1992 Mercury Grand Marquis Power Train:automatic Transmission Problems

NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/14/2026

20Power Train:automatic Transmission complaints

7.8%Of all 255 complaints

#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How power train:automatic transmission ranks on this vehicle

VEHICLE SPEED CONTROL27 · 10.6%

POWER TRAIN:AUTOMATIC TRANSMISSION20 · 7.8%

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP16 · 6.3%

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD10 · 3.9%

EXTERIOR LIGHTING:HEADLIGHTS10 · 3.9%

Share of the 255 complaints citing each category; one complaint can cite several. Full breakdown on the 1992 Mercury Grand Marquis overview page.

What owners report

“WHILE BACKING OUT OF DRIVEWAY THE VEHICLE TOOK OFF WITH SUDDEN ACCELERATION WITHOUT ANY NOTICE; ALSO REPLACED LEAKING MASTER CYLINDER AND TRANSMISSION.”NHTSA complaint 805140 — filed 12/27/1996

“WHEN PUT IN GEAR CAR WENT INTO OVERDRIVE MOVE FORWARD AND BACKWARD . TT”NHTSA complaint 972604 — filed 09/26/1995

“AUTOMATIC TRANSMISSION FAILURE, ERRATIC SHIFTING OF GEARS. TT”NHTSA complaint 968246 — filed 07/05/1995

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Power Train:automatic Transmission complaints by year filed

Frequently asked questions

Does the 1992 Mercury Grand Marquis have power train:automatic transmission problems?

Power Train:automatic Transmission is the #2 most-reported problem area on the 1992 Mercury Grand Marquis: 20 of 255 complaints on file (7.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1992 Mercury Grand Marquis have in total?

255 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 22 involved a crash, 27 involved a fire, 114 reported injuries, and 1 reported deaths.

What does NHTSA's power train:automatic transmission category include?

NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.