Mercedes has revealed its first ever performance hybrid by AMG in Geneva. The four-door GT Concept is powered by a V8 petrol engine coupled with an electric motor for a total power output of 600 kW - which translates in to 805bhp - helping the GT accelerate from rest to 62mph in under 3 seconds. The concept has 4MATIC+ all-wheel drive as well as an F1 derived hybrid powerpack, ensuring that maximum electrical power is always on tap.