RENNtech ECU Upgrade for CL 65 (C216- 670 HP / 840 LB-FT) mercedes-benz-amg-gt--190---2018-present--gt-c--2018-present--esr7708118 300 HP @ 5800 RPM

300 HP @ 5800 RPM / 300 TQ @ 1400 RPM

Dyno measured by RENNtech (peak):                       700 HP @ 6

Rear Diffuser

The RENNtech AMG GT63 Side Skirts feature unique design elements with strategically formed surfacing and a shaped to improve airflow while enhancing the AMG GT63's dynamic aesthetics

Our performance drive line upgrade kit includes beefy performance axles as well as larger

RENNtech ECU Upgrade for CL 65 (C216- 670 HP / 840 LB-FT) mercedes-benz-amg-gt--190---2018-present--gt-c--2018-present--esr7708118 300 HP @ 5800 RPMRENNtech ECU Upgrade for 216 CL 65 AMG. Up to 670HP and 840 LB FT. Gains: +49HP & +102 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