I blogged about my install of the Bosal cats on my '02 E320 rear wheel drive. I couldn't find any specific mention of the Bosal parts on RWD (lots of great posts on this forum are missing part numbers). There is a great post about a right side fitting problem with a Bosal on a 4-matic wagon. I was pretty pleased with the Bosal parts for my RWD...
No Excuse For Thinking: Bosal Catalytic Converter Pipe install on a Mercedes 2002 E320
No Excuse For Thinking: Bosal Catalytic Converter Pipe install on a Mercedes 2002 E320