How do you replace a rear transmission seal on a 1973 Mercedes-Benz 450sl?

To replace the rear transmission seal on a 1973 Mercedes-Benz 450SL, first, ensure the vehicle is securely lifted and supported. Remove the driveshaft and any components obstructing access to the transmission. Carefully remove the old seal using a seal puller or flat tool, then clean the sealing surface. Install the new seal by gently pressing it into place, ensuring it is seated evenly, and reassemble the driveshaft and any removed parts.