Mercedes-Benz has looked to simplify its line-up, replacing both the C-Class and E-Class coupes with a single two-door model – the all-new CLE Coupe. The CLE Coupe is based on the C-Class sedan but gets a bigger body to try and appeal to the two different buyers. We test the new model to see how it performs and find out if it will convince coupe customers that less is more.