RENNtech ECU+ Upgrade | C238 | E450 BiTurbo | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 mercedes-benz-sl-class--232---2022-present--sl-43-amg-biturbo-esr7590087 Lower or Raise your car

Lower or Raise your car to your prefered ride height

This two-piece Front Canards are 100% pre-preg carbon fiber and developed to complement the full RENNtech AMG GT63 aerodynamic program

F-Type P450 V8

521 LB-FT @ 3

is manufactured using the same high quality prepreg carbon fiber and is a quick and easy install that requires no modifications to the CLS’s rear bumper

RENNtech ECU+ Upgrade | C238 | E450 BiTurbo | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 mercedes-benz-sl-class--232---2022-present--sl-43-amg-biturbo-esr7590087 Lower or Raise your carECU+ 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.