RENNtech R1 Pkg | C218 | CLS63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-sl-class--230---2007-2011--sl-65-amg-esr6280537 Rated by RENNtech: 611 HP

Rated by RENNtech:              611 HP @ 6

CLASS E (W 210) 300 TD (HP: 177 | Year: 97 > 99)

they also act like a cheese grater on the brake pads which wear them at an accelerated rate and create grooves in the pads which in turn creates grooves in the rotors

RENNtech SLR package 1 contains our proprietary ECU Upgrade

RENNtech R1 Pkg | C218 | CLS63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-sl-class--230---2007-2011--sl-65-amg-esr6280537 Rated by RENNtech: 611 HPR1 includes: ECU Upgrade, Diverter Valve and Air Filters Gains: +146HP; +257LB 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 146 HP and 257 LB FT to the 5. 5L V8 BiTurbo engine (compared to RENNtech rated stock performance). The addition of the upgraded diverter valve