Where is the fuel sending unit on a s 500 Benz?

The fuel sending unit on a Mercedes-Benz S500 is typically located inside the fuel tank. To access it, you usually need to remove the rear seat or the access panel in the trunk, depending on the model year. Once you gain access, the sending unit can be removed from the tank for inspection or replacement. Always consult the vehicle's service manual for specific instructions and safety precautions.