There are 2 owner-reported fuel system complaints for the 2016 Mercedes-Benz GLA-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Smell of gas when turning on heater, fuel leaking on engine block
The check engine light came on. The code reads Emission. They told me it wasn’t covered at Mercedes
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