Complaints
25
Crashes
1
Fires
3
Injuries
0
Fatalities
—
Recalls
0
Worst 1984 Mercury Cougar Problems
Top 3 most-reported issues with average mileage at failure.
#16 complaints
Electrical System:Ignition:Switch
Fires:3
#23 complaints
Engine And Engine Cooling:Engine:Gasoline
#32 complaints
Electrical System:Ignition:Module
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All Problems by Category
Every NHTSA complaint category for the 1984 Mercury Cougar.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical System:Ignition:Switch | 6 | — | 3 | — | |
| Engine And Engine Cooling:Engine:Gasoline | 3 | — | — | — | |
| Electrical System:Ignition:Module | 2 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Disc | 2 | — | — | — | |
| Electrical System:12v/24v/48v Battery | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control | 1 | — | — | — | |
| Fuel System, Gasoline:Fuel Injection System | 1 | — | — | — | |
| Seat Belts:Front:Buckle Assembly | 1 | — | — | — | |
| Seat Belts:Front:Retractor | 1 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 1 | — | — | — | |
| Service Brakes, Hydraulic:Brake Fluid Low Warning: Lamp | 1 | — | — | — | |
| Steering:Linkages:Arm:Idler And Attachment | 1 | — | — | — | |
| Steering:Rack And Pinion | 1 | — | — | — | |
| Unintended Acceleration | 1 | 1 | — | — | |
| Visibility:Defroster/Defogger/Hvac System:Windshield:Electrical Heating Element | 1 | — | — | — |
Electrical System:Ignition:Switch
6
complaints
Crashes
—
Fires
3
Avg Miles
—
Engine And Engine Cooling:Engine:Gasoline
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Ignition:Module
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Foundation Components:Disc
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:12v/24v/48v Battery
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Exhaust System:Emission Control
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Gasoline:Fuel Injection System
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belts:Front:Buckle Assembly
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belts:Front:Retractor
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Brake Fluid Low Warning: Lamp
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Linkages:Arm:Idler And Attachment
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Rack And Pinion
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Unintended Acceleration
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Visibility:Defroster/Defogger/Hvac System:Windshield:Electrical Heating Element
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1984 Mercury Cougar. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Mercury Cougar Years
1984 Mercury Cougar — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1984 Mercury Cougar reliable?
Verdict: Below Average Complaints. The 1984 Mercury Cougar has 25 NHTSA complaints, 1 crash-related, and 0 recall campaigns. The most common issue is Electrical System:Ignition:Switch with 6 complaints. Source: NHTSA via VinItel.
What are common problems with the 1984 Mercury Cougar?
Top reported problems: Electrical System:Ignition:Switch (6 complaints); Engine And Engine Cooling:Engine:Gasoline (3 complaints); Electrical System:Ignition:Module (2 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
How safe is the 1984 Mercury Cougar?
NHTSA complaints for the 1984 Mercury Cougar include 1 crash-related reports, 3 fire reports, 0 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 1984 Mercury Cougar have any recalls?
No NHTSA recall campaigns have been issued for the 1984 Mercury Cougar as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 1984 Mercury Cougar?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mercury Cougar reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1984 Mercury Cougar
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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