RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP/417LB-FT | 2.0L Turbo | M133 mercedes-benz-cl-class--216---2007-2014--cl63-amg-biturbo-esr1325885 600 RPM Crank Performance Numbers

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

Huracan STO

RENNtech M277 Biturbo ECU Upgrades are TÜV approved

and 3D-print prototyping in order to fully develop the AMG GT Rear Wing assembly

RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP/417LB-FT | 2.0L Turbo | M133 mercedes-benz-cl-class--216---2007-2014--cl63-amg-biturbo-esr1325885 600 RPM Crank Performance NumbersRENNtech ECU Upgrade for the 176 A 45 AMG. Up to 428HP and 417TQ. Gains: +73HP & +85TQ RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few