Mercury Mariner owners have reported 97 electrical system related problems since 1996. Table 1 shows the 14 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (74 problems). The second most common problem is related to the vehicle's anti-theft controller (3 problems). For details of each of the problem category, use the links in the table.
This is an update to the complaint from June- because I have to compensate manually for the electric power steering, I’ve aggravated upper back injuries and strained hip muscles I incurred from work. Read details...
Tl the contact owns a 2004 Mercury Mariner. The contact stated that while driving at 60 mph, the vehicle stalled and the anti-theft system warning light illuminated. The contact turned off the engine, restarted the engine but the vehicle would jerk while driving. Read details...
Tl the contact owns a 2008 Mercury Mariner. The contact stated that the power steering became inoperbale after the vehicle was cold started. The vehicle was towed to an independent mechanic who located failure code: b2278 (steering torque sensor). Read details...
The contact owns a 2010 Mercury Mariner. While driving approximately 50 mph, an unknown wrench warning indicator illuminated. The accelerator pedal was depressed, but the vehicle failed to accelerate. After waiting a few moments, the vehicle restarted. The failure recurred numerous times. Read details...
Problem started in December 2015, and got progressively worse. Engine would not start when ignition switch was turned to the start position. Had to make several attempts at it, and apply downward force on the key until the necessary contact was made. Once started it seemed to run normal. Read details...