RENNtech R1 Pkg | W166 | ML63 AMG | SUV | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-e-class-sedan--211---2003-2009--e-500-esr5460470 CLASS S (W 220) 55

CLASS S (W 220) 55 AMG V8 [2 Filters Required] (HP: 360 | Year: 99 > 02)

RENNtech ECU Upgrade for 219 - CLS 550

By optimizing the path and increasing the volume of incoming airflow

an insert and the shield

Sport Mufflers | Gains: +153HP

RENNtech R1 Pkg | W166 | ML63 AMG | SUV | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-e-class-sedan--211---2003-2009--e-500-esr5460470 CLASS S (W 220) 55R1 includes: ECU Upgrade, Diverter Valve and Air Filters Gains: +122HP; +178 LB FT The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade and the latest, 3rd generation Diverter Valve RENNtech is able to add up to 122 HP and 178 LB FT to the 5. 5L V8 BiTurbo engine (compared to RENNtech rated stock performance). The addition of the upgraded diverter valve