Battery Problems of Mercury Mountaineer

Mercury Mountaineer owners have reported 6 problems related to battery (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Mountaineer based on all problems reported for the Mountaineer.

1 Battery problem of the 2003 Mercury Mountaineer

Failure Date: 05/29/2012

The inside dome lights and the lights on the outside side mirrors do not go off until 15 to 20 min's after it has been alarmed this has run down my battery I had to buy a new battery.

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2 Battery problem of the 2008 Mercury Mountaineer

Failure Date: 11/01/2011

The contact owns a 2008 Mercury Mountaineer. The contact stated that the driver seat would move backward and the interior lights remained illuminated while driving. The failure continued numerous times. The vehicle was taken to a local mechanic who replaced the battery, but the failure was not corrected. The manufacturer was made aware of the failure. The VIN was not available. The failure mileage was 45,000 and the current mileage was 51,000. Updated 04/23/12.

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3 Battery problem of the 2005 Mercury Mountaineer

Failure Date: 12/11/2010

My 2005 Mercury Mountaineer loses power for no reason. This is the fourth time this has happened. It was been to the dealer multiple times and they cannot find a problem. There is nothing to foresee when it happens, the only consistency has been that luckily I have been on local roads doing no more than 35 miles per hour or so. First battery light and service engine comes on as the engine stops, then low oil. The car does not seize up, I can steer to the side of the road. If I put it back in park. Turn the ignition off, and then restart it is fine. There is considerable length of time between occurrences (months if not close to a year this time. ).

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4 Battery problem of the 2004 Mercury Mountaineer

Failure Date: 09/04/2009

While driving 35-45 mph, car suddenly shut down. Check engine light and battery light came on. Loss of power steering, power brakes, acceleration. Maneuvered vehicle to nearby parking lot, waited, and then restarted the vehicle. No problem in restarting vehicle and all warning lights were off. Used cruise control prior to incident. Intermittent problem; unable to re-create for Ford dealer to diagnose. New battery was installed by Ford dealer in winter 2009.

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5 Battery problem of the 2004 Mercury Mountaineer

Failure Date: 11/16/2004

While driving 40-45 mph and using the cruise control, car suddenly shut down. Check engine light and battery light came on. Loss of power steering, power brakes, acceleration. Was able to steer SUV to off the road but was very difficult to do so. Nearly ran off a 10 to 12 foot drop off into a drainage ditch. This has happened several times before. Car max (where we bought SUV could not duplicate the issue so they sent it to metro Ford in independence, mo and on the first time it happened replace the throttle position sensor but that did not fix the problem). The wrench and fail safe mode came on this last time but the persons repairing it indicated they found no codes for it and were unable to re-create to diagnose. From research I know this is a problem with other vehicles of this type (both the loss of electrical power and the no code found situation) but we came very close to an injury related accident because of this.

6 Battery problem of the 1999 Mercury Mountaineer

While driving vehicle cut off without prior warning, causing loss of steering. Also, headlights went out. Consumer has contacted dealer, dealer has replaced the battery. Please provide any further details.

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Other Common Electrical System related problems of Mercury Mountaineer



Fuel Economy of Mountaineer Vehicles
Mountaineer Service Bulletins
Mountaineer Safety Recalls
Mountaineer Defect Investigations