously transfer red
to your smartphone. Depending on the type and
integ ration, this includes position data, day/night
mode and other general vehicle statuses. For
more information please consult the Owner's
Manual of theve hicle/inf otainment system. This integ
ration allo ws the use of selected smart-
phone apps, such as navigation or music pla yer
apps. There is no fu rther interaction between the
smartphone and theve hicle; in particular, vehicle
data is not directly accessible. The type of addi-
tional data processing is de term ined bythe pro-
vider of the app being used. Which settings you
can make, if an y,depends on the speci/c app and
th e operating system of your smartphone. Online ser Online ser
vices
vices W
W
ir
ireless ne
eless ne tw
twor
ork connection
k connection
If yo ur vehicle has a wireless network connection,
it enables data tobe exch anged between your
ve hicle and additional systems. The wireless net-
wo rkconnection is made possible bytheve hicle's
ow n transmitter and receiver or bya mobile end
device that you ha vebrought into theve hicle, for
ex ample, a smartphone. Online functions can be
used via the wireless network connection. This
includes online services and applications/apps
pr ov ided toyouby the manufacturer or by other
pr ov iders. 44 44
General no
tes

#
T
To r
o r emov
emov e:
e:turn co ver1 tothe leT and
re mo veit from the wheel ar chliner. #
T
To
o /t:
/t: insert co ver1 into the wheel ar chliner
and turn it totheright until it engages.
R
R eplacing light sour
eplacing light sour ces in t
ces in t he halog
he halog en headla mp
en headlamp
R
R eq
eq uir
uir ements:
ements:
R Lo
Low beam:
w beam: an H7 55 W light source is availa-
ble.
R High beam:
High beam: an H7 55 W light source is availa-
ble. 1
Low beam housing co ver
2 High beam housing co ver #
Switch the lighting system o.. #
Remo vethe co ver in the front wheel ar ch
( / page 144). #
Turn there leva nt housing co ver anti-clockwise
and remo veit. #
Turn the soc ket anti-clockwise and remo veit. #
Pull the light source out of the soc ket. #
Inse rtthe new light source into the soc ket
such that the entire base of the light source is
re sting on the bottom of the soc ket. #
Inse rtthe soc ket and turn it clockwise. #
Press on the housing co ver and turn it cloc k-
wise. #
Replace the co ver in the front wheel ar ch
( / page 144). Changing t
Changing t
he r
he rear bulbs (v
ear bulbs (v ehicles wit
ehicles with halog
h halogen
en
headlam
headlam ps)
ps) R R
eplacing t
eplacing t he t
he t ail lam
ail lam p bulbs
p bulbs #
Due totheir locations, ha vethe bulbs forthe
turn signal light and reve rsing light changed at
a qu ali/ed specialist workshop. W W
indscr
indscr een wiper
een wiper s and windscr
s and windscr een w
een washer sy
asher sy s-
s-
t
t em
em Switc
Switc
hing t
hing t he windscr
he windscr een wiper
een wipers
son/o.
on/o. 1
gWindsc reen wipers o.
2 Ä Automatic wiping, normal
3 Å Automatic wiping, frequent Light and sight
145
145

The electrolyte is hazardous
tohealth and cau-
ses ir rita tion. It must not come into contact
with your skin, eyes, respiratory or gans or
clo thing or be swallo wed. #
Ifyo u come into contact with electrolyte,
obser vethefo llowing:
R Immediate lyrinse the electrolyte
from your skin with water and seek
medical attention.
R If electrolyte comes into contact with
your eyes, immediately rinse them
th oroughly with clean water and seek
medical attention.
R Ifth e electrolyte is swallo wed, imme-
diately rinse your mouth out thor-
oughl y.Do not induce vomiting. Seek
medical attention immediatel y.
R Immediately change out of clo thing
which has been contaminated with
electrolyte.
R If an allergic reaction occurs, seek
medical attention immediatel y. The inside
rear-view mir ror and the outside mir ror
on the driver's side will automatically go into anti-
dazzle mode if light from a headlamp hits the sen-
sor on the inside rear-view mir ror.
Syst Syst em limits
em limits
The system will not go into anti-dazzle mode if: R theve hicle is switched o..
R Reversege ar is engaged.
R The interior lighting is switched on. F
F
r
ront-passeng
ont-passeng er outside mirr
er outside mirr or par
or parking position
king position
function
function The parking position makes parking easier.
The front-passenger outside mir rorwill swivel
down wards in the direction of there ar wheel on
th e front passenger's side when:
R the parking position is stored (/ page 152).
R the front-passenger mir ror is selected.
R reve rsege ar is engaged. The front-passenger outside mir
rorwill mo veback
to its original position when:
R you shiT the transmission toano ther transmis-
sion position.
R you are tr avelling at a speed greater than
15 km/h.
R you press the button forth e outside mir ror on
th e driver's side. Light and sight
151
151

active
for ano ther /ve minutes if the departure
is dela yed. #
T
To deactiv
o deactiv at
ate:
e: push the& button up or
down.
The following functions will remain active once the
ve hicle has been star ted:
R Seat heating
R Seat ventilation A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating immediat
ating immediat e pr
e pre-entr
e-entr y cli-
y cli-
mat
mat e contr
e contr ol
ol &
W
WARNI NG
ARNI NGRisk of fatal injury due toexpo-
sure toextreme heat or cold in theve hicle
If persons, particular lych ildren, are subjected
to prolonged exposure tointense heat or cold,
th ere is a risk of se vere injury or even death. #
Never lea vepersons, particular lych il-
dren, unattended in theve hicle. Air-conditioning of
theve hicle interior can con-
tinue for up to50 minutes, e.g. if the journey is
inter rupted. The colours of
the indicator lamp ha vethefo llo w-
ing meanings:
R Blue: Blue: cooling is activated.
R R
Red:
ed: heating is activated.
R Y
Yello w:
ello w:the departure time has been preselec-
te d. #
Set the desired temp erature using the w
button. #
Press button 1.
The red or blue indicator lamp on button 1
will light up or go out. S
S
t
tationar
ationar y heat
y heater/v
er/ventilation
entilation S
S
t
tationar
ationar y heat
y heater/v
er/ventilation function
entilation function
% The following function is equipment-depend-
ent.
R The air inside theve hicle is heated or ventila-
te dto the set temp erature.
R The air inside theve hicle cann otbe cooled
down to temperatures below the outside tem-
perature.
R Ifth e outside temp erature changes, ventilation
mode automatically switches toheating mode
or heating mode automatically switches to
ve ntilation mode.
The stationary hea ter and theex haust gas outl et
are situated in front of theright-hand front wheel. 158
158
Climate control

When
the automatic transmission is shiTed to
position h,you can manually shiT it with the
stee ring wheel gearshiT paddle. If permitted, the
automatic transmission shiTs toa higher or lo wer
ge ar depending on the steering wheel gearshiT
paddle being pulled.
Yo u ha vetwo options tomanually shiT the auto-
matic transmission:
R Temp orary setting
R Perm anent setting
The gears shiT automatically when manual shiTing
is deactivated.
T
T em em por
por ar
ary se
y se tting:
tting: #
T
To activ
o activ at
ate:
e: Pull steering wheel gearshiT pad-
dle 1 or2.
Manual shiTing is activated for a short time.
The transmission position display sho wsp
and the cur rent gear.
% How long the manual shiTing st ays activated
is dependant on various factors. Manual shiTing can be automatical
lydeactiva-
te d in thefo llowing cases:
R Changing the drive prog ram
R Restarting theve hicle
R When the transmission position his
engaged again
R Driving style #
T
T o
o shiT
shiT up:
up:Pull steering wheel gearshiT pad-
dle 2. #
T
T o
o shiT
shiT do
down:
wn: Pull steering wheel gearshiT
paddle 1.
If yo u pull and hold the steering wheel gear-
shiT paddle 1,the transmission shiTs tothe
lo we st possible gear. #
T
T o deactiv
o deactiv at
ate:
e: Pull steering wheel gearshiT
paddle 2and hold it in place.
The transmission position displ aysho wsh.
P
P er
er manent se
manent se tting:
tting: #
Change todrive prog ram =(/ page 179). #
Select drive setting p(/ page 180). Gear
Gear
shiT
shiT r
recommendation
ecommendation The
gearshiT recommendation assists you in
adopting an economical driving style. #
Ifth ege arshiT recommendation 1appears
next tothe transmission position displa y,shiT
to there commended gear. Using kic
Using kic
kdo
kdown
wn #
Maximum acceler Maximum acceler ation:
ation:depress the accelera-
to r pedal be yond the pressure point. 186 186
Driving and parking

Se
Se
tting A
tting A TTENTION ASSI ST
TTENTION ASSIST
Multimedia system:
4 © 5
Settings 5
Assistance
5 Attention Assist
Se
Se tting op
tting op tions
tions #
Select Standard ,Sensitive orOff .
Sugg
Sugg es
esting a rting a r es
est art ar ea
ea #
Select Suggest rest area . #
Activate or deactivate the function.
If AT TENTION ASSIST de tects fatigue or
increasing lack of attention, it suggests a rest
area in the vicinity. #
Select the suggested rest area.
Yo u are guided tothe selected rest area. Cr
Cr
uise contr
uise control and limit ol and limit er
er F
F
unction of cr
unction of cr uise contr
uise controlol
Cruise control regula testh e speed totheva lue
selected bythe driver.
If yo u accelerate toove rtake, forex ample, the
stored speed is not dele ted. If youre mo veyour fo
ot from the accelerator pedal aTer overtaking,
cruise cont rol will resume speed regulation back
to the stored speed.
Yo u can store any speed abo ve20 km/h up tothe
maximum design speed or up tothe set winter
tyre limit.
Obser vethe no tes on driving systems and your
re sponsibility; you may otherwise failto recognise
dangers (/ page 219).
Mer
Mer cedes‑ cedes‑ AMG v
AMG vehicles:
ehicles: cruise cont rol is availa-
ble up toa maximum speed of 250 km/h.
Displ ay
Display s in t
s in the Ins
he Instr trument Display
ument Display
R h (gre y): cruise control is selected but not
yet activated.
R h (gre en): cruise control is active.
A stored speed appears along with theh dis-
pla y.
% The segments extending from the cur rent
stored speed tothe end of the scale, or tothe
set winter tyre limit, light up in the speedome-
te r. Syst Syst
em limits em limits
Cruise control may be unable tomaintain the
stored speed on uphill gradients. The stored
speed is resumed when thegr adient evens out.
Change into a lo werge ar in good time on long and
steep downhill gradients. Take particular no teof
th is when driving a laden vehicle. By doing so, you
will make use of the engine's braking e.ect. This
re lie vesth e load on the brake system and pre-
ve nts the brakes from overheating and wearing
to oqu ickl y.
Do not use cruise control in thefo llowing situa-
tions:
R in tra1c situations which requ ire frequent
ch anges of speed, e.g. in heavy tra1c, on
winding roads
R on slippery roads. Accelerating can cause the
drive wheels tolose traction and theve hicle
could then skid.
R when visibility is poor
F
F unction of t
unction of t he limit
he limiter
er
The limiter restricts the speed of theve hicle. To
re duce the speed tothe set speed, the limiter
applies the brakes automaticall y. Driving and parking
229
229

%
Ifyo u brake, deactivate ESP ®
or if ESP ®
inter-
ve nes, cruise cont rol is deactivated. The varia-
ble limi ter is not deactivated.
Inf
Inf or
ormation on t
mation on t he per
he permanent limit
manent limit er
er
If th eve hicle should ne verex ceed a speci/c
speed (e.g. for driving in winter tyre mode), you
can set this speed with the permanent limiter.
Yo u do this by limiting the speed between
160 km/h and 240 km/h in the multimedia sys-
te m (/ page 232).
Shortly before the set speed is reached, it
appears in the Instrument Displa y.When you con-
/rm the message, display messages no longer
appear until you switch o. theve hicle. The speed
will only be displ ayed again once theve hicle has
been restar ted or if the set speed is changed.
The permanent limi ter does not switch topassive
mode even during kickdown and the driven speed
re mains below the set speed. Se
Se tting t
tting t he limit speed f
he limit speed f or wint
or winter tyr
er tyres
es
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Winter tyres limit #
Select a speed or deactivate the function. A
A
ctiv
ctiv e Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC
ONIC F F
unction of A unction of A ctiv
ctive Dist
e Dist ance Assis
ance Assist DIS t DISTR
TR ONIC
ONIC
Ac tive Distance Assist DISTRONIC maintains the
set speed on free-0owing roads. If vehicles in
front are de tected, the set distance is maintained,
if necessar y,until theve hicle comes toa halt. The
ve hicle accelerates or brakes depending on the
distance totheve hicle in front and the set speed.
The speed and distance totheve hicle in front are
set and sa ved using the steering wheel.
Av ailable speed range:
R V
Vehicles wit
ehicles wit hout Dr
hout Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e:
20 km/h - 200 km/h
R V
Vehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e:
20 km/h - 210 km/h Other
features of Active Distance Assist
DISTRONIC:
R Adjusts the driving style depending on the
selected drive prog ram (fuel-saving, comfor ta-
ble or dynamic)
R Initiates acceleration tothe stored speed if the
turn signal indica tor is switched on tochange
to theove rtaking lane
R V
Vehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e:
- Reacts tostationa ryvehicles de tected in
urban speed ranges (e xcept bicycles and
mo torc yc les)
- Take s one-sided overtaking restrictions
into account on mo torw ays or on multi-
lane roads with separate car riag ewa ys
(countr y-dependent)
V
V ehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age and
e and
P
P ar
ar king P
king P ack
ackag
age:
e: ifth eve hicle has been braked to
a standstill on multi-lane, separate car riag ew ays
by Active Distance Assist DISTRONIC, it can auto-
matical lyfollow theve hicle in front when driving
o. again within 30 seconds. If a critical situation
is de tected when driving o., a visual and acoustic
wa rning is given indicating that the driver must 232 232
Driving and parking