lights MERCEDES-BENZ B-CLASS HATCHBACK 2021 User Guide

If
th e battery is insu1cient lych arge d, the stand-
ing lights or parking lights will be switched o.
automatically tofacilitate the next engine start.
The exterior lighting (e xcept standing and parking
lights) will switch o. automatically when the driv-
er's door is opened.
R Obser vethe no tes on sur round lighting
(/ page 146).
A
A ut
ut omatic dr
omatic dr iving lights function
iving lights function
When theve hicle is switched on, the standing
lights, low beam and daytime running lights are
switched on automatically depending on the light
conditions. &
W
WARNING
ARNING Risk of accident when the
dipped beam is switched o. in poor visi-
bility
When the light switch is set to0058 ,the
dipped beam may not be switched on auto-
matically if there is fog, snow or other causes
of poor visibility such as spr ay.#
In such cases, turn the light switch to
0058 . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting.
Switc Switc hing t
hing t he r
he rear f
ear f og lights on or
og lights on or o.
o.
R
R eq
eq uir
uir ements:
ements:
R The light switch is in the0058 or0058 posi-
tion. #
Press the 005E button.
Please obser vethe count ry-speci/c la wsonthe
use of rear fog lamps.
R
R egulating headlam
egulating headlam p r
p rang
ang e (halog
e (halog en headlam
en headlam ps)
ps)
The headla mprange adjuster all owsyo uto adjust
th e cone of light from the headlamps in relation to
th eve hicle's load condition. 005A
Driver's seat and front passen ger seat occu-
pied
0047 Driver's seat, front passenger seat and rear
seats occupied
0048 Driver's seat, front passen ger seat and rear
seats occupied, load compartment laden
0049 Driver's seat and front passen ger seat occu-
pied and maximum permissible rear axle load
utilised Light and sight
139
139

#
Turn the headlamp range adjuster tothe posi-
tion that cor responds tothe load condition of
yo ur vehicle. Oper
Oper
ating t
ating t he combination switc
he combination switc h f
h for t
or t he lights
he lights 1
High beam
2 Turn signal light, right 3
Headlamp 0ashing
4 Turn signal light, leT #
Use the combination switch toactivate the
desired function.
Switc
Switc hing on high beam
hing on high beam #
Turn the light switch tothe0058 or0058
position. #
Push the combination switch in the direction
of ar row 1.
When the high beam is activated, the indicator
lamp for low beam 0058will be deactivated
and replaced bythe indicator lamp for high
beam 0057.
Switc
Switc hing
hingo.
o.high beam
high beam #
Push the combination switch in the direction
of ar row 1 or pull it in the direction of ar row
3 .
Headlam
Headlam p
p0ashing
0ashing #
Pull the combination switch in the direction of
ar ro w 3. T
T
ur
ur n signal light
n signal light #
T
To indicat
o indicat e
ebr
br ie0y:
ie0y: push the combination
switch brie0y tothe point of resis tance in the
direction of ar row 2 or4.
The cor responding turn signal light will 0ash
th re e times. #
T
To indicat
o indicat e per
e permanentl y:
manent ly:push the combina-
tion switch be yond the point of resistance in
th e direction of ar row 2 or4. 140
140
Light and sight

A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the hazar
he hazar d w
d war
arning lights
ning lights #
Press button 1.
The hazard warning lights will switch on automati-
cally if:
R the airbag has been deplo yed.
R theve hicle is heavily braked from a speed of
more than 70 km/h toa standstill. When
you pull away again, the hazard warning
light system will switch o. automatically at
appr oximately 10 km/h. You can also switch o.
th e hazard warning light system using button 1. A A
dap
dap tiv
tive functions, MUL
e functions, MUL TIBEAM LED
TIBEAM LED Int Int
ellig ellig ent Light Syst
ent Light Syst em function
em function
The MULTIBEAM LED headlamp s adapttothe
driving and weather situation and pr ovide exten-
ded functions for impr oved illumination of the
ro ad.
The system comprises thefo llowing functions:
R Active headlamps (/ page 141)
R Cornering light (/ page 142)
R Motorw ay mode (/ page 142)
R City lighting (/ page 142)
Syst
Syst em limits
em limits
R The system is active only when it is dar k.A
A
ctiv
ctiv e headlam
e headlamps function ps function R
The headlamps follow the steering mo ve-
ments.
R Releva nt areas are better illumina ted during a
journe y.
The functions are active when the high beam is
switched on. Light and sight
141
141

Cor
Cor
ner
nering light function
ing light function The cornering light impr
ovesth e illumination of
th e car riag ewa yove r a wide angle in the turning
direction, enabling better visibility on tight bends,
fo rex ample. It can be activated only when the low
beam is switched on.
The function is active in thefo llowing cases:
R Atspeeds below 40 km/h when the turn sig-
nal light is switched on or the steering wheel
is turned
R Atspeeds between 40 km/h and 70 km/h
and when the steering wheel is turned R
R oundabout and junction function: oundabout and junction function: the cornering
light will be activated on bo thsides based on an
ev aluation of theve hicle's cur rent GPS position. It
will remain active until aTer theve hicle has leT
th ero undabout or the junction.
Mot
Mot orwa
or wa y mode function
y mode function
Mo torw ay mode increases thera nge and bright-
ness of the cone of light, enabling better visibility. The function will be active if a mo
torw ay journey
is de tected bymeans of:
R theve hicle's speed
R the multifunction camera
R the GPS The function is not active in
thefo llowing cases:
R at speeds below 80 km/h
The city lighting function
The city lighting function
City lighting impr oves the illumination of roadsides
in urban areas using a broad distribution of light.
The function is active in thefo llowing cases:
R Atlow speeds
R In illuminated parts of urban areas
Switc Switc hing t hing t he Int
he Int ellig
ellig ent Light Sy
ent Light Sy st
stem
em on/o.
on/o.
R
R eq
eq uir
uir ements:
ements:
R The ignition is switched on.
Multimedia system: 4 © 5
Settings 5
Lights
5 Intelligent Light System #
Switch the function on or o.. 142
142
Light and sight

A
A
dap
dap tiv
tive Highbeam Assist
e Highbeam Assist A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist function t function &
W
W ARNING
ARNING Risk of accident despite Adap-
tive Highbeam Assist
Ad aptive Highbeam Assist does not react to:
R road users without lights, e.g. pedestrians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist may failto recognise other road users
with their own lighting, or may recognise them
to o late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be
activated despite the presence of other road
users. #
Always obser vethero ad and tra1c con-
ditions carefully and switch o. the high
beam in good time. Ad
aptive Highbeam Assist cann ottake into
account road, weather or tra1c conditions.
De tection may be restric ted in thefo llowing
cases:
R In poor visibility, e.g. fog, heavy rain or snow
R Ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist is only an aid. You are
re sponsible for adjusting theve hicle's lighting to
th e pr evailing light, visibility and tra1c conditions. Ad
aptive Highbeam Assist automatically switches
between thefo llowing types of light:
R Low beam
R High beam
At speeds greater than 30 km/h:
R If no other road users are de tected, the high
beam will switch on automaticall y. Light and sight
143 143

The high beam will switch o. automatically in
the
fo llowing cases:
R Atspeeds below 25 km/h
R Ifot her road users are de tected
R If st reet lighting is su1cient
% The system's optical sensor is located behind
th e windscreen near theove rhead control
panel.
Switc
Switc hing A
hing A dap
daptiv
tive Highbeam Assis
e Highbeam Assist ton/o.
on/o.
Switc
Switc hing on
hing on #
Turn the light switch tothe0058 position. #
Switch on the high beam using the combina-
tion switch.
If Ad aptive Highbeam Assist is activated,
th e00CE indicator lamp will light up on the
cent ral display section of the inst rument dis-
pla y.
Switc Switc hing
hingo.
o. #
Switch o. the high beam using the combina-
tion switch. A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus function t Plus function &
W
WARNING
ARNING Risk of accident despite Adap-
tive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not react
to:
R road users without lights, e.g. pedestrians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist Plus may failto recognise other road
users with their own lighting, or may recognise
th em too late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be
activated despite the presence of other road
users. #
Always obser vethero ad and tra1c con-
ditions carefully and switch o. the high
beam in good time. Ad
aptive Highbeam Assist Plus cann ottake into
account road, weather or tra1c conditions.
De tection may be restric ted in thefo llowing
cases:
R in poor visibility, e.g. fog, heavy rain or snow
R ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist Plus is only an aid. Yo u
are responsible for adjusting theve hicle's lighting
to the pr evailing light, visibility and tra1c condi-
tions. 144 144
Light and sight

Ad
aptive Highbeam Assist Plus automatically
switches between thefo llowing types of light:
R Low beam
R Partial high beam
R High beam
Pa rtial high beam uses the high beam toshine
past other road users rather than dazzling them. The
vehicle in front will be illuminated bythe low
beam.
At speeds greater than 30 km/h:
R If no other road users are de tected, the high
beam will switch on automaticall y.
R Ifot her road users are de tected, the partial
high beam will switch on automaticall y.
At speeds below 25 km/h or when there is su1-
cient street lighting:
R The high beam will switch o. automaticall y.
R The partial high beam will switch o. automati-
cally.
% The system's optical sensor is located behind
th e windscreen near theove rhead control
panel.
Switc
Switc hing A hing A dap
daptiv
tive Highbeam Assis
e Highbeam Assist Plus t Pluson/o.
on/o.
Switc
Switc hing on
hing on #
Turn the light switch tothe0058 position. #
Switch on the high beam using the combina-
tion switch.
When the high beam is switched on automati-
cally in the dar k, the00CE indicator lamp will
light up on the central display section of the
inst rument displa y.
Switc
Switc hing hingo.
o. #
Switch o. the high beam using the combina-
tion switch. Se
Se
tting t
tting t he e
he ext
xter
er ior lighting
ior lighting switc
switch-o.
h-o. dela
dela y time
y time R
R
eq
eq uir
uir ements:
ements:
R The light switch is in the0058 position.
Multimedia system: 4 © 5
Settings 5
Lights
5 Ext. light. del. sw. off #
Set the swit ch-o. delay time.
When theve hicle engine is switched o., the
ex terior lighting will be activated forth e set
time. Light and sight
145
145

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
003D Front leT reading lamp
2 0033 Automatic interior lighting control
3 004A Front interior lighting
4 0042 Rear interior lighting
5 003D 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
003D 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. 146
146
Light and sight

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
147 147

#
Neverto uch damaged components of
th e high-voltage on-board electrical sys-
te m. #
ATer an accident, do not touch any com-
ponents of the high-voltage on-board
electrical system. #
ATer an accident, ha vetheve hicle trans-
por tedawa y. #
Have the components of the high-voltage
on-board electrical system checked at a
qu ali/ed specialist workshop and
re placed if necessar y.R
R
eq
eq uir
uir ements:
ements:
Only disconnect the high-voltage on-board electri-
cal system manually in thefo llowing situations:
R The 0075 restraint system warning lamp lights
up in the Instrument Displa y,e.g. aTer an
accident.
R The vehicle is badly damaged, e.g. aTer an
accident, and there straint system co mpo-
nents ha venot been triggered. T
T
o oper
o oper at
ate t
e t he high-v
he high-v olt
oltag
age disconnect de
e disconnect de vice
vice #
Switch o. theve hicle. #
ShiT the transmission toposition 005D. #
Apply the electric parking brake. #
Secure theve hicle against rolling away (see
th eve hicle Owner's Manual). #
Open the bonnet. #
Press release tab1 inthe direction of the
ar ro w and pull it out. #
Pull high- voltage disconnect device 2inthe
direction of the ar row until it engages.
The high- voltage on-board electrical system is
switched o..
All workon thehy brid drive system (including
aTer disconnecting the high-voltage on-board
electrical system manually) may only be car ried
out byaqu ali/ed specialist workshop. Switc
Switc
hing on t
hing on t he pow
he power suppl
er suppl y or t
y or the v
he vehicle
ehicle &
W
WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c. 168
168
Driving and parking