2005 Mercury Grand Marquis Exterior Lighting:headlights Problems
NHTSA component category: EXTERIOR LIGHTING:HEADLIGHTS · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How exterior lighting:headlights ranks on this vehicle
Share of the 487 complaints citing each category; one complaint can cite several. Full breakdown on the 2005 Mercury Grand Marquis overview page.
What owners report
“THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. THE CONTACT WAS DRIVING 65 MPH WHEN THE HEADLIGHTS ILLUMINATED UNEXPECTEDLY AND FAILED TO WORK PROPERLY. THE…”NHTSA complaint 10442499 — filed 01/05/2012
“THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING AN UNKNOWN SPEED, THE HEADLIGHTS FAILED. THE VEHICLE WAS PARKED AND AFTER COOLING OFF, THE…”NHTSA complaint 10399222 — filed 05/05/2011
“THE CONTACT OWNS A 2005 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 55-60 MPH, THE LOW BEAM HEADLIGHTS FAILED AND THE CONTACT HAD TO UTILIZE THE…”NHTSA complaint 10394315 — filed 04/05/2011
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Exterior Lighting:headlights complaints by year filed
Frequently asked questions
Does the 2005 Mercury Grand Marquis have exterior lighting:headlights problems?
Exterior Lighting:headlights is the #4 most-reported problem area on the 2005 Mercury Grand Marquis: 39 of 487 complaints on file (8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2005 Mercury Grand Marquis have in total?
487 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 24 involved a crash, 5 involved a fire, 21 reported injuries, and none reported deaths.
What does NHTSA's exterior lighting:headlights category include?
NHTSA assigns each complaint to standard component categories; this page reports the EXTERIOR LIGHTING:HEADLIGHTS category exactly as NHTSA defines and records it.
