For an off-roader with an architecture that is almost four decades old, the Mercedes-Benz G-Class continues to attract buyers from different parts of the globe, so imagine what a new generation will do.

Making its web debut on video in test mule form, the hairy-chested SUV maintains its famous boxy appearance, but what seems to be pretty much the same, will actually turn out to completely revolutionize it.

For starters, the all-new G-Class is said to gain an additional 10 cm to its width, which will not only translate into a roomier cabin, but will also improve its cornering abilities. Word on the street has it that the upcoming model will shed as much as 400 kg (880 lbs) from the current generation’s weight, and this, combined with the extra oomph coming in the AMG versions, will make it significantly more agile.

Speaking of AMG, a 4.0-liter twin-turbo V8 engine will be used in the range-topping models, while the rest of the family will have to do with other petrol and diesel mills.

As for its official reveal date, nothing is known so far, but since Daimler’s future product map hasn’t revealed anything on such a possible SUV for 2017, our bet would be on a 2018 launch, which would make the next G-Class a 2019 MY.

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