Since we're on the subject...

This "lug bolt" concept is new to me with the MB. I've done brake rotor/caliper replacement, but that was a while ago, on a GM.

I've seen a front brake "kit" on E-bay, which includes pads, rotors, sensors, a few pins and rotors for my SD.

My question, before I pull the wheel apart, is: Is the rotor what I'm bolting the wheel onto, or is the rotor floating on some other part? It looks like, from pictures I've seen, is that the rotor is what the bolts to into.

Thanks in advance...

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83 SD 143 K miles
93 Grand Caravan 130K miles
92 Buick Regal (winter car)