wipers MERCEDES-BENZ B-CLASS HATCHBACK 2021 Owners Manual

Changing bulbs (only
forve hicles with hal-
ogen headlamps) ......................................... 147
Wi ndsc reen wipers and windscreen
wa sher system ............................................ 149
Mir rors ........................................................ 153 Climat
Climat
e contr
e control ol........................................... 157 157
Overview of climate control systems ............ 157
Operating the climate control system .......... 158 Dr
Dr
iving and par
iving and par king
king..................................... 166 166
Driving ........................................................1 66
DY NAMIC SELECT switch ........................... .182
Manual transmission ................................... 185
Au tomatic transmission .............................. .187
Fu nction of the 4MATIC ...............................1 91
Re fuelling .................................................... 191
Charging the high-voltage battery (plug-in
hy brid) ........................................................ 198
Pa rking .......................................................2 15
Driving and driving saf ety sy stems ............... 223
Tr ailer hitch ................................................ .273
Bicycle rack function ................................... 277
Ve hicle towing instructions .......................... 279 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 280 280
No tes on the inst rument display and on-
board computer .......................................... 280
Overview of instrument display .................... 281
Overview of buttons on the steering wheel ... 282
Operating the on-board computer ................2 82
Fu nction of the po wer me ter (plug-in
hy brid) ........................................................ 284
Fu nction of the electric mo tor po wer
av ailability displ ay(plug-in hybrid) ................ 284
Displaying the po wer me ter (plug-in
hy brid) ........................................................ 285
Overview of displa ysinthe inst rument
display ........................................................ 285
Head-up display .......................................... 285 MBUX multimedia syst MBUX multimedia syst
em
em........................... .288
288
Overview and operation ............................... 288
System settings .......................................... 297
Plug-in hybrid settings ................................ .301
Na vigation .................................................. .302
Te lephone ................................................... 311
Mercedes me app ....................................... 314 Mercedes-Benz emer
gency call system ....... 323
Ra dio & media ............................................ .330
Sound settings ............................................ 335 Maint Maint
enance and car
enance and car e
e................................. 336 336
ASS YST PLUS service inter val display .......... 336
Engine compartment ................................... 337
Cleaning and care ....................................... 343 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 352 352
Emer gency .................................................. 352
Flat tyre ...................................................... 354
Battery (vehicle) .......................................... 361
To w- starting or towing away ........................ 365
Electrical fuses ............................................ 371 Wheels and tyr Wheels and tyr
es
es......................................... 374 374
No tes on noise or unusual handling char-
acteristics ................................................... 374
No tes on regula rly inspecting wheels and
tyres .......................................................... .374
No tes on snow chains ................................. 374
Ty re pressure .............................................. 375 Contents
3 3

#
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 148). #
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 148). 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. 0047
005AWindsc reen wipers o.
0048 0062 Automatic wiping, normal
0049 0063 Automatic wiping, frequent Light and sight
149
149

004A
00AA Continuous wiping, slow
004B 00A9 Continuous wiping, fast #
Turn the combination switch tothe cor re-
sponding position 0047-004B. #
Single wipe/w
Single wipe/w ashing:
ashing:pushthe button on the
combination switch in the direction of ar row
1 .
R 00D3 Single wipe
R 00D4 Wiping with washer 0uid
% Obser vethe no tes on washing theve hicle in a
car wash (/ page 343). Switc
Switc
hing t
hing t he r
he rear windo
ear windo w wiper
w wiperon/o.
on/o. 1
00E2 Single wipe/ washing
2 00C5 Intermittent wiping #
Single wipe:
Single wipe: press button 1tothe point of
re sis tance. #
W
W iping wit
iping wit h w
h washer
asher 0uid:
0uid:press button 1
be yond the point of resis tance. #
Switc
Switc hing int
hing int er
ermitt
mitt ent wiping
ent wiping on/o.:
on/o.:press
button 2.
The 00C5 symbol will appear on the inst ru-
ment cluster when there ar wind owwiper is
switched on. 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. 150
150
Light and sight

#
Foldthe wiper arms back onto the wind-
screen. #
Switch on theve hicle. #
Press the00D4 button on the combination
switch (/ page 149).
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. %
The duration until the colour changes varies
depending on the usage conditions. R
R
eplacing t
eplacing t he r
he rear windo
ear windo w wiper blade
w wiper blade &
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. R R
emo emo ving t
ving t he wiper blade
he wiper blade #
Switch theve hicle o.. 152
152
Light and sight

Se
Se
tting t
tting t he air dis
he air distr tribution
ibution Multimedia system:
4 Climate menu #
Call up the air conditioning menu
(/ page 158). #
Select a row of seats. #
T
To se
o se t t
t the air dis
he air dis tr
tribution:
ibution: select0061,009C
or 009B. #
Set the air0o w.
% Several air distribution options can be selec-
te d at the same time, forex ample toset the
climate cont rolfo rth e windscreen and the
fo ot we lls simultaneousl y.
The 0061 climatecont rolfo rth e windscreen
can only be selected forth e /rst seat row. Switc
Switc
hing t
hing t he sync
he sync hr
hronisation functiononisation function on/o.
on/o. via
via
t
t he air conditioning contr
he air conditioning contr ol panel
ol panelClimate control can be set centrally using
the syn-
ch ronisation function. The temp erature and air
distribution settings forth e driver's side will be adop
ted automatically forth e front passenger
side. #
Press the0 button.
The synchronisation function will be deactivated if
th e settings for one of theot her climate zones are
ch anged. Switc
Switc
hing t
hing t he sync
he sync hr
hronisation function
onisation function on/o.
on/o.via
via
t
t he multimedia syst
he multimedia syst em
em Multimedia system:
4 Climate menu 5
First row of seats
Climate cont rol can be set centrally using the syn-
ch ronisation function. The driver's settings for
te mp erature, air quantity and air distribution are
adop ted automatically for all climate zones. #
Select SYNCand switch on or o.. Demis
Demisting t
ting the windo ws
he wind ows W
W
indow
indow s mist
s mist ed up on t
ed up on t he inside
he inside #
Press the0058 button. #
Ifth e windo wscontinue tomist up: press the
0064 button.
W
W indow
indow s mist
s mist ed up on t
ed up on t he outside
he outside #
Switch on the windscreen wipers. #
Press the0058 button. Switc
Switc
hing air
hing air -r
-r ecir
ecir culation mode
culation mode on/o.
on/o. #
Press the0072 button.
The interior air will be recirculated.
Air-recirculation mode automatical lyswitches to
fresh air mode aTer a while.
% If air-re circulation mode is switched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc Switc
hing r
hing r esidual heat
esidual heat on/o.
on/o. R
R
eq
eq uir
uir ements:
ements:
R theve hicle is par ked.
% Only vehicles with a diesel engine can use
re sidual heat. Climate cont
rol
159
159

R
Electric lines tothe ignition coils and the fuel
injectors &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
W ARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and theve hicle /r stifyo u need toopen
th e bonnet. Opening t
Opening t
he bonnet
he bonnet #
Torelease the bonnet, pull on handle 1. #
Push yellow handle 1onthe bonnet catch to
th e leT as far as it will go (palm down wards).
LiT the bonnet until it is automatically raised
by the pneumatic spring.
Closing t
Closing t he bonnet
he bonnet #
Lowe rth e bonnet and let it drop from a height
of appr oximately 20 cm. Maintenance and care
339
339

%
Have workor repairs todecorative foils car-
ri ed out at a quali/ed specialist workshop,
e.g. in a Mercedes-Benz Se rvice Centre. N
No
ot
tes on car
es on car e of car par
e of car par ts
ts &
W
WARNING
ARNING Risk of entrapment if the wind-
screen wipers are switched on while the
windscreen is being cleaned
If th e windscreen wipers are set in motion
while you are cleaning the windscreen or
wiper blades, you can be trapped bythe wiper
arm. #
Always switch o. the windscreen wipers
and theve hicle before cleaning the wind-
screen or wiper blades. &
W
WARNING
ARNING Risk of burns from theta ilpipe
and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could burn
yo urself. #
Always be particular lycareful around the
ta ilpipe and theta ilpipe trims and super-
vise children especially closely in this
area. #
Allow vehicle parts tocool down before
to uching them. To
avo id damage totheve hicle, obser vethe no tes
on cleaning and care of thefo llowing vehicle
parts:
Wheels and r Wheels and r ims
ims
R Use water and acid-free alloy wheel cleaners.
R Do not use acidic alloy wheel cleaners to
re mo vebrake dust. This could damage wheel
bolts and brake components.
R Toavo id cor rosion of the brake disks and
brakepads, drive theve hicle for a few minu tes
aTer cleaning before parking it. The brake
disks and brakepads warm up and dry out.
W W indo ws
indo ws
R Clean the windo wsinside and outside with a
damp clo thand with a cleaning agent recom-
mended for Mercedes-Benz. R
Do not use dry clo ths or abrasive or sol vent-
based cleaning agents toclean the inside of
windo ws.
% ATer changing the wiper blades or treating
th eve hicle with wax, clean the windscreen
th oroughly with cleaning agents recommen-
ded for Mercedes-Benz. Failure toobser vethe
application instructions may result in damage,
smear mar ksor dazzling spots.
% Remo veextern al fogging or dirt on the wind-
screen in front of the multifunction camera.
Otherwise, driving systems and driving saf ety
systems may be impaired or not available
(/ page 223).
W
W iper blades iper blades
R Movethe wiper arms into there placement
position (/ page 150).
R With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
% Make sure that the wiper blades are coated.
The coating can lea veresidues on a clo th. Do
not rubth e wiper blades excessively or clean
th em too oTen. 348
348
Maintenance and care

R
Fuse box in the front passenger foot we ll
(/ page 372)
R Fuse box in the centre of the load compart-
ment (/ page 373) Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the engine
he engine
com
com par
partment
tment R
R
eq
eq uir
uir ements:
ements:
R A dry clo thand a scr ewdriver are available.
Obser vethe no tes on elect rical fuses
(/ page 371).
Opening
Opening &
W
WARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and vehicle before opening the engine
bonnet. #
Open the bonnet. #
Remo veany existing moisture from the fuse
box using a dry clo th. #
Loosen scr ews1. #
Press clamps 2and liT the fuse box lid up
and out. The fuse assignment diag
ram is in a recess on the
side of the fuse box.
Closing Closing #
Check whe ther the seal is positioned cor rectly
in the lid. #
Place the lid on the fuse box. #
Make sure that clamps 2engage. #
Tighten scre ws1. #
Close the bonnet. Opening and closing t Opening and closing t
he fuse bo
he fuse box in t
x in the fr
he front
ont
passeng
passeng er f
er foo
ootw
twell
ell Obser
vethe no tes on elect rical fuses
(/ page 371). 372
372
Breakdown assistance

No
tes..................................................... 295
Selecting pro/le options........................ .296
Pr
Pr ogr
ogr amme
amme
see DYNAMIC SELECT
Pr ot
Pr otection of t
ection of t he en
he envir
vironment
onment
No tes...................................................... .24
Ta ke -back of end-of-life vehicles............... 24 Q
Q
QR code
QR code Rescue car d............................................ .41
Quali/ed
Quali/ed specialis
specialist wt work
ork shop
shop .........................39 R
R
R
R adar and ultr
adar and ultr asonic senso rs
asonic senso rs
Damage................................................. 223
R
R adio
adio
Overview of the functions and symbols.. .332
R
R ain closing function
ain closing function
Side windo ws........................................... 96
R
R ain-closing f
ain-closing f eature
eature
Sliding sunroof....................................... 101
REAC
REAC H r
H regulation
egulation........................................... 40 R
R
eading lamp
eading lamp
see Interior lighting
R
R eading light
eading light
Switching on/o. (contactless). .............. 294
R
R eal w
eal w ood (Car
ood (Car e)
e).......................................... 349
R
R ear door (c
ear door (c hild safe
hild safety loc
ty lock)
k)........................... 78
R
R ear f
ear f og light
og light
Switching on/o..................................... 139
R
R ear seat
ear seat
see Seat
R
R ear seat belt
ear seat belt
Status displ ay.......................................... 52
R
R ear seat belt st
ear seat belt st atus display
atus display ........................... 52
R
R ear window
ear window
Replacing wiper blade............................ 152
R
R ear windo
ear windo w heat
w heater
er ...................................... 157
R
R ear windo
ear windo w wipers
w wipers
Ac tivating/deactivating.......................... 150
R
R ear
ear -vie
-vie w mirr
w mirr or
or
Anti-dazzle mode (automatic)................. 154
R
R ear
ear -vie
-vie w mirr
w mirr or
or
see Outside mir rors R
R
ecuper
ecuper ation
ation
Fu nction................................................ 178
Setting.................................................. .179
R
R ecy
ecy cling
cling
see Take -back of end-of-life vehicles
R
R educing ag
educing ag ent
ent
see AdBlue ®
R
R efuelling
efuelling
Refuelling theve hicle............................ .191
R
R egistr
egistr ation
ation
Ve hicle..................................................... 40
R
R egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation
Indonesia............................................... 394
Small components................................. 394
R
R emot
emot e Online
e Online
Charging the star ter batter y................... 171
Cooling/heating theve hicle interior...... .171
St arting theve hicle............................... .171
R
R eplacing a bulb
eplacing a bulb
see Changing bulbs
R
R escue card
escue card ................................................... 41
R R eser ve
eser ve
Fu el....................................................... 400 520 520
Index

W
W
indo ws
indo ws
see Side wind ows
W
W indscr
indscr een
een
Demisting.............................................. 157
Re placing the wiper blades.....................1 50
W
W indscr
indscr een
een
see Windsc reen
windscr
windscr een w
een washer
asher 0uid
0uid
No tes..................................................... 404
W
W indscr
indscr een w
een washer syst
asher syst em
em
To pping up............................................ .342
W
W indscr
indscr een wipers
een wipers
Ac tivating/deactivating.......................... 149
Re placing the wiper blades.....................1 50
W
W ing
ing
see Front wheel ar ch
W
W int
int er oper
er oper ation
ation
Snow chains.......................................... 374
W
W int
int er tyr
er tyr es
es
Setting the permanent speed limit..........2 35
W
W iper blades
iper blades
Care...................................................... 348
Re placing (windscreen).......................... 150 W W
ir
ireless c
eless c har
harging
ging
Fu nction/no tes...................................... 134
Mobile phone......................................... 135
W
W ir
ireless com
eless com ponents
ponents
Impor ter addresses.................................. 36
W
W ir
ir eless v
eless v ehicle com
ehicle com ponents
ponents
Declaration of conformity......................... 29
Speci/c absor ption rate........................... 29
W W ork
ork shop
shop
see Quali/ed specialist workshop 530
530
Index