Problems · NHTSA complaints
2016 Ford Cmax Energi problems
Owners filed 46 complaints about the 2016 Ford Cmax Energi with NHTSA between Apr 2016 and Jan 2026. The most-cited component is electrical system (15).
Complaints
46
Filed with NHTSA
Crashes
7
Reported by owners
Fires
1
Reported by owners
Injuries
7
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Electrical system15
- Back over prevention6
- Power train6
- Engine4
- Steering3
- Wheels3
- Visibility/wiper2
- Structure2
- Vehicle speed control2
- Lane departure1
- Equipment1
- Seats1
- Seat belts1
- Service brakes, hydraulic1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
5
3
4
6
7
7
5
2
5
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Electrical system
15 reports
“The contact owns a 2016 Ford C-Max Energi. The contact stated that while charging the hybrid battery, the battery stopped charging after 15-16 minutes. The contact stated that the battery could only be charged for 15-16 minutes at a time. The contact stated that there was a red triangle warning light illuminated on the charger but there was no warning light illuminated on the vehicle. Additionally, the contact stated that the mileage range of the vehicle per charge was decreasing continuously. The vehicle was taken to dealer several times to be diagnosed; however, the cause of the failure could not be determined. The vehicle was taken to another dealer, Gator Ford (11780 Tampa Gateway Blvd, Seffner, FL 33584), where it was diagnosed that the hybrid battery had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 50,000.”
Back over prevention
6 reports
“The contact owns a 2016 Ford C-Max Energi. The contact received notification of NHTSA Campaign Number: 25V695000 (Back Over Prevention); however, the part to do the recall repair was not yet available. The contact stated that while in reverse(R), the rearview camera failed to display an image as intended on the center digital screen. No warning light was illuminated. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 54,000.”
Power train
6 reports1 crash
“The contact owns a 2016 Ford C-Max. The contact stated that while driving at an undisclosed speed, she heard an abnormal sound emanating from the engine compartment, prompting her to discontinue driving the vehicle. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the transmission. The contact was informed that the transmission would need to be replaced. The vehicle was not repaired. The contact stated that the transmission had previously been replaced 3 years prior. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA hotline for assistance. The failure mileage was 49,000.”
Engine
4 reports1 crash
“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.”
Steering
3 reports1 crash
“The contact owns a 2016 Ford C-Max Energi. The contact stated that while operating the vehicle, the message "Service Power Steering" was displayed, and the steering wheel suddenly became difficult to turn in either direction. The vehicle was taken to the local dealer who diagnosed that the steering rack was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer has not yet contacted. The failure mileage was 37,200.”
Wheels
3 reports
“In the course of routine maintenance, it has been brought to my attention that Stock Ford lug nuts have "Swelled" and can not be removed using normal methods, making on the road tire replacement impossible. Ford states this is a known issue with defective Ford lug nuts.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.