R1 Performance Package | C209 | CLK 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 mercedes-benz-sl-class--231---2012-2016--sl-65-amg-biturbo-esr8588212 15 sec 127 mph X290

15 sec 127 mph X290 - AMG GT63 R1 & R2 Package w/Launch Control 2

CLASS R (W 251) 500 4-matic [2 Filters Required] (HP: 306 | Year: 05 > 07)

Rated by RENNtech (peak @crank):              584 HP @ 4

These systems

+10 TQ & -27

R1 Performance Package | C209 | CLK 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 mercedes-benz-sl-class--231---2012-2016--sl-65-amg-biturbo-esr8588212 15 sec 127 mph X290R1 Performance Package for 209 CLK 500. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 325HP and 365 LB FT. The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that provides noticeable increases horsepower, torque and throttle