Analog Tele Aid Units Must be Upgraded to Digital on Mercedes-Benz S430

Analog Tele Aid units are no longer supported and must be updated to digital, preferably at a dealership or a well-equipped independent shop. The update and all related factors should be completed at the same time.

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Average mileage: 71,866 (62,000–79,000)
7 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006
10 people reported this problem
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problem details
2004 Mercedes-Benz S430 79,000 mi,
Teleaid malfunction and radio goes on and off, navigation stopped working.
The dealer wanted $1,500 to change the analog module to digital
yep, the red light over the rear view mirror flashes on and off. what's one to do?