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1984 Mercury Grand Marquis

Owner reports · Recalls · Investigations

Limited comparison data

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

Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.

About this comparison →
15Owner complaints

Model-year median: 78

1Recall campaigns

View recall details →

1Investigations

View investigation details →

Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.

Inspection summary

1984 Mercury Grand Marquis

NHTSA snapshot: September 18, 2026. 15 owner complaints · 1 recall campaigns · 1 investigations.

Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.

Top reported categories (up to 5)

  • Electrical System: 5 reports
  • Engine And Engine Cooling: 5 reports
  • Vehicle Speed Control: 4 reports
  • Fuel System, Gasoline: 2 reports
  • Structure: 2 reports

Full reported-category list and vehicle report

Recall links

Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.

Print the top reported categories, recall links, snapshot date and comparison limits.

How this year compares

Owner complaints by model year

Other model years Selected year
2
19813
19827
198315
198421
198521
198643
1987
Compare all Grand Marquis years →

Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.

What owners reported most

Electrical System
5Engine And Engine Cooling
5Vehicle Speed Control
4Fuel System, Gasoline
2Structure
2
All reported categories
Unknown Or Other
2Suspension
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports4 fire reports1 injury reports

Fuel System, Gasoline complaints

2 reports
Clear category filter
Mileage unknown · Nov 11, 1998
Fuel System, GasolineSuspension

THE CAR CONSTANTLY STALLS UPON TURNING, DECELERATION, AND BRAKING, CAUSING NEAR TRAFFIC ACCIDENTS. CAR WAS CHECK OVER FOR MALFUNCTION, BUT TO NO AVAIL.THE REAR OF THE CAR IS SAGGING VERY BADLY, CAUSING ME TO HAVE TO REPLACE THE REAR BUMPER AND TAILPIPE. THE HEIGHT OF THE CAR FROM GROUND TO FRAME IS APPROX. 6 3/4 INCHES. THE CAR …

Read full complaint

THE CAR CONSTANTLY STALLS UPON TURNING, DECELERATION, AND BRAKING, CAUSING NEAR TRAFFIC ACCIDENTS. CAR WAS CHECK OVER FOR MALFUNCTION, BUT TO NO AVAIL.THE REAR OF THE CAR IS SAGGING VERY BADLY, CAUSING ME TO HAVE TO REPLACE THE REAR BUMPER AND TAILPIPE. THE HEIGHT OF THE CAR FROM GROUND TO FRAME IS APPROX. 6 3/4 INCHES. THE CAR CONSTANTLY BOTTOMS OUT IN THE REAR EVEN WITHOUT A LOAD, SPRINGS HAVE BEEN REPLACED 4 TIMES AND THE CAR SAGS AFTER 3 MONTHS OR SOONER.

NHTSA ODI #700505

Mileage unknown · Jul 20, 1995
Fuel System, GasolineFire

VEHICLE EXPLODED INTO FLAMES WHEN HIT FROM BEHIND. *DH

NHTSA ODI #484238

Recall campaigns

1

83V134000 · Seat Belts:front:anchorage

Dec 20, 1983

THE BOLTS THAT ATTACH THE D-SHAPED RING FOR THE SHOULDER BELT ARE INADEQUATELY SUPPORTED BY THE MATERIAL IN WHICH THEY ARE MOUNTED. THE ATTACHMENT DOES NOT COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES".

Consequence & remedy

Consequence: Not supplied

Remedy: DEALERS WILL INSTALL NEW ATTACHING HARDWARE TO IMPROVE THE STRENGTH OF THE MOUNTING.

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

Defect investigations

1

PE91125 · Brake Line Punctures

Opened Sep 11, 1991 · Closed Jan 15, 1992

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

There is no summary currently available

An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.