Where is the EFI fuse on a 2001 SLK 230?

The EFI fuse for a 2001 SLK 230 is located in the fuse box, which can be found under the dashboard on the driver's side. You may need to remove a cover to access it. The specific fuse for the EFI system is typically labeled in the fuse box diagram, so refer to that for the correct fuse number. If you're unsure, consulting the owner's manual can provide further guidance.