my passengers seat doesnt work neither does the window, how do i fix it my self?

where are the fuses for both?

look in owners manual,in back of book,under fuses.find the fuse location of your problem, it will show you a diagram of fuse box,what works what, and check for blown fuse.

no owners manual

Diagram of fuse box for 2002 CL 500 mercedes - Fixya www.fixya.com › … › S-Class › 2002 Mercedes-Benz S-Class ...copy and paste link