There are 1 owner-reported visibility & wipers complaints for the 2014 Audi A6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The vehicle defrost system stopped working due to the aluminum heater core getting clogged. The Audi maintenance does not have an interval for flushing the system on a regular basis. The vehicle only has 58,000 miles and the the failed/clogged heater core is preventing the defrost and defogging of the windshield making visibility dangerous in cold weather and sunlight.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026