Where is the turn signal relay located on a 1978 Mercedes Benz 240 D?

The turn signal relay on a 1978 Mercedes Benz 240 D is typically located in the fuse box, which is found under the dashboard on the driver's side. It is usually mounted on the side of the fuse box or directly attached to it. If you're having trouble locating it, refer to the vehicle’s service manual for specific diagrams and details.