Mercedes-Benz A-Class 2021 Operator's Manual page 397

Active Emergency Stop Assist ............. 170
Active Lane Change Assist ................... 171
Function .............................................. 168
System limits ....................................... 168
Adaptive cruise control
see Active Distance Assist DISTRONIC
Adaptive Highbeam Assist
Function ............................................... 112
Switching on/off .................................. 113
Additives .................................................. 326
Engine oil ............................................ 326
Fuel ..................................................... 326
Additives (engine oil)
see Additives
Additives (fuel)
see Fuel
After-sales service center
see ASSYST PLUS
Air bag
Reduced protection ............................... 44
Air conditioning menu
Calling up ............................................ 122
Air distribution
Setting (MBUX multimedia system) ..... 122
Air inlet
see Air-water duct
Air pressure
see Tire pressure
Air vents ................................................... 123
Adjusting (front) .................................. 123
Adjusting (rear) .................................... 124
Air vents
see Air vents
Air-recirculation mode ............................ 123
Air-water duct .......................................... 256
Keeping free ........................................ 256
Airbag ......................................................... 42
Activation .............................................. 37
Front airbag (driver, front passenger) .... 42
Installation locations ............................. 42
Knee airbag ........................................... 42
Overview ............................................... 42
PASSENGER AIR BAG indicator lamp ..... 47
Protection .............................................. 43
Side airbag ............................................ 42
Window curtain airbag ........................... 42
Alarm
see Panic alarm
Alarm system
see ATA (anti-theft alarm system)
All-wheel drive
see 4MATIC
Ambient lighting
Setting (multimedia system) ................ 114
Android Auto
see Smartphone integration
Animals
Pets in the vehicle ................................. 65
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-skid chains
see Snow chains
Anti-theft protection
Immobilizer ............................................ 84
Anticipatory occupant protection
see PRE-SAFE ® (anticipatory occu‐
pant protection)
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