https://plaincars.com/make/audi-s5 New NHTSA complaints and recalls filed for the Audi S5. en-us Sun, 18 Oct 2026 03:29:08 GMT https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2168221 Tue, 20 Jan 2026 00:00:00 GMT I am writing to file a formal safety defect complaint regarding the EA839 3.0T turbocharged V6 engine installed in various Audi models, including but not limited to the B9/B9.5 S4 and S5, C8 A6 and A7, and 4M/4M.5 Q7 and Q8 (model years approximately 2017 onward). This engine has a well-documented issue with piston skirt wear and failure, which I believe constitutes a significant safety hazard due https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#recall-25V899000-audi-audi-s5-2025 Fri, 19 Dec 2025 00:00:00 GMT Volkswagen Group of America, Inc. (Audi) is recalling certain 2025 SQ6 E-Tron, SQ6 Sportback E-Tron, Q6 Sportback E-Tron, A6, A5, A6 Sportback E-Tron, Q6 E-Tron, S5, and S6 Sportback E-Tron vehicles. The automatic locking retractor may fail to engage when a child seat is installed using the seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Stan https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2157123 Sun, 14 Dec 2025 00:00:00 GMT An Audi dealer has just diagnosed my 2018 S5 Cabriolet Prestige with vacuum system contamination caused by water pump failure. I had requested the diagnostic due to small coolant leaks on the engine and loss of coolant in the expansion tank. No warning lights and no overheating yet. Not yet aware of any loss of performance. I have been advised it is unsafe to continue driving the car. Dealer has https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2155341 Mon, 08 Dec 2025 00:00:00 GMT Component/System: Passenger Occupant Detection System (PODS) / Airbag system — Recall 74E3 / NHTSA 21V874. What Happened: The passenger airbag may switch off even when the seat is occupied due to a faulty PODS wiring connection. The warning message “Passenger Airbag Off” appears with a chime. This is an active safety recall that was issued before I purchased the vehicle, but the recall was not di https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2155342 Mon, 08 Dec 2025 00:00:00 GMT Component/System: Passenger Occupant Detection System (PODS) / Airbag system — Recall 74E3 / NHTSA 21V874. What Happened: The passenger airbag may switch off even when the seat is occupied due to a faulty PODS wiring connection. The warning message “Passenger Airbag Off” appears with a chime. This is an active safety recall that was issued before I purchased the vehicle, but the recall was not di https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2155343 Mon, 08 Dec 2025 00:00:00 GMT Component/System: Passenger Occupant Detection System (PODS) / Airbag system — Recall 74E3 / NHTSA 21V874. What Happened: The passenger airbag may switch off even when the seat is occupied due to a faulty PODS wiring connection. The warning message “Passenger Airbag Off” appears with a chime. This is an active safety recall that was issued before I purchased the vehicle, but the recall was not di https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2154618 Fri, 05 Dec 2025 00:00:00 GMT Upon starting the vehicle while parked on 10/18/2025, dashboard displayed warning: "Turn off engine and check coolant level. See owner's manual." Visual inspection revealed coolant residue on mechanical coolant pump switching valve N649 on cylinder head bank 1, indicating water pump internal seal failure allowing coolant to leak into vacuum control system. Component failed: Water pump (EA839 3.0T https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2152761 Sun, 30 Nov 2025 00:00:00 GMT The front driver-side tire experienced a full tire tread separation at highway speeds. It caused minimal damage to the vehicle's rim. No crash, other damage, or injuries occurred. Tire size 255/35R19 96H XL https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2152128 Wed, 26 Nov 2025 00:00:00 GMT Below is a detailed timeline of the problems I experienced: Intermittent starting issue Over the past few months, the car has occasionally failed to start on the first attempt. It always started on the second try, so I planned to mention it at the next service visit. Complete MMI/display blackout while driving on the highway In the middle of my trip, the entire center display and instrument clu https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2152129 Wed, 26 Nov 2025 00:00:00 GMT Below is a detailed timeline of the problems I experienced: Intermittent starting issue Over the past few months, the car has occasionally failed to start on the first attempt. It always started on the second try, so I planned to mention it at the next service visit. Complete MMI/display blackout while driving on the highway In the middle of my trip, the entire center display and instrument clu https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2152130 Wed, 26 Nov 2025 00:00:00 GMT Below is a detailed timeline of the problems I experienced: Intermittent starting issue Over the past few months, the car has occasionally failed to start on the first attempt. It always started on the second try, so I planned to mention it at the next service visit. Complete MMI/display blackout while driving on the highway In the middle of my trip, the entire center display and instrument clu https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2151710 Tue, 25 Nov 2025 00:00:00 GMT System malfunctions for new all new 2025 Audi S5 including drive system malfunction, loose wheel, brakes limited functionality, parking break malfunction, stabilization control malfunction, driving dynamics system malfunction, hold assist malfunction. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2151711 Tue, 25 Nov 2025 00:00:00 GMT System malfunctions for new all new 2025 Audi S5 including drive system malfunction, loose wheel, brakes limited functionality, parking break malfunction, stabilization control malfunction, driving dynamics system malfunction, hold assist malfunction. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2151712 Tue, 25 Nov 2025 00:00:00 GMT System malfunctions for new all new 2025 Audi S5 including drive system malfunction, loose wheel, brakes limited functionality, parking break malfunction, stabilization control malfunction, driving dynamics system malfunction, hold assist malfunction. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2152009 Tue, 25 Nov 2025 00:00:00 GMT Known-Best Assesment-Piston Skirt Defect and Non-Disclosure of Prior Issues: Approximately only three months after purchase of a brand new 2025 Audi S5 on 6/11/25 , I received a letter from Audi of America acknowledging a potential piston skirt defect/failure resulting from faulty material and/or workmanship. They extended the part warranty for 8 years or 80,000 miles but this doesn't help me feel https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2149158 Sun, 16 Nov 2025 00:00:00 GMT VEHICLE Year: 2018 Make: Audi Model: S5 Prestige Trim: 3.0 TFSI (EA839 V6 Turbo) Mileage: 86,000 Engine Code: CWGD COMPLAINT TITLE Latent Engine Failure – EA839 Piston Skirt + Rocker Arm Defects – Dealer Broke Engine Cover, Left Wiring Harness Dangling – Audi Denies Despite Having DIY Receipts For Maintenance DESCRIPTION At 86,000 miles, my 2018 Audi S5 Prestige suffered internal engine failur https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2136761 Mon, 06 Oct 2025 00:00:00 GMT The contact owns a 2024 Audi S5. The contact stated that while his wife was seated in the front passenger’s seat with dam clothing after a workout, the air bag malfunction warning light would illuminate. The contact's wife had to sit on a towel while seated in the passenger’s seat to activate the air bags, and to turn off the warning light. The vehicle was taken to the dealer to be diagnosed. The https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#recall-25V638000-audi-audi-s5-2025 Wed, 24 Sep 2025 00:00:00 GMT Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2025 GTI, Golf R, Audi A5, A6 Sportback E-Tron, S5, S6 Sportback E-Tron, 2026 Q4 Sportback E-Tron, and Q4 E-Tron vehicles. The torsion bar in one or both front seat belt retractors may have been damaged during production. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2119558 Mon, 11 Aug 2025 00:00:00 GMT I got into a car accident that a ton of front end damage (the car was totaled) and none of the airbags deployed. I was alone in the car and wearing my seatbelt. I looked and found no noted recalls for the airbags in my specific car. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2118367 Thu, 07 Aug 2025 00:00:00 GMT I began my lease for a brand-new 2025 Audi S5 on July 14, 2025. The vehicle was delivered with a dent in the door, which the dealer repaired before I could take possession. The dent repair was completed on July 22, 2025, at which time I took delivery. On July 23, I informed my sales representative that the SOS/eCall emergency communications system was not functioning. This safety feature, designe https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2117234 Tue, 05 Aug 2025 00:00:00 GMT Vacuum line has coolant due to water pump failure and over heating of engine. Whole water pump and coolant reservoir plus hoses need to be replaced before additional damage to vehicle. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2116528 Sat, 02 Aug 2025 00:00:00 GMT MMI - Multi Media Interface constantly reboots about every 90 seconds. This is a safety issue since if I am backing up and the MMI reboots I lose the backup camera and when the MMI reboots I also lose collision/parking/proximity sensors. This issue started happening with my Audi on 7/26/25 and can be reproduced every time the ignition is on or car is running. From doing a quick search on the in https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2116529 Sat, 02 Aug 2025 00:00:00 GMT MMI - Multi Media Interface constantly reboots about every 90 seconds. This is a safety issue since if I am backing up and the MMI reboots I lose the backup camera and when the MMI reboots I also lose collision/parking/proximity sensors. This issue started happening with my Audi on 7/26/25 and can be reproduced every time the ignition is on or car is running. From doing a quick search on the in https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2116530 Sat, 02 Aug 2025 00:00:00 GMT MMI - Multi Media Interface constantly reboots about every 90 seconds. This is a safety issue since if I am backing up and the MMI reboots I lose the backup camera and when the MMI reboots I also lose collision/parking/proximity sensors. This issue started happening with my Audi on 7/26/25 and can be reproduced every time the ignition is on or car is running. From doing a quick search on the in https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2115689 Wed, 30 Jul 2025 00:00:00 GMT THE RADIO (MMI SYSTEM) IS REBOOTING WHILE DRIVING EVERY 5-10 MIN. DEALERSHIP CAN'T FIX AND IS AFFECTING SAFETY SYTEMS LIKE FRONT AND REAR CAMERAS/SENSORS. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2115690 Wed, 30 Jul 2025 00:00:00 GMT THE RADIO (MMI SYSTEM) IS REBOOTING WHILE DRIVING EVERY 5-10 MIN. DEALERSHIP CAN'T FIX AND IS AFFECTING SAFETY SYTEMS LIKE FRONT AND REAR CAMERAS/SENSORS. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2115691 Wed, 30 Jul 2025 00:00:00 GMT THE RADIO (MMI SYSTEM) IS REBOOTING WHILE DRIVING EVERY 5-10 MIN. DEALERSHIP CAN'T FIX AND IS AFFECTING SAFETY SYTEMS LIKE FRONT AND REAR CAMERAS/SENSORS. https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2114869 Mon, 28 Jul 2025 00:00:00 GMT I am writing to report a critical and recurring safety defect concerning the Multi Media Interface (MMI) system in my Audi S5. The MMI system consistently restarts itself approximately every 90 seconds, regardless of whether the vehicle is stationary (parking) or in motion (driving). This issue presents a significant safety hazard because critical sensor information and vehicle status displays, w https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2114870 Mon, 28 Jul 2025 00:00:00 GMT I am writing to report a critical and recurring safety defect concerning the Multi Media Interface (MMI) system in my Audi S5. The MMI system consistently restarts itself approximately every 90 seconds, regardless of whether the vehicle is stationary (parking) or in motion (driving). This issue presents a significant safety hazard because critical sensor information and vehicle status displays, w https://plaincars.com/make/audi-s5 https://plaincars.com/make/audi-s5#complaint-2114871 Mon, 28 Jul 2025 00:00:00 GMT I am writing to report a critical and recurring safety defect concerning the Multi Media Interface (MMI) system in my Audi S5. The MMI system consistently restarts itself approximately every 90 seconds, regardless of whether the vehicle is stationary (parking) or in motion (driving). This issue presents a significant safety hazard because critical sensor information and vehicle status displays, w