I just noticed this. A friend of mine has some older ICUs but none like this despite having a few m110 cars.
http://www.benzworld.org/forums/sale-wanted-trade-giveaway/2639745-wtb-ignition-control-module.html

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Past mb: '73 450sl, '81 280slc stick, '71 250, '72 250c, '70 250c, '79 280sl, '73 450sl, parted: '75 240d stick, '69 280s, '73 450slc, '72 450sl,