2008 Mercedes S-Class Owner's Manual - Page 330

Control systems Voice Control* troubleshooting Problem Voice Control System does not recognize commands. Possible cause/consequence You have not operated the system from the driver's seat. You have spoken unclearly, too loudly or too quietly. A blower is set to the highest setting, vents are pointed at microphones or wind noise is being created through open windows. Suggested solution Operate the Voice Control System only by the driver as the microphone is geared to the driver side. Speak the commands in a continuous manner using a normal tone. Avoid loud disturbances. Voice Control System does not recognize a The voice entries in the address book sound address book entry. too similar. When you create your address book entries, select names with the greatest possible acoustic differences: If for example you have the names Smith and Schmidt, choose for example "Smith work" or "Schmidt John". Speak the command "List phone book". The system reads out the address book entry by entry. Press ! when the desired entry is being read out. The entry is selected and the corresponding number is dialed ( page 295). 329