Rust concentrates around the trunk lock button area, and cars stored outdoors show UV damage in the rear vanity mirrors and third brake light as well as faded paint. A separate quirk: the hollow rocker panels have rearward-facing rubber drain grommets that, if knocked out (often by flatbed haulers), let the rocker resonate at speed like an organ pipe. …
Rust points, UV damage and outdoor-storage tells
Mercedes-Benz S-Class (W140) · cosmetic