RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018 mercedes-benz-cl-class--215---2001-2006--cl-600--2000-2002--esr9028642 This ensures our customers receive

This ensures our customers receive components which not only look good on the vehicle standing still

The HSM comes pre-loaded with a RENNtech lowering setting

Improved vehicle handling and performance

The RENNtech Rear Diffuser is 100% pre-preg carbon fiber and developed to complement the full RENNtech AMG GT63 aerodynamic program

RENNtech Bluetooth HSM | Digital Suspension Lowering Module for vehicles equipped with Airmatic / Magic Body Control Suspension

RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018 mercedes-benz-cl-class--215---2001-2006--cl-600--2000-2002--esr9028642 This ensures our customers receiveECU+ Upgrade Up to 392 HP 463 LB FT Gains: +53 HP & +78 LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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.