Ignitions and Electrical› Computers, Chips, Modules and Programmers

RENNtech

ECU+ Upgrade M176 4.0L V8 BiTurbo

$2,480.00

SKU: 54.222.S560BT

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The RENNtech ECU+ Upgrade is a performance module for the W222 S560 4.0L V8 BiTurbo M176 engine, model years 2018-2020. This upgrade unleashes the true potential of your Mercedes by modifying ignition timing, throttle mapping, optimizing air-to-fuel ratios, and adjusting boost mapping for turbocharged vehicles. It provides significant gains in horsepower and torque across the entire power band.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRENNtech
Part Number54.222.S560BT
CategoryIgnitions and Electrical

Buy with Confidence

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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