What exactly do you mean when you say the brakes are "dragging" after all that work?
Can you hear them touching slightly? Or do they lock the wheels up? Does it affect all the brakes or one? If you have already described all this in a previous thread, I am sorry to ask you to do it again, but a little more precise description of "dragging" would help understand the problem. By design the pads are supposed to essentially be touching but without any pressure. They do not "retract" any real distance into the caliper when you take your foot off the brake, so if you are hearing some rubbing, but you can turn the wheel by hand, it is probably ok. Jim
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)