Mercedes-Benz 2010 S-Class Operator's Manual page 270

Voice Control System troubleshooting
268
Help window
You can use the help window to view a
selection of valid commands on the COMAND
display.
The help functions can be switched on or off
via COMAND in the System menu
( Y page 93).
Entering digits and spelling
Entering digits
Digits from "Zero" to "Nine" may be used.
R
Speaking phone numbers in digit blocks of
R
3 to 5 digits has proven a very reliable
method for the input of phone numbers.
What to do if ...
Problem
The 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.
The blower could be set to the
highest setting, vents could be
pointing at microphones or wind
noise could be created due to open
windows.
Spelling
The letters of the English alphabet and the
R
digits 0 - 9 may be used.
Speak the letters in blocks of 5 - 7 letters
R
at a time.
Speak each individual letter clearly.
R
Suggested solution
X
Operate the Voice Control System
only by the driver as the
microphone is geared to the driver
side.
X
Speak the commands in a
continuous manner using a normal
tone.
X
Avoid loud disturbances.