There are 2 owner-reported visibility & wipers complaints for the 2018 Mercedes-Benz GLA-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
to a sunroof bonding issue that could cause water leakage
The contact owns a 2018 Mercedes-Benz GLA250. The contact stated that the rear passenger’s side of the sunroof had raised up, causing the sunroof to fail to close properly. The vehicle had been taken to a certified mechanic who informed the contact that the sunroof needed to be replaced. The vehicle had not been repaired. The contact stated the dealer had been contacted and an upcoming appointment with the dealer was scheduled. The manufacturer was made aware of the failure and confirmed that the VIN was not under recall. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was unknown.
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