2010 Mazda CX-9 Service Brakes Problems
Owners have filed 88 complaints with NHTSA about service brakes problems on the 2010 Mazda CX-9, 45% of all complaints for this model year. Half of the reports with a mileage happened before 83,600 miles. The words owners use most often: “brake booster” (43% of reports).
- 88service brakes complaints
- 83,600median miles at failure
- 5mention a crash
- 1mention an injury
- 0related recalls
- $1,200typical repair cost reported by owners
- 16%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Brake booster: mentioned in 38 of 88 complaints (43%)
- Hissing sound: mentioned in 19 of 88 complaints (22%)
- Hard push: mentioned in 10 of 88 complaints (11%)
- Master cylinder: mentioned in 10 of 88 complaints (11%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical service brakes repair on the 2010 Mazda CX-9 at $1,200, and half of them between $930 and $1,600.
Based on 9 NHTSA complaints about this problem alone that state a repair bill or quote (2012–2024), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do service brakes problems happen?
Based on 75 complaints that reported the odometer reading.
How serious are the reports?
Of 88 complaints, 5 mention a crash, 1 an injury.
Mazda CX-9 service brakes complaints by model year
| Model year | Service Brakes complaints | Share of that year | Median miles |
|---|---|---|---|
| 2023 CX-9 | 2 | 15% | — |
| 2022 CX-9 | 1 | 9% | — |
| 2021 CX-9 | 4 | 10% | 4,000 |
| 2020 CX-9 | 2 | 11% | — |
| 2019 CX-9 | 2 | 4% | — |
| 2018 CX-9 | 11 | 9% | 28,000 |
| 2016 CX-9 | 11 | 10% | 40,000 |
| 2015 CX-9 | 3 | 9% | 16,000 |
| 2014 CX-9 | 9 | 17% | 48,000 |
| 2013 CX-9 | 16 | 24% | 58,500 |
| 2012 CX-9 | 139 | 63% | 56,622 |
| 2011 CX-9 | 97 | 57% | 72,623 |
| 2010 CX-9 | 88 | 45% | 83,600 |
| 2009 CX-9 | 17 | 29% | 100,900 |
| 2008 CX-9 | 23 | 13% | 89,263 |
| 2007 CX-9 | 3 | 3% | 107,484 |
When owners reported it
Related recalls (0)
No safety recall lists service brakes for the 2010 Mazda CX-9. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The break booster went out without any warning or indicators while driving almost resulting in a collision. There are no warning lights on the dashboard.
Stiff brake pedal , more effort to stop and longer distant to stop.
My wife was taking my daughters for marching band and all of a sudden she tried to press the brakes but the brakes felt too hard and she was unable to stop the car safely. She had to take immediate action by moving the car to the shoulder to stop the car. There were no warning signs on the screen…
Frequently asked questions
Do all 2010 Mazda CX-9s have service brakes problems?
No. NHTSA has 88 owner complaints about service brakes for the 2010 Mazda CX-9 (45% of the 195 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2010 Mazda CX-9 service brakes?
No recall currently lists service brakes for this vehicle.
At what mileage do service brakes problems start?
The median reported mileage is 83,600 miles: half of the reports with a mileage came before that.
How much does it cost to fix service brakes problems on the 2010 Mazda CX-9?
Owners report a typical cost of $1,200 (half paid between $930 and $1,600), from 9 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about service brakes problems on the 2010 Mazda CX-9?
The most frequent phrase is “brake booster”, in 38 of 88 complaints, followed by “hissing sound” (19).
See all 2010 Mazda CX-9 problems or service brakes problems across all CX-9 years.