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2020 Mazda MAZDA3

Problems, recalls and owner-reported issues

Forward collision avoidance is the leading concern among 32 owner complaints filed for this model year. This is the 18th highest complaint count among 22 MAZDA3 model years with reports.

Complaints by model year
  17. 32
Primary concernForward collision avoidance15 reports · 47% of complaints
Owner complaints32Filed with NHTSA
Recall relationship2 safety recallsNHTSA campaign records

What owners report most often

  1. Forward collision avoidance15
  2. Electrical system3
  3. Service brakes3
  4. Steering3
  5. Other or unspecified3
  6. Fuel/propulsion system2
  7. Lane departure2
  8. Suspension2

Recalls and investigations

  1. Service brakes, hydraulic, foundation components, disc, caliperJun 12, 2020

    Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.

    Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.

    Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.

    Campaign 20V346000 on NHTSA.gov

  2. Forward collision avoidance, automatic emergency brakingDec 19, 2019

    Mazda North American Operations (Mazda) is recalling certain 2019-2020 Mazda3 vehicles. The Smart Brake System (SBS) can falsely detect an obstacle while driving, activating the automatic emergency braking system and suddenly stopping the vehicle.

    Stopping the vehicle unexpectedly increases the risk of a crash.

    Mazda will notify owners, and dealers will update the SBS software. In addition, vehicles with certain production dates will receive an instrument cluster software update or replacement and a replacement owner's manual. These repairs will be performed free of charge. The recall began February 14, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4219L.

    Campaign 19V907000 on NHTSA.gov

Representative owner complaints: suspension

2 reports, newest first. Show all

  1. Suspension, Nov 18, 2025

    I pulled into the driveway (at about 5 mph) of my passenger's home, when a very loud, metallic pop occurred somewhere inside my vehicle. I could not discern the problem by visually inspecting the car. Upon returning to my home, I arranged for the dealership to inspect the car's suspension. They found that both rear springs had snapped off from their lower vehicle attachment points. At the time of the incident, my car was less than 6 years old and had approximately 62500 total miles. I had the dealership replace both rear springs and associated attachment hardware. Prior to this failure, the dealership had routinely inspected the suspension of my vehicle as part of PA annual inspections. I experienced NO warning symptoms prior to the suspension failure.

  2. Steering, Suspension, Nov 16, 2025

    TSB 02-003/24 Car front suspension bolts corroded and making metal on metal sounds during turning and braking