RaceChip Tuning For Mercedes S 550 & Maybach (W222, C217), GLS 550 (X166) b250 The JB4 features a simple

The JB4 features a simple plug and play installation harness for easy installation & removal and includes many features not found with any other tune

Heat Shield Protection: Includes a heat shield that effectively blocks hot engine air

Easily reduce your rotating mass for better efficiency

they integrate flawlessly with your current setup

The OEM airbox is designed to decrease the sound of the N54’s turbos

RaceChip Tuning For Mercedes S 550 & Maybach (W222, C217), GLS 550 (X166) b250 The JB4 features a simpleRaceChip offers advanced chip tuning for the Mercedes S 550 (W222, C217), S 550 Maybach (W222, C217), GLS 550 (X166) with the 4. 7L 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