Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2002 Mercedes S430 Rear brake › 2002 Mercedes S430 Rear brake May 19, 2012 at 11:00 am #438610 dreamer2355Participant Can you see a rust ridge built up stopping the rotors from being removed? As long as the hold down screws have been removed, you can also try some PB Blast and a BFH (big hammer) to get it loose IF you plan on replacing the rotors.