I went to replace the brake pads on the front passenger side (300TD) and noticed I could not get the inside caliper side to retract. The rubber looks good. I tried C-clamps, a screwdriver, a wedge bar - it will not budge.

This caliper (Bendix) is only 4 years old. It was a rebuilt unit.

Anyone else have similar short life span to their calipers?

Are there any other tricks to get it to retract?

Thanks

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JWJ
1983 MB 300D - > 430,000 miles - Deep Blue - Bilstein Comforts - 0-60 in 24 seconds - 27MPG
1985 MB 300TD (wagon) - > 275,000 miles - Manila Beige - Thule rack - 0-60 in 18 seconds - 22 - 25MPG
Biodiesel, Mobil Delvac 1, and Viton fuel lines!

Make sure the piston is not cockeyed in the caliper or it will jam and not move. If you replace your brake fluid every couple years brake calipers should last a looooong time.

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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
'01 SL500 - 103k(km) - dad's (OC-110,000km)
'16 E400 4matic Sedan - 148k - Brothers (OC-155k)

loosen the caliper bleed screw then retract the piston. Any why just one side? Also if the rubber hose to the caliper is original, it can restrict back flow of fluid.

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81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.