# 1999 MERCURY GRAND MARQUIS — SERVICE BRAKES, HYDRAULIC
> NHTSA complaint `917435` · 2012-05-05 · Ford Motor Company
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** MERCURY
- **Model:** GRAND MARQUIS
- **Year:** 1999
- **Manufacturer:** Ford Motor Company
- **Component:** SERVICE BRAKES, HYDRAULIC
- **Speed:** 9 mph
## Narrative
I WAS COMING TO A STOP WHEN THE BRAKE PEDAL STARTED VIBRATING AND GOING LOWER AND LOWER TO THE FLOOR AND THE CAR DID NOT STOP RESULTING IN AN ACCIDENT.  I WAS TOLD BY THE FORD MECHANIC THAT THE COMPUTER TESTS DID NOT SHOW ANY PROBLEM WITH THE ANTILOCK SYSTEM BUT I THINK THERE IS A PROBLEM WHEN YOU APPLY YOUR BRAKES AND THE CAR DOES NOT STOP.  I HAVE ALSO TALKED TO A NUMBER OF PEOPLE SOME OF THEM WHO WORK ON CARS ETC..AND FOUND OUT THAT THIS IS NOT AN UNCOMMON PROBLEM. FURTHERMORE, IT HAPPENS A LOT AND ON ALL TYPES OF VEHICLES WITH ANTILOCK SYSTEMS.  I WAS TOLD THAT THIS CAN HAPPEN ON AND OFF WHICH IS WHY IT IS HARD TO DETECT.  I WAS LUCKY IN THE FACT THAT I WAS GOING SLOW AND NOBODY WAS HURT, BUT WHAT IF THAT HAD BEEN A DIFFERENT ENDING AND IT HAD BEEN A SERIOUS ACCIDENT? I HAVE NEVER BEEN IN AN ACCIDENT BEFORE AND I RESENT THE FACT THAT I WAS NOT AT FAULT FOR THIS ONE, THE BRAKES DID NOT WORK!!!!!  *TR
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*