2021 Audi S7 Problems: 8 Known Issues
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
2021 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
2021 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi S7 has 8 documented known issues, with 6 rated critical. The most serious are Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS), Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC), Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034), Rearview Camera Image May Not Display (Recall 25V900 / 90TV), Incorrect Brake-Fluid Reservoir Cap Label (Recall 23V601 / 47T9) and Rear-Seat Liquid Spill Can Shut Down Gateway Module (Recall 22V861 / 90V2). Across all issues with published estimates, repair costs range from $250 to $1,800. DIY maintenance guides at au7o.io.
TIRES
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.
AIR BAGS
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air bag may not have been manufactured correctly.
SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may stick, causing an inaccurate fuel level reading to be displayed on the instrument cluster.
ELECTRICAL SYSTEM
Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi S7 has 8 documented issues. The most frequently reported are: Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS), Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC), Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034). Of these, 6 are rated critical and should be addressed promptly.
The 2021 Audi S7 has 8 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 6 issues are rated critical: Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS) and Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC) and Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034) and Rearview Camera Image May Not Display (Recall 25V900 / 90TV) and Incorrect Brake-Fluid Reservoir Cap Label (Recall 23V601 / 47T9) and Rear-Seat Liquid Spill Can Shut Down Gateway Module (Recall 22V861 / 90V2). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Audi S7 issues range from $250 to $1,800, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Certain 2021 S7 rear automatic-locking retractors can deactivate early, preventing a child restraint from remaining secured as required by FMVSS 208. Severity: high.
Certain 2021 S7 instrument-panel modules can fail because of a software error, hiding the speedometer or safety warning indicators. Severity: high.
Certain 2020-2021 S7 rear trailing-arm lock nuts can fracture from stress corrosion and misalign the rear axle. A follow-up recall covers vehicles whose alignment and tire condition may not have been checked after the first repair. Severity: high.
Within the official 25V900 Part 573 model scope, certain 2020-2024 S7 vehicles can fail to display the rearview-camera image as intended because of a software error. Severity: high.
Certain 2021 S7 vehicles may have an incorrectly labeled brake-fluid reservoir cap, which can lead to use of the wrong fluid and reduced braking ability. Severity: high.
On certain 2020-2022 S7 vehicles, liquid spilled in the rear seat can reach the gateway control module, shut it down, and suddenly reduce engine power. Severity: high.
Owners of the heavy A7/S7 frequently report premature front brake wear and rotor warping, with some replacing front rotors multiple times in well under 50k miles. The OEM rotors are relatively soft and reach minimum thickness after roughly one pad set, and uneven pad engagement l… Repairs typically run $600-$1,800. Severity: medium.
The S7's large Sportback hatch uses a power liftgate driven by spindle/lift motors and supported by gas struts. Over time the gas struts lose pressure and the motors wear, so the hatch opens slowly or struggles, opens a few inches and stops, won't stay up (slowly drifting closed… Repairs typically run $250-$1,200. 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.