The contact owns a 2016 Mini Cooper S Clubman. The contact stated while the vehicle was parked, the contact noticed that the driver’s seat belt was inoperable. The contact stated that the seat belt failed to function properly, and the seat belt assembly failed to latch securely. An independent mechanic arrived at the residence and diagnosed the vehicle. The contact was informed that the seat belt assembly had failed and needed to be replaced. The vehicle was not repaired. The dealer was not contacted; however, the vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 70,000.