2004 Mercedes ML-Class Owner's Manual - Page 174

Controls in detail Useful features Once the emergency call is in progress, the indicator lamp in the SOS button will begin to flash. The message EMERGENCY CALL - CONNECTING CALL appears in the MCS display. When the connection is established, the message EMERGENCY CALL - CALL CONNECTED appears in the MCS display. 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. 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. When a voice connection is established the audio system mutes and the message TELE AID - EMERGENCY CALL ACTIVE appears in the MCS display. 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 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. Warning! G 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. If the indicator lamp in the SOS button is illuminated 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 cellular phone network is not available). The message EMERGENCY CALL - CALL FAILED appears in the MCS display for approx. ten seconds. Should this occur, assistance must be summoned by other means. 174