The Mercedes Benz plastic knurled nut M6 is a genuine OEM part designed specifically for Mercedes R107, W115, W116, and W123 models. This high-quality nut, with the OE/OEM Part Number 1159900557, is manufactured by Mercedes Benz to ensure a perfect fit and reliable performance. Ideal for exterior parts and accessories, this nut provides a secure and durable mounting solution for your Mercedes vehicle.