Description Showing only 53,093; one family owned; fantastic specification Long regarded as the flagship of the Mercedes-Benz range, the S-Class has always represented the point at which Stuttgart throws its full weight behind refinement, engineering depth and quiet authority.

The facelifted W220 models benefitted from improved build quality, cleaner styling and a level of comfort that few contemporaries could match.

Even today, a well-preserved example remains an immensely satisfying place to spend time, combining effortless performance with that unmistakable sense of calm competence that defined Mercedes at their best.

This 2004 S320 CDI, supplied new by Mercedes-Benz Swansea and retained by its mature first owner ever since, is a particularly appealing example.

Having covered just 53,093 miles from new, it presents with the sort of originality and careful upkeep that is becoming increasingly rare.

The overall condition suggests a car that has been used sparingly and looked afte...