[1 Alibi 2]

I posted a chassis # location thread on another site, got the following:
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" Only chassis number (Build Number) Im aware of is under the bumper cover, drivers side behind rear wheel located on the lower rear quarter panel. We call it a CID # in the body shop at Flatrock assembly plant MI. I know for a fact the stamping is there on S550, S650 and im almost certain its there on the S197 chassis. I was in another area of the department when we were building the S197'S "