Where do you plug in diagnostic on 1992 Mercedes 500sel?

On a 1992 Mercedes 500SEL, the diagnostic connector is typically located under the dashboard, near the driver's side, close to the steering column. You may need to remove a plastic cover to access the connector. This vehicle uses a 38-pin diagnostic connector, which is compatible with the Mercedes-Benz diagnostic tools of that era. Make sure to use the appropriate adapter if you're connecting a modern diagnostic scanner.