C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

When do I change the brake discs?

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Old 11-28-2017, 04:32 AM
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C204
When do I change the brake discs?

I have to change my brake pads because I got a warning about it but how do I know when to change the brake disks? Is there some kind of warning for the discs too or there is another way to tell they have to be changed?
Old 11-28-2017, 04:58 AM
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W204 C220CDI 2011
You change them if they are excessively scored or if they are below minimum thickness which is marked on the disc hub.
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Old 11-28-2017, 05:20 AM
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There is a 1-3 milimeters edge but I do not see any markers or signs showing a minimum thickness. What do I have to look for? How is it marked?
Old 11-28-2017, 05:22 AM
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It is usually marked on the part of the disc where the wheel mounts.

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