This 1974 Mercedes-Benz W114 was built by Un Limited Kustom in Kasugai, Japan. The factory 2.3 L or 2.8 L inline-six was replaced with a Toyota 2.5 L 2JZ-GE inline-six. It appears a Toyota automatic transmission was also swapped over.
Source: Un Limited Kustom and Flickr build gallery (more photos)
Intake manifold like on old OM61x Mercedes engines 🙂 W114 in perfect condition.
Hey would it be possible for you to post a picture of the ECU visibly showing the ECU harness connectors? The two that connect to the body harness. I have an engine just like this with some uncertainty about the harness wiring