I just successfully bled my 2004 E500 with SBC using a manual vacuum pump and a brake bleeder.
http://www.amazon.com/Brake-Bleeder-Vacuum-Pump-Kit/dp/B005BT90DI/ref=sr_1_4?s=automotive&ie=UTF8&qid=1411877393&sr=1-4&keywords=vacuum+pump+kit

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2004 E500 4Matic 138,000 miles