1999 Mercury Mountaineer
The Verdict
Worst problem area
Suspension, Wheels & Tires
Suspension, Wheels & Tires leads by volume: 55 of 150 complaints (37%) mention it. Complaints mentioning Airbags & Restraints include more deaths (1) than those mentioning any other identified area.
Complaints filed fell from 236 in 1998 to 150 in 1999.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 1997 | 1998 | 1999 | 2000 | 2001 | vs. 1999 Sport Utility Vehicle - 2WD |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 4,450 | 3,900–4,450 | 3,900–4,450 | 3,900–4,150 | 3,650–4,150 | |
| Combined MPG | 14 | 14–16 | 14–16 | 15–16 | 15–17 | |
| City / Highway MPG | 12 / 17 | 12–14 / 17–18 | 13–14 / 17–19 | 13–14 / 18–19 | 13–15 / 18–20 | |
| CO₂ tailpipe (g/mi) | 635 | 555–635 | 555–635 | 555–592 | 523–592 | |
| Complaints filed | 328 | 236 | 150 | 123 | 22 | |
| Recalls issued | 7 | 6 | 9 | 8 | 4 | |
| Crash-involved complaints | 41 | 22 | 13 | 15 | 2 | |
| Fire-involved complaints | 10 | 23 | 5 | 12 | 1 | |
| Injuries reported | 19 | 29 | 9 | 17 | 3 | |
| Deaths reported | 1 | 1 | 1 | 0 | 0 | |
| Configurations compared | 2 | 2 | 2 | 2 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 1999 Mercury Mountaineer have?
9 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 1999 Mercury Mountaineer?
Suspension, Wheels & Tires: 55 of 150 NHTSA complaints (37%) mention it.
What gas mileage does the 1999 Mercury Mountaineer get?
EPA rates it 14–16 MPG combined.
How much does it cost to fuel a 1999 Mercury Mountaineer?
EPA estimates $3,900–$4,450 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 5-spd | 6 | 4.0L | Rear-Wheel Drive | Regular | Sport Utility Vehicle - 2WD | 14 mpg (high) | 19 mpg (high) | 16 mpg (high) | $3,900 (low) | 555 g/mi (low) |
| Configuration 2 | Automatic 4-spd | 8 | 5.0L | Rear-Wheel Drive | Regular | Sport Utility Vehicle - 2WD | 13 mpg (low) | 18 mpg | 15 mpg | $4,150 | 592 g/mi |
| Configuration 3 | Automatic 5-spd | 6 | 4.0L | 4-Wheel or All-Wheel Drive | Regular | Sport Utility Vehicle - 4WD | 14 mpg (high) | 18 mpg | 15 mpg | $4,150 | 592 g/mi |
| Configuration 4 | Automatic 4-spd | 8 | 5.0L | 4-Wheel or All-Wheel Drive | Regular | Sport Utility Vehicle - 4WD | 13 mpg (low) | 17 mpg (low) | 14 mpg (low) | $4,450 (high) | 635 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 12 | 0 | 2 | 0 | 0 |
| Transmission & Drivetrain | 8 | 0 | 0 | 0 | 0 |
| Fuel System | 2 | 0 | 1 | 0 | 0 |
| Electrical | 11 | 0 | 2 | 2 | 0 |
| Brakes | 9 | 1 | 0 | 0 | 0 |
| Steering | 4 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 55 | 6 | 0 | 4 | 0 |
| Airbags & Restraints | 15 | 5 | 0 | 1 | 1 |
| Driver Assistance & Speed Control | 11 | 3 | 0 | 1 | 0 |
| Body, Seats & Latches | 10 | 0 | 0 | 1 | 0 |
| Visibility & Lighting | 23 | 0 | 0 | 0 | 0 |
| Other | 7 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (9)
VEHICLE SPEED CONTROL · Campaign 07V336000 · Aug 3, 2007
Defect: 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.
Consequence: THIS COULD RESULT IN AN UNDERHOOD FIRE.
Remedy: DEALERS WILL INSTALL A FUSED WIRING HARNESS. OWNERS OF THE PASSENGER CARS INCLUDED IN THIS CAMPAIGN WILL BE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS TO HAVE THE SPEED CONTROL DEACTIVATION SWITCH DISCONNECTED AS AN INTERIM REPAIR. AS SOON AS REPAIR PARTS ARE AVAILABLE (EXPECTED OCTOBER 2007), OWNERS WILL BE INSTRUCTED TO RETURN TO THE DEALERS FOR INSTALLATION OF A FUSED WIRING HARNESS. THE RECALL BEGAN ON AUGUST 13, 2007, AND MAILING COMPLETED BY SEPTEMBER 19, 2007. OWNERS MAY CONTACT FORD AT 1-888-222-2751.
FUEL SYSTEM, GASOLINE · Campaign 06E056000 · Jun 23, 2006
Defect: CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN, THE QUICK CONNECTORS MAY NOT FULLY SEAT WITH THE TUBE INTERFACE, EVEN THOUGH THE PERSON MAKING THE CONNECTION MAY BELIEVE THAT THE QUICK CONNECTOR IS FULLY ATTACHED.
Consequence: FAILURE OF THIS CONNECTION COULD LEAD TO FUEL SPILLAGE AND, IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.
Remedy: UFI WILL NOTIFY OWNERS AND REPLACE THE FILTERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2006. OWNERS MAY CONTACT UFI FILTERS USA AT 800-230-5876.
SEATS:FRONT ASSEMBLY:RECLINER · Campaign 03V281000 · Aug 7, 2003
Defect: 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.
VEHICLE SPEED CONTROL:CABLES · Campaign 03V280000 · Aug 7, 2003
Defect: 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.
Consequence: 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.
Remedy: DEALERS WILL INSPECT THE SPEED CONTROL CABLE AND, IF NECESSARY, REPLACE IT. OWNER NOTIFICATION BEGAN AUGUST 29, 2003. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673.
TIRES:TREAD/BELT · Campaign 00T005000 · Aug 10, 2000
Defect: 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.
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS · Campaign 00V072000 · Mar 13, 2000
Defect: 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 BE TURNED ON OR, IN SOME CASES IF THE FUNCTION IS ON, COULD NOT BE TURNED OFF.
Consequence: AN INOPERATIVE WINDSHIELD WIPER SYSTEM COULD AFFECT DRIVER VISIBILITY, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSTALL A RESISTOR IN THE GEM CIRCUIT.
LATCHES/LOCKS/LINKAGES:HOOD:LATCH · Campaign 99V164000 · Jun 30, 1999
Defect: 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.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS · Campaign 99V123000 · May 20, 1999
Defect: 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.
Consequence: THIS COULD RESULT IN A LOSS OF BRAKE PRESSURE TO THE FRONT WHEELS, INCREASING THE STOPPING DISTANCE.
Remedy: DEALERS WILL REPLACE THE FLARE NUT ON THE BRAKE LINE.
VEHICLE SPEED CONTROL · Campaign 99V062001 · Mar 31, 1999
Defect: 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.