2014 Mazda MAZDA6 problems & reliability
137 owner complaints filed with NHTSA for the 2014 Mazda MAZDA6, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
7 complaints report injuries (7 injured).
Federal crash records (FARS 2020–2023): 2014 Mazda MAZDA6 vehicles were involved in 35 fatal crashes with 19 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 47 | 34% |
| Power Train → | 19 | 14% |
| Service Brakes → | 17 | 12% |
| Unknown OR Other | 17 | 12% |
| Engine → | 15 | 11% |
| Electronic Stability Control (esc) → | 10 | 7% |
| Steering | 9 | 7% |
| Vehicle Speed Control | 9 | 7% |
| Wheels | 8 | 6% |
| Structure | 7 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 42,600 miles (middle 50% between 19,000 and 68,000 miles), based on 96 complaints that included mileage.
Complaints by incident year
What owners report
“At 70000 miles the transmission just got stuck into a single gear in manual. I drove it home and the check engine light came on. Before this problem the car would not go into park. Every time I put it into park I was unable to turn off the car because it thought it was still in gear. I had to fiddle the gear stick…”
Power Train · filed Oct 4, 2025
“I pulled into my parking space in front of garage door, I came to a complete stop and positively without any doubt, put my foot on the brake. As I shifted to park, all of a sudden engine loudly revved up and car suddenly and quickly accelerated through garage door. I want to make it perfectly clear, I DID NOT HAVE MY…”
Unknown OR Other · filed Aug 28, 2025
“My 2014 mazda 6 EVAP system pops the p0451 when filling up gas to the first click. It goes away after a while if I take care to not fill up the tank all the way to the top. It is similar to a issue reported by recall 7414D for other 2014 mazda 6s. My car is not covered by the open recall, but it is experiencing…”
Fuel/propulsion System · filed Aug 14, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
756 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2014 Mazda MAZDA6. The 10 most recent:
This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s)…
SA-041-26 · Service Bulletin/Repair Instructions · issued Jun 19, 2026
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-008/23 06/05/23 Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the…
01-008-26 · Service Bulletin/Repair Instructions · issued May 1, 2026
DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the…
SA-031-26 · Service Bulletin/Repair Instructions · issued Apr 30, 2026
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
This Service Alert supersedes the previously issued SAs and bulletin(s) listed below: The changes are noted below in red. SA-010/23 02/09/23 DESCRIPTION Some customers may experience one or more electrical malfunctions…
SA-021-26 · Service Bulletin/Repair Instructions · issued Apr 4, 2026
There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method • B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys •…
SA-005-26 · Service Bulletin/Repair Instructions · issued Jan 26, 2026
Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
SA-001-26 · Service Bulletin/Repair Instructions · issued Jan 5, 2026
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been…
SA-061-25 · Service Bulletin/Repair Instructions · issued Dec 17, 2025
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C…
07-004-25a · Service Bulletin/Repair Instructions · issued Dec 10, 2025
Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why…
SA-055-25 · Service Bulletin/Repair Instructions · issued Nov 26, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2014 Mazda MAZDA6 has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2014 Mazda MAZDA6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 42,600 miles — budget accordingly if the car is approaching that mileage.