Ad
justing treble, mid-range and bass
setting s................................................. 377
Calling up the sound menu.................... 377
Information............................................ 377
Switching volume adjustment on/of f.... 377
Ad versewe ather light ............................... 13 3
Af ter-sales service centre
see ASS YST PLUS
Air distribution Setting................................................... 151
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 16 0
Ad justing (rear)..................................... .160
Air vents
see Air vents Ai
r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 154
Air-water duct Keeping free.......................................... 387
Airbag Activation................................................ 38
Fr ont airbag (driver, front passenger)...... 43
Ins tallation locations.............................. .43
Knee airbag............................................ .43
Overview................................................. 43
PA SSENGER AIR BAG indicator lamp....... 48
Pr otection................................................ 44
Re duced pr otection.................................46
Side airba g.............................................. 43
Wi ndow airba g......................................... 43
Ai rflow
Setting................................................... 151
AIRM ATIC
Setting.................................................. .226
Suspension........................................... 225
Alarm sy stem
see ATA (anti-theft alarm sy stem) All-wheel drive
see 4MATIC
Alternative route
see Route
Ambient lighting Setting (multimedia sy stem)..................1 37
Android Auto
Connecting a mobile phon e...................336
Ending................................................... 337
Information............................................ 336
Overview.............................................. .335
Sound settings...................................... 337
Tr ans ferred vehicle data........................3 37
Animals Pets in theve hicle................................... 72
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................................ .76
Immobiliser............................................. 93 Index
521
Anticipatory occupant pr
otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
Connecting an iPhone ®
.........................3 34
Ending................................................... 335
No tes....................................................3 34
Overview............................................... 334
Sound settings...................................... 335
Tr ans ferred vehicle data........................3 37
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods...............3 79
Displ aying the service due dat e............. 378
Fu nction/no tes..................................... 378
Re gular maintenance work.................... 378
Special service requirements............... .378
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 94
Fu nction.................................................. 94
Fu nction of interior pr otection................. 95 Priming/deactivating interior pr
otec‐
tion.......................................................... 96
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 95
To w- aw ay protection function.................. 94
AT TENTION ASSI ST
Fu nction................................................ 19 9
Setting................................................... 200
Sy stem limitations................................. 19 9
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB device s....................... 355
Co pyrights............................................. 353
Information............................................ 352
Inserting/re moving an SD car d............. 354
Media sea rch.........................................3 59
Overview............................................... 355
Pa use and playback function................ .356
Selecting a track................................... 356
Selecting playba ckoptions.................... 356
Switching on media mode..................... 354
Tr ack list............................................... .356 Au
thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ...........................12 9
Au tomatic engine start (ECO start/
sto p function)............................................ 16 8
Au tomatic engine stop (ECO start/
sto p function)............................................ 16 8
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..................................................... 46
PA SSENGER AIR BAG indicator lamp....... 48
Au tomatic mir rorfo lding function
Ac tivating/deactivating......................... 15 0
Au tomatic transmission
DIRECT SELECT le ver............................. 174522
Index