R1 Performance Package | C219 | CLS 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 mercedes-benz-sl-class--230---2003-2006--sl-600-esr2548062 Rated by RENNtech: 540 HP

Rated by RENNtech:                540 HP @ 5

Our intermediate ECU tune increases performance from 402 HP and 443 lb/ft torque up to 500 HP and 625 lb/ft at the crank

C217 - S63 AMG Coupe | MY2018+

RENNtech Stainless Steel Downpipes with 200 Cell Sport Catalytic Converters for CLS53 AMG and CLS 450 | M256 - 3

0" Weight:   Construction: 1-piece Forged Tire Size: 275/35-19

R1 Performance Package | C219 | CLS 500 | 325 HP / 365 LB-FT | 5.0L NA V8 | M113 mercedes-benz-sl-class--230---2003-2006--sl-600-esr2548062 Rated by RENNtech: 540 HPR1 Performance Package for 219 CLS 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