RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018

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RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018ECU+ 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.

To explain this process in short

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516 LB-FT @ 2

RENNtech ECU HHT (HandHeldTuner) for the 204 - C 63 AMG

Turbo Sport Turismo

our turbo upgrade kit includes the RENNtech ECU Upgrade and high-performance air filter

Designed for enthusiasts who value authenticity

402 HP @ 6000 RPM

We typically see slightly higher baseline numbers than claimed by the factory

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C207 - E 550 Coupé FaceLift 2014+ – M278 | 4

The carbon fiber extractor inserts attach with double-sided tape making installation a breeze

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Shipping Notes

Free Standard Shipping on $100+ Orders to the USA.
Except Preorder products are shipped in 48 hours.
Delivery to the USA:

Standard Shipping : 3-10 business days

If time is of the essence, please consider selecting expedited delivery for faster service.

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