Mercedes-Benz Audio 50 Operator's Manual page 59

Telephone*
General information
The telephone cannot be used or cannot
be used yet in the following situations:
If the telephone is not or not yet regis-
tered on a network.
The message No service appears
in the status line. The telephone auto-
matically tries to register on a network.
If there is no network available, you will
not be able to make "911" emergency
calls.
If you try to start an outgoing call, the
message No service Call not
possible will be displayed briefly.
56
If the message Telephone being
activated, please wait is dis-
played.
If the message Please insert
phone is displayed.
Insert the cell phone into the tele-
phone adapter ( Vehicle operating
manual).