1989 Mercedes-Benz 420 Recalls
No NHTSA recalls on record for the 1989 Mercedes-Benz 420. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 2 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Fron parked position, when vehicle put in gear, car lunged forward at high speed without engaging accelerator pedal. Break would not stop car. *ak”
“Plastic follower apparently ages independent of mileage. Piece on left head breaks off, follows timing chain over cam gear, left head then out of time fails catastophically bending or breaking all valves and sometimes pistons. Engine halts immediately. Process is documented with pictures at web…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1989 Mercedes-Benz 420 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.