One problem related to starter has been reported for the 2002 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Audi A6 based on all problems reported for the 2002 A6.
Starter coils on my 2002 Audi A6 failed. Dealer replaced 4 failed starter coils, but unable to replace other 2 until they fail. Recent news article cited a4's, but my A6 had problem.