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What 21 owners told NHTSA about the 2017 Mazda Cx-30

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (21)Crash / fire / injury (2)Fuel system (9)Engine (3)Electrical system (2)Speed control (2)Visibility & wipers (2)Airbags (1)Backup camera & sensors (1)Body & structure (1)Brakes (1)Fuel System, Other (1)

2 of 21 complaints match · Visibility & wipers · clear filters

Mar 19, 2025Visibility & wipers

Windshield wiper fluid tank leaks when you pour fluid in empty within about an hour

NHTSA ODI 11649311

May 20, 2020Visibility & wipers

WARM AIR FROM THE CLIMATE CONTROL VENTS- CAR IS UNDER 45,000 MILES AND NEEDS A NEW EVAPORATOR- MOST CARS WILL NEVER NEED A NEW EVAPORATOR, ESPECIALLY ONE THAT IS UNDER FOUR YEARS OLD. *TR

NHTSA ODI 11325334

Working with the data? Download all 21 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2017 Mazda Cx-30 verdict →