Mercedes-Benz Comand Operator's Manual page 97

Telephone*
Important notes
In the following situation, it is not yet pos-
sible to use the functions "Dial number
from phone book", "Redial" and
"Speed-dial":
The mobile telephone has been
plugged into its holder correctly, the
COMAND operating unit has been swit-
ched on and the phone book download
function has been actuated (see Tele-
phone Operation Guide).
Once the download process has been
completed, the above functions be-
come available.
88
It is not possible to make a call when one
of the following messages appears:
"System busy, redial?"
Dialing has failed because system is
busy.
"No service, redial?"
Dialing has failed because network
cannot be received.
"Phone off"
Tele Aid is active, the telephone func-
tion will switch on automatically after
Tele Aid is ended.