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Mercedes-Benz

M274 ECU Tune
Purchase M274 ECU Tune
  • SKU: M274-ECU-Tune

    M274 ECU Tune

  • Gains are at the engine or "crank". Actual gains are dependent on the model, model year, fuel octane, engine health, and environmental conditions. Learn More

  • $599.99

  • Prop 65 warning
    Warning

    This product can expose you to chemicals including carbon black, silica - crystalline, formaldehyde, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Weistec Horsepower 262
Weistec Torque 295
Manufacturer Weistec
Street legal in all the US States No
Engine Family M274
Stock Horsepower 255
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year make model trim engine
2020 Mercedes-Benz E300 Base (W213) Turbocharged 2L I4 (M274)
2019 Mercedes-Benz E300 Base (W213) Turbocharged 2L I4 (M274)
2018 Mercedes-Benz E300 Base (W213) Turbocharged 2L I4 (M274)
2017 Mercedes-Benz E300 Base (W213) Turbocharged 2L I4 (M274)
2020 Mercedes-Benz GLC300 Base (X253) Turbocharged 2L I4 (M274)
2019 Mercedes-Benz GLC300 Base (X253) Turbocharged 2L I4 (M274)
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[ POWER FIGURES REFLECT ECU TUNE PLUS DOWNPIPE ]

The Weistec M274 ECU upgrade for the 2015+ C300 provides gains across the entire powerband resulting a vehicle that is more fun to drive in all driving situations.  The M274 ECU upgrade can be paired with our M274 Downpipes for further improved response and engine feedback.  

 

*Power gains vary based on model and modifications.

*Product may not be emissions compliant.  Check local laws prior to installation. 

 

KEY FEATURES:

- Increased HP and Torque

- Improved Throttle Response

- Optimized Fuel and Spark