Complaints
202
Crashes
21
Fires
2
Injuries
14
Fatalities
—
Recalls
0
Worst 1999 Mercury Grand Marquis Problems
Top 3 most-reported issues with average mileage at failure.
#112 complaints
Headlight/Taillight Failures
Avg mileage:143,509 mi
#211 complaints
Engine & Cooling
Avg mileage:103,352 mi
#38 complaints
Unintended Acceleration
Avg mileage:121,500 mi
Crash-related:3
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All Problems by Category
Every NHTSA complaint category for the 1999 Mercury Grand Marquis.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Headlight/Taillight Failures | 12 | — | — | 143,509 mi | |
| Engine & Cooling | 11 | — | — | 103,352 mi | |
| Unintended Acceleration | 8 | 3 | — | 121,500 mi | |
| Engine Problems | 7 | — | — | 136,258 mi | |
| Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe | 7 | — | — | 93,933 mi | |
| Exterior Lighting:Headlights | 7 | — | — | 72,000 mi | |
| Tire Defects | 7 | — | — | 49,000 mi | |
| Electrical Faults | 6 | — | — | 138,200 mi | |
| Suspension Failures | 6 | — | — | 200,000 mi | |
| Air Bags:Frontal | 5 | 5 | — | — | |
| Engine And Engine Cooling:Engine | 5 | — | — | 193,600 mi | |
| Automatic Transmission | 5 | 2 | — | — | |
| Seat Belt Issues | 5 | 1 | — | — | |
| Steering Defects | 5 | 1 | — | 147,425 mi | |
| Steering: Steering Wheel/Handle Bar | 5 | — | — | — | |
| Steering:Linkages:Tie Rod Assembly | 5 | — | — | 62,250 mi | |
| Suspension:Front | 5 | — | — | — | |
| Equipment:Mechanical:Accessory Scissor/Screw/Bottle Jack/Lift | 4 | — | — | — | |
| Electrical System:Ignition | 3 | — | — | — | |
| Fuel System, Other | 3 | — | — | — | |
| Latches/Locks/Linkages:Doors:Latch | 3 | — | — | — | |
| Structure:Body:Door | 3 | — | — | — | |
| Suspension:Rear | 3 | — | — | — | |
| Tires:Tread/Belt | 3 | — | — | — | |
| Electrical System:Horn | 2 | — | — | — | |
| Wiring & Fuses | 2 | — | — | — | |
| Engine And Engine Cooling:Cooling System | 2 | — | — | — | |
| Engine And Engine Cooling:Engine:Gasoline | 2 | — | 1 | — | |
| Equipment:Appliance:Air Conditioner | 2 | — | — | — | |
| Transmission / Drivetrain | 2 | — | — | — |
Headlight/Taillight Failures
12
complaints
Crashes
—
Fires
—
Avg Miles
143,509
Engine & Cooling
11
complaints
Crashes
—
Fires
—
Avg Miles
103,352
Unintended Acceleration
8
complaints
Crashes
3
Fires
—
Avg Miles
121,500
Engine Problems
7
complaints
Crashes
—
Fires
—
Avg Miles
136,258
Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe
7
complaints
Crashes
—
Fires
—
Avg Miles
93,933
Exterior Lighting:Headlights
7
complaints
Crashes
—
Fires
—
Avg Miles
72,000
Tire Defects
7
complaints
Crashes
—
Fires
—
Avg Miles
49,000
Electrical Faults
6
complaints
Crashes
—
Fires
—
Avg Miles
138,200
Suspension Failures
6
complaints
Crashes
—
Fires
—
Avg Miles
200,000
Air Bags:Frontal
5
complaints
Crashes
5
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine
5
complaints
Crashes
—
Fires
—
Avg Miles
193,600
Automatic Transmission
5
complaints
Crashes
2
Fires
—
Avg Miles
—
Seat Belt Issues
5
complaints
Crashes
1
Fires
—
Avg Miles
—
Steering Defects
5
complaints
Crashes
1
Fires
—
Avg Miles
147,425
Steering: Steering Wheel/Handle Bar
5
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Linkages:Tie Rod Assembly
5
complaints
Crashes
—
Fires
—
Avg Miles
62,250
Suspension:Front
5
complaints
Crashes
—
Fires
—
Avg Miles
—
Equipment:Mechanical:Accessory Scissor/Screw/Bottle Jack/Lift
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Ignition
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Other
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Latches/Locks/Linkages:Doors:Latch
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Structure:Body:Door
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension:Rear
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Tires:Tread/Belt
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Horn
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Wiring & Fuses
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Cooling System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine:Gasoline
2
complaints
Crashes
—
Fires
1
Avg Miles
—
Equipment:Appliance:Air Conditioner
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Transmission / Drivetrain
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1999 Mercury Grand Marquis. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Mercury Grand Marquis Years
1999 Mercury Grand Marquis — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1999 Mercury Grand Marquis reliable?
Verdict: Typical for Model. The 1999 Mercury Grand Marquis has 202 NHTSA complaints, 21 crash-related, and 0 recall campaigns. The most common issue is Headlight/Taillight Failures with 12 complaints. Source: NHTSA via VinItel.
What are common problems with the 1999 Mercury Grand Marquis?
Top reported problems: Headlight/Taillight Failures (12 complaints, avg 143,509 mi); Engine & Cooling (11 complaints, avg 103,352 mi); Unintended Acceleration (8 complaints, avg 121,500 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 1999 Mercury Grand Marquis?
The weighted average mileage at time of complaint is about 120,173 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 1999 Mercury Grand Marquis?
NHTSA complaints for the 1999 Mercury Grand Marquis include 21 crash-related reports, 2 fire reports, 14 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 1999 Mercury Grand Marquis have any recalls?
No NHTSA recall campaigns have been issued for the 1999 Mercury Grand Marquis 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 1999 Mercury Grand Marquis?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mercury Grand Marquis reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1999 Mercury Grand Marquis
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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