One problem related to wiper has been reported for the 2012 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Audi A6 based on all problems reported for the 2012 A6.
Windshield wipers ceased to work creating dangerous situation. Dealer denied express warranty claim. Wiring on wipers was so flimsy as to apparently allow a mouse to chew through coating. Dealer charged over $640. To replace a $20 wire. Several e-mails and calls to Audi of America did not bring any action.