Where is the oil pressure sending unit for 1997 Mercedes Benz S420?

The oil pressure sending unit for the 1997 Mercedes-Benz S420 is located on the engine block, near the oil filter. It is typically positioned on the driver's side of the engine, towards the rear. To access it, you may need to remove some components for better visibility and reach. Always consult the vehicle’s service manual for specific details and safety precautions.