R1 Performance Package | C215 | CL 500 | 325 HP / 365 LB-FT | 5.0L V8 NA | M113 mercedes-benz-g-class--463---2019-present--g63-amg-esr5086164 and Cayenne GTS

and Cayenne GTS

With the proprietary RENNtech ECU Tuning the X253 - GLC63 AMG 4MATIC+ gains up to +75 HP and +113LB-FT

Gains: +20HP & 15TQ

For ultimate tuning potential

R1 Performance Package | C215 | CL 500 | 325 HP / 365 LB-FT | 5.0L V8 NA | M113 mercedes-benz-g-class--463---2019-present--g63-amg-esr5086164 and Cayenne GTSR1 Performance Package for 215 CL 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