Description

Weistec M177 ECU Upgrade

The M177 engine is a potent powerplant. Through rigorous testing, on both the street and dyno, the Weistec M177 ECU Upgrade reliably extracts massive gains! Huge improvement in the midrange of the powerband, as well as substantial gains in the top end, making it an incredible upgrade in all driving situations.

Key Features:
– Eliminated Top Speed Limiter
– Improved Throttle Response
– Optimized Fuel, Spark, and Boost
– +68 Wheel Horsepower and +80 Wheel Torque Peak Gains with Air Filters
– +97 Wheel Horsepower and +114 Wheel Torque Peak Gains with Air Filters and Downpipes

Stock vs Westec ECU and Filters

Weistec M177 ECU Power
What does all this mean to you? More power, sharper throttle response, and a complete focus on the driver makes this the perfect addition to your AMG for a much more enjoyable experience for you.

*Power gains vary based on model and modifications.

Watch a Customers First Test Drive Reaction

Notes: This part may be considered a Special Order if custom-made, low volume, or not something we generally stock. There may be a cost for Air Freight, Customs, Taxes, and Duties. Your card will not be charged during Checkout; only an Authorization will be obtained. If necessary, we will contact you with details before processing the order.  Please review our Terms & Conditions before ordering.