checked my manual, says to use this stuff right here and also says 236.10 or 236.12
as well as it's specified on the back of the bottle too that7 its for crossfires
http://www.ebay.com/itm/Shell-ATF-134-Mercedes-Benz-Transmission-Fluid-236-14-236-12-Case-of-12-1-qt-/171116935490?pt=Motors_Car_Truck_Parts_Accessories&hash=item27d75d3942&vxp=mtr
looks like this it is!

thanks for the reassurance.