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102
Telephone*
Important notes
ț
Also make sure that the air vents are
not pointed in the direction of the
microphones located in the overhead
control panel near the rear view mirror.
Adjust air vents and/or reduce blower
speed if necessary.
ț
A brief disconnection from the cellular
network is not a malfunction, as this
can occur when the network switches
areas. The phone will automatically try
to sign on to a network again.
ț
If the message Enter Unlock Code:
appears, enter the unlock code to en-
able all telephone functions
(
୴
page 104). If you do not do so, only
the emergency call (911) is available.
GSM mobile phone
ț
If the message Enter PIN: on the
COMAND appears, enter the PIN-code
to enable the telephone functions
(
୴
page 104). If you do not do so, only
the emergency (911) call is available on
the COMAND.
In the following situations, it is not possible
or not yet possible to use the telephone:
ț
The telephone is already unlocked but
is not or not yet registered in the net-
work.
The message
no Serv. appears in the
status bar. The telephone will try to re-
gister into an existing network. If the
network is available, the telephone will
be ready for use.
The above message also appears
ț
if the network is no longer available
due to weak signals
ț
if you try to make a call (message
Service Unavailable appears
for 8 seconds)
ț
The message Activating Telepho-
ne Please Wait
appears.
COMAND prepares the telephone for
use. Select other system functions, e.g.
radio, by pressing the corresponding
button or wait until the telephone is ac-
tive.
ț
The message Telephone Unavai-
lable
appears if telephone* is not in-
stalled or a malfunction has occured.
Please contact an authorized
Mercedes-Benz Center.
ț
The message Telephone Not In-
serted
appears if the mobile phone is
not inserted in the cradle.
Please connect the mobile phone.
GSM mobile phone
ț
If the message Check SIM Card
(Emergency Call “911” Only
Possible With Tel.)
:
̈
Insert the SIM card into the mobile
phone (Telephone Operating
Manual).
i
Depending on power state of the phone
it may take up to 8 seconds from phone
insertion until this message disappears
(e.g. if a powered-off phone is inser-
ted).