what is a D service for mercedes
Time Frame. Service D alerts the service department that maintenance to your vehicle will take approximately four hours. Once you bring in your car, the Mercedes-Benz service adviser will determine from the vehicle's instrumentation the type of maintenance needed.ervice D alerts the service department that maintenance to your vehicle will take approximately four hours. Once you bring in your car, the Mercedes-Benz service adviser will determine from the vehicle's instrumentation the type of maintenance needed.