Vehicle Data Hub

2010 Mazda CX-9 problems

Owners have filed 229 complaints with NHTSA about the 2010 Mazda CX-9. Brakes is the most reported problem area, at 40% of complaints. Next are engine (12%) and drivetrain & axles (10%).

At a glance

Complaints
229 filed with NHTSA
Most reported
Brakes 40% of complaints
Crashes and fires
8 and 5
Injuries and deaths
7 and 0
Typical mileage
77,000 miles 170 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

When problems show up

Complaints by mileage, 2010 Mazda CX-9 Complaints by odometer reading in 20,000-mile steps. The median is about 77,000 miles. 0k to 20k miles: 18 complaints 20k to 40k miles: 22 complaints 40k to 60k miles: 24 complaints 60k to 80k miles: 25 complaints 80k to 100k miles: 27 complaints 100k to 120k miles: 22 complaints 120k to 140k miles: 20 complaints 140k to 160k miles: 7 complaints 160k to 180k miles: 5 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 77,000 miles
Based on 170 complaints that include mileage. 38% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles18
20k to 40k miles22
40k to 60k miles24
60k to 80k miles25
80k to 100k miles27
100k to 120k miles22
120k to 140k miles20
140k to 160k miles7
160k to 180k miles5
180k to 200k miles0
200k+ miles0

What the data shows

Of the 170 complaints that include odometer readings, half describe a problem before roughly 77,000 miles. For brakes specifically, the median reported mileage is about 85,000 miles (77 complaints with mileage).

Safety-related details: 8 complaints mention a crash; 5 complaints mention a fire; 7 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2010 ranks 4th most-complained-about out of 15 model years of the Mazda CX-9 with enough data (99 complaints in that window). It is also covered by 6 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

Air bags did not deployed and we [xxx] [xxx] people on back of driver seats at the time of the accident....[xxx] had a surgery face wa open 7/3 of and inch on face [xxx] had a tbi to hematoma surgery of the brain ect will send you paper work on both surgerys

Reported at 2 miles, March 2019 CrashFireInjury

Brake pedal would not depress. Car hit another vehicle that was stopped and it hit another vehicle. The mazda never even slowed before hitting the stopped vehicle. My wife was driving and she has had this issue before but it was intermittent and we could not get it to act up to bring it to the dealer. The 3rd car involved I do not have a status of. [xxx]

Reported at 56,977 miles, June 2014 CrashInjury

Tl* the contact owns a 2010 mazda cx9. The contact received notification of NHTSA campaign number: 16v356000 (air bags); however, the part for the recall repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The contact stated that the vehicle's indicators showed that all systems were functioning correctly; however, the air bags and seat belts were malfunctioning.

Reported at 18,000 miles, February 2016 CrashInjury

Same braking problem for which mazda issued an extended warranty in april of 2014, where mazda knows they have a defective part impacting the quality of braking, in which under pressure would generate a hissing noise and loss of braking power, extreme difficulty pushing the brake pedal (and complete loss of braking ability). Our incident occurred while traveling on interstate 10 at speeds exceeding 60 MPH and traffic slowing.

Reported at 70,000 miles, September 2014

The contact owns a 2010 Mazda CX-9. The contact stated while conducting a routine check, he noticed that the coolant and the oil levels were low. An independent mechanic diagnosed that the coolant was leaking into the engine. The vehicle was not repaired. An unknown dealer was contacted and informed the contact that the VIN was not included in a recall related to the failure. The manufacturer was not notified of the failure. The failure mileage was 160,000.

Reported at 160,000 miles, March 2022

Other model years of the CX-9

Best and worst years for the Mazda CX-9