RENNtech ECU+ Upgrade | S213 | E450 BiTurbo Wagon | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 downpipe AMG GLS 63 (MY 2021)
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Live Spec
RENNtech ECU+ Upgrade | S213 | E450 BiTurbo Wagon | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 downpipe AMG GLS 63 (MY 2021)ECU+ Upgrade Up to 392 HP 463 LB FT Gains: +53 HP & +78 LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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
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