Okay, so I tried Chrome, Explorer, and Firefox, and none of them are working well for me. Sometimes a pdf is opened and other times I get "Document not found". So I don't think it is the browser, nor do I think it is the pdf viewer I am using.

Would someone who has been successful try to open this file:
Model 124 Service Library..... Disk 1.....300D Turbo 1987......Continue..... Maintenance Manual....Maintenance Manual Index.....0050 Inspecting Component Condition

This fails to open for me, but if you can get it to open, please let me know. As an aside, I don't actually need that info. It was just one of the many files I was testing the website on. Glad it is working for some of you.

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1968 220D, w115, /8, OM615, Automatic transmission.
My 1987 300TD wagon was sold and my 2003 W210 E320 wagon was totaled (sheds tear).