1, 2, 3 ...
4ETS (Electronic Traction System)
see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 227
12 V socket
see Sockets
360° camera
Cleaning ......................................... 341
Display in the multimedia system .. 214
Function/notes ............................. 212
A
ABS (Anti-lock Braking System)
Display message ............................ 259
Function/notes ................................ 69
Important safety notes .................... 69
Warning lamp ................................. 293
Accident
Automatic measures after an acci-
dent ................................................. 57
Activating media mode
General notes ................................ 310
Activating/deactivating air-recir-
culation mode .................................... 138
Activating/deactivating cooling
with air dehumidification ................. 135
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 250
Display message ............................ 279
Function/notes ............................. 222
Towing a trailer .............................. 224
Active Brake Assist
Activating or deactivating .............. 250
Display message ............................ 264
Function/notes ................................ 70
Active Brake Assist with cross-
traffic function
Activating or deactivating .............. 250
Display message ............................ 265
Function/notes ................................ 75
Important safety notes .................... 76
Warning lamp ................................. 301
Active Curve System
Display message ............................ 276
Function/notes ............................. 198
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 251
Display message ............................ 278
Function/notes ............................. 224
Towing a trailer .............................. 227
Active light function ......................... 123
ADAPTIVE BRAKE ................................. 75
Adaptive Brake Assist
Function/notes ................................ 71
Adaptive brake lights .......................... 72
Adaptive Damping System
Function/notes ............................. 200
Adaptive Highbeam Assist Plus
Display message ............................ 271
Function/notes ............................. 124
Switching on/off ........................... 124
AdBlue
®
Display message ............................ 274
Filling capacity ............................... 385
Important safety notes .................. 384
Topping up ..................................... 166
Additives (engine oil) ........................ 385
Address book
See also Digital Owner's Manual ... 303
Adjusting the headlamp range ......... 122
Adjusting the volume
COMAND Online ............................ 304
Adjusting volume
Audio 20 ........................................ 304
ADS (Adaptive Damping System)
Function/notes ............................. 197
Air conditioning
General notes ................................ 131
Air filter (white display message) .... 274
AIR FLOW ........................................... 136
Air pressure
see Tyre pressure
Air vents
Glove compartment ....................... 145
Important safety notes .................. 144
Rear ............................................... 145
Setting ........................................... 144
Setting the centre air vents ........... 144
4
Index