There are 2 owner-reported suspension complaints for the 2020 Mercedes-Benz GLB-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Front and rear suspension/control arms appears to have squeaky noises when approaching a turn or going a speed bump.
The integral carrier that supports the front axle caused it to fail. Front axle carrier failed and resulted in a loss of steering control, and hit the curb. Luckily, there was no crash, although the Manufactured had warned about the risk of a crash. Here is a recall description: NHTSA ID: 21V990000 Issued: Dec 12, 21 Number of Vehicles: 00038312 STEERING Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 AMG GLB35, 2019-2020 A220, and 2020 GLB250 vehicles. The integral carrier that supports the front axle may corrode, causing it to fail. Front axle carrier failure may result in a loss of steering control, increasing the risk of a crash. Dealers will inspect and replace the integral carrier, as necessary, free of charge. Owners were notified of the safety risk on January 28, 2022. A second letter will be sent once the remedy is available. Owners may contact MBUSA customer service at 1-800-367-6372.
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 Apr 25, 2026