1999 Mercury Marquis problems & reliability
24 owner complaints filed with NHTSA for the 1999 Mercury Marquis. Last verified Aug 8, 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.
2 complaints report injuries (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Service Brakes, Hydraulic | 4 | 17% |
| Vehicle Speed Control | 4 | 17% |
| Electrical System | 3 | 13% |
| Engine and Engine Cooling | 3 | 13% |
| Steering | 3 | 13% |
| Equipment | 2 | 8% |
| Structure | 2 | 8% |
| Visibility | 2 | 8% |
| Air Bags | 1 | 4% |
| Electronic Stability Control (esc) | 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 15 reported components →Complaints by incident year
What owners report
“Driving in the rain headlights went out tried high beans came on went out, also, wipers. I pull leaver held in reset wipers with other hand. Then I pull down lever to signal too get off road nocking high beans off again. I almost hit gard rail,the lcd recall should be for all cars not just some my safty and others…”
Visibility/wiper · filed May 16, 2016
“Tl - the contact owns a 1999 ford grand marquis. The contact stated while changing the passenger side rear tire the factory issued jack failed to support the weight of the vehicle and bent. The equipment was not taken to the dealer to be inspected. The manufacturer was not notified of the failure. The failure and…”
Equipment · filed Dec 1, 2011
“July 15,2005, I took my grand marquis l999, to glades ford because it was stalling as if it was going to cut off. I was told, spark plug #8 and the coil was bad. It was repaired at a cost of $337.94 . August 2005 had same problem and was told it was the manifold. Had this repaired ll.22.05,cost $960.63. Advised by…”
Engine and Engine Cooling · filed Jan 28, 2007
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Safety recalls
No NHTSA recall campaigns name the 1999 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 1999 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.