Originally Posted by onehundred80

Look for the makers name and part number, these were not made for the car or any other car. The cheapest way for the car maker is to buy an off the shelf item.
Look for that makers part or a similar part made by someone else, they generally follow the same size and specifications from maker to maker, only a few are are one off designs and these are too expensive when you can buy one off the shelf. It may or may not have the Chrysler or MB part number on it, ignore that if you can.