OEM will mean MB dealer, not Fastlane at least not often. Fastlane will do fine for rotors but I would get the pads from MB.

I would use Pagid in many instances as they are an OE supplier, but for a couple bucks I'd get the pads from MB. The Brembo discs are what I would use.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician