2008 Mercury Grand Marquis brakes NHTSA complaints: Service Brakes, Hydraulic

NHTSA — Service Brakes, Hydraulic Problems


really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
17,376 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2008 Mercury Grand Marquis brakes problems

brakes problem

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2008 Mercury Grand Marquis Owner Comments

problem #4

Oct 272010

Grand Marquis 8-cyl

  • 52,500 miles


On October 27, 2010, my wife was driving with me in the car and she started to brake for a red light. She was going about 30 miles per hour. As soon as she applied the brake, the engine accelerated and she had to use a large amount of braking pressure to stop the car. As soon as the car stopped, she took her foot off the brake and the engine returned to idle. Yesterday, I was driving the car at approximately 55 mile per hour and started to move into the passing lane when the traffic light ahead turned red. I applied the brake and the same thing happened. I had to apply a large amount of pressure on the brake peddle in order to stop the car while the engine raced on. As soon as the car stopped, the engine returned to idle and the problem was over. Yesterday, I took the car to the dealership where it was purchased and they kept the car overnight to run various tests. They found nothing. I picked the car up this afternoon and am going to now take it to another dealer for inspection.

- Jackson, NJ, USA

problem #3

May 192009

Grand Marquis

  • 5 miles
Brake and gas pedal to close together when applying brakes also hit gas has happened many times almost requires a conscious effort to avoid this problem.

- Oak Island, NC, USA

problem #2

Sep 292008

Grand Marquis

  • miles
The vehicle accelerateds when the brake pedal is depressed. Because the brake pedal and the gas pedal height is nearly the same height and when depressing the brake pedal you can also depress the gas pedal causing the vehicle to accelerate. The vehicle accelerates when the brake pedal was depressed.

- Robbinsville, NC, USA

problem #1

Nov 112008

Grand Marquis

  • 17,000 miles
The contact owns a 2008 Mercury Grand Marquis. While driving 65 mph on a two lane road, the vehicle accelerated when the brake pedal was depressed. The contact rear ended the preceding vehicle. The contact was injured. The air bags failed to deploy and the seat belt did not tighten. The failure and current mileages were 17,000. Remailed 12/10/08.

- Jacksonville, FL, USA

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