There are 8 owner-reported speed control & cruise complaints for the 2014 Mazda Mazda6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The car had a (SUA) Sudden Unintended Acceleration malfunction. No, the car was totaled and towed away. My safety was put at risk as I was slowly pulling into a parking spot, eased my foot onto the brake and this malfunction caused my car to involuntarily jolt into a rampant high speed. It jumped a curb and crashed into a tree. My brake was useless in stopping this runaway vehicle. The only thing that stopped it was that tree! The airbag deployed and I was badly bruised from the airbag. Fortunately, there were no pedestrians or other cars near mine. There were no warning lights or messages before, during or after the accident. It happened so quickly because the tree was only a few feet in front of my car.
INTERMITTENTLY, THE CRUISE CONTROL BUTTONS DO NOT PERFORM THEIR PROPER FUNCTION. WHEN EXPERIENCING THE ISSUE, ALL OF THE FOLLOWING OCCUR: 1) CANCEL BUTTON FUNCTIONS AS THE MINUS (DECELERATE) BUTTON, 2) THE MINUS BUTTON FUNCTIONS AS THE PLUS (ACCELERATE) BUTTON, 3) THE PLUS BUTTON DOESN'T WORK, AND 4) THE OFF BUTTON DISENGAGES THE CRUISE CONTROL BUT DOES NOT SHUTOFF THE CRUISE CONTROL MAIN POWER. THIS BEHAVIOR IS AN ISSUE BECAUSE WITH THE CANCEL BUTTON ACTING AS THE MINUS BUTTON, THE CRUISE CONTROL WILL ACTIVATE WITH THE CANCEL BUTTON. IN ADDITION, HAVING THE MINUS BUTTON FUNCTION AS THE PLUS BUTTON COULD CAUSE AN ACCIDENT IF THE CAR BEHAVES IN THE OPPOSITE MANNER AS EXPECTED. THE ISSUE OCCURS INTERMITTENTLY WHILE DRIVING.
I WAS DRIVING ON THE HIGHWAY WITH MY CRUISE CONTROL SET AND ALL OF A SUDDEN THE CRUISE CONTROL SHUT OFF AND A WARNING POPPED UP "MRCC INSPECTION REQUIRED"
WHILE DRIVING ON THE HIGHWAY WITH CRUISE CONTROL ON, MY CAR ATOMATICALLY SLAMMED ON THE BRAKES AND SLOWED DOWN RAPIDLY. A SHORT TIME LATER, THE FORWARD OBSTRUCTION WARNING INDICATOR CAME ON AND SAID AN INSPECTION WAS NEEDED. MAZDA DEALERSHIP SAID "NEVER HEARD OF THAT" DESPITE SIMILAR PUBLIC COMMENTS ON USER FORUMS. DEALER WILL NOT COVER FULL COST OF THE REPAIR BECUASE CARE IT OUT OF WARRANTY. I BELIEVE THIS IS A SERIOUS SAFETY ISSUE THAT SHOULD NOT FALL UNDER NORMAL WARRANTY CONSIDERATIONS.
TL* THE CONTACT OWNS A 2014 MAZDA MAZDA6. THE CONTACT STATED THAT WHILE ATTEMPTING TO PARK, THE VEHICLE LUNGED FORWARD AND CRASHED INTO A POLE AS AN UNKNOWN WARNING LIGHT ILLUMINATED. A POLICE REPORT WAS NOT FILED AND NO INJURIES WERE SUSTAINED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 39,000.
THIS VEHICLE HAS A PROBLEM WITH SUDDEN ACCELERATION WHEN TRAVELING AT VERY SLOW SPEED OR IDLING. ON NUMEROUS OCCASIONS THE VEHICLE WILL ACCELERATE WHILE YOU ARE IDLING AND OR HAVE FOOT ON BRAKE. I WAS DRIVER ON ONE OCCASION WHILE I WAS AT A FAST FOOD DRIVE IN IDLING IN GEAR AND THE CAR SUDDENLY ACCELERATED A LURCHED FORWARD. ON OTHER OCCASIONS I HAVE BEEN IDLING WAITING TO TURN LEFT AND THE CAR SUDDENLY ACCELERATED. THIS PARTICULAR ACCIDENT HAPPENED WHILE DRIVING UNDER 10MPH AND THE CAR SUDDENLY ACCELERATED CAUSING A REAR END COLLISION WITH THE CAR IN FRONT. *TR
THE ADAPTIVE CRUISE CONTROL (MRCC), SMART CITY BRAKE SYSTEM (SBS), AND DISTANCE RECOGNITION (DRSS) SAFETY FEATURES FAILED FOR THE FIRST TIME DURING THE MENTIONED DATE ABOVE (FEB 18 2014, AT 21000KM. I REPORTED TO MAZDA SERVICE CENTER I KHOBAR, KSA THOUGH PHONE CALLS, EMAILS, AND BROUGHT CAR FOR SEVERAL TIMES. I WAITED FOR MONTHS UNTIL THE ISSUES WERE RESOLVED ON APRIL 7 2014 AT 30000KM LAST JUNE 14, 2014, THE SAME FAILURES OCCURRED AGAIN WHILE I WAS DRIVING ON A HIGHWAY AT 75MPH. I BROUGHT THE CAR TO SERVICE CENTER ON THE NEXT DAY AND IT TOOK A DAY TO FIX THE ISSUES. IM AFRAID THE SAME ISSUES WILL OCCUR AGAIN WHICH IS PUT MYSELF TO HIGH RISK FOR ROAD ACCIDENTS. *TR
TL* THE CONTACT OWNS A 2014 MAZDA MAZDA6. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 68 MPH, THE RADAR OPERATED CRUISE CONTROL ACTIVATED AND CAUSED THE VEHICLE TO INDEPENDENTLY DECELERATE TO 55 MPH. THE CONTACT STATED THAT THERE WAS NOT ANOTHER VEHICLE AHEAD OF HIM WHEN THE FAILURE OCCURRED. THERE WAS A SEMI-TRUCK LOCATED TO THE RIGHT OF THE CONTACTS VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE THE TECHNICIAN RE-CALIBRATED THE RADAR SYSTEM HOWEVER, THE FAILURE CONTINUED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 100. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026