fuse layout – Page 299 – Circuit Wiring Diagrams 2000 Mercedes SL500 Fuse Box Diagram. 2000 Mercedes SL500 Fuse Box Map. Fuse Panel Layout Diagram Parts: exterior lamp, combination relay, fuse and relay holder, gasket, fuse box cover, screw, relay box cover. 2000 Chevy Cavalier Fuse Box Diagram. Posted by circuit wiring in Car Fuse Box Diagrams. 1999 Mercedes SL500 Fuse Diagram - Fixya Apr 10, 2013SOURCE: My 1994 Mercedes Benz SL500 radio display turns on, but no sound? I had same problem with my 1994 SL600. Also when this happens you will lose your interior door lights when you open the doors. My problem was solved by taking out the, A-white 40 amp 12V Relay and cleaning off the 6-prongs and reinstalling.