Mercedes-Benz has added the first plug-in hybrid model to its lineup. The German automaker unveiled the S550 Plug-in Hybrid today as a more fuel-efficient option among its family of flagship sedans.
The Mercedes S-Class engine range kicks off with the 2.9-litre S350d diesel. Its 282bhp is enough for 0-62mph in 6.4sec, and when you put your foot down, it feels more than strong enough, even in a ...