NC car, so no rust at all, wouldn't touch it if there was.
MY VW pickup has 600K and some rust and it don't bend, surely a Merc is sound with a paltry 300K... Heck they make badges for it, they must have expected atleast a few to go that long..

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One more Radar Lover gone...
1982 VW Caddy diesel 406K 1.9L AAZ
1994 E320 195K