2001 Mercury Mountaineer problems & reliability
22 owner complaints filed with NHTSA for the 2001 Mercury Mountaineer, alongside 3 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.
3 complaints report injuries (3 injured).
Federal crash records (FARS 2020–2023): 2001 Mercury Mountaineer vehicles were involved in 7 fatal crashes with 6 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 |
|---|---|---|
| Suspension | 4 | 18% |
| Service Brakes, Hydraulic | 3 | 14% |
| Structure | 3 | 14% |
| Tires | 3 | 14% |
| Latches/locks/linkages | 2 | 9% |
| Seats | 2 | 9% |
| Vehicle Speed Control | 2 | 9% |
| Visibility | 2 | 9% |
| Air Bags | 1 | 5% |
| Engine | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The frame in back is rusting through. The back cross member at the rear bumper is rusted bad. It rattles all the time.back sway bars are rusted bad.”
Unknown OR Other · filed Jun 25, 2018
“I opened the rear glass and while the glass was being raised by the pistons, I heard a loud bang. The glass suddenly shattered all over me and the back of the mountaineer. I got glass in my face and arms and feet. I had lacerations to my arms from the glass and glass splinters in my feet where the glass got into my…”
Visibility/wiper · filed Jul 8, 2017
“Tl* the contact owns a 2001 mercury mountaineer. The contact stated that while driving, smoke emitted from the hood and the vehicle caught on fire. The vehicle was towed to a tow yard. The manufacturer was not made aware of the failure. The approximate failure and current mileages were 130,000. The vin was not…”
Engine · filed Jun 18, 2012
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
102 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2001 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 2001 Mercury Mountaineer has 3 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 2001 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.