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.
While I was driving the vehicle on the freeway there a single popping noise that sounded to be below the vehicle. Immediately after there was a big trail of white smoke coming from beneath the vehicle. When I was able to pull over and got out of the vehicle there were flames visible and the fire quickly grew.
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
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.