Thanks, Jim! It was very challenging and time-consuming. Sourcing Teflon wires and finding the right sheathing was difficult. Mapping the stripped wires between the connector and board was almost impossible. Cutting the connector was tough. My wife and I spent about two days desoldering, soldering, creating the harness, and testing. I am fortunate to have two heads and four hands.

I will reinstall then and hope for the best. Based on the Mercedes CD wiring diagram for the ETA (which seems to be messed up between the engines) the motor, actuator, 2 potentiometers, and two switches are fine. I tested with an ohm meter. Also watched and followed Victor's excellent video: http://www.restoreyourmercedes.com/Mercedes%20throttle%20body%20rewire.html

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2004 E500 4Matic 138,000 miles