Front or rear? I did mine but don't recall any bolts...
For the rear, you must use a hammer to strike the rotor at the hub area
where wheel sits on... bang it hard, and it will break off the rust...
bounce off the hub and out.
The front is similar way.
I don't recall which car has what (I have 3 MBs, W201, 202 and 126).
Some do have a bolt to secure the rotor. The size looks like the holes
that allow the lug bolts go thru so look at it carefully. I think it
needs either 5mm or 6mm hex key.
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