This text discusses an optimal polishing combination for a ten-year-old black Mercedes. Using 1600 grit sandpaper with a wool polishing pad for initial polishing, followed by 2600 and 3600 grit sandpapers, can achieve astonishing results. Black paint on older cars requires extra care and precision. This combination can bring back the car's luster and is comparable to professional salon results even when done on the roadside. Polishing not only enhances appearance but also protects the paint.