RaceChip Tuning For Mercedes Benz GLS 450 (X166), S 450 (W222, C217) s90 and Better Sound

and Better Sound

Highest Quality and Flashing Speed: Our MHD UNI WIFI adapter is fully designed in-house by our engineers

gear ratios

Designed for enthusiasts who demand performance and style

Optional Adapters:  (NOT necessary if running our latest fuel lines with the included 1/8" NPT port built into the line)

RaceChip Tuning For Mercedes Benz GLS 450 (X166), S 450 (W222, C217) s90 and Better SoundRaceChip offers advanced chip tuning for the Mercedes Benz GLS 450 (X166), S450 (W222, C217) with the 3. 0L Engine, enhancing horsepower, torque, and fuel efficiency. These plug and play tuning modules are easy to install and optimize key engine parameters such as fuel injection, turbo boost, and air fuel ratios. The result is a significant performance boost while ensuring engine reliability and safety. Power Gain With GTS Black (+67hp +91tq) Power