Specific wiring harness for switching from tailgate to electric tailgate Code 890 for Mercedes Benz B-Class 247 Series Opening the tailgate using the original remote control Scope of delivery: Wiring Note: You have to change the buffer as well as the additional components (drive, push button ...) After installation, coding is necessary. To do this, the code 890 must be added to the VeDoc and then the SCN coding must be carried out