RENNtech M276 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M276 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 362 HP and 384 lb/ft torque, up to an astonishing 402 HP and 454 lb/ft at the crank!
C 450 AMG BiTurbo (W205 - M276 Biturbo 4-MATIC Engine) Stock Performance:
C 450 AMG BiTurbo (W205 - M276 Biturbo 4-MATIC Engine) Modified Performance: