2002 Mercury Mountaineer problems & reliability
372 owner complaints filed with NHTSA for the 2002 Mercury Mountaineer, alongside 2 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
25 complaints report injuries (38 injured).
Federal crash records (FARS 2020–2023): 2002 Mercury Mountaineer vehicles were involved in 22 fatal crashes with 19 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train | 144 | 39% |
| Structure | 70 | 19% |
| Suspension | 36 | 10% |
| Engine and Engine Cooling | 33 | 9% |
| Visibility | 31 | 8% |
| Steering | 23 | 6% |
| Air Bags | 20 | 5% |
| Electrical System | 19 | 5% |
| Vehicle Speed Control | 18 | 5% |
| Service Brakes, Hydraulic | 17 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 75,000 miles (middle 50% between 52,587 and 106,000 miles), based on 257 complaints that included mileage.
Complaints by incident year
What owners report
“Aftermarket rack and pinion system re-manufactured by Detroit Axel began leaking fluid and caused a loss of power steering within 3 months of purchase. A second unit was installed and after about a year had the exact same failure as the first unit. Also resulting in the loss of power steering. It is my contention that…”
Steering · filed Dec 27, 2023
“Body : to much rust, corrosion, on rear of truck other failure or detachment of exterior body like rear gate frame components, and other structural components that may present a safety hazard. Electrical : electrical systems and items such asa wiring and cable on or inside the door, ignition switch cover detach…”
Electrical System · filed Jun 18, 2022
“Heard a pop noise under hood. Engine shut off battery light came on. Went to open hood and there was a fire.”
Unknown OR Other · filed May 10, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Vehicle Rollaway Allegations
Engineering Analysis EA09013 · opened Aug 18, 2009 · closed Feb 12, 2013
- SPARK PLUG EJECTION FROM CYLINDER HEAD
Defect Petition DP05005 · opened Sep 22, 2005 · closed Jan 4, 2006
- STUCK ENGINE THROTTLE
Preliminary Evaluation PE05037 · opened Jul 7, 2005 · closed Nov 2, 2005
- REAR LIFTGATE GLASS ASSEMBLY
Preliminary Evaluation PE04045 · opened Jun 2, 2004 · closed Sep 28, 2004 · led to recall 04V442000
- MIS-ASSEMBLED AIRBAG CLOCKSPRING
Engineering Analysis EA02010 · opened Jul 2, 2002 · closed Feb 25, 2003
Technical service bulletins
247 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2002 Mercury Mountaineer. The 10 most recent:
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…
TSB 19-2026 · Service Bulletin/Repair Instructions · issued Feb 7, 2019
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…
TSB 19-2026 · Service Bulletin/Repair Instructions · issued Feb 7, 2019
Ford: some vehicles may exhibit oil separation from the internal lube found in the unitized cartridge seal. Oil separation appears to be and is often misdiagnosed, as an axle lube leak. *pe
TSB-08-19-3 · Service Bulletin/Repair Instructions · issued May 1, 2009
Some 1997-2008 vehicles equipped with a 4.6l 2v, 5.4l 2v, or 6.8l 2v engine--spark plug thread repair procedure--not covered under new vehicle limited warranty. *nj this includes f-53 motorhome chassis. Updated 2/23/10…
07212 · Service Bulletin/Repair Instructions · issued Oct 1, 2007
Malfunction indicator lamp on with pcm diagnostic trouble code p0463 and/or ic diagnostic trouble code b1201 - fuel gauge drops to empty or slow to update after refueling. *tt
05213 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Limited slip axle chatter, shudder, binding sensation, or vibration during low speed turning maneuvers. *tt
06216 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Extended coverage program 05n04 - extended coverage for composite intake manifold. This program is being provided as a settlement to a class action lawsuit. The terms of the settlement extend the coverage of the…
05N04 · Service Bulletin/Repair Instructions · issued Dec 14, 2005
Wds cop kit diagnostic tip - coil on plug (cop) ignition systems - engine misfire or rough running. *tt
041601 · Service Bulletin/Repair Instructions · issued Nov 14, 2005
Fuel gauge slow to update after refueling. *eh
042115 · Service Bulletin/Repair Instructions · issued Oct 31, 2005
Noise from rear wheel hub bearings. *tt
051710 · Service Bulletin/Repair Instructions · issued Oct 7, 2005
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2002 Mercury Mountaineer has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2002 Mercury Mountaineer?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 75,000 miles — budget accordingly if the car is approaching that mileage.