I have 2 W116 instrument clusters. One from a 73 450SE and one from a 1980 450SEL.

No idea if either is the one you are looking for.

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1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12
1982 380SL
1978 450 SEL 6.9 euro restoration at 63% and climbing
1987 300 D
2005 CDI European Delivery
2006 CDI Handed down to daughter
2007 GL CDI. Wifes