Mercedes-Benz C-Class Convertible 2021 Operator's Manual page 490

488 Index
Size designation (tires)............................. 369
SmartKey
Acoustic locking verification signal......... 64
Battery.................................................... 65
Energy consumption................................ 64
Features.................................................. 63
Key ring attachment................................ 65
Mechanical key........................................ 65
Overview................................................. 63
Panic alarm............................................. 64
Problem................................................... 66
Unlocking setting.................................... 64
SmartKey functions
Deactivating............................................ 64
Smartphone
see Android Auto
®
see Apple CarPlay
see Mercedes-Benz Link
see Telephone
Snow chains.............................................. 355
Socket (12 V)
Front center console............................. 104
Trunk/cargo compartment.................... 104
Soft top
Care...................................................... 327
Closing (soft-top switch).......................... 72
Closing using the SmartKey..................... 81
Opening (soft-top switch)........................ 72
Opening with the SmartKey..................... 80
Problem................................................... 78
Relocking................................................. 74
Soft-top switch............................................ 72
Software update
Performing............................................ 239
Software updates.................................. 238
System updates..................................... 239
Sound
®
PRE-SAFE Sound................................... 50
Wheels and tires.................................... 354
Sound
®
see Burmester surround sound system
see Sound settings
Sound settings
Adjusting the balance/fader.................. 313
Adjusting treble, mid-range and bass
settings.................................................. 313
Automatic volume adjustment............... 313
Calls up the sound menu....................... 313
Information............................................ 313
Spare wheel
see Emergency spare wheel
Special seat belt retractor.......................... 55
Specialist workshop.................................... 27
Speech dialog system
see Voice Control System
Speed index (tires).................................... 369
Standby mode
Activating/deactivating......................... 150
Function................................................ 149
Standing lights.......................................... 108
Start-off assist
see Optimized acceleration
Start/stop button
Parking the vehicle................................ 143
Starting the vehicle............................... 125
Switching on the power supply or
ignition................................................... 124
Start/stop function
see ECO start/stop function