Mercedes-Benz E-Class Sedan Operator's Manual page 217

Voice Control System 215
Command Function
To switch to navigation mode
To switch to map display
To switch to address book
To switch to telephone mode
To switch to text messages
To switch to radio mode
To switch to media mode
To switch to USB
To switch to memory card
To start a Mercedes-Benz online application. The application must be called up by touch once prior
to use.
To switch to Mercedes-Benz Apps
To switch to Internet mode