2000 Mercury Mountaineer problems & reliability
123 owner complaints filed with NHTSA for the 2000 Mercury Mountaineer, alongside 6 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.
10 complaints report injuries (17 injured).
Federal crash records (FARS 2020–2023): 2000 Mercury Mountaineer vehicles were involved in 10 fatal crashes with 11 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 |
|---|---|---|
| Vehicle Speed Control | 28 | 23% |
| Tires | 22 | 18% |
| Electrical System | 19 | 15% |
| Power Train | 15 | 12% |
| Air Bags | 9 | 7% |
| Seats | 7 | 6% |
| Equipment | 6 | 5% |
| Service Brakes, Hydraulic | 6 | 5% |
| Structure | 6 | 5% |
| Suspension | 6 | 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 70,000 miles (middle 50% between 39,875 and 125,835 miles), based on 60 complaints that included mileage.
Complaints by incident year
What owners report
“The contact's daughter owns a 2000 Mercury Mountaineer. The contact stated that while her husband and her daughter were inspecting the engine compartment of the vehicle, the hinges of the hood failed, causing the hood to drop inadvertently. The contact's husband sustained a laceration on the arm but did not seek…”
Structure · filed Mar 27, 2025
“I unlocked my vehicle, put the key in the ignition and it made a noise, then immediately after that failure to start, everything stopped working. No lights, will not lock doors, no clicking sound as if it were a dead battery.”
Unknown OR Other · filed Nov 13, 2023
“The o/d light keeps flashing and it doesn't shift into gear when pulling out in front of oncoming traffic its vary dangerous for myself and other drivers please address this on going problem with this transmission”
Power Train · filed Dec 9, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- SPARK PLUG EJECTION FROM CYLINDER HEAD
Defect Petition DP05005 · opened Sep 22, 2005 · closed Jan 4, 2006
- FRONT SEAT BACK RECLINER ATTACHMENT
Preliminary Evaluation PE03020 · opened May 21, 2003 · closed Sep 5, 2003 · led to recall 03V281000
Technical service bulletins
212 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2000 Mercury Mountaineer. The 10 most recent:
Safety belt retraction speed. *tt
042421 · Service Bulletin/Repair Instructions · issued Jun 7, 2005
Front axle leaks fluid from vent tube - vehicles equipped with 4x4 or awd. *tt
030508 · Service Bulletin/Repair Instructions · issued Apr 1, 2005
Warning indicators-parking aid-reverse sensing system (rss) and forward sensing system (fss)-false activation of warning tone-service tips. *mj update. *tt
0471 · Service Bulletin/Repair Instructions · issued Dec 31, 2004
Aluminum corrosion - service tip. *tt
04251 · Service Bulletin/Repair Instructions · issued Dec 27, 2004
General (pcm) power train control module programming procedures. *tt
042107 · Service Bulletin/Repair Instructions · issued Dec 13, 2004
Rear window defroster grid/integral antenna diagnosis and repair - terminal tab repair. *tt
04189 · Service Bulletin/Repair Instructions · issued Dec 13, 2004
General power train control module (pcm) programming procedures. *tt
04217 · Service Bulletin/Repair Instructions · issued Nov 1, 2004
Malfunction indicator lamp (mil) illuminated - system lean diagnostic trouble codes (dtc's) - service tips. Various models including 2004 f-series. *tt
04174 · Service Bulletin/Repair Instructions · issued Sep 6, 2004
Rear window defroster grid/integral antenna diagnosis and repair - terminal tab repair. *tt
041514 · Service Bulletin/Repair Instructions · issued Aug 9, 2004
Inoperative electric rear window defroster (heated backlite) grid lines, integral antenna concerns. *tt
031501 · Service Bulletin/Repair Instructions · issued Jul 12, 2004
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 2000 Mercury Mountaineer has 6 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 2000 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 70,000 miles — budget accordingly if the car is approaching that mileage.