2004 Mercedes C-Class Owner's Manual - Page 224

Controls in detail Useful features System self-check Initially, after turning the SmartKey in starter switch to position 2, 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! appears for approximately ten Warning! G Emergency calls An emergency call is initiated automatically following an accident in which the emergency tensioning devices (ETDs) or airbags deploy. if the anti-theft alarm or the tow-away alarm stays on for more than 20 seconds. See anti-theft alarm system ( page 78) and tow-away alarm ( page 79). 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 226) 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 EMERGENCY CALL - CONNECTING CALL appears in the multifunction display. When the connection is established, the message seconds in the multifunction display. If the indicator lamps in the SOS button, in the Roadside Assistance button and/or in the Information button remain illuminated constantly 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. 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. 224