Brown discoloration on Brake Disk Rotor 83 240D
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03-19-2003, 10:02 PM
Join Date: Feb 2003
Location: Ontario, Canada
Wash your car & then park it right away.
Look at the rotors the next morning, and you will see the same brown ring ( rust ).
Not much to be concerned about, as you will scrub it off with your first brake application.
2007 C 230 Sport.
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