Attention: DO NOT BUY if you are not taking to a shop for installation! (Modification required) this dummy GPS antenna cover is an universal cover that fits many Mercedes Benz model. The only difference is every model has different GPS size under the antenna cover. Each antenna has ridge inside, you will need to cut off the ridges depending on your GPS size. We will not know the size and how much to cut until you take off the cover. | Please make sure you have 100% exact the same antenna as ours. It will not work with any other shape of antenna. Fits on Most Mercedes Models, S class, E class, C class CLS, CL, CLK, ML, W220 W215 W210 S55 S500 S430 | This one comes with the front rubber lip which will fit snugly around your windshield trim. | Attention: Professional work required to replace the broken or cracked one on your car. Hollow one must remove the ridges/lines inside the cover to fit over the GPS unit. | Professional installation is recommended, any body shop should be able to remove the ridges inside the cover for you and professionally glue it on for you. Factory parts cost around $600+ so please consider this product. and finally, Please take to a shop for installation. This is not a DIY installation.