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2009 Mercury Mountaineer

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 5 of 6 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Seats. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Electrical System complaints

1 reports
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71,000 miles · May 19, 2014
Electrical SystemSeats

HAVE A 2009 MERCURY MOUNTAINEER WITH 71,000 MILES. IN THE PAST 10 DAYS, HAVE HAD FOUR INCIDENTS WHERE, WHILE DRIVING, THE DRIVER'S SIDE POWER FRONT SEAT HAS SUDDENLY REVERTED TO THE EASY EXIT POSITION. WE BOUGHT THIS CAR USED WITH 22,000 MILES. HAVE HAD THE CAR FOR FOUR YEARS. MY WIFE AND I ARE TALL; HOWEVER, EVEN AT THAT, …

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HAVE A 2009 MERCURY MOUNTAINEER WITH 71,000 MILES. IN THE PAST 10 DAYS, HAVE HAD FOUR INCIDENTS WHERE, WHILE DRIVING, THE DRIVER'S SIDE POWER FRONT SEAT HAS SUDDENLY REVERTED TO THE EASY EXIT POSITION. WE BOUGHT THIS CAR USED WITH 22,000 MILES. HAVE HAD THE CAR FOR FOUR YEARS. MY WIFE AND I ARE TALL; HOWEVER, EVEN AT THAT, WHILE DRIVING AT SPEEDS BETWEEN 55-70 (ON TURNPIKES AND MAJOR HIGHWAYS), THIS IS STILL AN ISSUE. TOOK CAR TO A FORD DEALER IN READING, PA - ON A SATURDAY (MAYBE THEY DON'T DO AS MUCH INTENSIVE DIAGNOSTICS ON WEEKENDS?) RECENTLY WHO FOUND NO ISSUES ALTHOUGH THEY INDICATED OTHER MOUNTAINEERS OF THE 2002 OR 2005 MODELS HAD SIMILAR ISSUES AND IT APPEARED TO BE AN PROBLEM WITH THE IGNITION SWITCH. DID NOT GET THE IGNITION REPLACED BUT THE SEAT MOVED AGAIN TODAY WHILE MY WIFE DROVE THE CAR. WILL GO BACK TO THE FORD DEALER DURING THE WEEK TO GET MORE INTENSIVE DIAGNOSTICS. *JS

NHTSA ODI #10592417

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.