86 Telephone*
Important notes
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.
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.
If the message Enter Unlock Code ap-
pears, enter the unlock code to enable
all telephone functions (
page 91). If
you do not do so, only the emergency
call (911) is available.
GSM mobile phone
If the message Please enter PIN Code
on the mobile phone appears, enter the
PIN-code to enable the telephone func-
tions (
page 91). If you do not do so,
only the emergency (911) call is avai-
lable on the mobile phone.In the following situations, it is not possible
or not yet possible to use the telephone:
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
if the network is no longer available
due to weak signals
The message Telephone being activa-
ted, 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.
The message Phone not inserted ap-
pears.
Please connect the mobile phone.
The message Phone not available ap-
pears.
Please contact an authorized
Mercedes-Benz Center.
GSM mobile phone
If the message Please insert SIM card
(Emergency Call 911 only possible
with phone)
appears:
Insert the SIM card into the mobile
phone (Telephone Operating
Manual).
The message Call failed may appear
if you place an outgoing call
(
page 95).
Try again later.
