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What 22 owners told NHTSA about the 2017 Ford Cmax Energi

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (22)Crash / fire / injury (3)Speed control (4)Electrical system (3)Steering (3)Transmission & drivetrain (3)Wheels (3)Fuel system (2)Body & structure (1)Engine (1)Hybrid Propulsion System (1)Tires (1)

1 of 22 complaints match · Engine · clear filters

Apr 25, 2024Speed controlEngine

Car accelerated by itself in Drive. I'd to either apply brake or put the car in Neutral to stop it. When shifted back to D, it auto accelerated. After I got home, shut it off and after 10 min. it started working normally.

NHTSA ODI 11585231

Working with the data? Download all 22 complaints as CSV · fetched from NHTSA July 24, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2017 Ford Cmax Energi verdict →