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1998 Mercury Mountaineer Base

The 1998 Mercury Mountaineer Base is a 205-hp 4.0-liter V6 with a 5-speed automatic and rear-wheel drive. It starts at $27,255 MSRP and is rated at 16 mpg combined.

It makes 205 horsepower. EPA fuel-economy estimates are 14 mpg city and 18 mpg highway (16 mpg combined).

The Mountaineer measures 190.1 inches long on a 111.6-inch wheelbase and has a curb weight of 4,139 lb.

Spec Value
Vehicle
Body TypeSUV
PowertrainGas
Price
MSRP$27,255 ($54,343 *)
Engine
Engine Type4.0L Cologne SOHC V6, naturally aspirated
Displacement4 L
Horsepower205 hp
ValvetrainSOHC, 2 valves per cylinder
Injection TypeMultiport fuel injection
Drivetrain
Drive TypeRear-Wheel Drive
Transmission
Transmission5-speed automatic
Fuel Economy
City14 MPG
Highway18 MPG
Combined16 MPG
Recommended FuelRegular unleaded
Suspension
Front SuspensionIndependent wishbone
Rear SuspensionLive axle, leaf springs
Tires & Wheels
Wheels Front15 in
Wheels Rear15 in
Dimensions & Weight
Length190.1 in
Width70.2 in
Height70.5 in
Wheelbase111.6 in
Cargo Volume81.6 ft³
Curb Weight4,139 lbs
Interior
Headroom Front39.9 in
Headroom Rear39.3 in
Legroom Front42.4 in
Legroom Rear37.7 in
Shoulder Room Front57.1 in
Shoulder Room Rear57 in
Hip Room Front51.9 in
Hip Room Rear51.9 in
* Amount adjusted for inflation to 2026 dollars

Safety & Recalls

NCAP safety ratings

Overall Not rated
Frontal crash Not rated
Frontal – driver ★★★★★
Frontal – passenger ★★★★★
Side crash Not rated
Rollover Not rated
Tested variant: 1998 Mercury Mountaineer 4-DR. 4x4

Recalls

6 recalls on file with NHTSA for the 1998 Mercury MOUNTAINEER. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Aug 5, 2003 · SEATS:FRONT ASSEMBLY:RECLINER

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 THE SEAT, SUCH AS THE SECOND ROW SEAT CUSHION.

Consequence: THE DRIVER COULD POTENTIALLY LOSE CONTACT WITH THE STEERING WHEEL OR FOOT PEDALS DURING SUCH AN EVENT, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE DRIVER SEAT UPPER BOLT WITH A METAL SPACER AND BOLT. IN ADDITION, SEATS WITH TUBULAR BACK FRAMES WILL HAVE THE FULLY THREADED LOWER RECLINER BOLT REPLACED WITH A PARTIALLY THREADED BOLT. OWNER NOTIFICATION BEGAN ON AUGUST 29, 2003. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673.

NHTSA campaign 03V281000

Dec 27, 2000 · VEHICLE SPEED CONTROL

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 NORMALLY PRESENT IN THE THROTTLE BODY TO CONTACT OR BRIDGE THE GAP. IF THE ENGINE DEPOSITS BRIDGED THE GAP BETWEEN THE THROTTLE PLATE AND BORE AND THEN HARDENED, ON THE INITIAL APPLICATION OF THE ACCELERATOR PEDAL AFTER THE ENGINE HAS COOLED, THE OPERATOR WOULD NEED TO APPLY ADDITIONAL FORCE TO THE ACCELERATOR PEDAL TO BREAK THE BRIDGE.

Consequence: THIS COULD RESULT IN ENGINE SURGE WHEN THE ACCELERATOR PEDAL BREAKS FREE.

Remedy: DEALERS WILL REPLACE THE ORIGINAL THROTTLE BODIES.

NHTSA campaign 00V422000

Aug 21, 2000 · TIRES:TREAD/BELT

TIRE DESCRIPTION: FIRESTONE WILDERNESS AT, SIZE P235/75R15, PRODUCED AT THE DECATUR, ILLINOIS TIRE PLANT AND ALL FIRESTONE RADIAL ATX AND RADIAL ATX II TIRES, SIZE P235/75R15. OPERATION OF THESE TIRES AT LOW INFLATION PRESSURES, HIGH SPEED, AND IN HOT WEATHER, CAN CONTRIBUTE TO SEPARATION OF THE TIRE TREAD.

Consequence: IF THE TREAD SEPARATES FROM THE TIRE, THE DRIVER CAN LOSE CONTROL OF THE VEHICLE, POSSIBLY RESULTING IN A CRASH CAUSING INJURY OR DEATH.

Remedy: THE REPLACEMENT/REIMBURSEMENT PROGRAM FOR THIS CAMPAIGN EXPIRED ON AUGUST 29, 2001. HOWEVER, CUSTOMERS SHOULD CONTACT FIRESTONE CUSTOMER SERVICE AT 1-800-465-1904 FOR POSSIBLE ASSISTANCE.

NHTSA campaign 00T005000

Jun 29, 1999 · LATCHES/LOCKS/LINKAGES:HOOD:LATCH

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE SECONDARY HOOD LATCH MAY CORRODE AT THE LATCH PIVOT AND STICK IN THE OPEN POSITION.

Consequence: IF THIS OCCURS AND THE PRIMARY HOOD LATCH IS EITHER NOT ENGAGED OR IS RELEASED, A HOOD FLY-UP COULD OCCUR.

Remedy: DEALERS WILL INSTALL A SECONDARY HOOD LATCH WITH COMPONENTS THAT ARE COATED PRIOR TO ASSEMBLY FOR IMPROVED LATCH PIVOT CORROSION PROTECTION.

NHTSA campaign 99V164000

Mar 30, 1999 · VEHICLE SPEED CONTROL

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 JANUARY 5, 1998 THROUGH MARCH 4, 1999; 1998-1999 MUSTANGS EQUIPPED WITH 3.8L, 4.6L 2-VALVE OR 4-VALVE ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999; 1999 F250/F350/F450/F550 (OVER 8,500 LBS.) TRUCKS EQUIPPED WITH 5.4L OR 6.8L ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999; AND 1999 F-53 STRIPPED CHASSIS EQUIPPED WITH 5.4L OR 6.8L ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999. A CRUISE CONTROL CABLE CAN INTERFERE WITH THE SPEED CONTROL SERVO PULLEY AND NOT ALLOW THE THROTTLE TO RETURN TO IDLE WHEN DISENGAGING THE CRUISE CONTROL.

Consequence: IF THE CRUISE CONTROL IS USED AND THIS CONDITION IS PRESENT, A STUCK THROTTLE COULD RESULT, WHICH COULD POTENTIALLY RESULT IN A CRASH.

Remedy: DEALERS WILL REPLACE THE CRUISE CONTROL CABLES. AT THE PRESENT TIME, THE REPLACEMENT CABLES ARE NOT AVAILABLE. CUSTOMERS ARE BEING ADVISED NOT TO USE THE CRUISE CONTROL SYSTEM UNTIL A REPLACEMENT CAN BE MADE.

NHTSA campaign 99V062001

Mar 19, 1998 · FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

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 COULD ACT AS A GROUND POTENTIALLY OVERHEATING THE PTFE INNER LINER OF THE FUEL LINE RESULTING IN DAMAGE TO THE FUEL LINE.

Consequence: THE FUEL LINES CAN LEAK, AND IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD POTENTIALLY RESULT.

Remedy: DEALERS WILL INSTALL A WARNING LABEL ON THE FUEL LINE BRACKET ADVISING OWNERS NOT TO USE IT FOR A JUMP START GROUND. ALSO A REVISED BOLT WILL BE INSTALLED IN THE ALTERNATOR BRACKET TO PROVIDE A CONVENIENT JUMP START GROUND LOCATION.

NHTSA campaign 98V060000

241 owner complaints to NHTSA for the 1998 Mercury MOUNTAINEER

Owner Complaints

241 owner complaints filed with NHTSA for the 1998 Mercury MOUNTAINEER (22 mention a crash, 23 a fire, 23 an injury). See all on nhtsa.gov

Most-cited areas
Tires95
Vehicle Speed Control37
Electrical System23
Engine And Engine Cooling21
Seats13
Latches/Locks/Linkages12
A complaint can cite more than one area.
Most recent complaints
Jan 14, 2018 · Structure, Visibility/Wiper
“AT THIS POINT ALL 4 DOOR LOCKS/LATCHES ARE MESSED UP. BOTH DRIVER &PASSENGER BACK DOORS WON'T OPEN FROM OUTSIDE OR INSIDE. DRIVER &PASSENGER FRONT DOORS WON'T OPEN FROM OUTSIDE UNLESS OPEN FROM INSIDE…”
Nov 19, 2017 · Vehicle Speed Control, Unknown Or Other Fire
“UNDER MY HOOD STARTED SMOKING, I POPPED MY HOOD TO FIND FLAMES UNDER IT. I HAD TO GET MY KIDS OUT THE TRUCK AND PUT THE FLAMES OUT WITH AND EXTINGUISHER. THAT'S WHEN I NOTICED THAT MY BRAKE FLUID…”
Jun 3, 2016 · Seats
“DRIVERS SEAT BROKEN UNABLE TO ADJUST FOR PROPER VISION VIA WINDSHIELD.”
Feb 1, 2015 · Fuel System, Gasoline, Engine
“ONE OF THE BRAIDED STAINLESS STEEL FUEL LINES THAT ATTACHES TO THE ENGINES FUEL RAIL DEVELOPED A LEAK. I KEPT SMELLING A STRONG ODOR OF GAS, BUT I COULD NOT FIND OUT WHERE IT WAS COMING FROM. AFTER…”
Aug 4, 2014 · Steering, Suspension
“TL* THE CONTACT OWNS A 1998 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER. THE FAILURE OCCURRED ON SEVERAL OCCASIONS. THE…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1998 MERCURY MOUNTAINEER. US-market vehicles only; data cached for up to 7 days.

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