One problem related to sway bar has been reported for the 2013 Volkswagen Passat. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Volkswagen Passat based on all problems reported for the 2013 Passat.
At about 12000 miles on my vw Passat clunks began to develop in front end of car. It kept getting worse. I took it into vw garage for diagnosis and repairs at 15000 miles. The told me the sway bars failed and would need to replae them. After repair the sway bar links were replaced and car is without noise.