Chilton's, Mercedes-Benz 2, Repair & Tune-Up Guide 1968-1973 shows in Clutch and Transmission Chapter the following transmission type vs. Model application:

K4C025 (3 planetary gearset)---220D/8,220/8,230/8,250/8,250C,280S/8(fromMay1969),280SE/8(from May 69),280SEL(from May 69),300SEL/8(from May 69),280,280C.

Does anyone have any information/experience contradicting/confirming this data?