6.5

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
11,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2017 Ford C-Max engine problems

engine problem

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2017 Ford C-Max Owner Comments

problem #3

Apr 252024

C-Max

  • miles

A D V E R T I S E M E N T S

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.

- Glen Allen, VA, USA

problem #2

Mar 132020

C-Max

  • 33,000 miles
The car was in acceleration mode at every speed on the highway, residential streets, at stop signs, always exceeding the speed limits. I continually braked to maintain control. Tires squealed when I released the brake at stop signs. There was nothing under the gas pedal. I didn't dare drive into the garage; the car would have been in the kitchen. When I put it in park, engine still revved.

- Elk Grove Village, IL, USA

problem #1

Mar 132020

C-Max

  • 1 miles
Uncommanded acceleration. The car accelerated to above highway speed, and required continual breaking to maintain control. When home and in park, engine continued to rev to max. Shut car down, and when restarted it returned to normal operation. No obstruction of gas pedal.

- Elk Grove Village, IL, USA

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