Quote:
Originally Posted by layback40
The W123 has what is called fully floating calipers, the W124 has semi floating. The semi is much cheaper to manufacture and lighter.
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The W123 and earlier cars have fixed calipers, floating calipers work fine for the base W124 and floating calipers are easier to service and are less prone to shudder from rotor surfaces that are less than perfect. They also have fewer moving parts and fewer seals to fail and leak.
Not everything that is older is better.