I bought my car used, and the parts houses cant match the rear calipers I have on the car now. The ones on there are #2104230412, but that part number doesnt match what everyone has for the C230K. I googled it, and it shows asa good part number for the mid 90's E classes, but not mine. I ordered rotor, and what I got will fit, but is not as tall as the ones that came off. Did I have the wrong ones on there to start with? If anyone can check this for me, I would much appreciate it.

Gary