RennTech Performance Ecu Upgrade For Mercedes Benz CLA45 AMG 2014 2019

The RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.

The RennTech Ecu upgrade for the Mercedes M133 2.0L turbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Their 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. RennTech tuning module for the CLA 45 AMG is plug & play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.