The part number “1664230700” you provided appears to be a genuine Mercedes-Benz part number for a brake disc. Specifically, it seems to be associated with the rear left or right brake disc for a Mercedes-Benz vehicle. Mercedes-Benz uses a systematic approach to assign part numbers, and the number you provided likely corresponds to a specific model and year.

To ensure that you get the correct part for your vehicle, it’s important to verify the compatibility of the part number with your car’s make, model, and year. Additionally, you may want to check with a Mercedes-Benz dealership or an authorized parts distributor to confirm the exact application of the part.

Keep in mind that part numbers can vary based on the specific configuration of your vehicle, so it’s essential to double-check and confirm the compatibility before making a purchase. If you have access to the VIN (Vehicle Identification Number) of your Mercedes-Benz, that can be especially helpful for obtaining accurate and specific information about the parts that are suitable for your vehicle.