Ever since the middle of the 1990s, I've been captivated by the Mercedes-Benz S Class. It used to be known as Sonderklasse - special class - and teenage me certainly thought it was. The one that ...

The one that caught my attention was the W140. A huge, two-tonne beast when that sort of mass ... Servicing is due every 12 months or 25,000km on all engines except AMG drivetrains, which require ...