Yup, follow the above link and go down to the section that covers the W210 single piston floating caliper. While you are there, make sure the disks are not worn below the min thickness stamped on them. In my experience, the rotors typically last 2 sets of pads before they wear down too thin.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record