RENNtech ECU Upgrade CLA45

Our proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.

Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb/ft torque, up to an astonishing 428 HP and 417 lb/ft at the crank!

CLA 45 AMG (C117 - M133 2.0L Engine) Stock Performance:

• 375 hp @ 6,000 RPM; 350 lb-ft @ 2,250-5,000 RPM

• Note: Mercedes M133 engine performance when measured obtains higher numbers that rated from factory.

CLA 45 AMG (C117 - M133 2.0L Engine) Modified Performance:

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