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- ECU UPGRADES, Engine, Engine Upgrades, G 550 (2019-present), G 550 BiTurbo (2015-present), MY ( 99'-2018 ) W463, RENNtech, W463, W463A
RENNtech | ECU+ Upgrade | G550 | W463 & W463A | 530 HP / 558 LB-FT | 4.0L BiTurbo V8 | M176
$2,840(0)In stockAdd to cart- 2 years warranty
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![ETG ECU Upgrade for Mercedes G-class G550 V8 Bi-turbo [MY 19-on]](https://i0.wp.com/www.gwagenparts.com/wp-content/uploads/2016/09/west_coast_ecu_tuning_box_red.jpg?fit=450%2C359&ssl=1)
