My 1973 350SLC has a well worn steering wheel which I would like to replace. I would also like to fit something a bit newer and smaller. I am aware that the late 107 (from about '79-'80) got a different wheel to my '73 and have heard that these have different splines and/or fastening bolt.

How many different versions of MB steering column splines and fastening bolts were there between say 1970 and 2000? If the early and late 107 were different, can the column from a late one be fitted to the early model or would this require changing so many other items that it would be impractical.

Ideally I would love to have a leather steering wheel from say a late W124 or 201 fitted to my 107 (note that airbags are not an issue as they did not become standard fitment on MBs here in Oz until around '93). Presumably such a wheel would not be compatible with the column in my 107 but would it be compatible with the column from a late 107?

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107.023: 350SLC, 3-speed auto, icon gold, parchment MBtex (sold 2012 after 29 years ownership).
107.026: 500SLC, 4-speed auto, thistle green, green velour.
124.090: 300TE, 4-speed auto, arctic white, cream-beige MBtex.
201.028: 190E 2.3 Sportline, 5-speed manual, arctic white, blue leather.
201.028: 190E 2.3, 4-speed auto, blue-black, grey MBtex.
201.034: 190E 2.3-16, 5-speed manual, blue-black, black leather.