2004 Mercury Grand Marquis recalls and problems

The 2004 Mercury Grand Marquis has 1 safety recall and 348 owner complaints filed with NHTSA. Recall repairs are free at any Mercury dealer.

Recalls

Complaints

348

Crashes / fires

17 / 4

Injuries / deaths

10 / 1

Recalls may cover only some 2004 Mercury Grand Marquis vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2004 Mercury Grand Marquis recalls

Recall 15V-861: Exterior Lighting

Reported Dec 22, 2015 · 296,004 vehicles affected · Ford Motor Company

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.

2004 Mercury Grand Marquis problems reported by owners

Problem area	Reports
Exterior Lighting	211
Steering	67
Electrical System	40
Vehicle Speed Control	23
Engine and Engine Cooling	10
Power Train	9
Structure	8
Visibility	7
Interior Lighting	6
Air Bags	6
Tires	5
Service Brakes, Hydraulic	4

Most reported parts

Exterior Lighting › Headlights — 21
Vehicle Speed Control › Accelerator Pedal — 4
Engine and Engine Cooling › Exhaust System › Manifold/Header/Muffler/Tail Pipe — 4
Structure › Body — 4
Service Brakes, Hydraulic › Pedals and Linkages — 3
Power Train › Automatic Transmission — 3
Visibility › Windshield Wiper/Washer — 3
Vehicle Speed Control › Cruise Control — 2

Typical mileage at the time of the problem: 82,000 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2004 Mercury Grand Marquis complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Exterior Lighting · reported Aug 24, 2026

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 diagnosed; however, the diagnostic result was unknown. The vehicle was serviced under an unknown recall; however, the failure persisted. The manufacturer was not notified of the failure. The failure mileage was unknown.

Exterior Lighting · at 116,000 miles · reported Aug 29, 2025

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 lights illuminated. The contact called the local dealer and was informed that the parts were not yet available. The vehicle was not diagnosed or repaired. The contact was an independent mechanic and used a module assembly repair kit to repair the vehicle, but the failure reoccurred. The manufacturer…

Electrical System · at 90,000 miles · reported Aug 4, 2025

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 manufacturer was not made aware of the failure. The failure mileage was approximately 90,000.

Exterior Lighting · reported Jun 26, 2024

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 was not repaired. After investigating the failure, the contact related the failure to Customer Satisfaction Program: 14N01. The manufacturer was notified of the failure but referred the contact to the NHTSA Hotline for assistance. The failure mileage was unknown. The VIN was not available.

Exterior Lighting · at 212,000 miles · reported Nov 1, 2023

The contact owns a 2004 Mercury Grand Marquis. The contact stated while driving at an undisclosed speed, the exterior lighting became inoperable. The contact stated that the failure occurred at night which caused him to be on a dangerous dark road. The contact stated that due to the failure and his vision being impaired, the vehicle was driven into a ditch. The contact stated that he received several violation tickets from the local Police. The contact stated that a year ago the vehicle was serviced by the dealer under recall repair for the lighting control module. The contact stated that the…

Other Mercury Grand Marquis years

2011 2010 2009 2008 2007 2006 200520042003 2002 2001 2000

Compare all Mercury Grand Marquis years · All Mercury models

Frequently asked questions

Does the 2004 Mercury Grand Marquis have any recalls?

Yes — NHTSA lists 1 recall for the 2004 Mercury Grand Marquis: 15V-861 (exterior lighting). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2004 Mercury Grand Marquis?

Owners report exterior lighting problems most often (211 reports), followed by steering (67). The typical mileage when problems were reported is about 82,000 miles.

Are Mercury recall repairs free?

Yes. Safety recall repairs are free at authorized Mercury dealers, whether you are the first owner or bought the car used.