Ignitions and Electrical› Computers, Chips, Modules and Programmers

RENNtech

R1 Performance Package ECU Tuner

$3,990.00

SKU: PKG.220.S600.R1

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Advanced — 4+ hours

Overview

The RENNtech R1 Performance Package is a performance upgrade kit designed specifically for the W220 S 600 equipped with the 5.5L BiTurbo V12 engine. This package includes a proprietary ECU upgrade, a transmission control unit (TCU) upgrade, and a high-efficiency intercooler pump to improve overall output while maintaining daily reliability.
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The RENNtech R1 Performance Package serves as a comprehensive power enhancement solution for the W220 Mercedes-Benz S 600 featuring the M275 5.5L BiTurbo V12 engine. By integrating a proprietary ECU tune with a transmission control unit (TCU) upgrade and a high-efficiency intercooler pump, this kit optimizes engine management and thermal efficiency to provide significant gains in horsepower, torque, and throttle response across the entire powerband. The system components work in unison to manage the increased power output effectively, ensuring consistent performance for the V12 powerplant. Please note that this item is available for custom order only, and interested buyers should contact the manufacturer directly to initiate the order process.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRENNtech
Part NumberPKG.220.S600.R1
CategoryIgnitions and Electrical

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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