Where can i find the body code on my 2003 mercedes benz c320 i has to order front end parts plus i have to order new front brakes and new front rotors and also have to order new back brakes and new rotors

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Need to find body code to make sure i get the right front end parts and the right front and back brakes and the right front and back rotors. Second question is i just bought the car how do i know if its 4matic or not how can i find out for sure if it's 4matic or not