The contact owns a 2017 Lincoln MKZ Hybrid. The contact stated that while driving 35 MPH, there was an abnormal sound coming from the engine. No warning light was illuminated. The vehicle was taken to a dealer, where it was diagnosed and determined that the transmission had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 106,800.