Regardless of your taste in vanity plates, MB has some nice accessory license plate frames. A subtle dress up for the car, both front and rear and eliminates the rolling advertisement from the typical dealer name plates. Prices range from approx. $25 - $50 USD. Click on link below:
As is NO-TAGS evidently. Maybe the guy should have switched to NO-PL8S (although that configuration would be allowed in CT. Maybe the same is true of DC.)