The 1984 Mercury Marquis has 1 NHTSA recall campaign affecting an estimated 530,000 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 23 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
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".
DEALERS WILL INSTALL NEW ATTACHING HARDWARE TO IMPROVE THE STRENGTH OF THE MOUNTING.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“I purchase a used vehicle on 2-03-03 at 11:oo am I was ensured that it was a great vehicle. About 5:15 pm I was on the freeway, and it started to smoke and it loose compression. I had spoke to the dealer and he stated that it wasen't his problem. I feel that I was sold a unsafe vehicle.”
“I purchase a used vehicle on 2-03-03 at 11:oo am I was ensured that it was a great vehicle. About 5:15 pm I was on the freeway, and it started to smoke and it loose compression. I had spoke to the dealer and he stated that it wasen't his problem. I feel that I was sold a unsafe vehicle.”
“Vehicle lost all electrical power while going down the highway at 65 mph. Pulled over and after several attemps the car started, but when you put it into gear it would lose electrical power. After investigating, I found the ignition wiring separated from its housing.”
“Vehicle lost all electrical power while going down the highway at 65 mph. Pulled over and after several attemps the car started, but when you put it into gear it would lose electrical power. After investigating, I found the ignition wiring separated from its housing.”
“Vehicle lost all electrical power while going down the highway at 65 mph. Pulled over and after several attemps the car started, but when you put it into gear it would lose electrical power. After investigating, I found the ignition wiring separated from its housing.”
“Vehicle lost all electrical power while going down the highway at 65 mph. Pulled over and after several attemps the car started, but when you put it into gear it would lose electrical power. After investigating, I found the ignition wiring separated from its housing.”
“Upon turning on ignition switch, smoke came out due to a cable next to brake booster melted.”
“Ignition switch started smoking due to short.”
SUMMARY OF INFORMATION FROM MANUFACTURER:FORD BELIEVES THAT THE AL-LEGED DEFECT ONLY OCCURS IN A SMALL NUMBER OF THE SUBJECT VEHICLES ANDRECALLED ABOUT 195,732 1984 TEMPO/TOPAZ VEHICLES IN JUNE 1986.ANALYSIS: VEHICLES POTENTIALLY INVOLVED INCLUDE TEMPO/TOPAZ, ESCORT/LYNX/EXP, MUSTANG/CAPRI, LTD/MARQUIS, AND…
NO SAFETY DEFECT TREND HAS BEEN DETECTED.===
SUMMARY:THE SPRING UNDER INVESTIGATION CAUSES THE LATCHING PAWL TOENGAGE THE TEETH OF THE RATCHET WHEREBY THE PARKING BRAKE IS RETAINEDIN THE APPLIED POSITION.IF THE SPRING FAILS, THE PEDAL FOLLOWS THEOPERATORS FOOT BACK UP INTO THE RELEASED POSITION.FORD STATES THAT IT ISSUED THE BULLETIN IN ORDER TO INFORM…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1984 Mercury Marquis as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.