Mercedes-Benz Stage1 to JB4 Upgrade Kit

Mercedes-Benz Stage1 to JB4 Upgrade Kit

  • $ 100.00
Shipping calculated at checkout.

SKU: MBZ JB4 Upgrade

Upgrades your Stage1 to a JB4 including a new CANbus based control board and OBDII add on cable. Allows full data logging, more map options, smoother and stronger tuning performance, boost by gear for improved traction, and many more features to come.