RENNtech M133 ECU Upgrades are TÜV approved!
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.
Performance Numbers Overview
CLA 45 AMG (MY2013+ | C117 | M133 | 2.0L Inline-4 Turbo) Stock Performance (at crank):
CLA 45 AMG (MY2013+ | C117 | M133 | 2.0L Inline-4 Turbo) Modified Performance (at crank):