This replacement window regulator is precision-engineered and extensively tested to match the exact fit, function and performance of the stock window regulator on specific vehicle years, makes and models. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Mercedes-Benz 230: 1977, 1978] - [Mercedes-Benz 240D: 1977, 1978, 1979, 1980, 1981, 1982, 1983] - [Mercedes-Benz 280CE: 1978, 1979, 1980, 1981] - [Mercedes-Benz 280E: 1978, 1979, 1980, 1981] - [Mercedes-Benz 280SE: 1978, 1979, 1980] - [Mercedes-Benz 300CD: 1978, 1979, 1980, 1981] - [Mercedes-Benz 300CDT: 1982, 1983, 1984, 1985] - [Mercedes-Benz 300D: 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985] - [Mercedes-Benz 300SD: 1979, 1980, 1981, 1982, 1983, 1984, 1985] - [Mercedes-Benz 300TD: 1982, 1983, 1984, 1985]