Mercedes-Benz SL SERIES Operator's Manual page 384

Telephone
382
Call disconnection while the vehicle is
in motion
A call may be disconnected if:
there is insufficient network coverage in
R
certain areas.
you move from one transmitter/receiver
R
area (cell) into another and no channels are
free.
you use a SIM card which is not compatible
R
with the network available.
Operating options
You can operate the telephone by:
using the COMAND controller:
R
turn c V d
slide XVY or ZVÆ
press W
using the 6 or ~ button and using
R
the telephone keypad on COMAND
using the 6 or ~ button on the mul-
R
tifunction steering wheel
using the Voice Control System (see the
R
separate Voice Control System operating
instructions)
Unless stated otherwise, the descriptions and
illustrations in this section refer to COMAND.
Function restrictions
The telephone is not ready for use in the fol-
lowing situations:
The telephone automatically tries to log on
R
to a network. If no network is available, you
may not be able to make a "911" emer-
gency call. If you attempt to make an out-
going call, the
appear for a short while.
"911" emergency call
The 911 emergency call is a public service.
Using it without due cause is a criminal
offense.
No Service message will
The following requirements must be fulfilled
for a 911 emergency call:
the mobile phone must be switched on.
R
a network must be available.
R
a valid and operational SIM card must be
R
inserted in the mobile phone.
the mobile phone is connected to COMAND
R
®
via Bluetooth .
If you cannot make an emergency call, you
must arrange rescue measures yourself.
Enter the number on COMAND
X
( page 389).
Y
Press 6.
X
The telephone makes the connection.
Wait until the emergency call center
X
answers and describe the emergency sit-
uation.
Telephony via the Bluetooth
face
Prerequisites
For telephony via COMAND's Bluetooth
interface, a Bluetooth
phone is required.
On COMAND
Activate the Bluetooth
X
COMAND ( page 310).
Y
On the mobile phone
Switch on the mobile phone and enter the
X
PIN when prompted to do so (see the
mobile phone operating instructions).
®
Activate Bluetooth
X
necessary, Bluetooth
mobile phone (see the mobile phone oper-
ating instructions).
The battery of the mobile phone should
always be kept sufficiently charged in order to
prevent malfunctions.
®
inter-
®
®
-capable mobile
®
function in
functions and, where
®
visibility on the