This part was not made specifically for the Crossfire or any other MB car. MB purchased parts in large quantities and they insisted that it carry their part number, i this case it carries the Crossfire series part number as it starts A193 xxx xx xx. It would not have been made to special sizes and there will be identical parts made the maker of this part and competitors.
Does it have the makers name on the other side?
The PA8 8.6 GF30 is the glass filled plastic resin that the body is made from, this is a legal requirement for recycling purposes.
What is actually broken?