Clay works great on this type of problem. It will remove any debris or overspray that is sitting on top of the paint. While swirl remover and polish help with problems in or below the surface of the paint, nothing beats clay for problems ON the paint. Clay is also very gentle to your paint since it only removes the debris and not the paint.
It works by being somewhat sticky. You spray a lubricant like Meguiar's Final Inspection or Quick Detailer on a small area. Next you flatten the clay into a pancake and rub it on the area you sprayed. The lubricant makes the clay slide easily over the sprayed area but, any debris will be picked up by the clay. Be sure to keep the area wet with lubricant while using the clay. You are finished when the clay slides across the surface with virtually no friction and the paint feels absolutely smooth to the touch. Kneed the clay into a ball and then into a pancake again before moving to the next area. This creates a new clean surface on the clay.

We highly recommend it!

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Bill Wood - Webmaster
MercedesShop.com, LLC