R2 Performance Package for CLS 63 (C219- 571 HP / 523 LB-FT) mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 ECU Upgrade | 480HP/ 605LB-FT

ECU Upgrade | 480HP/ 605LB-FT | Gains: +45HP / +162LB-FT

6 Series (E63) M6 V10 [Full kit] (HP: 507 | Year: 05 >)

Rated by RENNtech:               435 HP @ 5

This allows the M278 engine to run the quarter mile in an impressive time and dramatically improves 0-60 mph times

CLASS S LONG (V 220) 430 V8 [7 gear] [2 Filters Required] (HP: 279 | Year: 03 > 05)

R2 Performance Package for CLS 63 (C219- 571 HP / 523 LB-FT) mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 ECU Upgrade | 480HP/ 605LB-FTR2 Performance Package for 219 CLS 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and Stainless Steel HEaders. Up to 571HP and 523LB FT. Gains: +64HP & +58LB FT RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless steel headers for a gain of +64 HP and +58 LB FT over stock. Performance Package 2 Includes: RENNtech ECU