Weistec M177 ECU Tune

All 2020 models require bench flashing at this time.

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 in the mid range of the powerband as well as substantial gains in the top end making it a top performer in all driving situations

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. 

Key Features:

• Eliminated Top Speed Limiter

• Improved Throttle Response

• Optimized Fuel, Spark, and Boost

• Substanital Horsepower and Torque gains with just Air Filters

• Even larger gains with Air Filters and Downpipes  

• POWER GAIN*  + 136 HP

• TORQUE GAIN* +145 TQ
  

W2 Power Gains 

• POWER GAIN*  +198 HP

• TORQUE GAIN* +163 TQ