Mercedes-Benz will add the E350e plug-in hybrid to its E-Class range. Its four-cylinder engine and electric motor will offer a total output of 286 horsepower and 406 pound-feet of torque.

A plug-in E-Class is likely to find favour with company car drivers rather than private buyers, purely due to the tax savings on offer. The E 350 e is a convincing effort nonetheless, with decent ...