Find used cluster. You could wind up soldering then soldering the next tracer . . . like Tom Hanks following the wiring in "Money Pit." LOL. Just check the cluster back to make sure you're not getting the same thing.

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1983 300D, the "Avocado"
1976 240D, 4-spd the "Pumpkin", SOLD to Pierre
1984 190D, 2.2L, 5-spd, my intro to MBZ diesels, crashed into in 2002