There are 3 owner-reported electrical system complaints for the 2005 Audi S4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
HEATED SEAT ELEMENT BURNED OR MELTED THE SEAT WHILE THE CAR WAS OFF OVERNIGHT. PASSENGER SEAT LEATHER IS NOW SEPARATED, SHRIVELED (HARD AS A ROCK) AND WOULD HAVE BURNED THE PASSENGER IF THEY HAD BEEN IN THE SEAT.
AS I WAS DRIVING ON THE FREEWAY MY HEADLIGHT WENT OUT WITH AND THE MESSAGE, "RIGHT DIPPED HEADLIGHT" CAME ON. WHEN THIS HAPPEN I STOPPED TO FILL UP WITH GAS AND WHEN I STARTED THE CAR THE MESSAGE WAS GONE AND THE HEADLIGHT WAS BACK ON. THIS HAS HAPPENED A SEVERAL MORE TIMES SINCE THEN. *TR
TL*THE CONTACT OWNS A 2002 AUDI S4. THE INSTRUMENTAL PANEL DOES NOT DISPLAY ANY INFORMATION. THE CLUSTER SYMBOLS ARE BROKEN. THE DEALER HAS NOT DIAGNOSED THE FAILURE. THE CURRENT MILEAGE WAS 53,000 AND THE FAILURE MILEAGE WAS 35,000.
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