RENNtech ECU Upgrade CL 600 (C216- 625 HP / 745 LB-FT) mercedes-benz-g-class--463---2019-present--g-550-biturbo-esr2162564 Prepreg is widely regarded as

Prepreg is widely regarded as the finest process in carbon fiber manufacturing and has been used in aerospace and military applications for its superior consistency in weight

RENNtech | X290 | AMG GT63 | Rear Diffuser | Carbon Fiber | Gloss Finish

Rated by RENNtech:              767 HP @ 6

X166 - GLS SUV GLS450

CLASS M (W 166) 63 AMG / Performance [2 Filters Required] (HP: 558 | Year: 11 > )

RENNtech ECU Upgrade CL 600 (C216- 625 HP / 745 LB-FT) mercedes-benz-g-class--463---2019-present--g-550-biturbo-esr2162564 Prepreg is widely regarded asRENNtech ECU Upgrade for 216 CL 600. Up to 625 HP and 745 LB FT. Gains: +115 HP & +133 LB FT. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning