Mercedes-Benz Tuning
Prefered Tune Providers for Mercedes Benz

Model Specific Information:
Weistec M276 ECU Tune W.1
The Weistec M276 ECU upgrade for the 2015+ Twin Turbo or "BiTurbo" 3.0 Liter V6 engines provides substatial gains across the entire powerband. From 2200 rpm to almost 4500 rpm, torque measured at the wheels is well over 400lb-ft on our in house linked 4WD Dynojet Dyno making the vehicle a blast to drive around in any situation
Factory Power 320whp and 350wtq
Weistec ECU Tune Power 370whp and 440wtq on 91 octane*
Improved Throttle Response
Optimized Fuel, Spark, and Boost
Some models have speed limiter in CPC module requiring CPC upgrade to remove speed limiter.

Weistec M177 ECU Tune
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
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 gains vary based on model, modifications, fuel, and running conditions.
**Some models/years have the speed limiter located in the CPC Module
Weistec M178 ECU Tune
The hand built M178 V8 Biturbo engine from AMG is a powerful motor from the factory proving it is very capable on and off the track, but even a perfect machine can benefit from finer tuning. Using the latest calibration technology and countless hours of testing, Weistec was able to achieve massive gains in both horsepower and torque through out the powerband. The Weistec M178 ECU Upgrade provides 118 wheel horse power and 134 wheel torque at lower RPMs along with substantial gains in the mid and high range, making the power delivery far superior from the factory calibration.
+118 Wheel Horsepower Peak Gains*
+134 Wheel Torque Peak Gains*
Eliminated Top Speed Limiter
Improved Throttle Response
Optomized Fuel, Spark, and Boost
*Power gains vary based on model, modifications, fuel, and running conditions.