When you are interested in seeing some of the world’s most impressive and fast road cars on a track, a visit to the Nurburgring Nordschleife in Germany, also known as ‘the Green Hell’ might be a great idea, this track is famous for being used as a testing ground by just about every car manufacturer, so the chance of seeing an upcoming car doing laps around this track is substantial, having the record for the fastest lap on the Nurburgring is also something many car builders like to brag about.

In 2020, Mercedes claimed a new Nurburgring lap record in the luxury four-door class, putting down a time of 7 minutes 23.009 seconds in a Mercedes-AMG GT 63 S, the current top of the line model in the GT series, with 630 hp, but the car they are now testing on this German track will put the 63 S to shame … the upcoming Mercedes-AMG GT 73e will use the twin-turbo 4.0-liter V8 engine, but add hybrid power into the mix, for a total power output of 804 hp (600 kilowatts) and a massive 1,001 Nm of torque.

Despite the additional weight of the electric motors and the batteries required for this hybrid setup, it is very likely the Mercedes-AMG GT 73e will set a new ‘Ring record’, perhaps that is what they were trying to achieve during these final testing when CarSpyMedia captured a mildly camouflaged prototype taking a stint on the Nurburgring … check out their video below:

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Mercedes has been developing this ultra-high-performance variant of their AMG GT for a long time now, and we all expected the car would have been introduced already by now, but there isn’t an official statement yet, although the car was seen at the unveiling of the AMG Project One and the introduction of the 2021 edition Formula One car, we still don’t have any release date, nor pricing on what promises to be the fastest luxury four-door car Mercedes ever made.