1999 Mercury Mountaineer problems and complaints

Owners have filed 166 complaints with NHTSA about the 1999 Mercury Mountaineer. The most-reported areas: Tires (55), Visibility (24), Air Bags (16).

Key takeaways

  • 166 owner complaints on file with NHTSA.
  • 16 involve a crash, 5 a fire, 14 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Tires5533%
Visibility2414%
Air Bags1610%
Vehicle Speed Control127%
Engine And Engine Cooling127%
Service Brakes127%
Electrical System106%
Hydraulic106%
Power Train85%
Equipment64%
Structure53%
Suspension42%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
1999 Mercury Mountaineer 4-DR. 4x4 w/SABNot ratedNot ratedNot ratedNot rated

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Vehicle Speed Control - filed 2018-05-27

CURSE CONTROL OCCASIONALLY MAKES ENGINE ACCELERATE WHILE AND AFTER BRAKE APPLIED WHILE MOVING UNDER 5 MPH AND EVEN WHILE STOPPED WITH BRAKE STILL APPLIED. MORE THAN ONCE A PEDESTRIAN WAS AT RISK IN A CROSSWALK WHILE VEHICLE STOPPED WITH BRAKE STILL APPLIED, THEN ENGINE SUDDENLY BECAME NEAR FULL THROTTLE, REQUIRING EV...

Air Bags - filed 2018-01-07

EXPLODING AIRBAGS FILLED VEHICLE WITH SMOKE AND ASH. I RECEIVED MINOR BURNS AND ABRASIONS ON ARMS AND FACE, DAUGHTER RIDING IN BACK SEAT RECEIVED BLACK EYE FORM FLYING OBJECT AND REQUIRED SCAN OF HEAD TO RULE OUT HEAD INJURY. WAS RESULT OF ACCIDENT

Tires - filed 2016-11-28

TL* THE CONTACT OWNS A 1999 MERCURY MOUNTAINEER EQUIPPED WITH COOPER DISCOVERER H/T TIRES, SIZE: P265/75R15. WHILE DRIVING APPROXIMATELY 70 MPH, A LOUD BANGING NOISE CAME FROM THE REAR OF THE VEHICLE. AFTER STOPPING TO INSPECT THE VEHICLE, IT WAS DISCOVERED THAT THE REAR DRIVER SIDE TIRE HAD EXPERIENCED TREAD SEPARATIO...

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More for the 1999 Mercury Mountaineer

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.