← New search

1999 Mercury Cougar

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

When problems were reported

Mileage at the reported incident

129 reports with mileage · 325 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 99 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 72 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 67 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

23 crash reports3 fire reports21 injury reports

What owners actually said

454 reports
73,000 miles · Oct 13, 2007
Power TrainService Brakes, Hydraulic

BRAKES CONTINUE TO GRIND EVEN AFTER REPLACEMENT. TRANSMISSION SURGES AND HESITATES UPON ACCELERATION CAUSING UNEXPECTED INCREASES IN SPEED. TRANSMISSION ALSO SLIPS IN AND OUT OF GEARS RANDOMLY. ALL OF THESE PROBLEMS COULD LEAD TO A SERIOUS ACCIDENT. *TR

NHTSA ODI #10205576

20,000 miles · Sep 6, 2007
Electrical SystemFuel System, Gasoline

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. IN 2003, THE ENGINE FAILED WHEN FUEL WAS PRESENT IN THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER AND REPAIRED UNDER WARRANTY. CURRENTLY, FUEL IS NOT ABLE TO ENTER INTO THE ENGINE. THE VEHICLE WILL START AND THEN SHUT OFF. A DIAGNOSTIC TEST HAS NOT BEEN PERFORMED ON THE VEHICLE.…

Read full complaint

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. IN 2003, THE ENGINE FAILED WHEN FUEL WAS PRESENT IN THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER AND REPAIRED UNDER WARRANTY. CURRENTLY, FUEL IS NOT ABLE TO ENTER INTO THE ENGINE. THE VEHICLE WILL START AND THEN SHUT OFF. A DIAGNOSTIC TEST HAS NOT BEEN PERFORMED ON THE VEHICLE. THE CONTACT STATED THAT THE VEHICLE HAS ALSO HAD ELECTRICAL FAILURES, WHICH CAUSED THE BATTERY TO FAIL FOUR TIMES IN FOUR YEARS. THE BATTERY CABLE HAS BEEN RETIGHTENED SEVERAL TIMES AND REPLACED ONCE. THE SPEED WAS UNKNOWN. THE CURRENT MILEAGE WAS 99,000 AND FAILURE MILEAGE WAS 20,000.

NHTSA ODI #10202089

83,000 miles · Jul 25, 2007
Visibility

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. HE STATED THAT THE SUNROOF SHIFTED TO THE SIDE AND HE HEARD A CRACK WHEN HE ATTEMPTED TO OPEN IT, WHICH CAUSED THE BRACKET TO BREAK. THE PROBLEM OCCURRED ON TWO OCCASIONS. APPROXIMATELY ONE YEAR AGO THE TRACK AND BRACKET WERE REPLACED HOWEVER THE SUNROOF WOULD NO LONGER CLOSE. THE F…

Read full complaint

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. HE STATED THAT THE SUNROOF SHIFTED TO THE SIDE AND HE HEARD A CRACK WHEN HE ATTEMPTED TO OPEN IT, WHICH CAUSED THE BRACKET TO BREAK. THE PROBLEM OCCURRED ON TWO OCCASIONS. APPROXIMATELY ONE YEAR AGO THE TRACK AND BRACKET WERE REPLACED HOWEVER THE SUNROOF WOULD NO LONGER CLOSE. THE FAILURE MILEAGE WAS 83,000 AND THE CURRENT MILEAGE WAS 87,000.

NHTSA ODI #10197490

183,000 miles · Jul 5, 2007
Engine And Engine CoolingVehicle Speed Control

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT THE ENGINE REVS VERY HIGH AND THEN THE VEHICLE BEGINS TO JERK. THE CONTACT HAS TAKEN THE VEHICLE TO THE DEALER ON SEVERAL OCCASIONS, BUT THEY HAVE BEEN UNABLE TO DIAGNOSE THE CAUSE OF FAILURE. THE CONTACT INFORMED THE MANUFACTURER ABOUT THE FAILURE AND MENTION…

Read full complaint

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT THE ENGINE REVS VERY HIGH AND THEN THE VEHICLE BEGINS TO JERK. THE CONTACT HAS TAKEN THE VEHICLE TO THE DEALER ON SEVERAL OCCASIONS, BUT THEY HAVE BEEN UNABLE TO DIAGNOSE THE CAUSE OF FAILURE. THE CONTACT INFORMED THE MANUFACTURER ABOUT THE FAILURE AND MENTIONED THAT THE DEALER CHANGED SEVERAL PARTS. THE MANUFACTURER STATED THAT THERE WERE NO CURRENT RECALLS OR SERVICE BULLETINS FOR THIS FAILURE. THE SERPENTINE BELT, THROTTLE ASSEMBLY, AND VACUUM TUBE WERE REPLACED, BUT THE FAILURE PERSISTS. THE CURRENT AND FAILURE MILEAGES WERE 183,000. THE CONSUMER STATED BELIEVES DEALER CHARGED FOR UNNECESSARY REPAIRS, INACCURATE DIAGNOSTICS, AND FINANCIAL BURDEN FOR CAR RENTALS AND WANTS TO BE REIMBURSED ALL THE OUTPOCKET EXPENSES. UPDATED 09/05/07 *TR

NHTSA ODI #10195384

33,000 miles · Jun 21, 2007
Engine And Engine Cooling

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. THE MECHANIC NOTICED OIL LEAKING FROM THE OIL PAN GASKET ONTO THE EXHAUST PIPES. THE MECHANIC STATED THAT THE OIL PAN GASKET MATERIAL WAS DEFECTIVE. THE CONTACT CURRENTLY HAS TO CARRY A FIRE EXTINGUISHER. THE MECHANIC STATED DUE TO THE FAILURE A FIRE COULD OCCUR AT ANY TIME. THE MANUFA…

Read full complaint

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. THE MECHANIC NOTICED OIL LEAKING FROM THE OIL PAN GASKET ONTO THE EXHAUST PIPES. THE MECHANIC STATED THAT THE OIL PAN GASKET MATERIAL WAS DEFECTIVE. THE CONTACT CURRENTLY HAS TO CARRY A FIRE EXTINGUISHER. THE MECHANIC STATED DUE TO THE FAILURE A FIRE COULD OCCUR AT ANY TIME. THE MANUFACTURER STATED THAT NO RECALLS WERE ISSUED AND WOULD NOT REPAIR OR REPLACE THE GASKET. THE CURRENT MILEAGE IS 45,000 AND FAILURE MILEAGE WAS 33,000. THE CONSUMER STATED THE GASKET MATERIALS USED WERE NOT DURABLE AND SOFT ENOUGH. THEY MUST HAVE EXPERIENCED CRACKING DUE TO TEMPERATURE FATIGUE. UPDATED 10/11/07. *JB

NHTSA ODI #10193915

Mileage unknown · May 3, 2007
Engine And Engine CoolingFuel System, GasolineService Brakes, Hydraulic

RECALL OF BRAKE PRESSURE CONTROL. FORD SERVICE CENTER STATES REPAIR WAS DONE ON 12-19-2000, BUT THERE IS NO RECORDS TO CONFIRM. IN ADDITION, THE FUEL SYSTEM RECALL, FORD STATES THAT THERE ISN'T ONE ON MY VEHICLE, HOWEVER, MY VECHICLE DISPLAYS THE SAME SYMPTOMS DESCRIBED UNDER RECALL 04V421000 AND THE CONTINUOUS CHECK ENGINE LIGH…

Read full complaint

RECALL OF BRAKE PRESSURE CONTROL. FORD SERVICE CENTER STATES REPAIR WAS DONE ON 12-19-2000, BUT THERE IS NO RECORDS TO CONFIRM. IN ADDITION, THE FUEL SYSTEM RECALL, FORD STATES THAT THERE ISN'T ONE ON MY VEHICLE, HOWEVER, MY VECHICLE DISPLAYS THE SAME SYMPTOMS DESCRIBED UNDER RECALL 04V421000 AND THE CONTINUOUS CHECK ENGINE LIGHT. I HAVE HAD ALL SENSORS REPAIRED THAT CAME UP IN ENGINE DIAGNOSTIC TESTING . ACCORDING TO LAST TEST DONE, READS FUEL IS RUNNING LEAN BUT CAN'T REPAIR BECAUSE NO CODE APPEARS FOR THAT TO SHOW WHERE PROBLEM LIES. I HAVE HAD FUEL SYSTEM FLUSHED TO HELP REMEDY PROBLEM. STILL HAVING ISSUES. *TR

NHTSA ODI #10189652

108,000 miles · Apr 10, 2007
Visibility

TL*- THE CONTACT HAS A 1999 MERCURY COUGAR WITH A FAILURE MILEAGE OF 107,000. WHEN THE CONTACT OPENED THE SUN ROOF SHE HEARD A SNAPPING SOUND. THE CONTACT TOOK THE VEHICLE TO THE DEALER, AND WAS TOLD THAT SHE HAD TO REPLACE THE SUN ROOF ASSEMBLY. SHE FELT THAT THIS WAS A VERY EXPENSIVE REPAIR FOR A PART THAT ONLY NEEDED A PLA…

Read full complaint

TL*- THE CONTACT HAS A 1999 MERCURY COUGAR WITH A FAILURE MILEAGE OF 107,000. WHEN THE CONTACT OPENED THE SUN ROOF SHE HEARD A SNAPPING SOUND. THE CONTACT TOOK THE VEHICLE TO THE DEALER, AND WAS TOLD THAT SHE HAD TO REPLACE THE SUN ROOF ASSEMBLY. SHE FELT THAT THIS WAS A VERY EXPENSIVE REPAIR FOR A PART THAT ONLY NEEDED A PLASTIC PIECE REPLACED. THE CURRENT MILEAGE WAS 137,000 MILES. *AK THE CONSUMER HAS PROVIDED MULTIPLE PAGES OF VARIOUS CUSTOMERS AND THE PROBLEMS OF THEIR MERCURY COUGARS WHICH ARE LOCATED ON WWW.COUGARSUNROOF.COM AND BROKEN SUNROOF POLL. THE CONSUMER HAS ALSO PROVIDED THE INVOICE WITH AN ESTIMATE FOR REPAIR. UPDATE 05/09/07*TR

NHTSA ODI #10187494

Mileage unknown · Apr 2, 2007
Exterior Lighting

TL*-THE CONTACT OWNS A 1999 MERCURY COUPE. HE HAS NOT RECEIVED ANY NOTIFICATION IN THE MAIL STATING THAT THIS PARTICULAR VEHICLE WAS NOT A PART OF THE RECALL, HE WANTED TO NOTE THAT THERE COULD BE A POTENTIAL FAILURE OF THE EXTERIOR HEADLIGHT LENS. THERE HAD BEEN NO FAILURES TO DATE. THE CURRENT MILEAGE WAS 50,600.*AK

NHTSA ODI #10186756

Mileage unknown · Mar 15, 2007
Engine And Engine Cooling

MY 1999 COUGAR WAS TAKEN IN FOR A TUNE UP RECENTLY. THE SPARK PLUGS WERE REPLACED WITH NEW ONES. APPROXIMATELY 3 WEEKS LATER ONE OF THEM BLEW BECAUSE FORD MADE A DEFECTIVE SPARK PLUG THREAD. NOW I CANNOT GET IT FIXED BECAUSE A FORD SPECIALIST MUST GO THROUGH THE ENGINE TO REPAIR AND IT WILL COST $1300.00. I THOUGHT GETTING A…

Read full complaint

MY 1999 COUGAR WAS TAKEN IN FOR A TUNE UP RECENTLY. THE SPARK PLUGS WERE REPLACED WITH NEW ONES. APPROXIMATELY 3 WEEKS LATER ONE OF THEM BLEW BECAUSE FORD MADE A DEFECTIVE SPARK PLUG THREAD. NOW I CANNOT GET IT FIXED BECAUSE A FORD SPECIALIST MUST GO THROUGH THE ENGINE TO REPAIR AND IT WILL COST $1300.00. I THOUGHT GETTING A TUNE UP WAS A GOOD THING! *JB

NHTSA ODI #10185234

146,000 miles · Mar 15, 2007
Latches/locks/linkages

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE FRONT AND DRIVER'S DOOR LATCH STUCK ON THE VEHICLE, CAUSING THE DOORS NOT TO CLOSE PROPERLY. WHILE MAKING A LEFT TURN THE PASSENGER'S DOOR CAME OPEN. THERE WERE NO INJURIES. THE LOCAL MECHANIC STATED THAT THE DOOR LATCH STUCK THE CURRENT VEHICLE AND FAILURE MILEAGE WERE 1460…

Read full complaint

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE FRONT AND DRIVER'S DOOR LATCH STUCK ON THE VEHICLE, CAUSING THE DOORS NOT TO CLOSE PROPERLY. WHILE MAKING A LEFT TURN THE PASSENGER'S DOOR CAME OPEN. THERE WERE NO INJURIES. THE LOCAL MECHANIC STATED THAT THE DOOR LATCH STUCK THE CURRENT VEHICLE AND FAILURE MILEAGE WERE 146000. *AK UPDATED 04/05/07. *JB

NHTSA ODI #10185203

Official recalls

7

04V421000 · Fuel System, Gasoline

Aug 30, 2004

ON CERTAIN PASSENGER VEHICLES, CONTAMINATION OF THE FILTER IN THE FUEL DELIVERY MODULE (FDM) CAN REDUCE, AND EVENTUALLY BLOCK, THE FLOW OF FUEL TO THE ENGINE.

Consequence & remedy

Consequence: THIS MAY CAUSE ENGINE HESITATION, LOSS OF POWER, SURGING, AND OTHER SIMILAR SYMPTOMS. OVER TIME, THE FILTER MAY BECOME SUFFICIENTLY BLOCKED TO CAUSE THE ENGINE TO STALL, WHICH COULD RESULT IN A CRASH.

Remedy: THIS ACTION IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN AND IS NOT BEING CONDUCTED UNDER THE SAFETY ACT. ALL OWNERS WILL BE NOTIFIED OF THE PROBLEM, AND DEALERS WILL REPLACE THE FDM WITH A NEW DESIGN AT NO CHARGE IF THE OWNER REPORTS THAT THE VEHICLE EXHIBITS ANY OF THE IDENTIFIED SYMPTOMS. THE FREE REPLACEMENT WILL BE AVAILABLE FOR A PERIOD OF 10 YEARS FOLLOWING THE ORIGINAL PURCHASE OF THE VEHICLE, WITH NO MILEAGE LIMIT. THE CAMPAIGN BEGAN ON APRIL 16, 2004. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673.

01V230000 · Electrical System

Jul 9, 2001

ON CERTAIN MY 1996-1998 PASSENGER VEHICLES BUILT AT THE KANSAS CITY, CUAUTITLAN ASSEMBLY PLANTS OR ON MY 1999 PASSENGER VEHCLES BUILT AT THE AUTOMOTIVE ALLIANCE INTERNATIONAL ASSEMBLY PLANTS, THE ROUGH SURFACE OF THE HEATER BLOWER RESISTOR'S STAINLESS STEEL BLADES CAN DAMAGE THE COPPER SURFACE OF THE WIRING HARNESS CONNECTOR. THE DAMAGE COULD, OVER TIME, CAUSE INCREASED RESISTANCE IN THE CONNECTOR AND, DUE TO SUBSEQUENT TERMINAL RELAXATION, RESULT IN AN OPEN CIRCUIT CONDITION.

Consequence & remedy

Consequence: THE OPEN CIRCUIT COULD LEAD TO ELECTRICAL ARCING THAT COULD MELT THE CONNECTOR HOUSING MATERIAL CREASING THE POTENTIAL FOR A FIRE.

Remedy: DEALERS WILL INSTALL A NEW HEATER BLOWER RESISTOR AND A NEW WIRE JUMPER HARNESS. OWNER NOTIFICATION BEGAN AUGUST 29, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-800-392-3673.

01V031000 · Electrical SYSTEM:12V/24V/48V Battery:cables

Feb 6, 2001

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 2.5L V6 ENGINES. THE BATTERY CABLE WAS MISROUTED AND ITS ATTACHMENT TO THE ALTERNATOR CABLE WAS UNDER-TORQUED. IF MISROUTED, THE CABLE COULD CONTACT THE POWER STEERING LINE AND THE INSULATION COULD WEAR, RESULTING IN AN ELECTRICAL SHORT.

Consequence & remedy

Consequence: THE SHORT COULD POTENTIALLY RESULT IN A FIRE, STALLING, OR A NO-START CONDITION.

Remedy: DEALERS WILL INSPECT THE BATTERY CABLE TO THE ALTERNATOR FOR DAMAGE AND, IF IT IS DAMAGED, WILL REPLACE THE CABLE. ADDITIONALLY, THE ROUTING OF THE CABLE WILL BE CORRECTED, AS NECESSARY, AND A ROUTING CLIP WILL BE ADDED. ALSO THE TORQUE ON THE ALTERNATOR ATTACHMENT OF THE CABLE WILL BE CHECKED AND, AS REQUIRED, WILL BE TIGHTENED TO SPECIFICATION. OWNER NOTIFICATION BEGAN MARCH 22, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-800-392-3673.

01V032000 · Exterior Lighting:brake Lights:switch

Feb 6, 2001

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE BRAKE LAMP SWITCH TERMINALS COULD OVERHEAT.

Consequence & remedy

Consequence: THIS COULD CAUSE EITHER A LOSS OF BRAKE LAMP FUNCTION OR CONTINUOUSLY ILLUMINATED BRAKE LAMPS, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSTALL A NEW STOP LAMP EXTENSION HARNESS WITH BRONZE TERMINALS AT THE BRAKE LAMP SWITCH CONNECTOR, AND ALSO INSPECT THE BRAKE LAMP SWITCH FOR SIGNS OF OVERHEATING AND REPLACE, AS REQUIRED. OWNER NOTIFICATION BEGAN MARCH 22, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-800-392-3673.

00V075000 · Service Brakes, Hydraulic:foundation Components

Mar 9, 2000

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.

Consequence & remedy

Consequence: IF BOTH PCRV'S MALFUNCTION, VEHICLE HANDLING COULD BE ADVERSELY AFFECTED DURING BRAKING AS A RESULT OF THE REAR WHEELS LOCKING, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSTALL IMPROVED PCRV'S IN THE REAR BRAKE SYSTEM. THIS RECALL WAS EXPANDED IN SEPTEMBER 2000 TO INCLUDE 1999 AND 2000 FORD CONTOUR, MERCURY MYSTIQUE AND COUGAR VEHICLES.

99V226000 · Latches/locks/linkages:doors:latch

Aug 18, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE DOOR LATCH MAY HAVE BEEN MANUFACTURED WITH A LATCH PAWL THAT HAS A COATING WHICH WILL SWELL IN HIGH HUMIDITY CONDITIONS. THE LATCH PAWL MAY THEN STICK IN THE OPEN OR UNLATCHED POSITION.

Consequence & remedy

Consequence: THE DOOR WOULD NOT LATCH WHEN CLOSED. IF THE VEHICLE IS DRIVEN IN THIS CONDITION, IT COULD POTENTIALLY RESULT IN THE DOOR OPENING WHILE THE VEHICLE IS IN MOTION.

Remedy: DEALERS WILL INSTALL A REVISED SIDE DOOR LATCH.

99V194000 · Vehicle Speed Control

Jul 20, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE ACCELERATOR CABLE MAY HAVE BEEN MANUFACTURED WITH A BURR ON OR NEAR THE END OF THE CABLE SLEEVE INTERIOR. THIS BURR COULD FRAY THE CORE WIRE RESULTING IN THE ACCELERATOR NOT RETURNING TO IDLE WHEN THE ACCELERATOR IS RELEASED.

Consequence & remedy

Consequence: THIS CONDITION CAN RESULT IN THE THROTTLE STICKING, BINDING, OR CAUSING HIGH ENGINE RPM.

Remedy: DEALERS WILL INSTALL A REVISED ACCELERATOR CABLE THAT HAS A FLARED CONDUIT SLEEVE END AND MOLDED ON END FITTING.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA01001 · Blower Switch/resistor Or Wiring Harness

Opened Jan 5, 2001 · Closed Jul 31, 2001

Status: closed (inferred from source dates) · Electrical System

There is no summary currently available

Additional source detail variants (2)

Electrical System

There is no summary currently available

Electrical System

There is no summary currently available