Originally Posted by MMZ_TimeLord
On TunerTools they have this listed when you ask for Mercedes category items... Also comes up in the Chrysler category.
AEM Fuel / Ignition Controller (F/IC)
Looks like a very compatible and easily tunable fuel/ignition piggyback system for under $500.
That's the system I was considering as well, in addition to the dual wideband 02 sensor... I have the link to the software.
here if you want to check it out...