RENNtech ECU+ Upgrade | C238 | E400 4MATIC | 392 HP/432 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018 mercedes-benz-a-class--177---2019-present--a-250-esr9457536 development and long-term testing ensure
RENNtech ECU+ Upgrade | C238 | E400 4MATIC | 392 HP/432 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018 mercedes-benz-a-class--177---2019-present--a-250-esr9457536 development and long-term testing ensureECU+ 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.
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4