RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-14 mercedes-benz-g-class--463---1990-2018--g-55-amg-esr3006970 AMG E63 (MY 2017-21) |

AMG E63  (MY 2017-21)  | W213 | M177 | 4

CLK COUPE' (C208) 200 Kompressor (ONLY ITALY) (HP: 192 | Year: 97 > 00)

This is more than just an OEM turbocharger with machined internals

Larger impeller (inlet) and turbine (exhaust) cartridge

CLASS S LONG (V 220) 500 V8 [7 gear] [2 Filters Required] (HP: 306 | Year: 03 > 05)

RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-14 mercedes-benz-g-class--463---1990-2018--g-55-amg-esr3006970 AMG E63 (MY 2017-21) |Intermediate ECU Upgrade Up to 638HP 695TQ Gains: +75HP +101TQ 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 minutes and the vehicle