- Safe driving
- Safelock mechanism
- Safety
- Safety systems (warning lamp)
- SCAN
- Screen
- Screwdriver
- SD card readers
- Seat belts
- Seat heating
- Seats
- Seat ventilation
- Secure simple pairing
- Security
- Seek up/down (radio)
- Selecting a waveband
- Selective catalytic reduction
- Selective wheel torque control (four-wheel drive)
- Selector lever (automatic gearbox)
- Self-help
- Sending tone sequence 1, 2
- Service interval display
- Service intervals
- Service position
- SET (instrument cluster)
- Settings
- Setup MMI (system settings)
- Short dialogue
- Side assist
- Side lights
- SIM card reader 1, 2
- Single journey memory
- Ski bag
- Smartphone
- SMS
- Snow chains
- Socket
- Software version 1, 2
- SOS
- Sound adjustment
- Sound channel
- Source, selecting
- Spanner
- Spare key 1, 2
- Spare wheel 1, 2
- Special destination
- Speech dialogue system
- Speed dialling (handset) 1, 2
- Speed display (navigation)
- Speedometer 1, 2
- Speed warning
- Speller
- Sport differential
- Stabilisation program
- Start/stop system
- START ENGINE STOP button (convenience key) 1, 2
- Starting (engine) 1, 2, 3
- Starting with jump leads
- Station list
- Station name (radio)
- Station sorting (radio)
- Steering
- Steering wheel
- Storage compartments 1, 2
- Storage location (directory)
- S tronic (automatic gearbox)
- Subwoofer (sound)
- Summer time
- Sun blinds
- Sun roof
- Sun roof (tilting panorama roof)
- Sun visors
- Supplementary heater (air conditioner)
- Suspension control
- Switching between calls 1, 2, 3
- Switching between menus
- Switching off (engine) 1, 2, 3
- Symbols
- System settings
- System update