Lagonda working on an S-Class based Concept?

The Concept Lagonda showed at Geneva was a bit of a PR disasterLagonda are preparing a luxury saloon concept based on the Mercedes S Class, which may make an appearance at Frankfurt.Aston Martin are still intent on bringing back the Lagonda, despite the less than universal praise for the big SUV concept they showed at Geneva this year. And if the rumours are to be believed, it will be a big,