Here is the part of an article from Master Technician magazine. The important info was on what NOT to use, DEXCOOL, also sold as PRESTONE EXTENDED LIFE GOLD and WALMART SUPER TECH .
Complete article here.
http://mastertechmag.com/magazine/main.php?smPID=PHP::view_article.php&RECID=39&sq=1&vn=1&in=1

"G-05 is a European antifreeze standard espoused by Mercedes-Benz for many years, and approved by Daimler-Chrysler and Ford, among others. It’s a hybrid with no phosphates and a small amount of silicates. A company like M-B that has always made a big point of selling worldwide naturally uses the hardest water it can find for its testing, with the result that it ends up shunning phosphates, which tend to react with calcium, magnesium and iron to cause electrolytic corrosion and form serious deposits inside a cooling system.

Here’s a good example of what we said in the introduction: Color doesn’t necessarily mean what you might think. While Ford’s G-05 is yellow, as is the major aftermarket brand, Zerex, the same antifreeze in Chrysler Group products has orange dye. Go figure.

Mercedes is the only automaker that employs a neat trick to keep the silicate level up in very long-life situations — a little packet of silica gel in the coolant reservoir that refreshes that inhibitor for years and years, believe it or not.

The formulations BMW and Volvo use are quite similar. With no phosphates and low silicates, they’re a lot like G-05 except that they add just a little 2-EHA."
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744 & 745 GLE's (IPD a-sbars)16v M46, 245 SE(IPD a-sbars) auto, 242Ti M46(IPD springs and bars), 745GL 8v auto