The calipers are standard issue 560SL 4 pistons, regarded by many to be just as good, and in some cases worse, than the standard 560SEL/C brakes. These came on the W124 AMG Hammers because it was the biggest/best brake OEM MB had to offer at the time. Typically they were not used on W126 AMG cars but could be. Nothing too special, but they are new so that counts for something.
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