JB4 Performance Tuner Summary

The JB4 Performance Tuner is a powerful and feature-rich tuning system designed for Mercedes-Benz AMG models, including C63, E63, GT, and GLC, including S models. The tuner offers power gains of up to +100whp and +100wtq. It features fuel control for safe operation at higher power levels, CANbus integration for monitoring and advanced engine data, and multiple performance maps for various fuel types. The tuner also includes user-adjustable boost by gear for improved traction off the line.

Features & Benefits:

• Offers up to 100hp and 100tq gains to the wheels on a stock vehicle
• Preloaded with custom tuning software and multiple maps for different fuel and modification levels
• Ethanol (E85) compatible tuning maps available
• Allows reading/deleting fault codes and real-time monitoring of engine parameters
• Boost by gear control for perfect launches
• Compatible with JB4 Mobile app for logging, tuning changes, and adjustments
• Quick Plug & Play installation, offers CANbus OBDII integration
• Maintains smooth stock-like operation, compatible with all driving modes
• Requires 91 octane fuel or better for performance gains
• Not VIN locked, can be removed without a trace

Vehicle Fitment:

• C-Class: 2015-Present C63 & C63S AMG
• E-Class: 2017-Present E63 & E63S AMG
• GT: 2015-Present AMG GT and AMG GT S
• GLC: 2015-Present GLC 63 & 63S AMG
• AMG GT: 2018-Present AMG GT 63 & 63S

What is a JB4?
The JB4 is a plug & play tune for turbocharged vehicles that enhances performance by manipulating vehicle sensors and the DME/ECU. It offers advanced features such as CANbus integration, fuel & spark control, Bluetooth connectivity, and regular free updates for improved performance.

Overall, the JB4 Performance Tuner is a versatile and high-performance tuning solution that enhances the driving experience of Mercedes-Benz AMG vehicles.