October 21, 2015

RENNtech CLA 45 AMG ECU Now Available

RENNtech is pleased to announce our proprietary ECU upgrade for the Mercedes M133 engine that offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. The end result is nothing short of spectacular with the RENNtech ECU upgrade making up to an incredible 428 HP and 417 TQ at the crank!

Our Piggyback is still available but now RENNtech is ready to tune your CLA 45. Tuning the ECU allows us to do a more complete modification of the vehicle’s performance including drivability adjustments, shift improvements, speed limits, torque control and response times.

This ECU Upgrade is also available for the 156 GLA and 176 - A Class.

CLA 45 AMG (C217 - M133 2.0L Engine) Stock Performance:

  • 355 hp @ 6,000 RPM; 332 lb-ft @ 2,250-5,000 RPM
  • Note: Mercedes M133 engine performance when measured obtains higher numbers that rated from factory.


CLA 45 AMG (C217 - M133 2.0L Engine) Modified Performance:

  • 428 hp @ 6,200 RPM; 417 lb-ft @ 4,300 RPM


For More Information Visit our PRODUCT PAGE