2004 Mercury Grand Marquis Problems, Complaints & Recalls

Source: NHTSA · Updated Aug 24, 2026 · 348 owner complaints analyzed

Compared with other Grand Marquis years
Far more complaints than other years 3rd of 17 for complaints
NHTSA crash rating
Not rated

Owners have filed 348 complaints with NHTSA about the 2004 Mercury Grand Marquis. That ranks 3rd out of 17 Grand Marquis model years for complaints. The most reported problem area is exterior lighting (207 complaints, 59%), typically at around 85,500 miles. Complaints mention 17 crashes, 4 fires, 10 injuries. There is 1 safety recall covering this model year. NHTSA has opened 5 defect investigations involving it.

Mercury Grand Marquis
2003-2005 Mercury Grand Marquis photographed in College Park, Maryland , USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2004 Mercury Grand Marquis problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Exterior Lighting207 · ~85,500 mi
Steering65 · ~85,000 mi
Electrical System40 · ~88,670 mi
Vehicle Speed Control23 · ~39,036 mi
Engine and Engine Cooling10 · ~100,000 mi
Power Train9 · ~16,890 mi
Structure8 · ~65,000 mi
Visibility7 · ~51,789 mi
Air Bags6 · ~65,000 mi
Interior Lighting6 · ~91,500 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Exterior Lighting problems20759%85,500“lighting control” (18%)$1,050
Steering problems6519%85,000“steering shaft” (31%)—
Electrical System4011%88,670——
Vehicle Speed Control237%39,036——
Engine and Engine Cooling103%100,000——
Power Train93%16,890——
Structure82%65,000——
Visibility72%51,789——
Air Bags62%65,000——
Interior Lighting62%91,500——
Tires51%41,500——
Engine41%101,100——
Service Brakes, Hydraulic41%———
Visibility/wiper41%55,661——
Fuel/propulsion System31%73,058——
Fuel System, Gasoline31%77,000——
Service Brakes31%110,000——
Suspension31%27,000——
Equipment21%77,000——
Latches/locks/linkages21%64,500——
Unknown or Other21%72,500——
Wheels10%1,900——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2014, with 50 complaints
2004: 1420042005: 172006: 620062007: 62008: 520082009: 112010: 2220102011: 332012: 1420122013: 362014: 502014502015: 402016: 3120162017: 202018: 1520182019: 52020: 420202021: 42022: 420222023: 52024: 220242025: 32026: 12026

n = 348 complaints · Source: NHTSA

2004 Mercury Grand Marquis recalls (1)

Tap a recall to see the problem, the risk and the fix.

Exterior lighting:headlightsDec 22, 2015 · NHTSA campaign 15V861000 · 296,004 vehicles

Problem: Ford Motor Company (Ford) is recalling certain model year 2003-2005 Ford Crown Victoria and Mercury Grand Marquis vehicles manufactured October 3, 2001, to August 2, 2005. The affected vehicles have a lighting control module (LCM) that may fail, resulting in a loss of headlights.

Risk: A loss of headlights can reduce driver visibility and increase the risk of a crash.

Fix: Ford will notify owners, and dealers will replace the LCM, free of charge. The recall began April 14, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S39.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

NHTSA defect investigations

  • Loss of headlights (PE15028) — opened Aug 10, 2015, closed Jan 8, 2016, led to recall 15V861000.
  • Loss of headlamp/exterior lighting (DP15002) — opened Apr 1, 2015, closed Aug 11, 2015.
  • Steering Column Shaft Obstruction (PE14021) — opened Jul 7, 2014, closed Nov 21, 2014.
  • Loss of headlight function (PE08066) — opened Nov 26, 2008, closed Mar 24, 2009.
  • Spark plug ejection from cylinder head (DP05005) — opened Sep 22, 2005, closed Jan 4, 2006.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

The contact owns a 2004 Mercury Grand Marquis. The contact stated that while driving at an undisclosed speed, a local Police Officer stopped the vehicle and made the contact aware that both taillights were inoperable. No warning lights were illuminated. The vehicle was taken to a dealer to be…

Exterior Lighting · received Aug 24, 2026 · NHTSA complaint 11759060

The contact owns a 2004 Mercury Grand Marquis. The contact received NHTSA Campaign Number: 15V861000 (Exterior Lighting). The contact stated that while driving at night, the headlights were flickering and became inoperable. Occasionally, the headlights operated as designed. There were no warning…

Exterior Lighting · received Aug 29, 2025 · NHTSA complaint 11683841

The contact owns a 2004 Mercury Grand Marquis. The contact stated that while the vehicle was parked, the key fob became inoperable. The contact was not able to start the vehicle with the security warning light illuminated. The dealer was not contacted. The vehicle was not diagnosed or repaired. The…

Electrical System · received Aug 4, 2025 · NHTSA complaint 11678246

Auto lights stopped working. Tail lights will not come on

Electrical System · received Jul 2, 2025 · NHTSA complaint 11670846

The contact owns a 2004 Mercury Grand Marquis. The contact stated while driving at an undisclosed speed at night, he became aware that the headlights were not functioning properly. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle…

Exterior Lighting · received Jun 26, 2024 · NHTSA complaint 11596927

Other Mercury Grand Marquis years

← 2003 Grand Marquis · 2005 Grand Marquis →

See all Mercury Grand Marquis problems by year, every Mercury model, or the VIN decoder.

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Frequently asked questions

What are the most common problems with the 2004 Mercury Grand Marquis?

Owners most often report exterior lighting, steering, electrical system problems. The top one, exterior lighting, accounts for 207 complaints.

Was there a recall on the 2004 Mercury Grand Marquis?

Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2004 Mercury Grand Marquis a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Grand Marquis model years, the 2004 has far more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.