http://www.mbusa.com/brand/container.jsp?/overview/overview_engine.jsp&yearModelCode=99_C230K&class=99_C&rnav=012345678&subNav=overview&menu=6_0&spec=0&category=0
Here is a link to the Mercedes website that shows some of the info you were asking about.
I noticed they only list the automatic transmission, in my world-wide info they list the manual transmission as standard, but again this may not be the case for the US market.
Gilly