There are 3 owner-reported body & structure complaints for the 2006 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
2006 MERCURY MOUNTAINEER, 123,000 MILES. NOTICE (BOTTOM) OF BOX SUBFRAME, LOCATED REAR DRIVER SIDE ONLY. FOWARD OF REAR AXLE, HAS EXCESSIVE CORROSION IN A LENGTH OF 8 TO 10 INCHES. CORROSION HAS ROTTED THROUGH THIS AREA. VEHICLE HAS 123000 MILES ON IT. ALSO VEHICLE HAS SURFACE CORROSION ALL OVER BOTTOM OF SUBFRAME. FORD DID NOT APPLY CORROSION COATINGS ON THIS SUB FRAME PROPERLY. THIS COULD BE A HAZARD FOR OTHER VEHICLES AS WELL AS TIME GOES ON. NOTICE OTHER FORD VEHICLES HAVE NUMEROUS PROBLEMS AND RECALLS WITH SUB FRAME CORROSION, RANGING FROM 2001 THROUGH 2014. FORD'S VENDORS THAT FABRICATE THESE PARTS SHOULD BE UPDATED WITH MODERN PROCEDURES TO APPLY CORROSION PREVENTED COATINGS ON THESE PARTS PROPERLY. SHOULD BE A RECALL ON THESE SECTIONS FOR REPAIR... NO ACCIDENTS, NO ISSUES, AS TIME GOES ON THERE MAYBE PROBLEMS IN THE FUTURE WITH FORD PRODUCTS SUB FRAME CORROSION RESULTING IN ACCIDENTS ON ROADS.
"TAKATA RECALL" PAINTING, SEATS ELECTRIC, LIGHT OF THE ENGINE.
I HAVE A 2006 MERCURY MOUNTAINEER WITH AUTO RUNNING BOARDS. THE RUNNING BOARDS SEEM TO HAVE A MIND OF THEIR OWN. BOTH HAVE BEEN REPLACED BY THE DEALER, THE LATEST WAS 5-5-09. TODAY WHEN OUR DAUGHTER WAS ENTERING THE PASSENGER SIDE THE RUNNING BOARD OPENED UP LIKE IT WAS SUPPOSED TO BUT CLOSED AT ONCE ONTO OUR DAUGHTER FOOT. THE PASSENGER DOOR WAS STILL OPEN WHEN IT CLOSED AND THE RUNNING BOARD WOULD NOT RETRACT. WE WERE VERY LUCKY NOT TO HAVE SUFFERED SERIOUS INJURY. IF SHE HAD BEEN 7 INSTEAD OF 15 I WOULD HATE TO THINK WHAT MIGHT HAVE HAPPENED. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026