ECU+ Upgrade Module for Mercedes-Benz C63 AMG W205 4.0L

The RENNtech ECU+ Upgrade is a performance tuning module designed for the Mercedes-Benz C63 AMG Sedan W205, specifically for models equipped with the 4.0L BiTurbo V8 M177 engine manufactured between 2015 and 2021. This system modifies key engine parameters, including ignition timing, throttle mapping, air-to-fuel ratios, the engine's rev limiter, and boost mapping for turbocharged engines. These adjustments are meticulously calibrated to unlock the true performance potential of the vehicle, delivering substantial increases in horsepower and torque across the entire power band. RENNtech's proprietary tuning software is renowned for its ability to achieve remarkable performance gains while maintaining daily driver reliability. The ECU+ Upgrade offers an increase of up to +56 HP and +107 LB-FT, bringing the total output to an impressive 601 HP and 657 LB-FT, as measured by RENNtech. It is important to note that RENNtech's measurements often show higher baseline numbers than those originally claimed by the manufacturer. For user convenience and flexibility, the upgrade includes the RENNtech HHT (handheld tuner). This device allows for unlimited switching between the tuned file and the vehicle's stock ECU programming. The module connects directly to the OBD2 port for a quick and straightforward programming process, taking only a few minutes. The vehicle can be re-flashed at any time, as many times as desired. This RENNtech ECU+ Upgrade is certified to meet CARB standards and is street legal in all 50 states, adhering to EPA Emissions Standards and not diminishing the effectiveness of the vehicle's original pollution control systems. A CARB Executive Order has been granted based on comprehensive emission testing and engineering evaluation. Users must use 93+ Octane gasoline, and performance may vary depending on conditions and fuel quality.