There are 1 stored owner reports matching the visibility & wipers leading-label group for the 2020 Mercedes-Benz GLB-Class in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2020 Mercedes-Benz GLB250. The contact stated that while driving 65 - 70 mph, a loud noise was heard, and the sunroof glass exploded. The glass shards fell inside the vehicle. There was no impact on the sunroof that could have caused it to shatter. Another vehicle driving from behind the contact’s vehicle informed the contact that a gray object detached from the contact’s vehicle and hit the other vehicle’s frame and cracked the windshield. A police report was filed. No injuries were sustained. The vehicle was towed to the dealer. The vehicle was not repaired and remained at the dealer. The manufacturer was made aware of the failure. The failure mileage was approximately 18,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.