2013 MERCEDES-BENZ SPRINTER 3500 Forward Collision Avoidance Automatic Emergency Braking Problems

ON MARCH 22, 2020, THE VEHICLE ENTERED THE 'LIMP HOME MODE' WHILE TRAVELING ON AN INTERSTATE HIGHWAY, WHERE THE SPEED LIMIT WAS 70 MPH. PRIOR TO THE FAILURE, WARNING LIGHTS WERE PRESENT ON THE DASHBOARD FOR ABS, ESP, AND ASR, WITH CRUISE CONTROL DISABLED. THESE INDICATOR LIGHTS WOULD CLEAR OCCASIONALLY AFTER THE VEHICLE WAS NOT IN USE FOR A PERIOD OF TIME, AND THEN REAPPEAR AGAIN AFTER DRIVING FOR ABOUT AN HOUR OR TWO. THE VEHICLE WAS TOWED TO A DEALERSHIP, WHERE TWO FAILED SPEED SENSORS WERE REPLACED TO CORRECT THE PROBLEM. A YEAR LATER, THE WARNING LIGHTS ARE BACK, WITH THE LOSS OF CRUISE CONTROL. IT HAS NOT ENTERED INTO THE 'LIMP HOME MODE' AS OF NOW. I HAVE READ NEWS ARTICLES THAT WERE INITIALLY PUBLISHED ABOUT 6 MONTHS AGO, THAT SAID THAT THIS IS A KNOWN PROBLEM THAT IS BEING INVESTIGATED BY NHTSA. WHAT IS THE STATUS AND...