🚗 AutoDefect IQ

1999 Mercury Grand Marquis problems, complaints & recalls

Most-reported problem areas: Exterior Lighting (12) · Engine And Engine Cooling (9) · Vehicle Speed Control (8)

🧭 Reliability snapshot

97 /100
✓ Typical or better for this model

Compared against other Mercury Grand Marquis model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 2 complaints <25k 25–50k miles: 3 complaints 25–50k 50–75k miles: 10 complaints 50–75k 75–100k miles: 12 complaints 75–100k 100–125k miles: 14 complaints 14 100–125k 125–150k miles: 8 complaints 125–150k 150k+ miles: 12 complaints 150k+

61 NHTSA complaints that reported an odometer reading.

164
Complaints
1
Recalls
138
Service bulletins
17
Crashes reported
2
Fires reported
0
Deaths

Safety recalls (1)

Steering 2015-10-06 · campaign 15E082000 · 1,767 vehicles

Defect: Dorman Products, Inc. (Dorman) is recalling certain model Dorman Steering Shafts, part number 425-359, Solutions Steering Shafts, part number 7-0359, and OE Solutions Steering Shafts, part number 425-359, manufactured April 17, 2014, to September 28, 2015. These aftermarket replacement steering shafts are sold for use in 1995-2002 Ford Crown Victoria, Mercury Grand Marquis, and Lincoln Town Car vehicles. These steering shafts may separate during operation if the integral fastener is loose or m

Risk: If the shafts separate during vehicle operation, a loss of steering control would result, increasing the risk of a vehicle crash.

Fix: Dorman will notify owners, and dealers will replace the steering shaft, free of charge. The recall began on October 28, 2015. Owners may contact Dorman customer service at 1-800-523-2492, option 5.

Service bulletins (138)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Fuel System, Other:storage:tank Assembly 2008-05-15 · CSP 08B04 · Service Bulletin/Repair Instructions

ford/lincoln mercury: certain 1992-2001 model year crown victoria, grand marquis, and town car vehicles registered in the states of wisconsin and connecticut upgrade modifications for high speed rear impacts. *pe

Engine And Engine Cooling:engine 2007-10-01 · 07212 · Service Bulletin/Repair Instructions

some 1997-2008 vehicles equipped with a 4.6l 2v, 5.4l 2v, or 6.8l 2v engine--spark plug thread repair procedure--not covered under new vehicle limited warranty. *nj this includes f-53 motorhome chassis. updated 2/23/10. *pe

Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe 2005-12-14 · 05N04 · Service Bulletin/Repair Instructions

extended coverage program 05n04 - extended coverage for composite intake manifold. this program is being provided as a settlement to a class action lawsuit. the terms of the settlement extend the coverage of the all-composite intake manifold to 7 years from the original warranty start date of the

Engine And Engine Cooling 2005-11-14 · 041601 · Service Bulletin/Repair Instructions

wds cop kit diagnostic tip - coil on plug (cop) ignition systems - engine misfire or rough running. *tt

Power Train:automatic Transmission:control Module (Tcm/Pcm/Tecm) 2004-12-13 · 042107 · Service Bulletin/Repair Instructions

general (pcm) power train control module programming procedures. *tt

Visibility:defroster/Defogger/Hvac System:rear Window 2004-12-13 · 04189 · Service Bulletin/Repair Instructions

rear window defroster grid/integral antenna diagnosis and repair - terminal tab repair. *tt

Showing the 6 most recent of 138 bulletins. Search all of them free at nhtsa.gov.

What owners report

No detailed complaint narratives on file.

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercury Grand Marquis years