2000 Mercury Marquis problems & reliability
23 owner complaints filed with NHTSA for the 2000 Mercury Marquis. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
3 complaints report injuries (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure | 6 | 26% |
| Engine and Engine Cooling | 3 | 13% |
| Exterior Lighting | 2 | 9% |
| Power Train | 2 | 9% |
| Seat Belts | 2 | 9% |
| Vehicle Speed Control | 2 | 9% |
| Visibility | 2 | 9% |
| Electrical System | 1 | 4% |
| Seats | 1 | 4% |
| Service Brakes, Hydraulic | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 12 reported components →Complaints by incident year
What owners report
“Iaa auto auction sold this vehicle advertised as cash for clunker vehicle. The program ended 3 years ago how could they still have a vehicle that was supposed to be scrapped 3 years ago? It is item #58 on sioux falls sale 1-28-2014. Below is the listing information on auction. Stock# :12399212 sale document :regular…”
Unknown OR Other · filed Jan 28, 2014
“2000 mercury grand marquis - headlights and taillights go on and off throughout the night while the vehicle is parked and the engine is off. *tr”
Exterior Lighting · filed Jun 26, 2010
“Cruise control works when it wants to....some days it will work, other days it won't...also had problem with signal light blinking faster at times than at others...had that particular problem fixed by changing the "light module" for $500...now its the cruise control...one more problem and I'm selling the car....*ak”
Exterior Lighting · filed Apr 6, 2005
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Safety recalls
No NHTSA recall campaigns name the 2000 Mercury Marquis in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2000 Mercury Marquis?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.