Which, logically, would mean an EV.
Plus, Mercedes Execs keep mentioning a shift from diesels to EVs and Plug-in Hybrids.
Since many European countries are actually seriously thinking about regulating Diesel big time (France even mentioned a total ban in a few years)
And that was before the current VW scandal/mess. Which might accelerate things.
Not only does it have tailpipes, but the bumper trim is slightly different. As well as the tail lights (?!)