Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.
vehicle
2005 / mercury / grand-marquis
known issues
4 clusters (reviewed 2026-09-20)
complaints
488 on file (2005-04-25 → 2026-09-16)
recalls
0
investigations
0
fars
129 occupant deaths, crash years 2010-2024 (legacy-code)
Lighting control module headlight failureEXTERIOR LIGHTING110 complaints2014-06 → 2026-09grand-marquis-2005-lcm-headlight-failure
11764784 The contact owns a 2005 Mercury Grand Marquis. The contact stated that while driving 60 MPH, the front headlights flickered on and off before turning off. The failure had occurred while the contact was driving at night
11670450 The contact owns a 2005 Mercury Grand Marquis. The vehicle was taken to the local dealer, where it was repaired under NHTSA Campaign Number: 15V861000 (Exterior Lighting). The contact stated that the headlights activated without driver input
10667183 HEADLIGHTS INTERMITTENTLY FAIL WITHOUT WARNING AND CANNOT BE REGAINED WITH HEADLIGHT SWITCH. IN FACT, NO POSITION OPERATES WITH THE HEADLIGHT SWITCH - NO PARKING LIGHTS, NO HEADLIGHTS, ETC
Air bag warning light from seat belt pretensioner faultAIR BAGS, SEAT BELTS52 complaints2014-07 → 2025-09grand-marquis-2005-airbag-pretensioner-fault
11487986 The contact owns a 2005 Mercury Grand Marquis. The contact stated that on numerous occasions while the vehicle was started, the driver’s side air bag warning light intermittently illuminated
10821663 WHEN THE VEHICLE IS STARTED, THE AIR BAG LIGHT COMES ON AND FLASHES THE CODE 34. IT THEN STAYS ON AS LONG AS THE VEHICLE IS OPERATING. THE CODE MENTIONED ABOVE IS FOR THE PASSENGER SEAT PRE-TENSIONER
Steering column and shaft failureSTEERING12 complaints2014-07 → 2026-05grand-marquis-2005-steering-column-failure
11736525 The contact owns a 2005 Mercury Grand Marquis. The contact stated while attempting to make a left turn, the steering wheel failed to operate as intended causing the contact to have driven straight instead of turning. No warning light was illuminated
10811959 I WAS TRAVELING ON NORTHFIELD ROAD IN BEDFORD HEIGHTS OHIO AND TURNED RIGHT ON TO THE DRIVE WAY THAT LEADS TO WALMART. THE STEERING WHEEL SNAPPED COMPLETELY LOOSE SPINNING AROUND. I LOST CONTROL OF THE STEERING AND THE CAR CRASHED INTO A CURB BEFORE I COULD APPLY THE BRAKES
Unintended acceleration while brakingVEHICLE SPEED CONTROL, SERVICE BRAKES, ENGINE13 complaints2014-12 → 2025-03grand-marquis-2005-unintended-acceleration
11553988 I was driving I pressed the cruise control to set it but the vehicle kept accelerating and as I was pressing on the brake it wouldn’t disengage it kept accelerating I kept pressing the brake frantically and THANK GOD it disengaged
11072996 THIS HAS BEEN A DANGEROUSLY RECURRING ENGINE ACCELERATING PROBLEM WHILE AT REST OR MOVING/COMING TO A STOP ON STREETS OR HIGHWAYS BUT ALWAYS WHILE ATTEMPTING TO BRAKE OR HOLD IN PLACE. THE BRAKES WON'T STOP IT, ONLY TURNING OFF THE IGNITION AND RESTARTING WORKS
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.
Cite this
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). 2005 Mercury Grand Marquis vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2005/mercury/grand-marquis
@misc{wrenchpro_2005_mercury_grand_marquis_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2005 Mercury Grand Marquis},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2005/mercury/grand-marquis}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
