VehicleVerdict

1999 Mercury Cougar problems

Verdict · NHTSA data

One of the years to avoid

With 740 complaints filed to NHTSA — about 246.7 times the median Cougar year — the 1999 model ranks #1 of 37 Cougar years for complaint volume. It lands on the years-to-avoid list. Reports tied to this model year include one death and 38 injuries, per the complaint records themselves.

No single system dominates the record — complaints spread across electrical system (122), brakes (91), and engine (76), which usually points to general build quality rather than one defect.

740

NHTSA complaints

9

Recalls

1

Investigations

34

Crash-involved

3

Fires reported

38

Injuries

1

Deaths

NCAP overall

How does 1999 compare to other Cougar years?

See all Cougar years to avoid →

What are the most common 1999 Mercury Cougar problems?

ComponentComplaintsShare
Electrical System12216%
Brakes9112%
Engine7610%
Visibility & Wipers568%
Transmission537%
Fuel System466%
Lighting426%
Body & Structure385%
Tires & Wheels365%
Airbags334%
Speed Control324%
Other284%
Suspension243%
Steering213%
Latches & Locks182%
Seats132%
Climate Control (A/C & Heat)51%
Seat Belts51%
Driver Assistance10%

Does the 1999 Mercury Cougar have recalls?

9 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

08E033000SuspensionApril 14, 2008 · 6,903 units

Defect

FEDERAL MOGUL IS RECALLING 6,903 AFTERMARKET BALL JOINT ASSEMBLIES SHIPPED BETWEEN NOVEMBER 9, 2007 AND MARCH 26, 2008, WHICH MAY HAVE BEEN PACKAGED WITH INCORRECT NUTS. THE PART NUMBERS PACKAGED WITH INCORRECT NUTS ARE: K7147, K7329, K8683, AND 104353. THESE PARTS WERE MADE FOR USE ON THE VARIOUS VEHICLES LISTED ABOVE.

Consequence

THE NUTS INCLUDED IN THE PACKAGING FOR THESE BALL JOINT ASSEMBLIES ARE MISSING THE INTENDED PREVAILING TORQUE (SELF-LOCKING) FEATURE. IF THE INCORRECT NUT WAS TO BECOME LOOSE, THE JOINING MEMBERS MAY LOOSEN LEADING TO A SEPARATION OF THE BALL JOINT. THIS MAY RESULT IN LOSS OF VEHICLE CONTROL, POSSIBLY RESULTING IN A VEHICLE CRASH.

Remedy

FEDERAL MOGUL WILL NOTIFY OWNERS AND REPLACE THE PARTS FREE OF CHARGE. THE RECALL BEGAN ON MAY 22, 2008. OWNERS CAN CONTACT FEDERAL MOGUL AT 877-489-6659.

06E022000BrakesMarch 13, 2006 · 7,440 units

Defect

CERTAIN AFTERMARKET BRAKE HYDRAULIC MASTER CYLINDERS SOLD AS REPLACEMENT BRAKE CYLINDERS FOR CERTAIN FORD, DAIMLERCHRYSLER, AND JEEP PASSENGER VEHICLES. THESE BRAKE CYLINDERS WERE SOLD UNDER THE BRAND NAMES OF NAPA, RAYBESTOS, AIMCO, AC DELCO, CARQUEST, BENDIX, AND WAGNER. ONLY PRODUCTS THAT WERE MANUFACTURED FROM JULY 27, 2005 THROUGH JANUARY 17, 2006 (DATE CODES 0529 THROUGH 0602) ARE SUBJECT TO THIS RECALL. WHEN SUBJECT TO VERY COLD TEMPERATURES, AN INTERNAL SEAL IN THE MASTER CYLINDER COULD LOSE FLEXIBILITY AND MAY CAUSE BRAKE FLUID TO LEAK.

Consequence

LOSS OF BRAKE FLUID CAN LEAD TO A DECREASE IN BRAKE LINE PRESSURE AND AN INCREASE IN STOPPING DISTANCE, WHICH CAN RESULT IN A VEHICLE CRASH.

Remedy

AFFINIA (BRAKE PARTS, INC.) WILL REPLACE THE SUBJECT BRAKE HYDRAULIC MASTER CYLINDERS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 20, 2006. OWNERS CAN CONTACT AFFINA GROUP CUSTOMER SERVICE AT 1-800-323-0354.

04V421000Fuel SystemAugust 30, 2004 · 88,600 units

Defect

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

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.

01V230000Electrical SystemJuly 9, 2001 · 342,962 units

Defect

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

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.

01V031000Electrical SystemFebruary 6, 2001 · 120,000 units

Defect

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

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.

01V032000LightingFebruary 6, 2001 · 33,000 units

Defect

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

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.

00V075000BrakesMarch 9, 2000 · 436,200 units

Defect

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

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.

99V226000Latches & LocksAugust 18, 1999 · 10,011 units

Defect

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

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.

99V194000Speed ControlJuly 20, 1999 · 159,565 units

Defect

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

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.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

PRIOR TO RECALL NOTICE 01V-031 THE VEHICLE EXPERIENCED ELECTRICAL PROBLEMS WHICH CAUSED THE VEHICLE TO STALL WHILE DRIVING, THE CONSUMER LEFT THE VEHICLE TO GET ASSISTANCE AND UPON RETURNING TO THE VEHICLE HE FOUND THE FRONT OF THE VEHICLE WAS ON FIRE. NLM

Complaint filed with NHTSA · Electrical System · February 12, 2001 · fire

WHILE DRIVING ON A 4-LANE HIGHWAY, LIGHTS ON THE DASHBOARD LIT UP AND ENGINE DIED. THEN, CONSUMER LOST CONTROL OF THE VEHICLE. WITH NO BRAKES OR STEERING VEHICLE STARTED TO SPIN OUT OF CONTROL AND HIT A GUARDRAIL AT ABOUT 55MPH. CONSUMER SAID IT WAS A ENGINE PROBLEM. AIRBAGS DID NOT DEPLOY.*AK *ML

Complaint filed with NHTSA · Brakes · July 3, 2000 · crash

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, SMOKE STARTED TO EMIT FROM THE ENGINE AND CAUGHT ON FIRE. THE CONTACT MENTIONED THAT THE FIRE EXTINGUISHED INDEPENDENTLY. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE…

Complaint filed with NHTSA · Engine · March 25, 2014 · fire

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT THE SUNROOF SEPARATED FROM THE VEHICLE, WHICH COULD CAUSE POSSIBLE WATER DAMAGE. THE DEALER AND MANUFACTURER WERE NOTIFIED, BUT DENIED ANY ASSISTANCE WITH REPAIRS OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE…

Complaint filed with NHTSA · Visibility & Wipers · September 5, 2011

I WAS DRIVING DOWN AN INTERSTATE ROAD ON THE MORNING OF JULY 3RD 2000. A CONSIDERABLE AMOUNT OF RAIN HAD FALLEN ON THE ROAD AND IT WAS STILL RAINING SLIGHTLY THE SECTION OF THE ROAD THAT I WAS ON WAS COMPLETELY STRAIGHT. I WAS IN THE LEFT LANE DOING ABOUT 55MPH ON THE 65MPH ROAD WHEN I FELT THE CAR…

Complaint filed with NHTSA · Transmission · July 3, 2000 · crash

1999 Mercury Cougar — common questions

Is the 1999 Mercury Cougar reliable?

NHTSA data argues against it: 740 complaints put the 1999 model at #1 of 37 Cougar years. It is one of the Cougar years to avoid.

What are the most common 1999 Cougar problems?

According to NHTSA complaint data, the leading problem areas are electrical system (122 complaints), brakes (91 complaints), engine (76 complaints).

Does the 1999 Mercury Cougar have recalls?

Yes — NHTSA lists 9 recall campaigns affecting the 1999 Mercury Cougar. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Is the 1999 Mercury Cougar under NHTSA investigation?

NHTSA opened one investigation into this model year; all are now closed.

Which Mercury Cougar years should you avoid?

Based on complaint rates and open investigations, the Cougar years to avoid are 1999, 2000, 1993, 1994, 1995, 2002, 1992, 1997, 1989, 1990, 2001, 1991, 1996, 1988, 1987. The cleanest record among Cougar years belongs to 1981.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.