Worst 1999 Mercury Mountaineer Problems
Top 3 most-reported issues with average mileage at failure.
Tire Defects
Tires:Tread/Belt
Visibility:Windshield Wiper/Washer
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All Problems by Category
Every NHTSA complaint category for the 1999 Mercury Mountaineer.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Tire Defects | 29 | 3 | — | 60,687 mi | |
| Tires:Tread/Belt | 18 | 2 | — | 134,000 mi | |
| Visibility:Windshield Wiper/Washer | 18 | — | — | 70,000 mi | |
| Airbags | 6 | 1 | — | 92,077 mi | |
| Air Bags:Frontal | 5 | 4 | — | 119,602 mi | |
| Engine And Engine Cooling:Engine:Gasoline | 5 | — | — | — | |
| Tires:Sidewall | 5 | — | — | — | |
| Unintended Acceleration | 5 | 1 | — | 65,000 mi | |
| Electrical Faults | 4 | — | 2 | — | |
| Engine & Cooling | 4 | — | 2 | — | |
| Seats:Front Assembly:Recliner | 4 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 4 | — | — | — | |
| Engine And Engine Cooling:Engine | 3 | — | — | — | |
| Suspension Failures | 3 | 1 | — | — | |
| Vehicle Speed Control:Accelerator Pedal | 3 | 1 | — | — | |
| Air Bags:Frontal:Sensor/Control Module | 2 | — | — | — | |
| Electrical System:Wiring | 2 | — | — | — | |
| Electrical System:Wiring:Interior/Under Dash | 2 | — | — | — | |
| Equipment:Electrical:Radio/Tape Deck/Cd Etc. | 2 | — | — | — | |
| Latches/Locks/Linkages:Doors:Latch | 2 | — | — | — | |
| Power Train:Transfer Case (4-Wheel Drive) | 2 | — | — | — | |
| Seat Belts:Front:Buckle Assembly | 2 | — | — | — | |
| Service Brakes, Air | 2 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module | 2 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Disc:Rotor | 2 | — | — | — | |
| Vehicle Speed Control:Cruise Control | 2 | — | — | — | |
| Air Bags:Side/Window | 1 | — | — | — | |
| Electrical System:12v/24v/48v Battery | 1 | — | — | — | |
| Electrical System:Horn | 1 | — | — | — | |
| Wiring & Fuses | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1999 Mercury Mountaineer. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Mercury Mountaineer Years
1999 Mercury Mountaineer — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1999 Mercury Mountaineer reliable?
What are common problems with the 1999 Mercury Mountaineer?
At what mileage do problems start on the 1999 Mercury Mountaineer?
How safe is the 1999 Mercury Mountaineer?
Does the 1999 Mercury Mountaineer have any recalls?
Should I buy a 1999 Mercury Mountaineer?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mercury Mountaineer reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1999 Mercury Mountaineer
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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