If I may ad to the excellant advise. Don't buy any pads or rotors other than MB. I did once and all I got was noisy breaking, akin to light grinding. Never again. I have struck up a friendship with a service station owner and he lets me buy my MB parts from the dealer at his cost and I do the work. How sweet it is!

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....just drive'em!
'89 300TE White w/Blue, 152K SOLD!
'93 300E Blue w/Tan, 154K SOLD!
'01 E-320 4-Matic wagon, 130K
'67 Vette Conv. White w/Blue, 217,421K