There are 1 owner-reported brakes complaints for the 2021 Polestar Polestar 2in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Under regen braking the car has very loud ticking in the rear and feels as if the axles are sheering themselves. Looking into the issues with other owners the culprit is the ERAD motor turns to recoup the energy. It looks like this component is used in a wide variety of Volvo based vehicles like this one and other models report the same issue. The worry comes with failure, as this is a braking component, failure while braking would be highly dangerous.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on May 4, 2026