RENNtech R3 Performance Package | GLS 63 (S) AMG | X167 | 875 HP / 873 TQ | 4.0L V8 BiTurbo | M177 | MY2021+ mercedes-benz-cl-class--216---2007-2014--cl-550-esr7736410 Stainless Steel Construction

Stainless Steel Construction

Gains: +20HP & 14LB-FT

Sportscars equipped with factory exhaust valves

Rated by Mercedes-Benz:      429 HP @ 5

Our RENNtech - Rtic Tumblers come with Laser Edged Rt Motorsports and RENNtech Logos

RENNtech R3 Performance Package | GLS 63 (S) AMG | X167 | 875 HP / 873 TQ | 4.0L V8 BiTurbo | M177 | MY2021+ mercedes-benz-cl-class--216---2007-2014--cl-550-esr7736410 Stainless Steel ConstructionR3 Performance Package for Mercedes AMG GLS 63: ECU Upgrade (HHT), Stage 1 Turbo Upgrade, TCU, CPC, Fuel Management System, BOV, EVM, BMC Air Filters The Mercedes AMG GLS 63 (X167) is powered by the latest V8 BiTurbo engine developed by AMG, the companys Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4. 0L V8 BiTurbo engine is an incredible platform to build performance upon.