Front brakes are a piece of cake.

I had to redo a chain store brake job on mine just after purchase, they used cheap pads and incorrect grease seals. Replace the pads and the rotors, I would go with OE or Brembo on the rotors, OE on the pads. Replace all four wear sensors and get new seals. You may need a hefty impact to separate the hubs from the rotors, maybe even a bit of heat as some techs use blue Loctite on the threads. Be careful not to nick up the ABS sensor components when driving in the new seals and clean everything real good with brake wash.

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Chas

Had a 380SL, 450SL, 380SEL, 420SEL, 500SEL

Got a Euro 500SEC right now.