R1 Performance Package | C219 | CLS 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-e-class-coupe--207---2014-2016--e-550-biturbo-esr5698229 The dual-mode exhaust flap system

The dual-mode exhaust flap system creates a deeper but civilized sound at low revs and a sportier exhaust note at higher revs

507 HP @ 6800 RPM

Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC+ vehicles

1 Series (F20) 120 D (HP: 184 | Year: 11 >)

W205 - C-Class Sedan C350e Plug-In Hybrid

R1 Performance Package | C219 | CLS 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-e-class-coupe--207---2014-2016--e-550-biturbo-esr5698229 The dual-mode exhaust flap systemR1 Performance Package for 219 CLS 55 AMG Kompressor. Includes ECU Upgrade Crankshaft Pulley and Upgraded Intercooler Pump. Up to 538HP and 566LB FT. Gains: +69HP & +50LB FT Performance package R1 includes our proprietary HHT Hand Held Tuner ECU Upgrade and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: