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Mercedes-Benz Tuning

Prefered Tune Providers for Mercedes Benz

Weistecs tuning solutions cater to enthusiasts seeking optimal power and performance for their vehicles. Their extensive range includes a wide variety of Stage 1 and 2 available for nearly every vehicle model. In addition, they offer performance-enhancing parts like exhausts and intakes that have been meticulously tested and designed in conjunction with their tuning offerings.
Whether you are looking to increase the power output of your engine or add a touch of personalization, TuneZillas has got you covered! Our solutions are expertly tailored for enthusiasts like you who crave that extra boost in performance and customization options. And for all the Diesel vehicle owners out there, TuneZillas is especially ideal for bringing your ride to the next level.
With RS Tronic, you can take your vehicle's performance to the next level and experience a whole new level of power and precision. Our tuning catalog is designed to cater to a wide range of needs and preferences, ensuring that there is something for every driver out there.

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


Power gain Up To +136 HP
Torque gain Up To +145 TQ

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.

Tuning Service

Our team of experienced professionals at EuroSport Tuning is here to ensure your vehicle performs at its best. We take pride in providing tailored tuning solutions that are customized to meet your unique requirements. Sit back and unwind in our showroom while we enhance your vehicle with the perfect ECU and TCU tune. Your satisfaction and driving experience are our top priorities. Trust us to elevate your car to the next level of performance and efficiency.

At Home Tuning

Now, you can easily boost your vehicle's performance from the comfort of your own garage with our selection of at-home Flashing kits. Whether you're looking to enhance your car's power, optimize its engine, or simply unlock its full potential, our range of offerings from top brands such as APR, 034Motorsports, Integrated Engineering, and TuneZilla have got you covered. Discover the convenience of upgrading your vehicle right from home by checking out these user-friendly Flashing kits on our website today.
Contact Us today to learn more!
(905) 825-9334

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