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What 46 owners told NHTSA about the 2016 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 (46)Crash / fire / injury (9)Electrical system (15)Backup camera & sensors (6)Transmission & drivetrain (6)Engine (4)Steering (3)Wheels (3)Body & structure (2)Speed control (2)Visibility & wipers (2)Airbags (1)

1 of 46 complaints match · Engine · crash/fire/injury only · clear filters

Feb 18, 2025EngineCrash1 injury

The contact owned a 2016 Ford C-Max. The contact stated that while coming to a stop in a parking lot attempting to obtain mail from a mailbox; the vehicle independently accelerated and it was unknown what gear the vehicle was stationed in. In addition, it was unknown if the brake pedal was depressed or the gear the vehicle was in at the time of the failure. The vehicle had struck and knocked 3 mailboxes down and crashed into the front passenger side corner panel of a Mail Van coming to a stop as it was revving. The vehicle traveled 26 feet from its original stationed position. The vehicle was deemed a total loss. Both front wheels were severely bent outwards after the crash. The air bags did not deploy. The mail delivery employee sought medical attention for cuts and bruises. The contact did not seek medical attention or sustained any injuries. A police report was filed. The vehicle was towed to a tow lot by AAA where it was later taken by the insurance provider for further investigation. The local dealer was not contacted. The manufacturer was made aware of the failure. The failure mileage was approximately 44,530.

NHTSA ODI 11643456

Working with the data? Download all 46 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 2016 Ford Cmax Energi verdict →