A door control module/actuator may fail. Our technicians recommend finding an expert to repair them. Taking the door trim panels off requires expert knowledge because they can break and the pieces are very expensive.
Car Problem Reports
Mercedes-Benz S500 4MATIC Door Control Modules May Fail
Mercedes-Benz S500 4MATIC Problem
Average Mileage: 135,000 mi (50,000 mi - 220,000 mi)