1.8

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
90,500 miles

About These NHTSA Complaints:

The NHTSA is the US gov't agency tasked with vehicle safety. Complaints can be spread across multiple & redundant categories, & are not organized by problem. See the Back button — blue bar at the very top of the page — to explore more.

Get notified about new defects, investigations, recalls & lawsuits for the 2010 Mercury Mountaineer:

Unsubscribe any time. We don't sell/share your email.

problem #1

Dec 012019

Mountaineer

  • 90,500 miles
Doors locking mechanism malfunctioning and coding numbers not functioning. Being locked out when using code #S. chain crankin harshly but not unlocking doors. When using key instead of code key does not unlock nor lock any doors except drivers door lock.

- Stratham, NH, USA