RENNtech ECU+ Upgrade | W222 | S63 AMG S 4MATIC+ | 740 HP / 806 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2020 mercedes-benz-cl-class--215---2001-2006--cl-600-biturbo--2003-2006--esr3211224 RENNtech ECU Upgrade for the

RENNtech ECU Upgrade for the Mercedes-Maybach 222 - S 600 BiTurbo V12

Carrera 4S Cabriolet

For this reason we use only alloy mesh with epoxy coating to ensure protection from petrol fumes and from oxidization due to the humidity of the air

Available in gloss or matte finish

Up to 735HP and 836LB-FT

RENNtech ECU+ Upgrade | W222 | S63 AMG S 4MATIC+ | 740 HP / 806 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2020 mercedes-benz-cl-class--215---2001-2006--cl-600-biturbo--2003-2006--esr3211224 RENNtech ECU Upgrade for theECU+ Upgrade Up to 740 HP 806 LB FT Gains: +87 HP & +44 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. 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