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What 10 owners told NHTSA about the 2018 Ford Cmax Hev
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.
1 of 10 complaints match · Seat belts · clear filters
Aug 2, 2021Seat belts
The contact owns a 2018 Ford C-MAX. The contact stated that the seat belt failed. The contact stated that while the driver’s side rear seat belt was fastened to the car seat, the seat belt tightened up independently on her grandchild’s chest. The contact’s grandchild was unable to breathe properly. The contact was unable to unfasten the seat from the clip. The contact had to cut the seat belt to be able to release the seat belt from her grandchild’s chest. The vehicle was taken to the dealer to be inspected. The contact was informed that the seat belt operated as designed. The seat belt was not repaired or replaced. The manufacturer was not notified of the failure. The failure mileage was 14,000.
NHTSA ODI 11427457
Working with the data? Download all 10 complaints as CSV · fetched from NHTSA July 22, 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 2018 Ford Cmax Hev verdict →