Generic OBD-II scanners only scratch the surface with European cars—they miss...

https://dominicksuniqueperspective.quantlynix.com/posts/mercedes-suspension-adapts-in-real-time-what-can-go-wrong

Generic OBD-II scanners only scratch the surface with European cars—they miss many manufacturer-specific codes that reveal real issues. Pair that with the risk of counterfeit parts flooding the market, and you’ve got a recipe for costly mistakes