Problem is with M103 valve covers at least, is that they are cast aluminum and riddled with pits that then have to be filled and sanded. Polishing wouldn't work out too well. My M117 is another story, but the paint is fine after 22 years so go figure......

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-tp


1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition