Here's How Much Power A 400,000 Mile Mercedes E55 AMG Makes

If you’re a YouTuber with an older car, especially a motor with a lot of miles on the clock, the de rigueur thing to do is whack it on the dyno. Doug DeMuro has done it with his Dodge Viper, Tyler Hoover with his 243,000 mile Porsche 911 Carrera, and even we’ve had a crack using the legendary E36 BMW M3 ‘Lemon’.

So, it should come as no surprise that the owner of this 402,000 mile W211 Mercedes E55 AMG decided to stick it on the dyno to see how much power it’s making now. After all, 402,000 miles is a considerable innings for any car, let alone an AMG super saloon.

However, as we often see with these dyno sessions, the results aren’t what you’d expect. From the factory the E55’s 5.4-litre supercharged V8 put out 469hp at the crank, and over 400k miles later, this one manages a healthy, calculated 441 crank horsepower. Some claim Mercedes’ original figures were a tad conservative, but even so, 441hp for a car that’s travelled the equivalent of 16 times around Earth’s equator is not bad at all.

Where it gets really interesting is the torque: the official figure is 516lb ft, but this leggy E55 managed 547lb ft. Again, maybe Merc’s numbers were conservative, but regardless, we’re impressed, particularly because the dyno’s weather correction system wasn’t working. Given that it was tested in less than ideal hot and humid conditions, it might be able to offer up even more power and torque…

Video via Jalopnik