2008 Mercedes C-Class Owner's Manual - Page 298

Controls in detail Useful features All information relevant to the emergency, such as the location of the vehicle (determined by the GPS satellite location system), vehicle model, identification number and color are generated. The Tele Aid system is available if it has been activated and is operational. Activation requires a subscription for monitoring services, connection, and cellular air time the relevant cellular phone network and GPS signals are available and pass the information on to the Response Center there is sufficient voltage in the vehicle batteries Warning! G i During the emergency call message Emergency Call Activated is displayed, operation from audio system or COMAND* is not possible. The automatic climate control can be still adjusted using the switches on the climate control panel. 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 relevant telephone 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. A voice connection between the Response Center and the occupants of the vehicle will be established automatically soon after the emergency call has been initiated. The Response Center will attempt to determine more precisely the nature of the accident provided they can speak to an occupant of the vehicle. 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. i During the emergency call the telephone is switched off automatically and must be switched back on to make a call. i If no vehicle occupant responds, an ambulance will be sent to the vehicle immediately. i The "911" emergency call system is a public service. Using it without due cause is a criminal offense. 297