Change rotors when changing pads? - Page 2 - Mercedes-Benz Forum

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post #11 of 13 (permalink) Old 06-03-2010, 08:48 AM
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The rotors for MB's are quite cheap which makes changing them worthwhile in order to avoid the potential for problems or decreases in brake performance that could have been avoided. Keep in mind that brakes are the single best and most important piece of safety equipment on your car, and not the place to try and save a few bucks or a few minutes of shop time.


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post #12 of 13 (permalink) Old 06-03-2010, 09:05 AM
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The mere fact that there is a little lip on the rotor does not necessarily mean that it must be replaced. A lip is going to develop as the rotor wears. If the rotor is still within spec (that's why there is a spec) and you won't know that unless you measure it and if it is likely to make it through the next set of pads, there is no need to replace it regardless of price unless of course it is warped or has been overheated, etc..

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post #13 of 13 (permalink) Old 06-03-2010, 07:49 PM
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The wear limit on most recent models is 2 mm, which means 1 mm per side.

Most "lips" are 1 mm.

Kent Christensen
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