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Other or unknownPart report

1998 Mercury Mountaineer Other or unknown Problems

Complaints
5about this part
Share
2%of 236 total for the year
Median mileage
145,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the other or unknown of the 1998 Mercury Mountaineer, 2% of the 236 complaints for this model year. Where a mileage was given, the median is 145,000 miles. 2 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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 reservoir was melted and so were the wires that connect to the cruise control switch. Not I am without a vehicle to get to work and get my children to school.”

NHTSA complaint #11047281, filed 2017-11, 190,000 miles

“At approximately 2:15 I parked my 1998 Mercury Mountaineer on the street in front of my house. At approximately 2:30 I heard the vehicle theft alarm go off. When I went to shut off alarm, I saw flames coming from the right front wheel well. (I could not see what was happening on the other side of vehicle) I went back into my house to fetch my dry chem fire extinguisher. I went back to the car and attempted to extinguish the fire. When I was unsuccessful, I had my son call 911 for fire department assistance. …”

NHTSA complaint #10323594, filed 2010-04, 145,000 miles

“My display lights on my radio started dimming in and out. Now they are completely gone. I took it to my local ford dealer and they told me that it would cost at least $350 for them to send it off and have it repaired. There are several other same vehicles who have the same problem.”

NHTSA complaint #10018674, filed 2003-05, 52,000 miles

“Vehicle driven in forward and comes to a stop (I.e.- at a stop sign, toll booth, or traffic light) will stall/hesitate without warning when attempting to proceed forward again. This has happened multiple times since we purchased the vehicle new. Vehicle was taken to several different dealerships in three states and they say ford/Mercury is aware of the problem but at the current time there is no fix. Radio when tuning would not pick up any radiostations due to radio not hooked to antenna. …”

NHTSA complaint #719184, filed 2000-02

Other or unknown: other model years

YearComplaintsShare of year
201018%
2009117%
200866%
200767%
200698%
200545%
200494%
200364%
200282%
200115%
200043%
199911%
199852%
199721%

Other parts of the 1998 Mercury Mountaineer

Tires
95 complaints
Vehicle speed control
36 complaints
Electrical system
21 complaints
Engine cooling
20 complaints
Latches, locks and linkages
12 complaints
Seats
12 complaints
Body and structure
11 complaints
Suspension
11 complaints
Transmission and drivetrain
9 complaints
Visibility (wipers, defrost, mirrors)
9 complaints
Brakes
6 complaints
Equipment
6 complaints

← All problems reported for the 1998 Mercury Mountaineer

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology