This installation instructions will show you how to install Mercedes A class W177 LED air vent with ambient light functions, upgrade the original air nozzles to 64 colors.
Product link: Mercedes A Class 2019 W177 Turbo Air Vent / Duct with 64 Colors Ambient Light
1, Use tools to pry out the original air vent
2, Remove the screws which fixing the original air vents, then use slot screw driver to pry out the buckle, take out the original white decoration ring, then install the white ring to the ambient light air vent.
3, Install the ambient light air vent to the center console frame.
4, Pry out original left and right 2 big vents, use slot screw driver to pry the buckle and take out the decoration parts
5, Install the decoration parts to the ambient light vents
6, Connect the wiring
7, Remove the threshold of passenger seat
8, Take out the floor mat of passenger seat, we will see the fuse box, remove the 2 screws on fuse box
9, Find the white socket of STERN position and pull out the white socket, connect the ambient light CAN-H cable to #18 PIN, and connect CAN-L to #8 PIN. BATT to fuse box and connec the GND cable.
10, Test if the lights is working well. If everything working well, restore the car.