One problem related to brake electric antilock has been reported for the 2004 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Mercury Mountaineer based on all problems reported for the 2004 Mountaineer.
Consumer complained about a brake problem. When applying the brakes pedal sank in intermittently. Vehicle was taken to dealer for service, but dealer could not duplicate the problem.
| Service Brakes problems | |
| Brake Master Cylinder problems | |
| Brake Electric Antilock problems |