Renntech boosts the Merc-AMG E63 S to 809bhp

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Written by Vijay Pattni
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German tuner Renntech has devised a faster, more powerful iteration of the already-hugely-fast, already-hugely-powerful Mercedes-AMG E63 and E63 S. It is called the R800. We haven"t got time to go into the why", but instead shall focus on the what". A software tweak to the 4.0-litre turbo V8 and gearbox liberates up to 789bhp and torque limited limited to 774lb ft. Seven hundred and eighty-nine horsepower. Note that a regular, showroom-fresh E63 S churns out 604bhp, while a standard" E63 produces 567bhp. Both of those latter factory figures are indeed plenty of horsepower for your average, super-saloon buying human.

Date written: 14 Jun 2018

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