Mercedes-Benz S-Class 2009 - Manual (Page 289)

Voice Control command list
287
MP3
R MP3 (on)
R MP3 player (on)
R MP3 changer (on)
R next MP3
R other MP3
R next medium
R other medium
R previous MP3
R last MP3
R preceding MP3
R replay MP3
R replay medium
R repeat medium
R last medium
R previous medium
R next directory
R other directory
R next folder
R other folder
R previous directory
R previous folder
R last directory
R last folder
R repeat directory
R repeat folder
R next track
R other track
R previous track
R last track
R repeat track
R replay track
R track 1-39
R load track 1-39
R load track number 1-39
R select track 1-39
R select track number 1-39
R MP3 1-6
R MP3 number 1-6
R medium 1-6
R medium number 1-6
R drive
R memory card
DVD
R audio DVD
R DVDA player (on)
R audio DVD player (on)
R DVD audio player (on)
R DVDA changer (on)
R audio DVD changer (on)
R DVD audio changer (on)
R next DVDA
R other DVDA
Control systems
Z