2007 Mercury Mountaineer problems, complaints & recalls
Most-reported problem areas: Seats (22) · Power Train (14) · Vehicle Speed Control (6)
🧭 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
67 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (22)
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 22 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-06-18 · Power Train · 78,000 mi“the contact owns a 2007 mercury mountaineer. the contact stated that after shifting the transmission from park(p) to reverse(r), the vehicle failed to respond. the contact removed and reinserted the fob key in the ignition to correct the failure. the vehicle was taken to an independent mechanic, who diagnosed that an unknown transmission part neede…”
2025-05-14 · Seat Belts“i buckle the seat belt and it just comes unbuckled spontaneously when i’m driving. i check to see if the seat belt is secure by pulling on it. it seems secure but still unbuckles. i usually have to redo my seatbelt every 5 minutes. i do not feel like it will keep me safe in a collision …”
2024-05-03 · Tires:sidewall“ my husband had purchased 4 brand new cooper tires evolution h/t m+s size p235 / 65 r 18 a number of years ago. my husband has since passed away. i cannot find my sales receipt due to the fact my husband had paid for the tires in question. i do not know what he did with the sales receipt. i have a few good-faith efforts and attempts to bring thi…”
2023-05-04 · Engine“if you set cruise control while driving under 45 mph the engine shuts off. …”
2023-01-19 · Seats“it happens every time i drive this vehicle. the ignition is lose, so the key jiggles and if their is too much bumping or shaking the key slightly moves and the seat and interior lights come on now i’ve tried combat the issue with keeping the lights off on the interior and thought maybe i could turn off the seat function still haven’t figured that o…”
2022-08-18 · Unknown Or Other“i was driving on the expressway and my truck just shut off. the car panel illuminati to a check engine light and a wrench. i had to put on my caution light and make it to the shoulder. that was scary. i sat for 10 minutes before it started back up. i've taken it to the dealership and all they did was guess what the problem could be. they said it mi…”
2021-04-12 · Power Train · 137,000 mi“had to replace transmission completely at 137,000 miles. there's been a lot of complaints about these transmissions at this mileage and ford should be responsible for some of the cost. this is ridiculous.…”
2019-10-24 · Power Train · 130,000 mi“i had to replace the transmission and some other related parts in my vehicle and i was informed by a dealership that there was a "silent recall" on this transmission and that even though ford motor company was aware of the issues as early as 2000 they continue to install them in vehicles. if you look online you will see quite a number of complaint…”
2019-10-10 · Unknown Or Other · 215,297 mi“can't register my vehicle because i'm told that the catalytic converter is not legal for use in california, and it is not available after an extensive nation wide search of different catalytic converter manufacturers. how or can you help me to resolve this matter.…”
2019-09-06 · Unknown Or Other · 5 mi“1st while driving the driver's seat continues to move back n forth from way back to up close driving this vehicle while this seat moves is very dangerous everytime i lock the doors they unlock n only lock when off…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.