- Safelock mechanism
- Safety
- Safety interlock (ignition key)
- Safety systems (warning lamp)
- SCAN
- Screen
- Screwdriver
- SD card readers
- Seat belts
- Seat heating
- Seats
- Secure simple pairing
- Security
- Security central locking
- Seek up/down (radio)
- Selecting a waveband
- Selective wheel torque control
- Selector lever (automatic gearbox)
- Self-help
- Sending tone sequence
- Service interval display
- Service intervals
- Service position
- Servo assist
- SET (instrument cluster)
- Settings
- Setup MMI (system settings)
- Short dialogue
- Side lights
- SIM card reader 1, 2
- Ski bag
- Smartphone
- SMS
- Snow chains
- Software version
- SOS
- Sound adjustment
- Sound channel
- Source, selecting
- Spanner
- Spare key
- Spare wheel 1, 2
- Spare wheel (on rear seat bench)
- Special destination
- Speech dialogue system
- Speed display (navigation)
- Speedometer 1, 2
- Speed warning
- Speller
- Star button
- Start/stop system 1, 2
- START ENGINE STOP button (convenience key) 1, 2
- Starting (engine)
- Starting with jump leads
- Station list
- Station name (radio)
- Station sorting (radio)
- Steering
- Steering lock
- Steering wheel
- Storage compartments 1, 2
- Storage location (directory)
- Subwoofer (sound)
- Summer time
- Sun roof
- Sun visors
- Supplementary heater (vehicles with diesel engine)
- Suspension control
- Suspension control (indicator lamp)
- Switching between calls 1, 2
- Switching between tabs
- Switching off (engine)
- Switching the ignition on/off
- Symbols
- System settings
- System update
- S tronic (automatic gearbox)