WE’VE ALREADY DRIVEN the latest Mercedes-Benz C-Class in plug-in hybrid form. It’s a great choice, particularly when it comes to satisfying the tax-busting needs of company car drivers. However, while that group accounts for the vast majority of C-Class saloons on UK roads, the C-Class Estate has always been anything but the exclusive preserve of the corporate car park. And we reckon there’s still a place for diesels like the C220d Estate among private buyers.