The contact owns a 2018 Lincoln MKC. The contact stated that there was a misfire coming from the engine while starting the vehicle. While inspecting the vehicle, the coolant level was extremely low. The check engine warning light was illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was informed of coolant intrusion into the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 69,349.