‘Y585 YRV’ is a 2002 Mercedes-Benz G400 CDi that’s finished in Tanzanite Blue with a black leather interior, and whereas many G-Wagens were fitted with engines that placed the emphasis on steady plodding and economy, this is one of just 828 that left the factory with a twin-turbo diesel V8 under the bonnet.

All were left-hand drive – this one started its life as a personal import in Spain, where it lived until 2015 – and the oil-burner sends its 247bhp to all four wheels via a five-speed automatic gearbox.

Therefore, neither traction or seamless gearchanges are an issue, helping it streak to 62mph in ten seconds on its way to a top speed of around 112mph.

And, when the going gets really tough, just slip it into the low-ratio ‘box and select any one of the three differential locks on offer before deploying its 413lb-ft of torque to counteract the rotation of the Earth itself.

The seller bought it a decade ago and imported it to the United Kingdom.

He’s covered around 12,000 miles, ...