2019 Audi S3 Problems: 2 Known Issues
2019 model year · 178+ owner reports · Updated October 2026
According to Au7o's analysis of 178+ owner reports, the 2019 Audi S3 has 2 documented known issues. None of the listed issues is rated critical; this is not a complete reliability assessment. The most commonly reported issue is Carbon buildup on the intake valves (owner reports) with 178 owner reports. DIY maintenance guides at au7o.io.
2019 · All trims · 2.0L TFSI
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All 2 Known Issues
NHTSA Recalls4 recalls
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet vehicles. The passenger occupant detection system (PODS) may malfunction and switch off the passenger air bag even when the seat is occupied.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017 Audi A3 and S3 Sedan vehicles. In a lower-speed crash situation, the air bag control unit software may deploy the passenger frontal air bag improperly if the front seat passenger is sitting on the edge of the seat or is laying in the seat with the seat reclined. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2016 Audi S3 Sedan, 2015-2019 A3 Sedan and A3 Cabriolet, 2016-2018 A3 e-tron, and 2017-2019 RS3 vehicles. An improper electrical contact may cause the Passenger Occupant Detection System (PODS) to falsely detect a malfunction and deactivate the passenger air bag.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2016 Audi TT Roadster, TT Coupe, S3 Sedan, R8 Coupe, A3 Sedan, A3 Etron, A3 Cabriolet, 2016 Golf Sportwagen, Golf R, Golf GTI, Golf A7, and E Golf vehicles. During air bag deployment, the front passenger air bag may explode or deploy improperly.
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Frequently Asked Questions
What are the most common Audi S3 problems?
According to Au7o's analysis of 178+ owner reports, the 2019 Audi S3 has 2 documented issues. The most frequently reported are: Carbon buildup on the intake valves (owner reports), Turbo wastegate rattle (owner reports). None are rated critical, but regular maintenance is recommended.
Is the Audi S3 reliable?
The 2019 Audi S3 has 2 known issues documented across 178+ owner reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
What is the 2015-2020 Audi S3 Carbon buildup on the intake valves (owner reports)?
Owners report carbon deposits baking onto the backs of the intake valves of the direct-injected 2.0 TFSI. One owner describes lost power, hesitation and shaking while waiting at traffic lights that he no longer felt after a shop walnut-blasted the valves. Owners note US-market ca… Severity: medium.
What is the 2015-2020 Audi S3 Turbo wastegate rattle (owner reports)?
Owners on the A3/S3 8V forum report a metallic rattle from the turbocharger wastegate of the 2.0 TFSI, and one S3 owner says he has lived with it for three years. One owner says Audi treated it as a normal characteristic and offered no fix. Applies to: 2015-2020 Audi S3 (Typ 8V,… Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.