Mercedes-Benz 2008 R 320 CDI 4MATIC Operator's Manual page 325

Controls in detail
Useful features
A voice connection between the Response
Center and the occupants of the vehicle
will be established automatically soon
after the emergency call has been initiat-
ed. The Response Center will attempt to
determine more precisely the nature of the
accident provided they can speak to an
occupant of the vehicle.
The Tele Aid system is available if
it has been activated and is operation-
al. Activation requires a subscription
for monitoring services, connection
and cellular air time
vehicle battery power is available
the relevant cellular phone network
and GPS signals are available and pass
the information on to the Response
Center
i
Location of the vehicle on a map is only
possible if the vehicle is able to receive signals
from the GPS satellite network and pass the
information on to the Response Center.
324
Warning!
If the indicator lamp in the SOS button is
flashing continuously and there was no
voice connection to the Response Center
established, then the Tele Aid system could
not initiate an emergency call (e.g. the rele-
vant cellular phone network is not available).
The message Call Failed appears in the
multifunction display for approximately
10 seconds.
Should this occur, assistance must be
summoned by other means.
Initiating an emergency call manually
G
1 Cover
2 SOS button
Briefly press on cover 1.
The cover opens.
Press SOS button 2 briefly.
The indicator lamp in SOS button 2
will flash until the emergency call is
concluded.
Wait for a voice connection to the
Response Center.
Close cover 1 after the emergency
call is concluded.