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2008 Mercury Mountaineer electrical problems

severe 37 complaints filed with NHTSA · avg repair $850

Complaints
37
Recalls
0
Crashes
2
Avg fix
$850

What owners are reporting 10 most recent

electrical · filed 12/17/2014

WHILE DRIVING BETWEEN 50 - 65 MILES PER HOUR THE ELECTRIC DRIVER SEAT WILL MOVE BACK INTO THE OPEN DOOR PARK POSITION AND THE INSIDE LIGHTS WILL COME ON. HAS HAPPENED MULTIPLE TIMES SINCE OCTOBER 2014. THERE IS NO SET PATTERN, IT IS COMPLETELY RANDOM. *TR

electrical · filed 12/13/2014

I WAS DRIVING MY VEHICLE AND A LIGHT CAME ON THAT SAID CHECK THE CHARGING SYSTEM, THE CAR'S ELECTRICAL SYSTEM COMPLETELY CRASHED AND ALL THE ELECTRICAL POWER TO THE CAR DIED AND IT LITERALLY TURNED OFF WHILE I WAS DRIVING IT IN THE MIDDLE OF THE STREET. NOW EVEN WITH A REPLACED BATTERY AND ALTERNATOR IT WILL ONLY START WITH A JUMP AND CONTINUES TO SAY THE CHARGING SYSTEM NEEDS TO BE CHECKED. TH…

electrical · filed 12/12/2012

PURCHASED A USED 2008 MERCURY MOUNTAINEER ALMOST A YEAR AGO, IN APPROX OCT 2012 THE DRIVER'S SEAT STARTED MOVING BACK AND FORTH WHILE DRIVING. WHEN THE SEAT MOVED BACK IT WAS ALMOST SO FAR BACK I COULDN'T HOLD ONTO STEERING WHEEL OR KEEP FOOT ON BRAKE PEDAL. TOOK VEHICLE TO MCCOY MILLS FORD AND THEY COULD NOT DUPLICATE OCCURRENCE. SINCE THAT DATE THIS HAS HAPPENED MULTIPLE TIMES AND I FIGURED O…

electrical · filed 12/07/2017

AFTER APPROXIMATELY 90,000 MILES THE DOME LIGHTS TURNED ON AND AUTOMATIC SEATS MOVE BACK WHILE DRIVING. THIS ISSUE PERSISTS AND OFTEN OCCURS SEVERAL TIMES. THERE ARE SEVERAL COMPLAINTS OF THIS ISSUE FOUND ONLINE. IT IS NOT DUE TO A HEAVY KEY CHAIN AS I ONLY HAVE THE FOB AND KEY ATTACKED. THIS IS A SAFETY ISSUE AS THE SEATS PULL THE DRIVER AWAY FROM THE PEDALS AND STEERING WHEEL. INVESTIGATE! R…

electrical · filed 11/28/2016

WHILE DRIVING VEHICLE MY SEAT WILL DECIDE TO MOVE ON ITS OWN AND PULL ME AWAY FROM THE PEDALS ALSO THE DOME LIGHT COMES ON AND IT DOES THIS ALL THE TIME VERY DANGEROUS NOW MY CAR WILL NOT START AT ALL DUE TO THE IGNITION SWITCH I BELIEVE. *TR

electrical · filed 11/25/2019

DRIVER SEAT ELECTRICAL ADJUSTMENT WILL MOVE ITSELF BACKWARDS WHILE CAR IS MOVING. THERE IS NO PATTERN TO THIS PROBLEM, IT IS RANDOM.

electrical · filed 11/09/2016

WHILE DRIVING THE DRIVER SEAT AUTOMATICALLY GOES BACK AND THE INTERIOR LIGHT COMES ON...THIS IS GONNA CAUSE AN ACCIDENT CUZ WHEN THE SEAT GOES BACK THE MEMORY KEY FOR THE SEAT POSITION DOESNT WORK UNTIL U TURN THE IGNITION OFF AND BACK ON AGAIN, ONCE THE SEAT GOES BACK I CANT REACH THE BREAK OR PEDDLE. THIS IS DANGEROUS SITUATION AND ISEE IM NOT THE ONLY ONE HAVING THIS ISSUE? IT HAPPENS SEVERAL T…

electrical · filed 10/25/2013

THE ISSUE STARTED OUT WHILE WE WERE DRIVING; THE SEAT WOULD MOVE TO THE EASY EXIT FEATURE AND THE DOME LIGHTS WOULD COME ON AS THOUGH THE KEY WAS REMOVED FROM THE IGNITION. IT'S NOW MORE FREQUENT AND HAPPENS WHEN YOU PUT THE KEY IN THE IGNITION. TURNING THE KEY SLIGHTLY WILL PUT IN BACK INTO THE DRIVING POSITION. THIS IS A SERIOUS DRIVING HAZARD AS YOU'RE MOVED VERY FAR AWAY FROM THE STEERING WHEE…

electrical · filed 10/23/2017

WHILE DRIVING DOWN THE ROAD, THE SEAT WILL SUDDENLY MOVE BACKWARDS TO THE "OPEN DOOR" POSITION, AS THOUGH THE KEY HAD BEEN PULLED OUT OF THE IGNITION. THIS CREATES A VERY DANGEROUS SITUATION, ESPECIALLY FOR PEOPLE WITH SHORT LEGS, AS ONE CAN NO LONGER REACH THE GAS PEDAL OR BRAKE. SLIGHTLY "WIGGLING" THE KEY OR IGNITION SWITCH WILL USUALLY GET THE SEAT TO MOVE BACK TO THE PRESET DRIVING POSITION…

electrical · filed 10/23/2013

THERE IS A RECURRING PROBLEM THAT THE SEAT WILL AUTOMATICALLY GO INTO THE "EASY EXIT" POSITION. THIS IS NOT A PROBLEM FOR ME AS I DRIVE WITH THE SEAT AS FAR BACK AS POSSIBLE, BUT THIS IS A HUGE SAFETY CONCERN FOR MY WIFE. WHY HASN'T THIS BEEN RECALLED YET? THIS SEEMS TO BE A COMMON PROBLEM IN THIS MAKE AND MODEL. GOD FORBID THE ELECTRICAL PROBLEM WORSENS AND CAUSES A FIRE. *TR

Common questions

How serious is the electrical problem on the 2008 Mercury Mountaineer?

It's a meaningful issue. 37 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.

At what mileage does the electrical typically fail?

Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.

What does it cost to fix?

Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.

Are there any recalls related to electrical?

No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.

Other problem areas on this vehicle

Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are independent-shop national averages and may differ in your area. Some links on this page are affiliate links.
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