Problems owners report
Complaints filed with NHTSA about the 1999 Mercury Mystique, by the system named in each complaint. One complaint can name several.
- Structure28
- Unknown or other19
- Service brakes, hydraulic19
- Engine and engine cooling15
- Electrical system14
- Visibility14
- Fuel system, gasoline6
- Suspension6
- Air bags6
- Equipment6
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 12 injuries and 1 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fuel consumption
Official Canadian test results for 4 variants: combined 9.5–11.7 L/100 km (about 20–25 mpg US), CO₂ 219–269 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Mystique · Compact · Regular gasoline | 11.0 | 7.6 | 9.5 |
| Mystique · Compact · Regular gasoline | 11.8 | 8.5 | 10.3 |
| Mystique · Compact · Regular gasoline | 13.4 | 9.1 | 11.5 |
| Mystique · Compact · Regular gasoline | 13.7 | 9.1 | 11.7 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
4 Transport Canada recalls for the 1999 Mercury Mystique.
| 2000077 21 Mar 2000 | Brakes On certain vehicles, the pressure conscious reducing valve (PCRV) in each of the rear brakes may be subject to malfunction due to corrosion when operated in are… |
| 1999049 25 Mar 1999 | Other Certain vehicles do not comply with the requirements of CMVSS 114 - Locking System. It may be possible to rotate the ignition key to the "LOCK" position and re… |
| 1998243 21 Dec 1998 | Visual System Certain vehicles do not comply with CMVSS 205 - glazing materials. The windshields on were produced without the "AS1" mark as required by American National Sta… |
| 1998234 23 Nov 1998 | Emissions Certain vehicles may not comply with CMVSS 1105 - evaporative emissions. The rear fuel lines may allow fuel to seep and evaporate at the metal line to nylon tub… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
VEHICLE DESCRIPTION: PASSENGER VEHICLES NOT EQUIPPED WITH THE ANTI-LOCK BRAKING SYSTEM (ABS). A PRESSURE CONSCIOUS REDUCING VALVE (PCRV) IN THE REAR BRAKES MAY BE SUBJECT TO CORROSION AND RESULT IN MALFUNCTION, WHEN OPERATED IN AREAS THAT USE SALT COMPOUNDS ON THE ROADWAY FOR DE-ICING OR DUST CONTROL.
VEHICLE DESCRIPTION: PASSENGER VEHICLES BUILT WITH AUTOMATIC TRANSMISSIONS WHICH UTILIZE A PARK/LOCK SOLENOID. IT IS POSSIBLE TO ROTATE THE IGNITION KEY TO THE LOCK POSITION AND REMOVE THE KEY WITHOUT THE SHIFT LEVER AND TRANSMISSION BEING IN PARK. THESE VEHICLES DO NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 114, "THEFT PROTECTION."
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mercury told its dealers about the 1999 Mercury Mystique: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 637575 | BATTERY LAMP ON, HOWEVER THE CHARGING SYSTEM IS FUNCTIONING PROPERLY. *TT |
| 637571 | SOME VEHICLES MAY EXHIBIT DIAGNOSTIC TROUBLE CODE B1213, B1342, B1601, B2431. *TT |
| 636219 | SOME VEHICLES EQUIPPED WITH A 2.5L ENGINE MAY EXHIBIT MULTIPLE MISFIRE DIAGNOSTIC TROUBLE CODES WITH NO DRIVEABILITY CONCERNS NOTED. *TT |
| 636065 | INFORMATION REGARDING DISCHARGED BATTERY CHARGING SERVICE TIPS AND GUIDELINES. *TT |
| 633583 | SUBJECT REGARDING INSTRUMENT PANEL COVER WARPAGE. *JG |
| 630685 | CONCERN WITH HEADLAMPS AND/OR INSTRUMENT PANEL LAMPS DIMMING SLIGHTLY AT IDLE. *TT |
| 630631 | SOME VEHICLES EQUIPPED WITH THE CD4E TRANSAXLE MAY EXHIBIT HARSH AND DELAYED 1-2/2-3 UPSHIFTS AFTER TRANSAXLE OR TURBINE SHAFT SPEED SENSOR REPLACEMENT, POSSIBLE DIAGNOSTIC TROUBLE CODES 628, 642, 645, 646, 647, 648, P0731, P0732, P0734, P0741 AND P01744. *TT |
| 630542 | OWNER NOTIFICATION PROGRAM 01B78 SUPPLEMENT #1 REGARDING INSTRUMENT PANEL COVER WARPAGE. *TT |
| 630515 | ENGINE OIL SYSTEM PRIMING PROCEDURES, SERVICE TIPS FOR REPORTS OF PREMATURE ENGINE FAILURE. *TT |
| 630408 | SOME VEHICLES MAY EXHIBIT A CHECK ENGINE LIGHT AND/OR EGR DIAGNOSTIC TROUBLE CODES 332, P0401, P1407 (LACKOF EGR FLOW). *TT |
| 630024 | SOME VEHICLES MAY EXHIBIT A NOISE THAT APPEARS TO COME FROM THE FRONT WHEEL BEARINGS. *TT |
| 630001 | SOME ENGINE ASSEMBLIES WITH ALUMINUM CYLINDER HEADS REPAIRED IN-VEHILE HAVE BEEN FOUND TO LEAK COOLANT AND/OR OIL FROM THE CYLINDER HEAD GASKET AREA. *TT |
| 627927 | SOME VEHICLES MAY EXHIBIT VACUUM OR AIR LEAKS IN THE INTAKE MANIFOLD AND / OR ENGINE SYSTEM CAUSING DIAGNOSTIC TROUBLE CODES P0171 AND OR P0174. *TT |
| 625783 | SOME VEHICLES MAY EXHIBIT A NOISE THAT APPEARS TO COME FROM THE FRONT WHEEL BEARINGS. *TT |
| 625715 | BRAKE SHIFT INTERLOCK.*JB |
| 624125 | SOME VEHICLES MAY EXPERIENCE WARPAGE OF THE INSTRUMENT PANEL COVER AT THE FRONT EDGE OF THE INSTUMENT PANEL COVER NEAR THE WINDSHIELD, ABOVE THE INSTRUMENT CLUSTER AND AROUND THE GLOVE COMPARTMENT. *SLC |
| 623988 | INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC |
| 623944 | SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC |
| 621067 | SOME VEHICLES MAY EXHIBIT A/C DISCHARGE AIR TEMPERATURES DIFFERENCES OF GREATER THAN 10 DEGREES F FROM REGISTERS ON LEFT SIDE OF DASH THAN ON RIGHT. *TT |
| 620202 | SOME VEHICLES MAY ILLUMINATE THE MALFUNCTION INDICATOR LAMP OR RUN ROUGH AFTER THE CATALYST IS REMOVED AND / OR REPLACED. THIS MAY BE DUE TO VACUUM LEAKS AS A RESULT OF TOLERANCE STACKUP WITHIN THE EXHAUST / EGR / INTAKE SYSTEM. *TT |
| 619489 | SOME VEHICLES EQUIPPED WITH DAYTIME RUNNING LAMPS (DRL) MAY EXHIBIT THE HIGH BEAM INDICATOR IN THE INSTRUMENT CLUSTER FLASHING WHEN THE DAYTIME RUNNING LAMPS ARE ON. *TT |
| 619424 | SUBJECT REGARDING ENGINE OIL RECOMMENDATIONS FOR USE IN 2001 VEHICLES - SAE 5W-20 MOTOR OIL. *TT |
| 619322 | SOME VEHICLES EQUIPPED WITH CD4E TRANSAXLE, (DOES NOT APPLY TO MTX) MAY EXHIBIT A POWER STEERING GRUNT / MOAN TYPE NOISE WHEN RETURNING FROM A RIGHT TURN. *TT |
| 619266 | VEHICLES EQUIPPED WITH PASSIVE ANTI-THEFT SYSTEM (PATS) MAY NOT START OR CRANK. *TT |
| 618630 | INFORMATION PERTAINING TO DURATEC OIL PAN INVESTIGATION. *JB |
NHTSA manufacturer communications (public domain)
NHTSA investigations
INSTRUMENT PANEL COVER WARPAGE
BLOWER SWITCH/RESISTOR OR WIRING HARNESS
NHTSA Office of Defects Investigation