warning MERCEDES-BENZ B-Class 2017 W246 Owner's Manual

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Symbols
In this Operator's Manual you will find the fol-
lowing symbols: G
WARNING
Warning notes make you aware of dangers
which could pose a threat to your health or
life, or to the health and life of others. H
Environmental note
Environmental notes provide you with infor-
mation on environmentally aware actions or
disposal.
! Notes on material damage alert you to dan-
gers that could lead to damage to your vehi-
cle.
i Practical tips or further information that
could be helpful to you.
X This symbol indicates an instruction
that must be followed.
X Several of these symbols in succession
indicate an instruction with several
steps.
(Y
page) This symbol tells you where you can
find more information about a topic.
Dis‐
Dis‐
play play This text indicates a message on the
multifunction display/multimedia dis-
play.
As at 14.10.2015

Welcome to the world of Mercedes-Benz
We urge you to read this Operator's Manual
carefully and familiarize yourself with the vehi-
cle before driving. For your own safety and a
longer vehicle life, follow the instructions and
warning notices in this Operator's Manual.
Ignoring them could result in damage to the
vehicle or personal injury to you or others.
Vehicle damage caused by failure to follow
instructions is not covered by the Mercedes-
Benz Limited Warranty.
The equipment or product designation of your
vehicle may vary depending on:
R Model
R Order
R Country specification
R Availability
Mercedes-Benz therefore reserves the right to
introduce changes in the following areas:
R Design
R Equipment
R Technical features
The equipment in your vehicle may therefore
differ from that shown in the descriptions and
illustrations.
The following are integral components of the
vehicle:
R Printed Operator's Manual
R Maintenance Booklet
R Equipment-dependent supplements
Keep these documents in the vehicle at all
times. If you sell the vehicle, always pass all
documents on to the new owner.
You can also use the Mercedes-Benz Guides
App:
Your Operator's Manual: Digital form inside the vehicle
The Digital Operator's Manual provides
comprehensive and specifically adapted
information on your vehicle's equipment
and multimedia system. It contains infor-
mative animations, individual language
settings and an intuitive search function. Booklet inside the vehicle
In addition to this manual and the afore-
mentioned digital media, you also have the option to obtain a comprehensive printed
version of the Supplement for your multi- media system from your authorized
Mercedes-Benz Center. Digital form via the Internet
The Operator's Manual on the Internet pro-
vides easy access to all information
regarding your vehicle and multimedia sys- tem. It also provides helpful animations,
interesting background information and a
wide array of search options. Digital form as an App
Using the Mercedes-Benz Guides App, you
can view all the information on your vehicle and multimedia system via mobile Internetor download it independently of network
access. Available for smartphones or tab-
lets.
You can also use the Mercedes-Benz Guides
App: Please note that the Mercedes-Benz Guides App
may not yet be available in your country.
Mercedes-Benz USA, LLC
Mercedes-Benz Canada, Inc.
A Daimler Company
2425848800 É2425848800gËÍ

Index
....................................................... 4Digital Operator's Manual
..................21
Introduction .......................................... .21
Operation ............................................... 21 Introduction
......................................... 22
Protecting the environment ...................22
Genuine Mercedes-Benz parts .............. .22
Operator's Manual ................................. 23
Service and vehicle operation ................23
Operating safety .................................... 24
QR codes for the rescue card ................28
Data stored in the vehicle ...................... 28
Information on copyright ....................... 29 At a glance
........................................... 31
Cockpit .................................................. 31
Instrument cluster ................................. 32
Multifunction steering wheel ................. 33
Center console ...................................... 34
Door control panel ................................. 36
Overhead control panel ........................ .37Safety
................................................... 38
Panic alarm ............................................ 38
Occupant safety .................................... 38
Children in the vehicle ........................... 52
Pets in the vehicle ................................. 58
Driving safety systems ........................... 58
Protection against theft .........................64 Opening and closing
...........................66
SmartKey ............................................... 66
Doors ..................................................... 72
Cargo compartment ...............................74
Side windows ......................................... 75 Seats, steering wheel and mirrors
....79
Correct driver's seat position ................ 79
Seats ..................................................... 79
Steering wheel ....................................... 83
Mirrors ................................................... 83
Memory function ................................... 85 Lights and windshield wipers
............87
Exterior lighting ..................................... 87
Interior lighting ...................................... 89
Replacing bulbs ..................................... 90
Windshield wipers .................................. 95 Climate control
.................................... 99
Overview of climate control systems ..... 99
Operating the climate control sys-
tems .................................................... 100
Air vents .............................................. 106 Driving and parking
..........................108
Notes on breaking-in a new vehicle ..... 108
Driving ................................................. 108
Transmission ....................................... 111
High-voltage battery ............................ 117
Parking ................................................ 128
Driving tips .......................................... 131
Driving systems ................................... 136 On-board computer and displays
....152
Important safety notes ........................ 152
Displays and operation ........................ 152
Menus and submenus ......................... 156
Display messages ................................ 167
Warning and indicator lamps in the
instrument cluster ............................... 190 Multimedia system
...........................201
General notes ...................................... 201
Important safety notes ........................ 201
Function restrictions ............................ 201
Operating system ................................ 202 Stowage and features
......................207
Loading guidelines ............................... 207
Stowage areas ..................................... 207
Features .............................................. 216 Maintenance and care
......................231
Engine compartment ........................... 231
ASSYST PLUS ...................................... 233
Care ..................................................... 234 2
Contents

1, 2, 3 ...
12 V socket see Sockets A
ABS (Anti-lock Braking System) Display message ............................ 168
Function/notes ................................ 59
Important safety notes .................... 59
Warning lamp .................................1 93
Accident
Automatic measures after an acci-
dent ................................................. 52
Activating media mode
General notes ................................ 206
Activating/deactivating cooling
with air dehumidification ................. 100
Active Brake Assist
Activating or deactivating .............. 162
Display message ............................ 174
Function/notes ................................ 60
ADAPTIVE BRAKE ................................. 64
Additional speedometer ................... 165
Address book
see also Digital Operator's Man-
ual ................................................. .201
Adjusting the volume
Audio 20 ........................................ 202
COMAND ....................................... 202
Air bags
Deployment ..................................... 50
Display message ............................ 176
Front air bag (driver, front
passenger) ....................................... 44
Important safety notes .................... 43
Introduction ..................................... 43
Knee bag .......................................... 44
Occupant Classification System
(OCS) ............................................... 45
PASSENGER AIR BAG indicator
lamps ............................................... 39
Side impact air bag .......................... 45
Window curtain air bag .................... 45
Air vents
Important safety notes .................. 106
Rear ............................................... 106 Setting the center air vents ........... 106
Setting the side air vents ..............
.106
Air-conditioning system
see Climate control
Alarm
ATA (Anti-Theft Alarm system) ......... 65
Switching off (ATA) .......................... 65
Switching the function on/off
(ATA) ................................................ 65
Alarm system
see ATA (Anti-Theft Alarm system)
Antenna ................................................ 26
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Ashtray ............................................... 217
Assistance display (on-board com-
puter) ................................................. .162
Assistance menu (on-board com-
puter) ................................................. .162
ASSYST PLUS
Displaying a service message ....... .233
Driving abroad ............................... 234
Hiding a service message .............. 233
Information about Service ............. 234
Resetting the service interval dis-
pla y................................................ 234
Service message ............................ 233
Special service requirements ......... 234
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 65
Function ........................................... 65
Switching off the alarm .................... 65
ATTENTION ASSIST
Activating/deactivating ................. 163
Display message ............................ 182
Function/note s............................. 148
Audio 20
Switching on/of f........................... 202
Audio menu (on-board computer) .... 160
Audio system
see separate operating instructions
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop 4
Index

AUTO lights
Display message ............................ 180
see Lights
Automatic car wash (care) ...............234
Automatic headlamp mode ................ 87
Automatic transmission
Display message ............................ 186 B
Back button ....................................... 202
Backup lamp
Display message ............................ 179
Replacing bulbs ............................... 93
Bag hook ............................................ 212
BAS (Brake Assist System) ................. 59
Battery (SmartKey)
Checking .......................................... 69
Important safety notes .................... 68
Replacing ......................................... 69
Battery (vehicle)
Charging ........................................ 248
Display message ............................ 181
Important safety notes .................. 246
Jump starting ................................. 249
Belt
see Seat belts
Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 163
Display message ............................ 183
Notes/function .............................. 150
Blootooth ®
Connecting a different mobile
phone ............................................ 206
Bluetooth ®
Searching for a mobile phone ....... .205
see also Digital Operator's Man-
ual ................................................. .201
Telephony ...................................... 204
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 173
Notes ............................................. 284
Brake force distribution
see EBD (electronic brake force
distribution) Brake lamps
Display message ............................ 178
Brake system
Driving safety systems ..................... 64
Brakes
ABS ................................................. .59
BAS .................................................. 59
Brake fluid (notes) ......................... 284
Braking assistance appropriate to
the situation ..................................... 61
Display messag e............................ 168
EBD .................................................. 63
Hill start assist ............................... 111
HOLD function ............................... 138
Important safety notes .................. 133
Maintenance .................................. 134
Parking brake ................................ 130
Riding tips ...................................... 133
Warning lamp ................................. 192
Braking assistance appropriate to
the situation
Function/note s................................ 61
Breakdown
Towing away .................................. 251
Where will I find...? ........................ 241
see Flat tire
Buttons on the steering wheel ......... 154 C
California Important notice for retail cus-
tomers and lessees .......................... 23
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
Car wash ........................................ 234
Carpets .......................................... 240
Display ........................................... 238
Exterior lights ................................ 237
Gear or selector lever .................... 239
Interior ........................................... 238
Matte finish ................................... 236
Notes ............................................. 234
Paint .............................................. 235
Plastic trim .................................... 238 Index
5

Display
High-voltage battery charge level
(instrument cluster) ...................... .153
Display messages
ASSYST PLUS ................................ 233
Calling up (on-board computer) ..... 167
Drive system .................................. 181
Driving systems ............................ .182
General notes ................................ 167
Hiding (on-board computer) ........... 167
Lights ............................................. 178
Safety systems .............................. 168
SmartKey ....................................... 189
Tires ............................................... 185
Vehicle .......................................... .186
Displaying electrical consumption
(on-board computer) ......................... 158
Displaying energy consumption
(on-board computer) ......................... 158
Distance recorder .............................156
Distance warning (warning lamp) .... 199
Distance warning function
Function/notes ................................ 60
Warning lamp ................................. 199
Doors
Automatic locking (on-board com-
puter) ............................................. 166
Automatic locking (switch) .............. .73
Central locking/unlocking
(SmartKey) ...................................... .66
Control panel .................................. .36
Display message ............................ 187
Emergency locking ........................... 73
Emergency unlocking ....................... 73
Important safety note s.................... 72
Opening (from inside) ...................... 72
Drinking and driving ......................... 132
Drive system
Jump-starting ................................. 249
Starting with the SmartKey ............ 111
Starting with the Start/Stop but-
ton ................................................. 110
Switching off .................................. 129
Driver's door
see Doors
Driving abroad
Mercedes-Benz Service ................. 234 Driving on flooded roads
.................. 135
Driving safety system
Active Brake Assist .......................... 60
Braking assistance appropriate tothe situation ..................................... 61
Driving safety systems
ABS (Anti-lock Braking System) ....... 59
ADAPTIVE BRAK E............................. 64
BAS (Brake Assist System) .............. 59
Distance warning function ............... 60
EBD (electronic brake force distri- bution) ............................................. 63
ESP ®
(Electronic Stability Pro-
gram) ............................................... 62
Important safety information ........... 58
Overview .......................................... 58
STEER CONTROL ............................. 64
Driving system
Parking assist PARKTRONIC .......... 139
Parking Pilo t.................................. 142
Driving systems
ATTENTION ASSIST ........................ 148
Blind Spot Assist ............................ 150
Cruise control ................................ 136
Display message ............................ 182
HOLD function ............................... 138
Rear view camera .......................... 145
Driving tips
Brakes ........................................... 133
Break-in period .............................. 108
Checking brake lining thickness .... 134
Downhill gradient ........................... 133
Drinking and driving ....................... 132
Driving in winter ............................. 135
Driving on flooded roads ................ 135
Driving on wet roads ...................... 135
Energy ........................................... 132
General .......................................... 131
Hydroplaning ................................. 135
Icy road surfaces ........................... 135
Limited braking efficiency on sal-
ted roads ....................................... 134
Snow chains .................................. 259
Wet road surface ........................... 134
DVD video
Operating (on-board computer) ..... 160
see also Digital Operator's Man-
ual .................................................. 201 8
Index

E
E ‑CELL display .................................. .152
EBD (electronic brake force distri-
bution)
Display message ............................ 170
Function/notes ................................ 63
ECO display
Function/notes ............................ .132
On-board computer ....................... 156
Electric motor number ......................283
Electrical energy generated
(COMAND) .......................................... 120
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 52
Emergency release
Driver's door ................................... .73
Vehicle .............................................73
Emergency Tensioning Devices
Activation ........................................ .50
Emergency unlocking
Tailgat e............................................ 75
Energy
Driving tips .................................... 132
Energy flow display ........................... 157
Entering an address
see also Digital Operator's Man-
ual.................................................. 201
ESP ®
(Electronic Stability Pro-
gram)
Activating/deactivating (on-
board computer) ............................ 162
Characteristics ................................. 63
Deactivating/activating (notes) ....... 63
Display message ............................ 168
Function/note s................................ 62
General notes .................................. 62
Important safety information ........... 62
Warning lamp ................................. 195
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 62
Exhaustive discharging (high-volt-
age battery) ....................................... 248
Exterior lighting
Cleaning ......................................... 237 see Lights
Exterior mirrors
Adjusting ......................................... 84
Dipping (automatic) ......................... 84
Out of position (troubleshooting) ..... 84
Storing settings (memory func-
tion) ................................................. 86
Storing the parking position ............. 85
Eyeglasses compartment ................. 208 F
Favorites Overview ........................................ 203
Flat tire
MOExtended tire s.......................... 242
Preparing the vehicle ..................... 241
TIREFIT kit ...................................... 243
Floormats ........................................... 229
Folding table ...................................... 209
Frequencies
Mobile phone ................................. 281
Two-way radio ................................ 281
Front-passenger seat
Folding the backrest forward/
back ............................................... 210
Fuel
Fuel gaug e....................................... 32
Fuses
Allocation chart ............................. 256
Before changing ............................. 255
Fuse box in the engine compart-
ment .............................................. 255
Fuse box in the front-passenger
footwell .......................................... 256
Important safety notes .................. 254 G
Garage door opener Clearing the memory ..................... 228
General notes ................................ 226
Important safety notes .................. 226
Opening/closing the garage doo r..2 28
Problems when programming ....... .228
Programming (button in the rear-
view mirror) ................................... 226
Synchronizing the rolling code ....... 227 Index
9

Generated electrical energy (Audio
20) ...................................................... 120
Genuine parts ...................................... 22
Glove box ........................................... 208
Google™ Local Search
see also Digital Operator's Man-
ual .................................................. 201 H
Handbrake see Parking brake
Hazard warning lamps
Display messag e............................ 188
Switching on/of f.............................. 89
Head restraints
Adjusting ......................................... 80
Adjusting (manually) ........................ 81
Adjusting (rear) ................................ 81
Headlamps
Fogging up ....................................... 89
see Automatic headlamp mode
Heating
see Climate control
High beam flasher ............................... 88
High-beam headlamps
Display message ............................ 179
Replacing bulb s............................... 92
Switching on/of f.............................. 88
High-voltage battery
Battery care ................................... 119
Charging (charging station) ............ 125
Charging (mains socket) ................ 122
Charging cable warming ................ 118
Cruise rang e.................................. 120
Discharged battery ........................ 119
Display message ............................ 181
Displaying energy consumption
(on-board computer) ...................... 158
Displaying the range (on-board
computer) ...................................... 158
Energy consumption ...................... 120
General notes ................................ 118
Method of operation ...................... 119
Outside temperatures .................... 119
Overvoltage protection .................. 118
Problems with the charging proc-
ess ................................................. 126 Reserve, warning lamp ................... 199
Terms of use .................................. 119
High-voltage disconnect device ......... 26
Hill start assist .................................. 111
HOLD function
Activating ....................................... 138
Deactivating ................................... 138
Display message ............................ 182
Function/note s............................. 138
Home address
see also Digital Operator's Man-
ual.................................................. 201
Hood
Closing ........................................... 232
Display message ............................ 187
Important safety notes .................. 231
Opening ......................................... 231
Horn ...................................................... 31
Hydroplaning ..................................... 135 I
Ignition lock see Key positions
Immobilizer .......................................... 64
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 32
Power display ................................ 153
Setting s......................................... 165
Warning and indicator lamps ........... 32
Instrument cluster lighting .............. 152
Interior lighting
Control ............................................. 90
Overview .......................................... 89
Reading lamp ................................... 89
Internet connection
Via mobile service modul e............. 128
iPod ®
see also Digital Operator's Man-
ual .................................................. 201 10
Index

J
Jack Storage location ............................2 41
Using ............................................. 277 K
Key positions Start/Stop button .......................... 109
KEYLESS-GO
Convenience closing feature ............ 77
Deactivation ..................................... 66
Locking ............................................ 66
Unlocking ......................................... 66
Kickdown
Driving tips ................................... .114
Knee bag .............................................. 44 L
Lamps see Warning and indicator lamps
LATCH-type (ISOFIX) child seat
anchors ................................................ 55
License plate lamp
Changing bulbs ................................ 94
License plate lamp (display mes-
sage) ................................................... 179
Light function, active
Display message ............................ 180
Light sensor (display message) ....... 180
Lights
Automatic headlamp mode .............. 87
Cornering light function ................... 89
Fogged up headlamps ..................... .89
Hazard warning lamps ..................... 89
High beam flasher ............................ 88
High-beam headlamps ..................... 88
Light switch .................................... .87
Low-beam headlamps ...................... 87
Parking lamps .................................. 88
Rear fog lamp .................................. 88
Setting exterior lighting ................... 87
Standing lamps ................................ 88
Switching the daytime running
lamps on/off (on-board com-
puter) ............................................. 166
Turn signals ..................................... 88 Loading guidelines
............................ 207
Locking
see Central locking
Locking (doors)
Automatic ........................................ 73
Emergency locking ........................... 73
From inside (central locking but-
ton) .................................................. 72
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 166
Low-beam headlamps
Display message ............................ 178
Replacing bulb s............................... 92
Switching on/of f.............................. 87
Lumbar support
Adjusting the 4-way lumbar sup-
port .................................................. 81 M
M+S tires ............................................ 259
Malfunction message
see Display messages
Map (navigation)
Switching the range on the map
on/of f............................................ 121
Matte finish (cleaning instruc-
tions) .................................................. 236
Maximum charge current
Setting (charging cable) ................. 123
mbrace
Call priority .................................... 222
Display message ............................ 173
Downloading destinations
(COMAND) ..................................... 222
Downloading routes ....................... 225
Emergency call .............................. 220
General notes ................................ 219
Geo fencing ................................... 225
Locating a stolen vehicle ............... 224
MB info call button ........................ 221
Remote fault diagnosi s.................. 224
Remote vehicle locking .................. 224
Roadside assistance button ........... 221
Search & Send ............................... 223
Self-test ......................................... 219 Index
11

Speed alert .................................... 225
System .......................................... 219
Triggering the vehicle alarm ........... 226
Vehicle remote unlocking .............. 223
Mechanical key
Function/note s................................ 68
Inserting .......................................... 68
Locking vehicle ................................ 73
Removing ......................................... 68
Unlocking the driver's doo r.............. 73
Memory card (audio) ......................... 160
Memory function ................................. 85
Message memory (on-board com-
puter) .................................................. 167
Messages
see Display messages
Mirror turn signal
Cleaning ......................................... 237
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in the sun visor)
Mobile phone
Connecting (Bluetooth ®
inter-
face) .............................................. 204
Connecting another mobile
phone ............................................ 206
Frequencies ................................... 281
Installation ..................................... 281
Menu (on-board computer) ............ 160
Transmission output (maximum) .... 281
Modifying the programming
(SmartKey) ........................................... 67
MOExtended tires .............................. 242
Mounting wheels
Lowering the vehicle ...................... 279
Mounting a new wheel ................... 278
Preparing the vehicle ..................... 276
Raising the vehicle ......................... 277
Removing a whee l.......................... 278
Securing the vehicle against roll-
ing away ........................................ 276
MP3
Operation ....................................... 160
see also Digital Operator's Man-
ual .................................................. 201 Multifunction display
Function/note s............................. 155
Permanent display ......................... 165
Multifunction steering wheel
Operating the on-board compute r..1 54
Overview .......................................... 33
Music files
see also Digital Operator's Man-
ual ................................................. .201 N
Navigation Entering a destination .................... 203
Menu (on-board computer) ............ 158
see also Digital Operator's Man-
ual ................................................. .201
Notes on breaking-in a new vehi-
cle ....................................................... 108 O
Occupant Classification System
(OCS) Conditions ....................................... 46
Faults ............................................... 49
Operation ......................................... 46
System self-test ............................... 48
Occupant safety
Air bags .......................................... .43
Automatic measures after an acci-
dent ................................................. 52
Children in the vehicle ..................... 52
Important safety note s.................... 38
Introduction to the restraint sys-
tem .................................................. 38
Occupant Classification System
(OCS) ............................................... 45
PASSENGER AIR BAG indicator
lamps ............................................... 39
Pets in the vehicle ........................... 58
Restraint system warning lamp ........ 39
Seat belt .......................................... 40
OCS
Conditions ....................................... 46
Faults ............................................... 49
Operation ......................................... 46
System self-test ............................... 48
Odometer ........................................... 156 12
Index