MERCEDES-BENZ A-CLASS SALOON 2021 Owners Manual
Page 141 of 525
Switc
Switc
hing t
hing t he surr
he surr ound lighting
ound lighting on/o.
on/o. Multimedia system:
4 © 5
Settings 5
Lights
5 Surround lighting
When Surround lighting is active,theex terior
lighting lights up for 40 seconds aTer theve hicle
is unloc ked. When you start theve hicle, the sur-
ro und lighting is deactivated and the automatic
driving lights are activated. #
Activate or deactivate the function. Int
Int
er
er ior lighting
ior lighting A
A
djus
djus ting t
ting t he int
he int er
erior lighting
ior lighting F
F
r
ront ov
ont overerhead contr
head contr ol panel
ol panel 1
p Front leT reading lamp
2 | Automatic interior lighting control
3 c Front interior lighting
4 u Rear interior lighting
5 p Front right reading lamp #
T
T o switc
o switc h
hon/o.:
on/o.: press but ton1 –5
accordingl y. Contr
Contr
ol panel in t
ol panel in t hegr
he grab handle
ab handle 1
p Rear reading lamp #
T
To switc
o switc h
hon/o.:
on/o.: press but ton1. A
A
djus
djusting t ting t he ambient lighting
he ambient lighting Multimedia system:
4 © 5
Comfort 5
Ambient lighting
Se
Se tting t
tting t he colour
he colour #
Select Colour. #
Set the desired colour. 138
138
Light and sight
Page 142 of 525
A
A
djus
djus ting t
ting t he br
he br ightness
ightness #
Select Brightness. #
Adjust the brightness.
A
A ctiv
ctiv ating t
ating t he br
he brightness f
ightness f or zones
or zones #
Select Brightness. #
Select Brightness zones. #
Switch the function on or o..
or #
Set the brightness forth e desired zones.
A
A ctiv
ctiv ating multi-colour
ating multi-colour ed lighting
ed lighting #
Select Colour. #
Select Multi-colour. #
Select a colour combination.
A
A ctiv
ctiv ating multi-colour
ating multi-colour ed animation
ed animation #
Select Colour. #
Select Multi-colour animat..
The chosen colour combination will change at
prede/ned inter vals. A
A ctiv
ctiv ating w
ating w elcome lighting
elcome lighting #
Select Colour. #
Select Welcome.
When theve hicle is unloc ked, a special ambi-
ent lighting sequence will run.
A
A ctiv
ctiv ating dependency on air conditioning se
ating dependency on air conditioning se t-
t-
tings
tings #
Select Colour. #
Select Climate .
If ch anges are made tothete mp erature set-
ting in theve hicle, the colour of the ambient
lighting will change brie0y. Switc
Switc
hing t
hing t he int
he inter
erior lighting
ior lighting switc
switch-o.
h-o. delay
delay
time
time on/o.
on/o. Multimedia system:
4 © 5
Settings 5
Lights
5 Int. light. del. sw. off #
Switch the swit ch-o. delay time on or o..
When this function is active, the interior light-
ing lights up for a short time aTer theve hicle
is loc ked. Changing bulbs (onl
Changing bulbs (onl
y f
y for v
or v ehicles wit
ehicles wit h halog
h halogen
en
headlam
headlam ps)
ps) N
No
ot
tes on c
es on c hanging bulbs
hanging bulbs &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts whilst replacing a bulb
Bulbs, lamps and plugs can become very hot
during operation.
When replacing a bulb, you could burn your-
self on these component parts. #
Allow the component parts tocool down
before replacing the bulb. R
Do not use a bulb if it has been dropped or if
its glass has been scratched. The bulb may
otherwise explode.
R Do not touch the glass bulb with your bare
hands.
R Protect bulbs from moisture and do not allow
bulbs tocome into contact with liquids. Light and sight
139 139
Page 143 of 525
Ov
Ov
er
ervie
vie w of t
w of t he bulbs t
he bulbs t o be c
o be c hang
hanged
ed Halog Halog
en headlam en headlam ps
ps 1
High beam: H7 55 W bulb
2 Low beam: H7 55 W bulb T
T
ail lam
ail lam ps
ps 1
Turn signal light: PY 21 W bulb
2 Reversing light: W 16 W bulb Changing t
Changing t
he fr
he front bulbs (v
ont bulbs (v ehicles wit
ehicles with halog
h halogen
en
headlam
headlam ps)
ps) F
F
itting/r
itting/r emo
emoving t
ving t he cov
he cov er in t
er in the fr
he front wheel ar ch
ont wheel ar ch
R
R eq
eq uir
uir ements:
ements:
R The lighting system is switched o..
R The appropriate front wheel is turned in wards. 140
140
Light and sight
Page 144 of 525
#
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 140). #
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 140). 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
141
141
Page 145 of 525
4
° Continuous wiping, slow
5 ¯ Continuous wiping, fast #
Turn the combination switch tothe cor re-
sponding position 1-5. #
Single wipe/w
Single wipe/w ashing:
ashing:pushthe button on the
combination switch in the direction of ar row
1 .
R í Single wipe
R î Wiping with washer 0uid
% Obser vethe no tes on washing theve hicle in a
car wash (/ page 331). R
R
eplacing t
eplacing t he windscr
he windscr een wiper blades
een wiper blades &
W
WARNING
ARNING Risk of becoming trapped if the
windscreen wipers are switched on while
wiper blades are being replaced
If th e windscreen wipers begin tomo vewhile
yo u are changing the wiper blades, you can be
trapped bythe wiper arm. #
Always switch o. the windscreen wipers
and vehicle before changing the wiper
blades. Mo
Mo
ving t
ving t he wiper ar
he wiper ar ms int
ms into t
o the r
he r eplacement posi-
eplacement posi-
tion
tion #
Switch theve hicle on and then o. again
immediatel y. #
Within around 15 seconds, press and hold the
î button on the combination switch for
appr oximately thre e seconds (/ page 141).
The wiper arms will mo veinto there placement
position.
R R emo emo ving t
ving t he wiper blades
he wiper blades #
Foldthe wiper arms away from the wind-
screen. #
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade away from
th e wiper arm in the direction of ar row 1 as
fa r as it will go. #
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. #
Remo vethe wiper blade from the wiper arm in
th e direction of ar row 4. 142
142
Light and sight
Page 146 of 525
F
F
itting t
itting t he wiper blades
he wiper blades #
Insert the new wiper blade into the wiper arm
in the direction of ar row 1. #
Slide catch 2inthe direction of ar row 3
until it engages in the locking position. #
Make sure that the wiper blade is seated cor-
re ctl y. #
Foldthe wiper arms back onto the wind-
screen. #
Switch on theve hicle. #
Press theî button on the combination
switch (/ page 141).
The wiper arms will return totheir original
positions. #
Switch o. theve hicle.
% Check the condition of the wiper blades regu-
lar lyand replace them in theev ent of visible
damage or ongoing smearing. Maint
Maint
enance display
enance display #
Remo veprotective /lm 1from the mainte-
nance displa yson the tips of the ne wly/tted
wiper blades.
When the colour of the maintenance displa ys
ch anges from black toyello w, replace the wiper
blades. Light and sight
143
143
Page 147 of 525
%
The duration until the colour changes varies
depending on the usage conditions. Mirr
Mirr
ors
ors Oper
Oper
ating t
ating t he outside mirr
he outside mirr ors
ors&
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 accident due tomis-
judgement of distance when using the
outside mir ror
The outside mir rors re0ect objects on a
smaller scale. The objects in vi eware in fact
closer than they appear. #
Therefore, alw ays look overyo ur shoul-
der in order toensure that you are aware
of the actual distance between you and
th ero ad users driving behind you. #
T To f o f old in or out:
old in or out: brie0y press button 2. #
T To set:
o set: press button 1or3 toselect the
outside mir rorto be adjus ted. #
Use button 4toadjust the position of the
mir ror glass. 144 144
Light and sight
Page 148 of 525
%
Ifth e battery has been disconnected or com-
ple tely dischar ged, you will ha vetoreset the
outside mir rors. Only then will the automatic
mir rorfo lding function workproper ly. #
T
To r
o r eset:
eset: brie0y press button 2.
An outside mir rorth at has been pushed out of
position can be engaged in position again as fol-
lo ws: #
V
Vehicles wit
ehicles wit hout electr
hout electr icall
ically f
y folding outside
olding outside
mirr
mirr or
ors:
s: manually mo vethe outside mir ror into
th e cor rect position. #
V
Vehicles wit
ehicles wit h electr
h electricall
ically f
y folding outside mir-
olding outside mir-
r
r ors
ors: press and hold button 2.
Yo u will hear a click and the mir ror will audibly
click into place. The outside mir ror will now be
set tothe cor rect position. A
A
ut
ut omatic anti-dazzle mirr
omatic anti-dazzle mirr or
ors function
s function &
W
WARNING
ARNING Risk of acid burns and poison-
ing due tothe anti-dazzle mir ror electro-
ly te
Electrolyte may escape if the glass in an auto-
matic anti-dazzle mir ror breaks.
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. Light and sight
145
145
Page 149 of 525
The front-passenger outside mir
ror will 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 146).
R the front-passenger mir ror is selected.
R reve rsege ar is engaged.
The front-passenger outside mir ror will 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. S
S
t
tor
or ing t
ing t he par
he par king position of t
king position of t he fr
he front-
ont-
passeng
passeng er outside mirr
er outside mirr or usingrev
or using rever
erse g
se g ear
ear S S
t tor
or ing
ing #
Press button 1toselect the front-passenger
outside mir ror. #
Engage reve rsege ar. #
Movethe front-passenger outside mir ror into
th e desired parking position using button 2.Calling up
Calling up #
Press button 1toselect the front-passenger
outside mir ror. #
Engage reve rsege ar.
The front-passenger outside mir ror will mo ve
into the stored parking position. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the aut
he automatic mirr
omatic mirr or f
or f old-
old-
ing function
ing function Multimedia system:
4 © 5
Settings 5
Vehicle #
Switch Automatic fold-in on or o..146
146
Light and sight
Page 150 of 525
Ov
Ov
er
ervie
vie w of climat
w of climat e contr
e control syst
ol systems
ems N
No
ot
tes on climat
es on climat e contr
e control
ol In order
forth e air conditioning system, monitor-
ing of the pollution le vel and air /lt ration tofunc-
tion co rrectl y,an interior air /lter must alw ays be
used. Make sure that the /lter is installed cor-
re ctl y.Use /lters recommended and appr oved by
Mercedes-Benz. Alw ays ha vemaintenance work
car ried out at a quali/ed specialist workshop. Ov
Ov
er
ervie
vie w of t
w of t he air conditioning contr
he air conditioning contr ol panel
ol panel The indicator lamps on
the buttons indicate that
th e cor responding function is activated. THERM
ATIC air conditioning cont rol panel with sta-
tionary heater (e xample)
1 q Setsthete mp erature on the driver's
side
2 Vehicles with THERM ATIC or THERM OTRO NIC
operating unit with stationary heater: A
calls up the air conditioning menu
Ve hicles with THERM OTRO NIC operating unit
without stationary heater: _setsthe air
distribution
3 H Setsthe air0ow or switches o. climate
control
4 Ã Sets climate control toautomatic mode
(/ page 148) 5
¬ Demists the windscreen
6 ¤ Switches there ar wind owheater on/o.
7 g Switches air-recirculation mode on/o.
(/ page 149)
8 Vehicles with THERM ATIC operating unit
(with/wi thout stationary heater):
¿ switches A/C function on/o.
(/ page 148)
Ve hicles with THERM OTRO NIC operating unit
(with/wi thout stationary heater): Á
switches A/C function on/o. (/ page 148)
Switches residual heat on/o. (/ page 149)
9 Vehicles with THERM ATIC or THERM OTRO NIC
control panel with stationary heater: &
swit ches stationary heater on/o.
(/ page 153)
Ve hicles with THERM OTRO NIC operating unit
without stationary heater: 0switches syn-
ch ronisation on/o. (/ page 149)
Plug-in hybrid with THERMATIC or
THERMOTRONIC operating unit: &
switches "Immediate pre-ent ryclimate con-
trol" on/o. (/ page 152) Climate cont
rol
147
147