RENNtech ECU Upgrade for CL 65 (C216- 670 HP / 840 LB-FT) mercedes-benz-g-class--463---1990-2018--g-55-amg-esr3006970 and long-term testing the RPM

and long-term testing the RPM ECU upgrade offers the best in quality

GL63 AMG (X166 | SUV | MY2013-15 | 4MATIC | M157 | 5

upgraded pulley and dual intercooler pump kit

With the proprietary RENNtech ECU Tuning the C167 - GLE 63 AMG Coupe EQ Boost gains up to +97 HP and +54 LB-FT

the entire power and torque curve is shifted upward delivering +25 HP +59 LB-FT in the Porsche Cayenne TurboS 4

RENNtech ECU Upgrade for CL 65 (C216- 670 HP / 840 LB-FT) mercedes-benz-g-class--463---1990-2018--g-55-amg-esr3006970 and long-term testing the 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