The 1999 Mercury Mountaineer is a SUV that came with a choice of 4.0L 6-cyl and 5.0L 8-cyl engines. At 27 years old, many are reaching the point where repairs cost more than the car is worth. Running or not, we'll make you an offer and tow it away for free.
| Body style | Sport Utility Vehicle - 2WD, Sport Utility Vehicle - 4WD |
|---|---|
| Engines | 4.0L 6-cyl, 5.0L 8-cyl |
| Transmissions | Automatic 5-spd, Automatic 4-spd |
| Drive | Rear-Wheel Drive, 4-Wheel or All-Wheel Drive |
| Fuel | Regular Gasoline |
| Fuel economy | 13–14 city / 17–19 highway / 14–16 combined MPG |
| EPA annual fuel cost | $4,200–$4,800 a year (EPA estimate at current fuel prices, 15,000 miles) |
| Tailpipe CO₂ | 555–635 grams per mile |
| Versions tested by EPA | 4 configurations: Mountaineer 2WD, Mountaineer 4WD |
| Age | 27 years |
Specs, fuel cost and emissions from the EPA's fueleconomy.gov data. Your car's exact equipment may differ.
NHTSA lists 7 safety recalls covering the 1999 Mercury Mountaineer. Open recalls don't stop you from selling or junking the car, but check your VIN at nhtsa.gov/recalls to see which apply to yours.
On certain pickup trucks, passenger vehicles, sport utility vehicles, and motor homes chassis, the speed control deactivation switch may, under certain conditions, leak internally and then overheat, smoke, or burn.
Risk: This could result in an underhood fire.
On certain sport utility vehicles equipped with speed control and 4.0l sohc engines, if the strand cover on the speed control cable becomes flared at the end, the speed control cable may bind when the speed control is activated.
Risk: The throttle return spring force may not be sufficient to overcome the binding condition when the speed control is disengaged. Braking function would be maintained though stopping distances may be increased.
On certain sport utility vehicles equipped with high back seats, the upper bolt on the driver's side high back seat, that attaches the seat recliner mechanism to the seat back frame, could fracture. If the bolt fractures and does not jam in the seat back frame, the seat back may recline until it makes contact with an object behind…
Risk: The driver could potentially lose contact with the steering wheel or foot pedals during such an event, increasing the risk of a crash.
Vehicle description: multi-purpose vehicles equipped with 4.0l engines and all-time 4-wheel drive (a4wd) powertrains. The generic electronic module (gem) could experience a condition referred to as "lock-up" in which the gem controlled electronic functions (e.g., front windshield wipers, interior lights, 4x4 system, etc.) could not…
Risk: An inoperative windshield wiper system could affect driver visibility, increasing the risk of a crash.
Vehicle description: sport utility vehicles. The secondary hood latch may corrode at the latch pivot and stick in the open position.
Risk: If this occurs and the primary hood latch is either not engaged or is released, a hood fly-up could occur.
Vehicle description: sport utility vehicles. The right front brake line to the hydraulic control unit (hcu) connection could separate causing the line to leak when the brake pedal is applied.
Risk: This could result in a loss of brake pressure to the front wheels, increasing the stopping distance.
Vehicle description: certain 1997-1999 rhd explorer equipped with 4.0l ohv/sohc engines and cruise control built from may 29, 1996 through march 4, 1999; 1998-1999 explorer/mountaineers equipped with 4.0l ohv/sohc or 5.0l engines or 1998-1999 rangers equipped with 2.5l, 3.0l ffv/efi or 4.0l engines and cruise control built from…
Risk: If the cruise control is used and this condition is present, a stuck throttle could result, which could potentially result in a crash.
Owners have filed 151 complaints about the 1999 Mercury Mountaineer with NHTSA. 13 reports involved a crash and 5 reports involved a fire. Owners reported 9 injuries.
Complaints are reports from owners and aren't verified by NHTSA. One complaint can list several components. Mileage is the median odometer reading owners reported for that component.
Manufacturers have filed 340 technical service bulletins and communications with NHTSA covering the 1999 Mercury Mountaineer. These are repair instructions for known issues, not recalls.
Front axle leaks fluid from vent tube - vehicles equipped with 4x4 or awd. *tt
Warning indicators-parking aid-reverse sensing system (rss) and forward sensing system (fss)-false activation of warning tone-service tips. *mj update. *tt
Rear window defroster grid/integral antenna diagnosis and repair - terminal tab repair. *tt
General (PCM) power train control module programming procedures. *tt
Source: NHTSA manufacturer communications (technical service bulletins).
NHTSA opened 4 defect investigations covering the 1999 Mercury Mountaineer.
Spark plug ejection from cylinder head
On september 6, 2005, odi received a petition requesting that the agency investigate allegations of engine spark plug ejection in certain model year 1997 through 2004 ford vehicles with triton v-8 and v-10 engines.odi received a total of 474 non-duplicative complaints on the subject vehicles where the complainant, or t
Front seat back recliner attachment
By letter dated august 4, 2003, ford notified the agency that it is conducting a voluntary safety recall (NHTSA recall no. 03v281) involving certain model year (my) 1998-2001 ford explorer / Mercury Mountaineer 4-door, my 1998-2000 ford explorer 2-door and my 2001-2002 ford explorer sport and sport trac vehicles equipp
Windshield wiper malfunction
There is no summary currently available
Vehicle hesitation/stalling
There is no summary currently available
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It depends on its condition, whether major parts like the engine, transmission and catalytic converter are still there, and current scrap and parts prices where you live. As a heavier vehicle, its scrap weight adds to the offer. Enter your ZIP code above for a free offer on your specific car.
Yes. We buy 1999 Mountaineers that don't start, were in an accident, failed inspection or have a blown engine or transmission. Towing is always free.
Yes. Open recalls don't prevent a junk sale. NHTSA lists 7 recalls for the 1999 Mercury Mountaineer; you can check whether any are still open on yours with the VIN lookup at nhtsa.gov/recalls.
Usually the title and a photo ID. Rules differ by state, including what to do with your plates and whether to file a notice of sale. Check our state-by-state car title guides for the official forms.
Data retrieved October 2026.
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