2003 Mercedes ML-Class Owner's Manual - Page 166
2003 Mercedes ML-Class Manual
Page 166 highlights
Controls in detail Useful features For more details concerning the Tele Aid system, please visit www.mbusa.com and use your ID and password (sent to you separately) to learn more (USA only). The message INFO CALL FAILED appears in the MCS display. Information calls can be terminated using the END button on the MCS. Upgrade signals The Tele Aid system processes calls using the following priority. Automatic emergency - First priority Manual emergency - Second priority Roadside assistance - Third priority Information - Fourth priority Should a higher priority call be initiated while you are connected, an upgrade (alternating) tone will be heard and the appropriate indicator lamp will flash. If certain information such as vehicle identification number or customer information is not available, the operator may need to retransmit. During this time you will hear a beep and voice contact will be interrupted. Voice contact will resume once the retransmission is completed. Once a call is concluded, a beep will be heard and the appropriate indicator lamp will stop flashing. The MCS system operation will resume. i The indicator lamp in the Information button ¡ remains illuminated in red for approx. 10 seconds during the system self-check after turning key in the steering lock to position 2 (together with the SOS button and the Roadside Assistance button •). See system self-check ( page 160) when the indicator lamp does not light up in red or stays on longer than approximately 10 seconds. If the indicator lamp in the Information button ¡ is illuminated 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). ! If the indicator lamps do not start flashing after pressing one of the buttons or remains illuminated (in red) at any time, the Tele Aid system has detected a fault or the service is not currently active, and may not initiate a call. Visit your 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. 166