What manual tells you to remove the radiator to replace the belt? It's a lot easier if you remove the shroud and fan, but there's nothing special about that. With the shroud draped on the fan, put a piece of cardboard over the radiator fins to protect the radiator and your skin through the rest of the job. Too little too late, huh?

Sixto
95 S420
91 300SE
87 300SDL
83 300SD