RENNtech ECU Upgrade | CLA 45 AMG | C117 | 428HP/417LB-FT | 2.0L Turbo | M133 audi-s4--b9---2017-2024--3-0l-turbocharged-v6-tfsi-esr1699755 Continental GT Supersport (MY2012-18)

Continental GT Supersport (MY2012-18)

Rated by Mercedes-Benz:        617 HP @ 6

Gains: +99HP & +60TQ

the GL 550 gains up to 92 HP and 167 LB-FT

The maximum power number reached with the RENNtech ECU Plus Upgrade for the R199 - SLR McLaren is up to 675 HP and 646 LB-FT

RENNtech ECU Upgrade | CLA 45 AMG | C117 | 428HP/417LB-FT | 2.0L Turbo | M133 audi-s4--b9---2017-2024--3-0l-turbocharged-v6-tfsi-esr1699755 Continental GT Supersport (MY2012-18)RENNtech ECU Upgrade for the 117 CLA 45 AMG. Up to 428HP and 417TQ. Gains: +53HP & +67TQ 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