NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2022 Mercedes-Benz A-Class. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
Data synced from NHTSA on May 4, 2026
Sunroof shattered while driving on interstate.
engines containing pistons that prematurely fail, forcing full-engine replaced all 4 pistons replaced . Car would die/ shut down, sputter , rock shake excessively and want to not go, 22307 WRO 103114. DIAG 15.5, LI01.30-P-072328,, C&D BATTERY CHARGER. PERFORMED SHORT TEST. FOUND CODE P219F78. R&R SPARK PLUGS.PERFORMED LEAK CHECK WITH SPARK PLUGS REMOVED. FOUND CYLINDER #04 LEAKING. R&R WHEELS. R&R UNDER BODY PANELS AT ENGINE COMPARTMENT. RELIVE FUEL PRESSURE. D&C BATTERY GROUND. DRAINED AND FILLED COOLANT.R&R CYLINDER HEAD. INSPECTED CYLINDER HEAD FOR LEAKS. FOUND THE EXHAUSTVALVE ON CYLINDER #04 IS WORN AND LEAKING. REPLACED THE CYLINDER HEAD. REPLACED OIL AND FILTER .window Electric unit the computer not pairing or working , windshield wipers not working