Here is the power brake booster, master cylinder, and reservoir from a 1980 Mercedes Benz 450SL. Will fit a number of years and models of Mercedes, but the buyer will need to check compatibility with their application. Is a core that is being sold for rebuilding....it is untested and is offered AS-IS. Buyer to pay shipping based on location, $30 for the eastern half of the US and $20 for the west coast (if you're on the west coast and the eBay system forces you to pay the full shipping charge, I will refund you the difference of $20). International buyers, please inquire for a shipping quote.