MERCURY COUGAR · model year

1999 MERCURY COUGAR

740 NHTSA complaints, 34 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1999MERCURYCOUGAR carries 740 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 34 crashes, 3 fires, 38 injuries, and 1 fatality. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1999 COUGAR is electrical system with 40 filings, followed by visibility:sun/moon roof assembly (33) and power train:automatic transmission (31). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 22 investigation files overlapping the 1999 COUGAR. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

740
Complaints
34
Crashes
3
Fires
38
Injuries
1
Deaths

Total Complaints

740 filings

Crashes Reported

34 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

Above median complaint volume — review patterns below.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM40
VISIBILITY:SUN/MOON ROOF ASSEMBLY33
POWER TRAIN:AUTOMATIC TRANSMISSION31
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS31
UNKNOWN OR OTHER26
ENGINE AND ENGINE COOLING:ENGINE26
VEHICLE SPEED CONTROL23
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE21
AIR BAGS:FRONTAL18
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC17
TIRES17
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP16
FUEL SYSTEM, GASOLINE16
AIR BAGS14
ENGINE AND ENGINE COOLING13

Recent Complaints

20171212FUEL/PROPULSION SYSTEM

YES, I PURCHASED MY VEHICLE IN JULY OF 2017. WHEN I TEST DROVE THE VEHICLE, EVERYTHING SEEMED PERFECTLY FINE. YET, THE DAY I RECEIVED IT, I WENT TO THE GAS STATION TO FILL UP. UPON RETURNING HOME, 1 MILE., THE ENGINE LIGHT CAME ON. I WAS TOLD BY THE SELLER ALL WAS PERFECTLY FINE. DRIVE THE CAR, IT WILL BE FINE. I WAS CONCERNED AND I TOOK THE VEHICLE TO MY MECHANIC. AFTER RUNNING SOME DIAGNOSTIC TESTS, I WAS TOLD I NEEDED A CATALYIC CONVERTER, REPAIRS OVER $1500.00. I WAS READING THE RECALLS FOR THIS VEHICLE AND CAME ACROSS CAMPAIGN ID# NHTSA 04V421000. THE RECALL WAS FOR CONTAMINATION OF THE FILTER I THE FUEL DELIVERY MODE(FDM) CAN REDUCE AND EVENTUALLY BLOCK, THE FLOW OF FUEL TO THE ENGINE. IN WHICH, CAN CAUSE MANY PROBLEMS. I HAVE THOSE PROBLEMS WITH THE VEHICLE. UPON STARTING, IT REVIVES UP, THEN EVENTUALLY SLOWS DOWN AND ALMOST KILLS. IT SOUNDS AS IF NO GAS IS GETTING TO THE ENGINE. LOSS OF POWER, STALLING. MY QUESTION IS HOW I COULD FIND OUT IF THIS RECALL WAS DONE TO THE VEH

Mileage: 680,000

20170125AIR BAGS

I GOT IN MY CAR ONE DAY AFTER WORK IN THE PARKING LOT AND STARTED MY CAR AND MY AIRBAG LIGHT WAS ON. IT STAYED ON FOR THREE DAYS AND IS NO LONGER ON. IT SEEMS LIKE NO ONE WANTS TO TAKE ACCOUNT OR PROVIDE SOLUTIONS FOR THE PROBLEM. EVERYTIME I ROLL UP MY WINDOWS, MY LIGHTS DIM AS IF THE BATTERY IS DYING. MY WINDSHIELD WIPER CONTROL DOESN'T SHUT OFF AND IM NOT ABLE TO CHANGE THE SPEED.

20170125ELECTRICAL SYSTEM

I GOT IN MY CAR ONE DAY AFTER WORK IN THE PARKING LOT AND STARTED MY CAR AND MY AIRBAG LIGHT WAS ON. IT STAYED ON FOR THREE DAYS AND IS NO LONGER ON. IT SEEMS LIKE NO ONE WANTS TO TAKE ACCOUNT OR PROVIDE SOLUTIONS FOR THE PROBLEM. EVERYTIME I ROLL UP MY WINDOWS, MY LIGHTS DIM AS IF THE BATTERY IS DYING. MY WINDSHIELD WIPER CONTROL DOESN'T SHUT OFF AND IM NOT ABLE TO CHANGE THE SPEED.

20170125EXTERIOR LIGHTING

I GOT IN MY CAR ONE DAY AFTER WORK IN THE PARKING LOT AND STARTED MY CAR AND MY AIRBAG LIGHT WAS ON. IT STAYED ON FOR THREE DAYS AND IS NO LONGER ON. IT SEEMS LIKE NO ONE WANTS TO TAKE ACCOUNT OR PROVIDE SOLUTIONS FOR THE PROBLEM. EVERYTIME I ROLL UP MY WINDOWS, MY LIGHTS DIM AS IF THE BATTERY IS DYING. MY WINDSHIELD WIPER CONTROL DOESN'T SHUT OFF AND IM NOT ABLE TO CHANGE THE SPEED.

20161124POWER TRAIN

TRANSMISSION HAVING PROBLEMS GOING INTO GEAR CONSTANTLY SLIPPING AND CATCHING GEARS WHEN TRYING TO DRIVE ONLY GETS UP TO 30 MPH

Mileage: 150,000

20160808SERVICE BRAKES

CALIPERS CONSTANTLY FALLS OFF CAUSING WHEEL TO LOCK UP

Mileage: 120,000

20160627ELECTRICAL SYSTEM

I HAVE PROBLEM WITH TRANSMMITION SHIFTING 1ST TO SECOND CHANGES AT 3000RPM BUT WHEN I CHANGE PARK TO DRIVE SHAKES MOTOR BAD , ONE OF THE WIRES START SMOKING I LIKE I PUT TAPE AROUND WIRED BURND. TEMPERATURE IT DOESN'T SHOW BUT WHEN I OPEN THE HOOD THE CAR IS VERY HOT EVERY TIME I TRIED DRIVING IT AT FREEWAY OVERDRIVE LIGHT STARTS BLINKING I LIKE I PAID TO GET IT FIX AND STILL DOES THE SAME.

20160627VEHICLE SPEED CONTROL

I HAVE PROBLEM WITH TRANSMMITION SHIFTING 1ST TO SECOND CHANGES AT 3000RPM BUT WHEN I CHANGE PARK TO DRIVE SHAKES MOTOR BAD , ONE OF THE WIRES START SMOKING I LIKE I PUT TAPE AROUND WIRED BURND. TEMPERATURE IT DOESN'T SHOW BUT WHEN I OPEN THE HOOD THE CAR IS VERY HOT EVERY TIME I TRIED DRIVING IT AT FREEWAY OVERDRIVE LIGHT STARTS BLINKING I LIKE I PAID TO GET IT FIX AND STILL DOES THE SAME.

20160627UNKNOWN OR OTHER

I HAVE PROBLEM WITH TRANSMMITION SHIFTING 1ST TO SECOND CHANGES AT 3000RPM BUT WHEN I CHANGE PARK TO DRIVE SHAKES MOTOR BAD , ONE OF THE WIRES START SMOKING I LIKE I PUT TAPE AROUND WIRED BURND. TEMPERATURE IT DOESN'T SHOW BUT WHEN I OPEN THE HOOD THE CAR IS VERY HOT EVERY TIME I TRIED DRIVING IT AT FREEWAY OVERDRIVE LIGHT STARTS BLINKING I LIKE I PAID TO GET IT FIX AND STILL DOES THE SAME.

20160527ENGINE

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. WHILE DRIVING APPROXIMATELY 5 MPH APPROACHING A STOP, THE VEHICLE IDLED AND STALLED WITHOUT WARNING. IN ADDITION, THE SPEEDOMETER FLUCTUATED. THE FAILURE RECURRED, ESPECIALLY WHEN THE HEATER WAS ACTIVATED. THE CONTACT WOULD HAVE TO TURN THE IGNITION KEY IN ORDER FOR THE VEHICLE TO TURN BACK ON AND BE ABLE TO BE DRIVEN AGAIN. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 98,000.

Mileage: 98,000

20151218ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT ALSO STATED THAT WHILE ATTEMPTING TO START THE VEHICLE, THE VEHICLE FAILED TO START. THE VEHICLE WAS ABLE TO START AFTER SEVERAL ATTEMPTS, HOWEVER THE VEHICLE FAILED AFTER THE CONTACT DROVE FOR A COUPLE OF MILES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE ALTERNATOR AND FUEL PUMP HAD FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 01V031000 (ELECTRICAL SYSTEM) OR 04V421000 (FUEL SYSTEM, GASOLINE). THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 115,000.

Mileage: 115,000

20151218FUEL/PROPULSION SYSTEM

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT ALSO STATED THAT WHILE ATTEMPTING TO START THE VEHICLE, THE VEHICLE FAILED TO START. THE VEHICLE WAS ABLE TO START AFTER SEVERAL ATTEMPTS, HOWEVER THE VEHICLE FAILED AFTER THE CONTACT DROVE FOR A COUPLE OF MILES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE ALTERNATOR AND FUEL PUMP HAD FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 01V031000 (ELECTRICAL SYSTEM) OR 04V421000 (FUEL SYSTEM, GASOLINE). THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 115,000.

Mileage: 115,000

20151122ELECTRICAL SYSTEM

1999 COUGAR BATTERY CONNECTION PROBLEMS OR SOMETHING FAULTY. SOMETIMES WHILE I'M DRIVING MY CAR JUST GOES DEAD. IT'S DONE THAT A LOT LATELY. I NOW HAVE A NEW BATTERY BUT THE SAME THING HAPPENS AND I'M SCARED WHEN IT HAPPENS ON THE FREEWAY . TONIGHT I WAS DRIVING ON THE FREEWAY AND IT WENT DEAD! I HAD NO LIGHTS , I HAD NO TAIL LIGHTS,NO HEAD LIGHTS ,NO BLINKERS AND NO EMERGENCY LIGHTS AND THE CAR CLOSE BEHIND ME HAD TO SLAM ON BREAKS CAUSE THERE WAS NO EMERGENCY LANE, NO SIDE OF THE ROAD JUST A GUARD RAIL! I WAS IN THE MIDDLE OF THE ROAD . BRAND NEW BATTERY JUST GOES DEAD LIKE IT DID MANY TIMES ON THE OLDER BATTERY IT'S NOT THE ALTERNATOR EITHER...SOMETHING IS NOT MAKING A CONNECTION. I'M GONNA END UP SQUASHED, DEAD CAUSE ON A FREEWAY AT NIGHT WHEN THE CAR DIES EVERYTHING DIES: LIGHTS,TAIL LIGHTS AND EMERGENCY LIGHTS IF IM IN THE DARK NO ONE WOULD SEE ME IN TIME TO STOP IF IM IN THE MIDDLE OF THE ROAD.

Mileage: 191,487

20151122UNKNOWN OR OTHER

1999 COUGAR BATTERY CONNECTION PROBLEMS OR SOMETHING FAULTY. SOMETIMES WHILE I'M DRIVING MY CAR JUST GOES DEAD. IT'S DONE THAT A LOT LATELY. I NOW HAVE A NEW BATTERY BUT THE SAME THING HAPPENS AND I'M SCARED WHEN IT HAPPENS ON THE FREEWAY . TONIGHT I WAS DRIVING ON THE FREEWAY AND IT WENT DEAD! I HAD NO LIGHTS , I HAD NO TAIL LIGHTS,NO HEAD LIGHTS ,NO BLINKERS AND NO EMERGENCY LIGHTS AND THE CAR CLOSE BEHIND ME HAD TO SLAM ON BREAKS CAUSE THERE WAS NO EMERGENCY LANE, NO SIDE OF THE ROAD JUST A GUARD RAIL! I WAS IN THE MIDDLE OF THE ROAD . BRAND NEW BATTERY JUST GOES DEAD LIKE IT DID MANY TIMES ON THE OLDER BATTERY IT'S NOT THE ALTERNATOR EITHER...SOMETHING IS NOT MAKING A CONNECTION. I'M GONNA END UP SQUASHED, DEAD CAUSE ON A FREEWAY AT NIGHT WHEN THE CAR DIES EVERYTHING DIES: LIGHTS,TAIL LIGHTS AND EMERGENCY LIGHTS IF IM IN THE DARK NO ONE WOULD SEE ME IN TIME TO STOP IF IM IN THE MIDDLE OF THE ROAD.

Mileage: 191,487

20150611STRUCTURE:BODY

I HAVE ALWAYS HAD MY CAR WASHED AND RUST PROOFED DURING THE WINTER EVER 2 WEEKS. LAST DECEMBER THE PAINT UNDER THE BOTTOM OF BOTH THE DRIVERS AND PASSENGER DOORS STARTED HAVING THE PAINT BUBBLE UP ON BOTH ROCKER PANELS. IT STARTED BUBBLING UP THEN CURLING AND THE PAIN STARTED COMING OFF. IVE SEEN MANY OTHER COUGARS WITH THIS SAME PROBLEM AND FEEL IT IS DUE TO A DEFECT IN THE PAINT THAT WAS USED OR SOMETHING MISSING FROM THE PAINT JOB THAT WAS DONE

Mileage: 175,000

20150611UNKNOWN OR OTHER

I HAVE ALWAYS HAD MY CAR WASHED AND RUST PROOFED DURING THE WINTER EVER 2 WEEKS. LAST DECEMBER THE PAINT UNDER THE BOTTOM OF BOTH THE DRIVERS AND PASSENGER DOORS STARTED HAVING THE PAINT BUBBLE UP ON BOTH ROCKER PANELS. IT STARTED BUBBLING UP THEN CURLING AND THE PAIN STARTED COMING OFF. IVE SEEN MANY OTHER COUGARS WITH THIS SAME PROBLEM AND FEEL IT IS DUE TO A DEFECT IN THE PAINT THAT WAS USED OR SOMETHING MISSING FROM THE PAINT JOB THAT WAS DONE

Mileage: 175,000

20150611SERVICE BRAKES

TO WHOM IT MAY CONCERN: (MANAGEMENT) I WAS DRIVING ON A RESIDENTIAL STREET AND WAS HONKED AT BY ANOTHER DRIVER WHO TOLD ME THAT MY BRAKES LIGHTS WERE NOT WORKING. I HAD A FRIEND OF MINE THAT IS A CERTIFIED REPAIR PERSON LOOK AT IT AND HE SAID IT WASN'T THE LIGHT OR THE FUSE OR THE BRAKE SWITCH UNDER THE PEDAL AND THAT HE WAS 95% SURE IT WAS THE STOP LAMP EXTENSION HARNESS THAT HAS BRONZE TERMINALS AT THE BRAKE LAMP SWITCH CONNECTOR. I BOUGHT THIS CAR IN 2004 AND UNDER A RECALL HAD THE BLOWER SWITCH RESISTOR REPAIRED UNDER THE RECALL. THE REASON THE RECALLS FOR THIS CAR ARE NOT SHOWING UP IS BECAUSE THE RECALLS ARE MORE THAN 15 YEARS OLD & THEY DON'T KEEP TRACK AFTER THAT. I HAVE NEVER HAD THIS PROBLEM WITH THIS CAR BEFORE BUT I HAVE HAD OVER $9,000 WORTH OF REPAIRS ON IT SINCE I'VE OWNED IT NOT INCLUDING THE NORMAL OIL CHANGES AND TUNE UP. I THINK FORD NEEDS TO APPROVE THIS FOR THE RECALL CONSIDERING THEY KNEW HOW MANY THINGS WERE WRONG WITH THE COUGARS AND THAT'S WHY THEY DON'T MAKE

Mileage: 175,000

20150611ELECTRICAL SYSTEM

TO WHOM IT MAY CONCERN: (MANAGEMENT) I WAS DRIVING ON A RESIDENTIAL STREET AND WAS HONKED AT BY ANOTHER DRIVER WHO TOLD ME THAT MY BRAKES LIGHTS WERE NOT WORKING. I HAD A FRIEND OF MINE THAT IS A CERTIFIED REPAIR PERSON LOOK AT IT AND HE SAID IT WASN'T THE LIGHT OR THE FUSE OR THE BRAKE SWITCH UNDER THE PEDAL AND THAT HE WAS 95% SURE IT WAS THE STOP LAMP EXTENSION HARNESS THAT HAS BRONZE TERMINALS AT THE BRAKE LAMP SWITCH CONNECTOR. I BOUGHT THIS CAR IN 2004 AND UNDER A RECALL HAD THE BLOWER SWITCH RESISTOR REPAIRED UNDER THE RECALL. THE REASON THE RECALLS FOR THIS CAR ARE NOT SHOWING UP IS BECAUSE THE RECALLS ARE MORE THAN 15 YEARS OLD & THEY DON'T KEEP TRACK AFTER THAT. I HAVE NEVER HAD THIS PROBLEM WITH THIS CAR BEFORE BUT I HAVE HAD OVER $9,000 WORTH OF REPAIRS ON IT SINCE I'VE OWNED IT NOT INCLUDING THE NORMAL OIL CHANGES AND TUNE UP. I THINK FORD NEEDS TO APPROVE THIS FOR THE RECALL CONSIDERING THEY KNEW HOW MANY THINGS WERE WRONG WITH THE COUGARS AND THAT'S WHY THEY DON'T MAKE

Mileage: 175,000

20150611EXTERIOR LIGHTING

TO WHOM IT MAY CONCERN: (MANAGEMENT) I WAS DRIVING ON A RESIDENTIAL STREET AND WAS HONKED AT BY ANOTHER DRIVER WHO TOLD ME THAT MY BRAKES LIGHTS WERE NOT WORKING. I HAD A FRIEND OF MINE THAT IS A CERTIFIED REPAIR PERSON LOOK AT IT AND HE SAID IT WASN'T THE LIGHT OR THE FUSE OR THE BRAKE SWITCH UNDER THE PEDAL AND THAT HE WAS 95% SURE IT WAS THE STOP LAMP EXTENSION HARNESS THAT HAS BRONZE TERMINALS AT THE BRAKE LAMP SWITCH CONNECTOR. I BOUGHT THIS CAR IN 2004 AND UNDER A RECALL HAD THE BLOWER SWITCH RESISTOR REPAIRED UNDER THE RECALL. THE REASON THE RECALLS FOR THIS CAR ARE NOT SHOWING UP IS BECAUSE THE RECALLS ARE MORE THAN 15 YEARS OLD & THEY DON'T KEEP TRACK AFTER THAT. I HAVE NEVER HAD THIS PROBLEM WITH THIS CAR BEFORE BUT I HAVE HAD OVER $9,000 WORTH OF REPAIRS ON IT SINCE I'VE OWNED IT NOT INCLUDING THE NORMAL OIL CHANGES AND TUNE UP. I THINK FORD NEEDS TO APPROVE THIS FOR THE RECALL CONSIDERING THEY KNEW HOW MANY THINGS WERE WRONG WITH THE COUGARS AND THAT'S WHY THEY DON'T MAKE

Mileage: 175,000

20140813ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT THE VEHICLE STALLED WITHOUT WARNING WHILE DRIVING 25 MPH. THE VEHICLE WAS TOWED TO A LOCAL MECHANIC FOR DIAGNOSTIC TESTING. A FAILURE CODE WAS DISPLAYED THAT IDENTIFIED THE ALTERNATOR AS THE CAUSE OF THE FAILURE. THE ALTERNATOR WAS PREVIOUSLY REPLACED THREE TIMES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER STATED THAT THEY WERE UNAWARE OF NHTSA CAMPAIGN NUMBER: 01V031000 (ELECTRICAL SYSTEM). THE FAILURE MILEAGE WAS 34,000.

Mileage: 34,000

Compare 1999MERCURYCOUGAR to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 1999 MERCURY COUGAR have?
The 1999 MERCURY COUGAR has 740 NHTSA complaints, 34 crashes, 3 fires, 38 injuries, and 1 deaths reported.
What are the most common problems with the 1999 MERCURY COUGAR?
The most-complained component for the 1999 MERCURY COUGAR is ELECTRICAL SYSTEM with 40 complaints. Other frequently reported areas include VISIBILITY:SUN/MOON ROOF ASSEMBLY and POWER TRAIN:AUTOMATIC TRANSMISSION.
Is the 1999 MERCURY COUGAR safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.