2021 MERCEDES-BENZ B-CLASS HATCHBACK warning

Thank y
Thank y
ou f
ou for buying Mer
or buying Mer cedes-Benz
cedes-Benz
Before you /r stdrive o., read this operator's
manual carefully and familiarise yourself with your
ve hicle. Foryo ur ow n sa fety and a longer operat-
ing lifespan of theve hicle, follow the inst ructions
and warning notices in this operator's manual.
Disregarding them may lead todamage tothe
ve hicle or injury topeople.
The standard equipment and product description
of your vehicle may vary and depends on thefo l-
lowing factors:
R Model
R Order
R National version
R Availability
Yo ur vehicle may therefore di.er, in individual
cases, from that shown in the descriptions and
illust rations.
The illustrations in this operator's manual show a
leT-hand drive vehicle. On right-hand-d rive ve hi-
cles, the la yout of car parts and control elements
di.ers accordingl y. Mercedes-Benz is constantly de
veloping its vehi-
cles fu rther.
Mercedes-Benz therefore reser vesth eright to
introduce changes in thefo llowing areas:
R Design
R Equipment
R Tech nical features
The following documents are integ ral parts of the
ve hicle:
R Digital operator's manual
R Printed operator's manual
R Service booklet
R Equipment-dependent supplements
R Supplementary documents
Ke ep these documents in theve hicle at all times.
Ensu rethat all documents are in theve hicle or
passed on in theeve nt of sale or rental.
2475844710Z102
2475844710Z102

Symbols
Symbols
.......................................................... 5 5A
A
t a glance
t a glance ...................................................... 6 6
Co ckpit ........................................................... 6
Cockpit (Plug-in-Hybrid) ................................ .10
Indicator and warning lamps (standard) ......... 12
Indicator and warning lamps (widescreen
cockpit) ........................................................ 14
Overhead control panel ................................. 16
Door operating unit and seat adjustment .......18
Emer gencies and breakdowns ....................... 20 Digit Digit
al Owner's Manual
al Owner's Manual ................................. 22 22
Calling up the Digital Owner's Manual ............ 22 Gener
Gener
al not
al notes
es............................................... 24 24
Pr otection of the environment ....................... 24
Ta ke -back of end-of-life vehicles .................... 24
Mercedes-Benz Genuine Parts ........................ 25
Owner's Manual ............................................ 26
Mercedes me App ......................................... 26
Operating saf ety ............................................ 27 Declarations of con
form ity and no tes on
driving in di.erent countries .......................... 29
Diagnostics connection ................................. 38
Quali/ed specialist workshop ........................ 39
Ve hicle registration ....................................... 40
Cor rect use of theve hicle ............................. 40
Information on the REACH regulation ............. 40
No tesfo r persons with electronic medical
aids .............................................................. 40
Implied warranty .......................................... .41
QR code forre scue card .............................. .41
Data storage .................................................42
Copyright ...................................................... 45 Occupant safe Occupant safe
ty
ty ............................................ 46 46
Re straint system .......................................... .46
Seat belts .................................................... .48
Airbags ......................................................... 52
PRE-SAFE ®
system ........................................ 59
Au tomatic measures aTer an accident ........... 60
Safely transporting children in theve hicle ...... 61
No tes on pets in theve hicle .......................... 80 Opening and closing
Opening and closing
...................................... 81 81
Ke y .............................................................. .81
Doors ............................................................ 84
Load compartment ........................................ 89
Side windo ws................................................ 95
Sliding sunroof .............................................. 98
Anti-theT pr otection ....................................1 02 Seats and sto Seats and sto
wing
wing....................................... 105 105
No tes on the cor rect driver's seat position .. 105
Seats ......................................................... .106
St eering wheel ............................................ 114
Easy entry and exitfeature .......................... 116
Memory function ......................................... 117
St ow age areas ............................................ 118
Soc kets ....................................................... 133
Wi reless charging of the mobile phone
and connection with theex terior aerial ........ 134
Fi tting/removing the 0oor mats ................... 136 Light and sight Light and sight
............................................ 138 138
Exterior lighting ........................................... 138
Interior lighting ............................................ 146 2
2
Contents

1
Steering wheel gearshiT paddles →
189
2 Combination switch →
140
3 Instrument displ ay →
281
4 DIRECT SELECT le ver →
187
5 ü Start/stop but ton →
169
00D6 ECO start/s top function →
177
6 Media display →
288
7 Climate control systems →
158
8 002F Hazard warning light system →
141
9 PASSENGER AIR BAG indicator la mps→
57
A Glovecompartment →
121
B Stow age compartment →
121
C Cup holder
D 0063 Controller forvo lume and switching
sound on/o. →
288
00D0 Switches the MBUX multimedia system
on/o. →
288 E
z Calls up navigation →
290
F | Calls up radio or media →
290
G 002B Calls up thete lephone →
290
H ß Calls up favo urites →
290
I y Calls up vehicle functions →
290
J c Active Parking Assist →
269
K DYNAMIC SELECT switch →
183
L Touchpad →
290
M Control panel forth e MBUX multimedia system →
282
N Adjusts the steering wheel →
114
O ý Switches the steering wheel heater
on/o. →
115
P Control panel:
On-board computer →
282
Cruise control or variable limi ter →
233
I Active Distance Assist DISTRONIC →
237
Q Diagnostics connection →
38 At
a glance – Cockpit
7
7

Instrument displ
ay(standa rd) 12
12
At
a glance – Indicator and warning lamps (standard)

1
0025 ABS →
491
2 003E003D Turn signal lights →
140
3 0077 Tyre pressure monitoring system →
493
4 003D Electrical fault →
484
5 L Distance warning →
490
6 004D Brakes (yellow) →
488
7 004D Brakes (red) →
488
8 0024 Electric parking brake (yellow) →
488
9 0024 Electric parking brake (red) →
488
A 00B9 Engine diagnostics →
484
B 0028 Diesel engine: preglow
C 005A Indicator lamp inoperative
D 005E Rear fog light →
139 E
0057 High beam →
140
0058 Low beam →
138
0060 Standing lights →
138
F 00BB ESP®
OFF →
491
00E5 ESP®
→
491
G 0075 Restraint system →
480
H Fuel le vel →
281
I 00D4 Reser vefuel wi thfuel /ller 0ap location
indicator →
484
J Ù Powe r steering →
483
K 00E9 Seat belt →
480
L ï Trailer hitch →
483 At
a glance – Indicator and warning lamps (standard)
13
13

Wi
descreen cockpit instrument display 14
14
At
a glance – Indicator and warning lamps (widescreen cockpit)

1
003E003D Turn signal lights →
140
2 ï Trailer hitch →
483
3 0075 Restraint system →
480
4 00BB ESP®
OFF →
491
00E5 ESP®
→
491
5 005E Rear fog light →
139
6 0057 High beam →
140
0058 Low beam →
138
0060 Standing lights →
138
7 005A Indicator lamp inoperative
8 ÿ Coolant temp erature →
484
9 Coolant temp erature display →
281
A 0024 Electric parking brake (yellow) →
488
B 004D Brakes (yellow) →
488 C
003D Electrical fault →
484
D L Distance warning →
490
E 0025 ABS →
491
F Ù Powe r steering →
483
G 0077 Tyre pressure monitoring system →
493
H 0028 Diesel engine: preglow
I 00D4 Reser vefuel wi thfuel /ller 0ap location
indicator →
484
J Fuel le vel →
281
K 0024 Electric parking brake (red) →
488
L 00E9 Seat belt →
480
M 004D Brakes (red) →
488
N 00B9 Engine diagnostics →
484
O ä Indicator lamp inoperative At
a glance – Indicator and warning lamps (widescreen cockpit)
15
15

1
Safetyve sts →
352
2 Fire extinguisher →
353
3 ; me button →
314
0053 SOS button →
314
4 002F Hazard warning light system →
141
5 Starting assis tance →
363
6 Tocheck and top up operating 0uids →
396
7 Tow- starting or towing away →
367
8 Flat tyre →
354
9 B-pillar with: QR code
for accessing there scue card →
41
A Tow- starting or towing away →
367
B Warning triangle →
352
C TIREFIT kit →
356
D Firs t-aid kit (soT sided) →
353
E Fuel /ller 0ap with:
information label on fuel type →
191
information label on tyre pressure →
376
QR code for accessing there scue card →
41 At
a glance – Emer gencies and breakdowns
21
21