2006 Mercedes C-Class Owner's Manual - Page 272

Controls in detail Useful features i The indicator lamp in the Information button ¡ remains illuminated in red for approximately 10 seconds during the system self-check after switching on the ignition (together with the SOS button and the Roadside Assistance button •). See system self-check ( page 266) if the indicator lamp does not come on in red or stays on longer than approximately 10 seconds. If the indicator lamp in the Information button ¡ is flashing continuously and there was no voice connection to the Response Center established, then the Tele Aid system could not initiate an Information call (e.g. the relevant cellular phone network is not available). The message Call failed appears in the multifunction display. Information calls can be terminated using the t button on the multifunction steering wheel or the END Button on the audio system or COMAND* System. Call priority If other service calls such as a Roadside Assistance call or Information call are active, an Emergency call is still possible. In this case, the Emergency call will take priority and override all other active calls. ! If the indicator lamps do not start flashing after pressing one of the buttons or remain illuminated (in red) at any time, the Tele Aid system has detected a malfunction or the service is not currently active, and may not initiate a call. Visit your authorized Mercedes-Benz Center and have the system checked or contact the Response Center at 1-800-756-9018 (in the USA) or 1-888-923-8367 (in Canada) as soon as possible. i The indicator lamp in the respective button flashes until the call is concluded. Emergency calls can only be terminated by a Response Center or Customer Assistance Center representative, whereas Roadside Assistance and Information calls can also be terminated by pressing button t on the multifunction steering wheel or using the END button on the audio system or COMAND* System. 271