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1984 Mercury Grand MarquisProblems, recalls & complaints

NHTSA has logged 15 owner complaints about the 1984 Mercury Grand Marquis, most often about the electrical system. It is covered by 1 safety recall.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Free fix at dealersOwner complaints157 with a crash, fire or injuryTop problem5Electrical system

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 12, 2000. Updated daily.

Complaints by system

Where the 1984 Mercury Grand Marquis has problems

15 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system53
Engine and engine cooling50
Vehicle speed control42
Structure20
Fuel system, gasoline21
Suspension10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

1984 Mercury Grand Marquis recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercury.

Best & worst years

1984 vs. every other Grand Marquis year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Grand Marquis median. How we score

'83'84'85'86'87'88'89'90'91'92'93'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 1984 Mercury Grand Marquis, and the recalls they led to.

  1. BRAKE LINE PUNCTURESPE91125 · closed Jan 15, 1992
    No recall
In owners' words

What Grand Marquis owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

DROVE 5 MILES, SHUT OFF ENGINE, RETURNED WITHIN 5 TO 6 MINUTES, FLAMES WERE COMING UP FROM UNDERHOOD IN AREA OF WINDSHIELD, FUEL INJECTED ENGINE. *AK
Complaint 986233 · Sep 1, 1996
AFTER STARTING AUTO TO WARM IT UP THEN WALKED AWAY AND SUDDENLY IT BLEW UP AND BURNED EVERYTHING UNDER THE HOOD AND DASH. *AK
Complaint 983849 · Apr 29, 1996
PARKED VEHICLE, SMOKE STARTED TO COME FROM UNDERNEATH THE HOOD. RESULTING IN VEHICLE FIRE BY FIREWALL NEAR THE MOTOR. *AK
Complaint 982928 · Apr 18, 1996

Own a 1984 Grand Marquis?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.