Quote:
Originally Posted by Mighty190
I have a 1997 E320 with all the harness, key, etc, that I am using for a donor car. I have the subframes out and I'm trying to determine what wires I need from the harness. Obviously I need the engine and transmission harness and ECU. Unsure how many modules on the body I will need.
I'm planning on swapping the m104 and trans in. If I need the rear end pickup for it to shift that's something I am willing to address once I have the engine and transmission in.
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My posts 14 and 36 outlined what you need to do for a 97 with ME 2.0 / 2.1 . This isn't complicated if you use everything from the same car. If piece meal, at minimum the RFID key / DAS box / ECU must be from the same car.
Roncallo did a V12 swap into a R107, electrically the swap was more complicated than it needed to be due to his refusal to use aftermarket parts. Specifically a speedo fooler / ratio adjuster so the ABS / Trans controller sees the proper rear end ratio. He ended up doing a lot of extra work to swap in the V12 differential.
An aftermarket ECU / trans controller will add $$$ for about no gain on a stock engine / trans. Last I checked a basic Halltech FI is $ 1,500 + wiring time + adding speed sensors + lap top SW and a PCS trans controller is $ 1,200 + the Mercedes programming + lap top SW.
Or one could get all the OE stuff needed to run the engine / trans for sub $ 150 at a u pull and have very little wiring to do.