What number for ac fuse for s500?

The appropriate fuse for a Mercedes-Benz S500 typically depends on the specific model year and electrical system requirements. Generally, the fuse rating can range from 10 to 40 amps for various circuits. It's best to consult the owner’s manual or the fuse box cover for the exact specifications for your particular model. If you're unsure, it's advisable to check with a professional mechanic or a dealership for the correct fuse rating.