1999 Audi S6
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 1999 Audi S6 is worth — from official NHTSA and EPA data. 3 on record.
1999 Audi S6 at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
1999 Audi S6 recalls 1
ON CERTAIN PASSENGER VEHICLES, IF A DRIVER'S KNEES PUSH AGAINST THE KNEE BOLSTER (CRASH ELEMENT) LOCATED UNDER THE DASHBOARD, IT CAN CONTACT THE HEADLIGHT SWITCH WIRING HARNESS, AND AN ELECTRICAL SHORT COULD OCCUR.
Fix: DEALERS WILL INSTALL A PROTECTIVE COVERING ON THE KNEE BOLSTER (CRASH ELEMENT). IN ADDITION, THE WIRING HARNESS AS WELL AS THE FELT PROTECTOR ON THE LEFT SIDE OF THE DASHBOARD CARRIER WILL BE CHECKED, AND REPLACED IF NECESSARY. THE RECALL BEGAN ON JULY 26, 2004. OWNERS SHOULD CONTACT AUDI AT 1-800-…
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
Investigations & service bulletins
NHTSA defect investigations 1
DRIVER'S SIDE DASH FIRE Closed
VOLKSWAGEN OF AMERICA, INC. (VOA) CONDUCTED A SAFETY RECALL (NHTSA RECALL NUMBER 04V133) TO ADD A PLASTIC COVER TO THE TOP SECTION OF THE KNEE BOLSTER CROSSMEMBER TO PREVENT CONTACT WITH THE HEADLIGHT SWITCH WIRING HARNESS. THE SCOPE OF THE ORIGINAL RECALL COVERED MODEL YEARS 1998 THROUGH 2004 WITH VEHICLE PRODUCTION DATES OF AUGUST 1997 THROUGH DECEMBER 2004. THE OFFICE OF DEFECTS INVESTIGATION HAS RECEIVED NINE COM…
NHTSA #RQ06003 · Electrical System · opened Feb 2006 · closed Jul 2006An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 41
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 41.
This bulletin provides information on the additional reporting requirements for safety related inquiries.
Bulletin A0023742052680_4 · Equipment · Oct 2023This technical service bulletin provides troubleshooting information for the vehicle locking system.
Bulletin A572200202203210 · Latches/locks/linkages · Dec 2022This informational bulletin contains technical information for when there is condensation visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, and/or third brake light lens.
Bulletin A941791 2012749- · Exterior Lighting · Jul 2017This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward.
Bulletin SM 44-2017 EN · Equipment · Jun 2017This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change.
Bulletin A171782 2010043- · Engine · May 2017Due to increasing requests for high voltage personal protective equipment (HVE PPE) for dealer technicians working with high voltage vehicles (Hybrid, Plugin Hybrid, Electric Vehicle), the Volkswagen Tools and Equipment Team has identified two US based supplie…
Bulletin ATE-17-05 · Equipment · Mar 2017This information TSB provides information regarding the correct way to torque adjust a wheel bolt.
Bulletin A441662 2010334- · Wheels · Oct 2016Supersedes Technical Service Bulletin Group 20 number 13-29 dated November 15, 2013. The fuel tank has been removed from the vehicle and must be neutralized before shipment or disposal. When the fuel tank in a vehicle is replaced, the original tank must be pro…
Bulletin A201559 2011703- · Fuel System, Diesel, Fuel System, Gasoline · Dec 2015Supersedes Technical Service Bulletin Group 19 number 15-61 dated July 7, 2015. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been i…
Bulletin A191562 2025303- · Engine And Engine Cooling · Sep 2015Supersedes Technical Service Bulletin Group 19 number 14-50 dated June 20, 2014. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been…
Bulletin A1915612025303-5 · Engine And Engine Cooling · Jul 2015Source: NHTSA Office of Defects Investigation, listed for the S6. Model-year data, not specific to one car.
Canadian recalls 2
Transport Canada recall campaigns for the 1999 Audi S6. Relevant if the car was first sold in, or imported from, Canada.
Electrical
On certain vehicles, if a plastic cover is not securely installed to the drivers-side support crossmember, the headlight switch wiring harness could short out on the crossmember and cause a fire. Note: Further evaluation revealed that only U.S. vehicles are affected. Canadian-market vehicles are equipped with a different headlamp switch wiring harness which includes Daytime Run…
Transport Canada #2006152 · Jun 2006Electrical
On certain Audi S6, A6 and A6 Allroad Quattro, contact between the left driver's side crash element and the headlight switch wiring harness could eventually result in an electrical short. Even though such an electrical short is not very likely, it could result, in a worst-case scenario, in a fire originating in the left dashboard area. Correction: Dealer will install a protecti…
Transport Canada #2004095 · Mar 2004Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Audi S6
The Audi S6 is a high-performance variant of the Audi A6, an executive car produced by German automaker Audi. It went on sale in 1994, shortly after the "A6" designation was introduced, replacing the "100" nameplate.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.