The affected models are those A6 sedans built between April 8, 2011, through May 26, 2011, of which there are some 317 examples in the U.S. alone.
According to Audi a problem in the stitching process of the curtain airbags means the seams of the airbags may not be up to the expected standard.
In the event of a crash, Audi warns, the head curtain airbags on either side of the vehicle may not deploy, thus increasing the risk of injury.
Owners of the affected vehicles should take their cars to their nearest dealer, which will replace the faulty airbags free of charge. For further information you can also contact the National Highway Traffic Safety Administration (NHTSA) at 1-888-327-4236 (reference recall campaign number 11V580000) or Audi at 1-800-822-8987.
Note, the 2012 Audi A6 is still one of the safest vehicles on the road today, having earned top honors in recent Institute for Highway Safety's (IIHS) crash tests.