These are the stamped numbers (codes) to which Frank is referring. Found on the rear of the camshaft.

Code on intake cam:


Number on intake cam:


Code on exhaust cam:


Number on exhaust cam:



This is from a 1973 /8 280 U.S. version (carbureted). It appears the exhaust cam has been replaced with an aftermarket cam. The intake is an original Mercedes. Note the differences in cam numbers and stamping.

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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
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