The 1998 Mercury Mountaineer is a vehicle that came with a choice of 4.0L 6-cyl and 5.0L 8-cyl engines. At 28 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 | Special Purpose Vehicle 2WD, Special Purpose 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 | 12–14 city / 17–18 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 | 28 years |
Specs, fuel cost and emissions from the EPA's fueleconomy.gov data. Your car's exact equipment may differ.
NHTSA lists 5 safety recalls covering the 1998 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 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: sport utility vehicles equipped with 4.0l sohc engines and still retain the original throttle body (part numbers 97jf-9e926ab or 97jf-9e926-ac). Some of the original throttle bodies installed allowed a gap between the plate and bore to be built too narrow. This reduced clearance allowed the engine deposits…
Risk: This could result in engine surge when the accelerator pedal breaks free.
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: 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.
Vehicle description: multi-purpose passenger vehicles equipped with 4.0l single overhead cam engines. The engine fuel lines can be damaged if the vehicle is jump started and the ground cable is attached to the fuel line bracket that is located near the battery. Since the bracket is not grounded, the stainless steel fuel line braid…
Risk: The fuel lines can leak, and in the presence of an ignition source, a fire could potentially result.
Owners have filed 236 complaints about the 1998 Mercury Mountaineer with NHTSA. 22 reports involved a crash and 23 reports involved a fire. Owners reported 29 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 282 technical service bulletins and communications with NHTSA covering the 1998 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
General (PCM) power train control module programming procedures. *tt
General power train control module (PCM) programming procedures. *tt
Driveability-malfunction indicator lamp (MIL) illuminated-diagnostic trouble codes (dtc's) p0420 and/or p0430. *mj
Source: NHTSA manufacturer communications (technical service bulletins).
NHTSA opened 7 defect investigations covering the 1998 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
Engine compartment fires
Ea05-005 is closed with ford?s actions in recalls 05v-017, 05v-388, and 06v-286, recalling approximately 6.7 million vehicles equipped with texas instruments speed control deactivation switches (scds).the brake systems in these recalled vehicles generate a vacuum that can potentially cause the scds to fail and, in cert
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
Steering knuckle separations
There is no summary currently available
Vehicle hesitation/stalling
There is no summary currently available
Fuel line damage from jump starting
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. Its parts make up much of its value. Enter your ZIP code above for a free offer on your specific car.
Yes. We buy 1998 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 5 recalls for the 1998 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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