Hi Longhorizon,

"In a hydraulic brake system, the driver applies force by a mechanical link from the pedal to the master brake cylinder. In turn the master brake cylinder develops hydraulic pressure in the wheels. In contrast, the electro-hydraulic brake SBC provides the brakes with a brake fluid supply from the hydraulic high-pressure reservoir, which is sufficient for several braking events. A piston pump driven by an electric motor supplies a controlled brake fluid pressure between 140 and 160 Bar in the gas diaphragm reservoir."

Some Mercedes owners call it, "Stupid Brake Control." You can read more detail from Wikipedia.

http://en.wikipedia.org/wiki/Sensotronic_Brake_Control

I had a feeling that you like a Mercedes Benz car a lot because you put that first on your list. Have fun shopping.

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FYI, I thought you might be interested in reading these threads.

http://www.benzworld.org/forums/w211-e-class/1591732-how-interpret-balance-shaft-sprocket-engine.html

http://www.benzworld.org/forums/w211-e-class/1606728-diy-temporary-thread.html

http://www.benzworld.org/forums/w211-e-class/1659524-recall-2007-09-e350-4-matic.html