Sorry to hear that! You can look up your car's make/model at www.ChiltonDIY.com. There you can browse the table of contents before purchasing the online manual to see what is covered. Just click on the plus signs to reveal the subheadings. Subscribe to view, print, and save from the repair procedures, specifications, technical service bulletins, diagnostics, maintenance intervals and more.
Though the ML320s glass replacement is not covered currently, Chilton adds new information continually.