I am 98.2347% sure that it is a cookie related problem.

Try the following:
1) Click on "preferences" in the upper right corner of this screen.

2) Click on "Click here to delete all cookies set by this forum!" and submit.

3) Click on "Profile", enter your userid and password and without changing anything click submit.

4) Click on "preferences" again making sure that "store user name" is set to yes.

5) Close your browser

That should fix it.
Let me know.

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Bill Wood - Webmaster
MercedesShop.com, LLC