Coding dongle activation for heater code HZ9 to H12 for Mercedes Benz Sprinter 907/910

The coding dongle converts an existing preheater with code HZ9 to a heater function with code H12 via OBD coding. Activation takes place in seconds via the vehicle's own OBD interface. Function: The heater menu in the instrument cluster is activated. The manual heater start button is activated. Optionally, the original remote control can be installed and paired. Advantages: Quick conversion without workshop software. Clean integration into standard controls. Expandable with the original remote control. Application: Insert the adapter into the OBD interface, turn on the ignition as instructed – that's it. Package includes: 1x coding key. Note: Only suitable for vehicles with preheating code HZ9 (identifiable by the heater button on the climate control panel). Control via the Mercedes ME app is not possible.