This is the second report filing about the trunk lid closing without initiating the automatic closure. In order to keep this record accurate, the vehicle was brought into the Mercedes Benz dealer, (where it was purchased), on May 23, 2023. The service advisor came to the car to instruct me on how to use the mechanism. He was unable to operate it correctly either. The car was also brought in for other needed repairs. When the car was returned to me on May30th, this same service advisor reported to me that the dealership was unable to correct the problem with the trunk lid mechanism. On June 12, when I was retrieving some items from my trunk, NOT using the automatic mechanism, the trunk lid unexpectedly crashed down and struck me in the head. I experienced headache and bruise on the back of my head. The salesman and administrative team at the dealership said they declined to return my phone calls, or speak directly with me about this matter, due to fear of being sued.