Mercedes-Benz S-Class 2020 Operator's Manual page 589

Opening ................................................. 83
Opening with the SmartKey ................... 81
Problem ................................................. 88
Rain closing function ............................. 86
SmartKey ................................................... 64
Acoustic locking verification signal ....... 65
Battery .................................................. 66
Energy consumption .............................. 65
Features ................................................ 64
Key ring attachment .............................. 66
Mechanical key ...................................... 66
Overview ............................................... 64
Panic alarm ........................................... 65
Problem ................................................. 68
Unlocking setting .................................. 65
SmartKey functions
Deactivating .......................................... 65
Smartphone
see Android Auto
see Apple CarPlay ®
see Mercedes-Benz Link
see Telephone
Snow chains ............................................. 447
Socket (12 V)
Rear passenger compartment ............. 140
Trunk ................................................... 142
Socket (115 V) .......................................... 141
Rear passenger compartment .............. 141
Software update ...................................... 309
Information .......................................... 309
Performing ........................................... 310
System updates ................................... 310
Sound
PRE-SAFE ® Sound ................................. 48
Wheels and tires .................................. 446
Sound
see Burmester ® surround sound system
see Sound settings
Sound settings ........................................ 387
Adjusting the balance/fader ............... 387
Adjusting treble, mid-range and bass
settings ............................................... 387
Automatic volume adjustment ............. 387
Calls up the sound menu ..................... 387
Information .......................................... 387
Spare wheel
see Emergency spare wheel
Special seat belt retractor ........................ 55
Specialist workshop .................................. 26
Speech dialog system
see Voice Control System
Speed index (tires) .................................. 462
Speedometer
Digital .................................................. 269
Spotlight function
Switching on/off ................................. 256
Standby mode
Activating/deactivating ....................... 200
Function .............................................. 200
Standing lights ........................................ 150
Start-off assist
see Optimized acceleration
Start/Stop button
Parking the vehicle .............................. 191
Starting the vehicle .............................. 173
Switching on the power supply or
ignition ................................................ 172
Start/stop function
see ECO start/stop function
Index 587