A6 [4B/C5] (1997-2004)
In February 1997, the introduction of a new A6 (Typ 4B), based on a new design automobile platform – the Volkswagen Group C5 platform.
This vehicle can be fitted with several different factory systems. Some vehicles are fitted with a factory BOSE system (the speaker grills will have a BOSE logo on them). These require the BOSE specific leads.