The squeeking is because MB pads do not have anti squeal shims. You need to apply copper brake paste to the backs of the pads and where they contact the caliper. MB part No 001 989 10 51 or any good accessory shop.
'08 Chrysler 300CRD (MB OM 642 engine)
'95 E220 estate
'89 230TE (R.I.P.)