Out of curiosity, what else does the EDS do on these cars? I'm aware of it doing idle stabilization, tach output, and EGR control (emissions), but does it do anything else or is that pretty well it?

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Current stable:
1995 E320 149K (Nancy)
1983 500SL 120K (SLoL)

Black Sheep:
1985 524TD 167K (TotalDumpster™)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)