2012 Mazda CX-9 Service Brakes Problems

NHTSA component category: SERVICE BRAKES · data through 07/14/2026

139Service Brakes complaints

62.9%Of all 221 complaints

#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How service brakes ranks on this vehicle

SERVICE BRAKES139 · 62.9%

ENGINE25 · 11.3%

AIR BAGS23 · 10.4%

POWER TRAIN18 · 8.1%

VEHICLE SPEED CONTROL11 · 5%

Share of the 221 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 Mazda CX-9 overview page.

What owners report

“MY BRAKE BECOMES REALLY STIFF WHEN PUSHED. THIS SPECIALLY WHEN COMING TO A STOP WHERE YOU HAVE TO USE ALL YOUR ENERGY TO MAKE THE…”NHTSA complaint 10991904 — filed 05/27/2017

“THE CONTACT OWNS A 2012 MAZDA CX-9. WHILE DRIVING VARIOUS SPEEDS, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO ENGAGE CORRECTLY. THE PEDAL FELT STIFF…”NHTSA complaint 10990575 — filed 05/19/2017

“MY BREAK PEDAL FEELS AS IF IT BECOMES STIFF AND I HEAR A HISSING NOISE COMING FROM THE PEDAL. MY BREAKS WILL NOT SLOW THE…”NHTSA complaint 10985523 — filed 05/13/2017

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Service Brakes complaints by year filed

Frequently asked questions

Does the 2012 Mazda CX-9 have service brakes problems?

Service Brakes is the most-reported problem area on the 2012 Mazda CX-9: 139 of 221 complaints on file (62.9%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2012 Mazda CX-9 have in total?

221 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 9 involved a crash, 0 involved a fire, 8 reported injuries, and none reported deaths.

What does NHTSA's service brakes category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.