I'm going to order the parts I need from fastlane tonight. I'm changing the front brake pads on my 83 300SD. I know I need to by brake pads and brake pad wear sensors but are there any other things i should get. Also while im working on the brakes are there any other maintenece procedures that I should do while i have easy acces to them. If anyone has any little helpful advice id really appreciate that. thanks.

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W126 1983 300SD 286,000 miles and ticking
Baby blue exterior Grey MB tex
Recent work:
Replaced air cleaner mounting brackets and heat shields
Replaced alternator, fan and power steering belts
Replaced positive battery terminal
Replaced negative battery terminal and cord
New Duralast Battery

My car needs work.