The right front brake caliper on my 190D has started to seize up occasionally, causing the pads to rub against the disc. I notice that a 'caliper repair kit' is available (for only $7.50), or I could replace the entire caliper with a new / rebuilt one for around $110.

Is the repair kit intended to fix this sort of problem? Does old caliper + repair kit = rebuilt caliper? Is there anything else I can try before going to the trouble of replacing/repairing the caliper? I notice that on this wheel, the brake disc set screw (that holds the disc to the hub) is missing - would this cause / contribute to this problem?

Matt

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1989 250TD Wagon 5-speed, 160,000mi ::: Dark gray metallic / black cloth
1984 190D-2.2 5-speed, 287,000mi ::: Silver-blue metallic / black MB-tex ::: SOLD