Ac
tive Steering Assist
Ac tivating/deactivating......................... 208
Ac tive Emergency Stop Assis t............... 208
Fu nction................................................ 206
Sy stem limits.........................................2 06
Ad aptive brake lights ................................ 194
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist Plus
Fu nction................................................ 127
Switching on/of f................................... 12 8
Ad ditional door lo ck.................................... 73
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up..............................................1 40
Air distribution Setting................................................... 13 9
Setting (MBUX multimedia sy stem)........ 141
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct Air pressure
see Tyre pressure
Air vents
Ad justing (front).................................... 14 6
Ad justing (rear)...................................... 14 6
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. .141
Air-water duct Keeping free.......................................... 304
Airbag Activation................................................ 35
Fr ont airbag (driver, front passenger)...... 40
Ins tallation locations.............................. .40
Knee airbag............................................ .40
Overview................................................. 40
PA SSENGER AIR BAG indicator lamp....... 45
Pr otection................................................ 41
Re duced pr otection.................................43
Side airba g.............................................. 40
Wi ndow airba g......................................... 40 Ai
rflow
Setting................................................... 13 9
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel distribution Function................................................ 16 3
All-wheel drive Function................................................ 16 3
Ambient lighting Setting (MBUX multimedia sy stem)....... 13 0
Android Auto
see Smartphone integration
Animals Pets in theve hicle................................... 68
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ 73
Immobiliser............................................. 89
Anti-theft pr otection
see ATA (anti-theft alarm sy stem) 41 8
Index
Anticipatory occupant pr
otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 300
Displaying the service due dat e............ 299
Fu nction/no tes..................................... 299
Re gular maintenance work.................... 299
Special service requ irements................ 299
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 90
Fu nction.................................................. 90
Fu nction of interior pr otection................. 91
Priming/deactivating interior pr otec‐
tion..........................................................92
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 91
To w- aw ay protection function.................. 90 AT
TENTION ASSI ST
Fu nction................................................ 19 5
Setting................................................... 19 6
Sy stem limitations................................. 19 5
At tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights........................... 124
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff
Fu nction of the automatic front
passenger front airbag deactivation
sy stem..................................................... 43
PA SSENGER AIR BAG indicator lamp....... 45
Au tomatic mir rorfo lding function
Ac tivating/deactivating......................... 13 8Au
tomatic transmission
Engaging neutral.................................... 16 2
Axle load Perm issible............................................ 346
Tr ailer operatio n.................................... 354 B
Bag hook..................................................... 11 4
Ball ne ck
Extending/r etra cting............................ .239
Extending/r etra cting (MBUX multi‐
media sy stem)....................................... 241
BA S (Brake Assist Sy stem) ...................... .189
Battery see Battery (vehicle)
see High-voltage battery
Battery (high-voltage on-board electri‐
cal sy stem)
see High-voltage battery
Battery (k ey)
Re placing.................................................72
Battery (vehicle) Charging................................................ 320 Index
419
