2006 Mercury Mountaineer problems, complaints & recalls
Most-reported problem areas: Power Train:automatic Transmission (23) · Engine And Engine Cooling:cooling System (16) · Engine And Engine Cooling (14)
🧭 Reliability snapshot
Compared against other Mercury Mountaineer model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
94 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (37)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train:automatic Transmission 2023-09-07 · SSM 51909 · Service Bulletin/Repair Instructions
when performing any transmission fluid changes or topoffs involving mercon sp, mercon lv has replaced all versions of mercon sp and can be used going forward. mixing mercon lv and mercon sp in the same transmission is acceptable. after 30-jun-2023, mercon sp atf will no longer be manufactured and wi
Structure 2019-02-07 · TSB 19-2026 · Service Bulletin/Repair Instructions
some 2000 and newer ford, lincoln and mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. panel replacement is recommended. follow the service procedure steps to correct the condition
Structure 2019-02-07 · TSB 19-2026 · Service Bulletin/Repair Instructions
some 2000 and newer ford, lincoln and mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. panel replacement is recommended. follow the service procedure steps to correct the condition
Steering 2018-10-02 · DOR-S3J9G-11 · Service Bulletin/Repair Instructions
this sku is a front upper ball joint. the customer communication requested return of unsold inventory to inspect for ball studs with excessive rotational friction in the ball joint assembly. excessive friction in the ball joint assembly may cause a perceptible increase in steering effort.
Equipment 2018-06-01 · SSM 47331 · Service Bulletin/Repair Instructions
various vehicles equipped with a 4.6l, 5.4l, 6.8l modular 3 valve engine built on or before 8-jan-2016 may exhibit symptoms that may include upper end engine noise, rough running, misfire and/or engine damage. if diagnosis leads to only camshaft/camshaft roller follower(s) requiring replacement, rep
Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe 2016-09-21 · SSM 46085 · Service Bulletin/Repair Instructions
the powertrain control/emissions diagnosis (pc/ed) manual has been revised for diagnosing electronic throttle bodies (etbs). the etc_act and etc_dsd pids should not used to diagnose possible etb concerns. the ids has a limited refresh rate when reading these pids and cannot display quickly enough to
Showing the 6 most recent of 37 bulletins. Search all of them free at nhtsa.gov.
What owners report
2022-12-27 · Engine And Engine Cooling:cooling System:radiator Assembly · 143,869 mi“the contact owns a 2006 mercury mountaineer. the contact stated that her husband informed her that the vehicle had experienced an unknown radiator failure. the vehicle was taken to an independent mechanic, where the radiator was replaced; however, the failure reoccurred. the vehicle was repaired for a second time by an independent mechanic; however…”
2021-09-05 · Unknown Or Other“my shifter continuously won’t come out of park. multiple other people with the same kind of vehicle have posted on forums with the same issue. it’s happened weekly for a year or more. i keep getting told there’s a recall on it but can’t find it.…”
2021-07-18 · Unknown Or Other“there is a known issue with the cluster panel’s relay that has caused my headlights to flash off and on randomly as it malfunctions. …”
2021-04-22 · Wheels“my car will jerk as i'm driving rpms going high while no speed is picking up. with jump out of gear when at stop light. loud grinding noise from tires could have foot all the way down on gas petal and go no faster.…”
2019-10-20 · Structure:body · 123,000 mi“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 c…”
2019-04-08 · Power Train · 166,000 mi“the gear shaft will stop my car from starting when i turn it off. it will also make my car vut off while driving..the button on the gear stick will get stuck and i am able to shift gears...when the car is not started and my foot is not on the breaks. even when the button is not stuck, it still will get stuck in park and wont let me start my car..a…”
2018-05-26 · Unknown Or Other · 100,000 mi · 💥 crash“the driver seat motor messed up causing the to be stationary. the seat wont move forward and backward.the air conditioning on the driver side doesn't blow cold , the dash and radio lights brighten and dim sporadically and the third row seats don't work, the gear stripped out. also, the bushings on the feont and rear have had to be replaced.…”
2018-01-09 · Unknown Or Other“i live in quincy, ma. when it snows or gets cold the car intermittently, majority of time in reverse, locks in reverse, self accelerating, and even when i brake it overrides the braking system. last night it actually self displayed the 4x4 light on dashboard. when i mean accelerates, i mean uncontrollable acceleration.…”
2017-09-07 · Unknown Or Other · 42,000 mi“i purchased this vehicle recently with only 40,000 miles. the car keeps stalling or dying as you may say as i drive. it will be okay for a short period of time and then just die right on the highway! once it dies once, the car will continue to do so over and over again until the engine has cooled down. i have the engine codes of p2104, p2111 an…”
2017-01-17 · Power Train · 154,758 mi“tl* the contact owns a 2006 mercury mountaineer. while the vehicle was stationary, it would not reverse when prompted. the vehicle was not diagnosed or repaired. the manufacturer was not made aware of the failure. the failure mileage was 154,758. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.