NHTSA Complaint #11394571 — 2020 MERCEDES-BENZ GLE 580

THE VEHICLE IS A 2020 MERCEDES BENZ GLE 580, WHICH HAS ALL-WHEEL DRIVE. IT HAS STANDARD WHEELS AND TIRES. THE OE TIRES ARE COOPER DISCOVERER SRX LE, SIZE 275/50R20. AT 5,900 MILES, BOTH OF THE FRONT TIRES BEGAN CHUNKING, WHERE CHUNKS OF TIRE TREAD BEGAN FALLING OFF. THIS OCCURRED IN THE CENTER OF THE TREAD, AS WELL AS AT THE EDGE OF THE TREAD WHERE IT MEETS THE GROOVE. THE FRONT TIRES WERE REPLACED BY MERCEDES AT 5,932 MILES. APPROXIMATELY 6,000 MILES LATER, I NOTICED THE FRONT TIRES WERE CHUNKING AGAIN. THE REAR TIRES WORE OUT AND WERE REPLACED AT ABOUT 10,250 MILES. IF THEY ALSO EXPERIENCED CHUNKING, IT WAS NOT NOTICED.