i own a 85 2.3 mercedes 190e 5-speed. I just recently bought a wrecked 97 c280 for $300.I am in process of swapping the m104 into my w201 chasis. What all needs to be done to make the m104 run in my w201. i know about the upper and lower rad suports along with flywheel. My biggest concern is how to wire up the ecu. I know about the stand alone sytem but I have a whole car to work with and would like to go with that . i appreciate everyoneshelp.