Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 597

Axle load
Permissible............................................ 496
Trailer operation..................................... 509
B
Bad weather light......................................... 157
Bag hook..................................................... 138
Ball neck
Extending/retracting.............................. 288
Extending/retracting (MBUX multime-
dia system)............................................ 290
BAS (Brake Assist System), Brake Assist
System, Braking assistance.......................... 223
Battery
Remote control (stationary heater)......... 184
Battery (key)
Replacing................................................. 80
Battery (vehicle), 12 V battery
Charging................................................ 383
Charging (Remote Online)...................... 191
Notes..................................................... 379
Notes (starting assistance and charg-
ing)........................................................ 381
Replacing............................................... 384
Starting assistance................................ 383
Belt airbag
Activation................................................ 42
Function/notes........................................ 45
Bicycle rack
Load capacity........................................ 508
Trailer operation..................................... 293
Bonnet
Function (active bonnet)......................... 359
Boot lid
Activating/deactivating the boot lid
opening limiter......................................... 93
Closing.................................................... 88
HANDS-FREE ACCESS............................. 91
Locking separately................................... 92
Opening................................................... 87
Opening dimensions.............................. 506
Power closing function............................. 88
Unlocking (emergency key)...................... 93
Brake fluid
Notes..................................................... 504
P223 0288 02
Brake force distribution
EBD (Electronic Brake force Distribu-
tion)....................................................... 225
Brakes
ABS (Anti-lock Braking System).............. 223
Active Brake Assist................................. 244
Adaptive brake lights.............................. 227
BAS (Brake Assist System)..................... 223
Driving tips............................................ 193
EBD (Electronic Brake force Distribu-
tion)....................................................... 225
HOLD function....................................... 226
Limited braking effect (salt-treated
roads).................................................... 193
New/replaced brake linings/brake
discs...................................................... 192
Post-collision brake.................................. 57
Running-in notes.................................... 192
Breakdown
Assistance overview................................. 18
Tow-starting........................................... 390
Towing away.......................................... 386
Transporting the vehicle......................... 387
Wheel change........................................ 403
Index 595