2009 Mercury Mariner service brakes problems
11 owner complaints filed with NHTSA name the service brakes on the 2009 Mercury Mariner — 3% of all complaints for this model year.
What owners report
“While driving vehicle brakes all of sudden go to the floor, no pedal response. This has happened a couple of times without warning. Once when I was approaching an intersection and light changed. My brakes all of the sudden went to the floor and I had to downshift and cut my wheels toward the curb…”
filed Dec 4, 2022
“Second time the power brake pedal assembly has failed. The assembly failed in 19th February 2013 and had to be replaced by Fremont Ford. The power brakes failed completely and it had to be towed in. The part is BM6Z-2455-A. The Power brake assembly electronics failed again in January 26 and I have…”
filed Feb 17, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Some 2008-2017 ford/mercury/lincoln vehicles equipped with sync may generate a vhr that identifies a concern with the brakes and suspension category indicating service is required due to a brake system warning lamp…
SSM 46132 · Service Bulletin/Repair Instructions · issued Oct 17, 2016Some 2008-2017 ford/mercury/lincoln vehicles equipped with sync may generate a vhr that identifies a concern with the brakes and suspension category indicating service is required due to a brake system warning lamp…
SSM 46132 · Service Bulletin/Repair Instructions · issued Oct 17, 2016
Service Brakes problems in other Mariner years
| Year | Reports | Share |
|---|---|---|
| 2010 Mariner | 5 | 2% |
| 2008 Mariner | 29 | 6% |
| 2006 Mariner | 4 | 6% |
| 2005 Mariner | 2 | 3% |
Other reported problem areas on the 2009 Mercury Mariner
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.