Seat Belt Retractor Issues

Recalls indicate potential issues with rear seat belt retractors, specifically concerning child restraint system compatibility and locking mechanisms. This can compromise the security of child seats. Estimated repair cost: $300 - $800.

Electrical System Issues

Concerns include potential liquid ingress into the gateway control module and instrument panel display failures, which can lead to loss of critical vehicle functions or information. Estimated repair cost: $400 - $1200.

Recalls have addressed rear axle alignment, which can affect handling and tire wear. This is particularly relevant if the vehicle has undergone prior suspension work. Estimated repair cost: $200 - $500.

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2021 Audi A6 Maintenance guide

Name: Maintenance dataset for 2021 Audi A6
Creator: Carfocal

v1.0Updated Jun 2, 2026Daniel Wilson4 Sources Analyzed6 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Audi A6, with a 'Below Average' reliability verdict, presents a maintenance profile marked by numerous Technical Service Bulletins (TSBs) and a significant number of recalls, particularly concerning seat belts and airbags. Owners should prioritize inspections of these safety systems and be aware of potential electrical and suspension issues.

View Critical Issue: Airbag System Malfunctions

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Reliability Score

Est. Annual Maintenance Cost

$500 - $900

TSBs & Recalls

278 TSBs | 59 Recalls

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Key Takeaways

Prioritize inspections of seat belt and airbag systems due to recall history.
Be aware of potential electrical system issues affecting control modules and displays.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance