Isn't there also a special MB code reader that plugs in under the hood for these cars or did they abandon that and just go with the standard ODB-II ? If there are special MB codes, when is it necessary to have to have one and will it also read the ODB-II codes?

Thanks

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What Would Rudolph Do?
1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius