How do you install a rear seat belt on a Mercedes estate c 180?

To install a rear seat belt on a Mercedes C180 estate, first, ensure you have the correct replacement seat belt for your model. Remove the rear seat cushion and side panels to access the mounting points. Secure the new seat belt by attaching it to the designated anchor points, ensuring they are tightened properly. Finally, reassemble the seat and side panels, and test the seat belt for proper functionality.