M.B. W140 S/SEL 600 | M120 V12 Airbox Inlets mercedes-benz-s-class--222---2018-2020--s-550-esr4551590 The maximum power number reached

The maximum power number reached with the RENNtech ECU Upgrade for the C253 - GLC 43 AMG Coupe is 400 HP and 440 LB-FT

No re-programming of ECU needed

RENNtech PSM | Pre-Safe Module and Data Logger

TCU Upgrade and Hig Efficiency Intercooler Pump

M.B. W140 S/SEL 600 | M120 V12 Airbox Inlets mercedes-benz-s-class--222---2018-2020--s-550-esr4551590 The maximum power number reachedRENNtech Air Intakes The air intake system is a critical component in optimizing engine efficiency and performance. By supplying the engine with clean, cool air, it ensures optimal combustion, leading to improved throttle response and power output. Upgrading to high performance air intakes, such as RENNtech's offerings, can significantly enhance airflow, reduce intake temperatures, and contribute to a more responsive driving experience. Designed for