2004 Mercury Grand Marquis Problems and Repair Histories
2004 Mercury Grand Marquis problems reported via the Car Repair History and Car Reliability Surveys
See what people are saying about 2004 Mercury Grand Marquis problems
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Mercury Grand Marquis
2004 Mercury Grand Marquiss for which no problems have been reported are not displayed. So the 2004 Mercury Grand Marquis problems and repair histories you see here should not be used to infer car problem frequency.
For 2004 Mercury Grand Marquis problem frequency, check the Car Reliability Survey result. For the problems behind the score, check the 2004 Mercury Grand Marquis problems and repair histories that follow it.
Mercury Grand Marquis Reliability through December 31, 2012
General NotesModels and statistics marked with an asterisk (*) have very low sample sizes. These results, visible only to logged-in members, provide only a rough estimate of car reliability.Any result under 20 repair trips per 100 cars is likely a result of the small sample size, and should be expected to increase to 20 or so in future updates.
New models often start out with high repair rates, and then improve as the manufacturer identifies and addresses common problems. MethodologyOnly successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
| Year | Make/Model | Trips/Year/100 Cars | Compared to all models for the same year | |
| 2004 | Mercury Grand Marquis / Marauder | 20 Grand Marquis / Marauders, 7.3 months of data per Grand Marquis / Marauder, average 85500 miles Small sample size. Join or 20 Grand Marquis / Marauders, 7.3 months of data per Grand Marquis / Marauder, average 85500 miles Small sample size. sign in to view |
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Non-members can see only ten 2004 Mercury Grand Marquis problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.
2004 Mercury Grand Marquis 4dr Sedan
302-horsepower 4.6L V8 4-speed automatic RWD
| Mercury Grand Marquis in Illinois, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2004 | 0 | massive repair heated seats went out and catalytic converter went out - all covered under warranty though | |
| Mercury Grand Marquis in New York, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Mar | 2010 | 850 | Replaced 4 tires. - BF Goodrich KDWS 230/50ZR18 (x2), 245/55ZR18 (x2) and Front Alignment. | |
| Aug | 2010 | 106700 | 0 | AC blower controller - Fixed myself by resoldering contacts on circuit board. Replacement cost would have been $250. |
| Apr | 2011 | 110000 | 1225 | A/C leak in Receiver/Dryer. $600 to repair. Paid $175 to diagnose. Coolant pump replaced. Not leaking yet, but I don't want the breakdown and overheating damage so I repaired it proactively. |
| Jun | 2011 | 112000 | 190 | A/C Accumulator/Dryer diagnosed at last dealer visit. $600 estimate to repair. Purchased needed parts and R134a to do repair myself. Took 2 hours to install, evacuate and fill. System is now fully functional. Costs $190.00. |
| Sep | 2012 | 129000 | Most recent odometer entry. | |
| Mercury Grand Marquis in Indiana, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Oct | 2009 | 302 | Light control module failure (no headlights!) replaced myself. PLEASE NOTE: THE FAILED/OFFENDING PART WAS ASSEMBLED IN MEXICO, UPON OPENING THE COVER I FOUND ALL THE COMPONENTS WERE MADE IN ASIA NOT AMERICA! (JUNK IMPORT TRASH) | |
| Dec | 2009 | 250 | Air suspension compressor failure. | |
| May | 2010 | 50 | A/C recharge | |
| Mar | 2013 | 98000 | Most recent odometer entry. | |
2004 Mercury Grand Marquis 4dr Sedan
239-horsepower 4.6L V8 4-speed automatic RWD
| Mercury Grand Marquis in New Mexico, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Mar | 2007 | 0 | fix seat heater; driver | |
| Mercury Grand Marquis in South Carolina, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Oct | 2007 | 12000 | Replaced Blower Motor Speed Controller | |
| Mercury Grand Marquis in New York, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Nov | 2010 | 61000 | First odometer entry | |
| Aug | 2012 | 80000 | 800 | The infamous lighting module. |
| Nov | 2012 | 83700 | 400 | Fuel pump went. |
| Mar | 2013 | 89000 | Most recent odometer entry. | |
| Mercury Grand Marquis in Arizona, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| May | 2012 | 34000 | First odometer entry | |
| Jun | 2012 | 34000 | 250 | The AC fan switch quit working so I had no AC till it was repaired |
| Feb | 2013 | 37000 | 1032 | fuel pump replaced |
| Mercury Grand Marquis in Illinois, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Jun | 2010 | 50000 | First odometer entry | |
| Jun | 2011 | 58000 | 40 | Headlights failed while driving. Problem traced to defective Lighting Control Module. I replaced the defective relays inside the module and returned it to service. |
| Aug | 2011 | 60700 | 150 | Air Conditioner required a recharge. |
| Mar | 2012 | 68000 | Most recent odometer entry. | |
| Mercury Grand Marquis in Ohio, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Nov | 2010 | 76000 | First odometer entry | |
| Jun | 2011 | 82000 | 100 | Rear air suspension malfunctioned. Rear of car was sagging tremendously. Replaced rear air springs with conventional coil springs. |
| May | 2012 | 90000 | Most recent odometer entry. | |
2004 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| Mercury Grand Marquis in Alberta, Canada | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Aug | 2011 | 46500 | First odometer entry | |
| Mar | 2012 | 55180 | 75 | Corroded battery cable replaced |
| Sep | 2012 | Most recent odometer entry. | ||
| Mercury Grand Marquis in Florida, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Jun | 2011 | 23000 | First odometer entry | |
| Sep | 2011 | 25000 | 76 | Vapor Canister Valve |
| Oct | 2012 | Most recent odometer entry. | ||
Expert 2004 Mercury Grand Marquis Repair Advice
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What People Are Saying about Problems with the 2004 Mercury Grand Marquis
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