The JB4 is simply the most powerful and feature rich tuning system available for your AMG. Using the same technology as our advanced tuning systems for the BMW M3 and M5 models, our new AMG C63 system delivers factory smooth performance increases in a package that can be installed or removed in under an hour. The JB4 includes many features not found on other competitive AMG tuning products including: Fuel control to ensure safe operation at higher power levels. CANbus allowing the JB4 to monitor and integrated advanced engine data for unparalleled perforation and safety. Performance maps for pump fuels, E85 mixtures, race fuels, WMI, and even a lower than stock performance VALET map, all selectable on the fly via the optional JB4 mobile phone app. With JB4 Mobile you can also datalog to your phone, enter setting or custom map changes, update firmware to unlock new features and maps as we add them, read or delete fault codes, measure your 0-60 time, and much more.

Features:

• ower gains of up to 100hp and 100tq to the wheels on a stock vehicle
• Quick Plug & Play Installation
• Now includes billet enclosure and fuel control wires preinstalled!
• CANbus integration offering unrivaled tuning features and performance
• Runs as smoothly as stock, this is how your Benz should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• Not VIN locked, can be removed without a trace and resold down the road
• Made in the USA
• Free USA Shipping
• 5 year warranty

Vehicle Fitment (M178)
C-Class

• 2015+ Mercedes-Benz C63 & C63S AMG

E-Class

• 2017+ Mercedes-Benz E63 & E63S AMG

GT

• 2015+ Mercedes-Benz AMG GT, AMG GT S, & AMG GT R

GLC

• 2015+ Mercedes-Benz GLC 63 & 63S AMG

AMG GT

• 2018+ Mercedes-Benz AMG GT 63 & 63S

Notes:

• Pictures used for marketing purposes only, actual product may vary.