2018 Audi A6 / S6 Repairs and Problem Descriptions at TrueDelta

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See repairs for all Audi A6 / S6 model years.

Audi A6 / S6 in Florida, United States Jun 2017 - Jul 2020
Dec 2018 20000 mi	Power sunshade for rear window became very noisy at the ends of its travel (i.e. when almost completely deployed, or almost completely stowed). Sunshade unit (to include the shade itself and the motor) was replaced.

Audi A6 / S6 in California, United States Jun 2017 - Jun 2018
Jun 2018 18500 mi US $1000	Front rotors had groove in them. Shop attributed to possible rock having gotten stuck.

Audi A6 / S6 in Illinois, United States Jun 2015 - Jan 2019
Mar 2017 12000 mi	Drivers side mirror will not retract in cold weather. Took to dealer they put it in warm shop for 3hrs before diagnosing and could not reproduce. Weather has warmed enough that the mirror works again

Audi A6 / S6 in Virginia, United States Apr 2016 - Apr 2018
May 2016	Front parking sensor fogged over - electrical fault.
Jun 2016 2000 mi	Creaking noise at low speed from steering wheel. Clock spring in steering wheel replaced and adjusted. Required 4 days to diagnose & an hour to repair at Audi of Arlington; Schmitt's Audi in Buffalo took 1 hour to diagnose.
Feb 2018 6000 mi	Initially noticed parking cameras not displaying on MMI screen despite the distance sensors working (could hear beeping as approaching objects). Then, within a week, the battery was completely dead. Could not jump car from engine bay battery posts; car had to be jumped from battery under spare tire.

Audi A6 / S6 in California, United States Apr 2016 - Jun 2018
Apr 2017 5000 mi	Satelite antenna replace for GPS

Audi A6 / S6 in Saskatchewan, Canada Aug 2015 - Dec 2017
May 2016 3600 mi	The S6 sill plate in the drivers door had a dent when delivered. The dealer ordered the replacement and installed when doing the 8000km maintenance.

Audi A6 / S6 in Ontario, Canada Sep 2015 - May 2018
Mar 2018 31000 mi	right passenger grab handle replaced since return spring on original was shot

Audi A6 / S6 in Colorado, United States Apr 2016 - Jun 2018
May 2018 13000 mi	Air bag light was on due to broken driver's seat belt buckle not working. It was replaced under warranty.

Audi A6 / S6 in Virginia, United States May 2019 - Nov 2020
Jul 2019 38329 mi	Cup holder flap will not open properly.
Jul 2020 65958 mi	Rear pads and rotors replaced.

Audi A6 / S6 in Illinois, United States Sep 2015 - Mar 2018
Mar 2018 21000 mi	camshaft timing adjuster failure.

Audi A6 / S6 in Florida, United States May 2015 - May 2018
Aug 2017 24000 mi	Rotors had a factory defect that caused them to deform, creating vibrations during braking. This was a known issue but I was not contacted. When I had the vibration I came in and they informed this would not affect braking capability, but that they were authorized to replace the entire breaking system when the issue was reported.

Audi A6 / S6 in New Jersey, United States Jul 2016 - Jun 2018
Oct 2016 21000 mi	Engine lost power, and made a lot of noise. Piston ring found in oil pan. Engine replaced under warranty. Reason given for replacement: piston failure.
Jun 2017 34449 mi	Expansion tank and hose replaced under warranty. In shop for five days.
Mar 2018 57000 mi US $85	Starter failed while out driving. Wife had to drive almost an hour to pick me up. Starter was back ordered in Germany.

Audi A6 / S6 in Georgia, United States Jun 2016 - Jun 2018
Nov 2016 3300 mi	Fuel pressure sensor replacement

Audi A6 / S6 in California, United States Jan 2016 - Sep 2016
Jul 2016 9200 mi	The nut in the bottom right of the license plate housing fell in.

Audi A6 / S6 in Florida, United States Sep 2015 - Oct 2016
Oct 2016 21000 mi	Turbo had a failed seal

Audi A6 / S6 in Arizona, United States Apr 2015 - Oct 2020
Sep 2015 2000 mi	Diesel exhaust system cleaning was not occurring. Dealer installed a missing fuse which was missing from the factory and not caught during PDI.
Sep 2019 34000 mi	Fuel flap on body was not unlocking consistently.

Audi A6 / S6 in Singapore Apr 2016 - Jul 2018
Feb 2018 18600 mi	Thermostat
Jul 2018 22320 mi	Rubbing noise every time I turn left

Audi A6 / S6 in Illinois, United States Jun 2016 - Jun 2018
Aug 2016	Knocking sound over bumps. Not identified or fixed.

Audi A6 / S6 in Texas, United States Mar 2016 - Jun 2018
Dec 2017 24000 mi	Went for a oil change and found the thermostat was leaking repaired but took extra time
Apr 2018 29000 mi	Had a leak on the water pump, second repair but this time they replaced brackets and a few other things 2000 miles later all seems good

Audi A6 / S6 in Colorado, United States Nov 2016 - Apr 2017
Jan 2017 8000 mi	Front rotors had hot spots. Rotors were replaced.

Audi A6 / S6 in Arizona, United States Feb 2015 - Jun 2018
Jun 2018 32000 mi	2 front wheel bearings replaced

Audi A6 / S6 in Ohio, United States Feb 2016 - Jun 2018
Apr 2016	MMI System was basically inoperative unless I hard rebooted the system 1-2 times every time I drove the car.
Sep 2016 5000 mi	The cooled seats seemed inoperative
Dec 2016 8000 mi	MMI had to be replaced

Audi A6 / S6 in California, United States Jun 2015 - Dec 2016
Nov 2015 1900 mi	Water leak from A/C soaked carpet and computer modules on floor. Required replacement of carpet, cleaning of mold, and exchange of computer modules.
Jan 2016 2300 mi	Trim damaged during last repair had to be repaired. One piece of trim was glued instead of replaced. More trips. Rattle on sunroof and dash. Rear seat leather replaced due to bad appearance. Replaced leather seat had creases than required a further trip to fix.
Apr 2016 4000 mi	Rattle on sunroof. Broken trim on seat.
Dec 2016 10000 mi	Sunroof rattle never fixed.

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