Mercury Mountaineer owners have reported 33 exterior lighting related problems since 1996. Table 1 shows the 8 most common exterior lighting problems. The number one most common problem is related to the vehicle's exterior lighting (20 problems). The second most common problem is related to the vehicle's brake light switch (3 problems). For details of each of the problem category, use the links in the table.
The contact owns a 2010 Mercury Mountaineer. While the contact's wife was driving 70 mph, she depressed the brake pedal and the front driver's seat started to slide backwards and the interior lighting illuminated. There were no warning indicators illuminated. Read details...
Brake lights were not lighting. Fuse was blown, replaced fuse, stepped on brake pedal, then poof of smoke at fuse inside, and under hood smoke continued for 2 minutes. Found connector for switch on master cylinder was melted and switch is still bad. Read details...
While driving, headlights will come off and on by themselves this has happened at night and was very dangerous. Dealer could not duplicate. Customer adds heat blows cold air. Dealer found blend door motor and blend door to be faulty. Read details...
Windshield wipers would intermittently come on while switch is in off mode, or when turn signal is used. Also wiper would stop working while operating. Dealer notifed and waiting on repair parts. Read details...
The turn signal curves downward and conacts the driver's left knee turning the right turn signal off due to poor design of the levers. Yh Read details...