Two problems related to vehicle speed control have been reported for the 1999 Mercury Marquis. The most recently reported issues are listed below.
My mothers car was off & in park & all of a sudden the engine reved up and the car shot through her gargage door and almost through the back garage wall with my mom in the car.
I bought this car in good faith, thinking that it was new. It is still under warranty. My.
| Vehicle Speed Control problems | |
| Car Accelerates On Its Own problems | |
| Speed Control Linkage problems |