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M156 ECU Tune
Purchase M156 ECU Tune
  • SKU: m156_ECU_Tune

    M156 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

  • $899.99

  • CARB EO: D-691-3
  • Prop 65 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

Weistec Horsepower 520
Weistec Torque 464
CARB Exempt ID D-691-3
Manufacturer Weistec
Street legal in all the US States Yes
Engine Family M156
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year make model trim engine
2011 Mercedes-Benz SL63 AMG Base (R230) NA 6.2L V8 (M156)
2010 Mercedes-Benz SL63 AMG Base (R230) NA 6.2L V8 (M156)
2009 Mercedes-Benz SL63 AMG Base (R230) NA 6.2L V8 (M156)
2008 Mercedes-Benz SL63 AMG Base (R230) NA 6.2L V8 (M156)
2007 Mercedes-Benz R63 AMG Base (W251) NA 6.2L V8 (M156)
2011 Mercedes-Benz ML63 AMG Base (W164) NA 6.2L V8 (M156)
See more

As a leader in tuning and calibration, Weistec Engineering is proud to offer tuning packages for the naturally aspirated M156/M159 vehicle lineup.

We have created a strong yet reliable tuning solution that utilizes the same calibration technology that has been applied to our Supercharger System. With a keen understanding for optimal running conditions for the M156, we have revised many features of the ECU which creates a signifigant in crease in horsepower to the wheels on 91 octane and is street legal.

CARB EO# D-691-3

The Weistec Upgrade Promise

Customers who purchase our ECU Upgrades will receive credit towards the purchase of any Weistec M156 Supercharger System, if you are thinking of supercharging your car in the future and are not ready for the purchase, this is a good way to not spend money twice, while making more power right away.

*Power gains vary based on model and modifications.

ECU Tuning Process: How do I get my ECU tuned?

Key Features:

  • Increased Horsepower

  • Increased Torque

  • Eliminate Top Speed Limiter

  • Increased Throttle Response

  • Optimized Fuel and Spark

  • Credit towards M156 Supercharger Systems