Audi S3 2015–2016 — technical service bulletin
Bulletin A421526 2042645- · NHTSA communication 10123659 · issued Dec 4, 2015
Technical service bulletin
communication type
Suspension
component
2015–2016
model years
2
vehicle entries
Official summary
Customer may report hearing rumbling noises from the rear of the vehicle when driving on very uneven roads or over potholes. This bulletin only applies to S3 vehicles with Audi magnetic ride. The rear shock mounts are causing the noises.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.