Green.
That’s right, all Mercedes built in the 2015 model year and beyond to come only in green.
Oh, wait, that’s not the color green, but Green, as in reduced carbon footprint. No fossil fuels.
Their focus will be on electric, hydrogen and bio-fuels.
But I’ve probably muddled things up enough by now that you want to read the article yourself instead of relying on my inability to translate between colors and ecology.