1998 Mercury Mystique problems & reliability
231 owner complaints filed with NHTSA for the 1998 Mercury Mystique, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
6 complaints report injuries (7 injured).
Federal crash records (FARS 2020–2023): 1998 Mercury Mystique vehicles were involved in 4 fatal crashes with 5 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Suspension | 49 | 21% |
| Power Train | 38 | 16% |
| Engine and Engine Cooling | 34 | 15% |
| Electrical System | 28 | 12% |
| Service Brakes, Hydraulic | 27 | 12% |
| Air Bags | 18 | 8% |
| Exterior Lighting | 18 | 8% |
| Visibility | 16 | 7% |
| Vehicle Speed Control | 14 | 6% |
| Steering | 11 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 74,600 miles (middle 50% between 57,355 and 102,000 miles), based on 52 complaints that included mileage.
Complaints by incident year
What owners report
“Headlights are malfunctioning. My 17yo daughter got pulled over because only her high beams were working. The regular headlights are dim. Very dangerous. This happens at all times and unexpectedly.”
Exterior Lighting · filed Jan 6, 2016
“When you have traveled 30mins/15 to 18 miles the car began to slow down/the speedometer began to drop even though you are pushing the gas peddle and the rpm gauge is waving back and fourth. It happened on 09/25/15, 10/08,13,14/2015. I was traveling 60mph and 45mph.”
Vehicle Speed Control · filed Oct 15, 2015
“1998 mercury mystique. Electrical sub-harness connector problems. *smd the consumer stated he took the vehicle to his mechanic, because the ac wasn't cooling properly and the vehicle would over heat, while it was on. The vehicle has two fans in the front and they found the cooling fan melted and the sub-harness…”
Visibility · filed Sep 25, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- INCORRECT GEAR INDICATION
Recall Query RQ02006 · opened Feb 26, 2002 · closed Sep 12, 2002 · led to recall 98V233000
- BLOWER SWITCH/RESISTOR OR WIRING HARNESS
Engineering Analysis EA01001 · opened Jan 5, 2001 · closed Jul 31, 2001 · led to recall 01V230000
- FUEL EXPULSION DURING REFUELING
Engineering Analysis EA00025 · opened Oct 4, 2000 · closed Jan 25, 2001
- FUEL EXPULSION DURING REFUELING
Preliminary Evaluation PE00027 · opened Jul 10, 2000 · closed Oct 4, 2000
- BLOWER SWITCH/RESISTOR OR WIRING HARNESS
Preliminary Evaluation PE00023 · opened Jun 14, 2000 · closed Jan 5, 2001
- VARIOUS INTERMITTENT ELECTRICAL ISSUES
Recall Query RQ99019 · opened Sep 15, 1999 · closed Mar 7, 2001 · led to recall 99V243000
- FUEL GAUGE DOES NOT READ BELOW 1/4
Investigation SQ98002 · opened Jan 27, 1998 · closed Jul 31, 1998
Technical service bulletins
242 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1998 Mercury Mystique. The 10 most recent:
General (pcm) power train control module programming procedures. *tt
042107 · Service Bulletin/Repair Instructions · issued Dec 13, 2004
General power train control module (pcm) programming procedures. *tt
04217 · Service Bulletin/Repair Instructions · issued Nov 1, 2004
Malfunction indicator lamp (mil) illuminated with diagnostic trouble code(s) p0420 and/or p0430. *tt
041516 · Service Bulletin/Repair Instructions · issued Aug 9, 2004
Steering column shipped without crush pad - reuse original crush pad if not damaged. *tt
041814 · Service Bulletin/Repair Instructions · issued Jan 1, 2004
Malfunction indicator lamp illuminated with diagnostic trouble codes (dtcs) p0442, p0455, p0456, p0457 or p1442 or a check fuel cap lamp illuminated with dtc p0457 for the evaporative emission system. *tt
03203 · Service Bulletin/Repair Instructions · issued Oct 13, 2003
Remote keyless entry (rke) - service tips. *tt
03181 · Service Bulletin/Repair Instructions · issued Sep 15, 2003
The malfunction indicator lamp (mil) may be illuminated and diagnostic trouble codes (dtcs) p1380, p1381, p1383, and/or p0340 may be stored in memory. *tt
031514 · Service Bulletin/Repair Instructions · issued Aug 4, 2003
New transmission cooler flusher - service tips. 2003 escort and super duty f series included. *tt
03148 · Service Bulletin/Repair Instructions · issued Jul 21, 2003
Inoperative shift interlock solenoid or repeat instrument interface module failure. *tt
16880 · Service Bulletin/Repair Instructions · issued Jun 1, 2003
Malfunction indicator lamp (mil) illumination with diagnostic trouble codes p0442, p0455, p0456, p0457, p1442 or check fuel cap lamp illuminated with diagnostic trouble code p0457. *tt
0398 · Service Bulletin/Repair Instructions · issued May 12, 2003
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 1998 Mercury Mystique has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1998 Mercury Mystique?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 74,600 miles — budget accordingly if the car is approaching that mileage.