2019 Audi S4 problems, complaints & recalls
Most-reported problem areas: Service Brakes (1) · Engine (1)
🧭 Reliability snapshot
Compared against other Audi S4 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (1)
Air Bags:sensor:occupant Classification:front Passenger 2021-11-10 · campaign 21V874000 · 208,332 vehicles
Defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
Risk: A disabled passenger air bag increases the risk of injury in the event of a crash.
Fix: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.
Service bulletins (837)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-25 · TSB_2083409_1 · Service Bulletin/Repair Instructions
this bulletin states that technicians are required to report to the manufacturer when a vehicle has flooded, and specify the height to which the vehicle has been flooded.
Unknown Or Other 2026-09-25 · TSB_2052680_2 · Service Bulletin/Repair Instructions
this bulletin provides information for reporting safety related information to the manufacturer.
Steering 2026-09-22 · TSB_2074846_5 · Service Bulletin/Repair Instructions
this bulletin provides information about vibrations and rotational steering vibrations.
Steering 2026-09-22 · TSB_2065871_4 · Service Bulletin/Repair Instructions
this bulletin provides informaiton when dtc b200ff0 is stored.
Visibility/Wiper 2026-09-22 · TSB_2020552_15 · Service Bulletin/Repair Instructions
this bulletin provides service information regarding exterior glass cleaning.
Structure:body 2026-09-18 · TSB_2078648_4 · Service Bulletin/Repair Instructions
this bulletin provides information about billing for a broken sunroof glass panel.
Showing the 6 most recent of 837 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-03-06 · Engine“ i don't know because dealer will not allow me to inspect engine or send me a response to what caused failure. seems by the sounds coming from the top end of the motor most likely cause is that rocker arm (or possibly a valve train)component failed, noise coming from top end. of course the failure was just after the 50k warranty by about 17 k miles…”
2021-05-04 · Service Brakes · 19,800 mi“tl* the contact owns a 2019 audi s4. the contact stated that while driving approximately 60 mph, the brakes locked up. the abs warning light was illuminated. the audi pre-sense message was also displayed. the vehicle was taken to fletcher jones audi (1523 w. north ave, chicago, il 60642, (312) 628-4300) however, the mechanic was unable to determine…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.