2005 Mercedes S-Class Owner's Manual - Page 258

Controls in detail Useful features System self-check Initially, after switching on ignition, malfunctions are detected and indicated (the indicator lamps in the SOS button, the Roadside Assistance button • and the Information button ¡ stay on longer than ten seconds or do not come on). The message TELE AID MALFUNCTION DRIVE TO WORKSHOP! Warning! G Emergency calls An emergency call is initiated automatically following an accident in which the emergency tensioning devices (ETDs) or air bags deploy. An emergency call can also be initiated manually by opening the cover next to the interior rear view mirror labeled SOS, then briefly pressing the button located under the cover. See ( page 257) for instructions on initiating an emergency call manually. Once the emergency call is in progress, the indicator lamp in the SOS button will begin to flash. The message CONNECTING CALL appears in the multifunction display and the audio system is muted. When the connection is established, the message CALL CONNECTED appears in the multifunction 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. If the indicator lamps in the SOS button, in the Roadside Assistance button and/or in the Information button do not come on during the system self-check, or if any of these indicators remain illuminated continuously in red and/or the message TELE AID MALFUNCTION DRIVE TO WORKSHOP! is displayed in the multifunction display after the system self-check, a malfunction in the system has been detected. If a malfunction is indicated as outlined above, the system may not operate as expected. Have the system checked at the nearest Mercedes-Benz Center as soon as possible. appears for approximately ten seconds in the multifunction display. i The Tele Aid system utilizes the cellular network for communication and the GPS (Global Positioning System) satellites for vehicle location. If either of these signals are unavailable, the Tele Aid system may not function and if this occurs, assistance must be summoned by other means. 256