My speedo and odo stopped working during the winter and, except for very brief moments, failed the entire winter. Now that we have had a few days of 60 degree+ temps, it's working again. I guess I need to add that to my "spring break" MB fix-it list. So this is like a traditional speedometer with a cable strung from the dashboard back to the transmission?

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1987 300SDL 265,000 mi.
1982 300SD 325,000 mi. (and holding)
1956 Packard Clipper 150,000 mi.