Mercedes-Benz COMAND Operator's Manual page 207

4 This message appears,
a beep tone will be heard if there is a new incoming
message
There are three ways to switch to a main menu (e.g.
radio main menu) before the
• Press the right-hand rotary/pushbutton
• Press
• automatically after 15 seconds.
5 Cancels the request
Service System settings
Introduction Audio
Note on (4):
In the following situations it is not possible to make a
request and the following messages appear:
• "Data Connection Cannot be Established" — request
4
has failed because Response Center cannot be
accessed
• "No Cellular Connection Available" — vehicle may
5
be in a cellular weak signal area
• "Cellular System Busy" — request has failed
because cellular system is busy, try again later
P82.85-6132-26
• "Data transmission failure" — request has failed
because a data transfer error has occured, try again
• "Tele Aid Call in Progress!" — request has failed
because SOS or Roadside call is in progress.
• "Tele Aid. Please visit workshop" - a hardware error
key was pressed:
has been detected. Contact M-B Center.
• "To subscribe to information services dial
phone number" – you have not yet subscribed to
service
• "No information available at this time. Press SVC
button later" – no new information is available
205
Telephone Navigation
Info Services and
Index
system settings