"The permanent 4MATIC all-wheel drive system in conjunction with the V6 diesel engine will become available mid-2018. It will give the X-Class's handling a superior, clearly defined edge - for instance in wintry conditions.

In addition, it enables better moving off and accelerating on poor road surfaces or in unfavourable weather conditions. The permanent all-wheel drive system features a two-stage transfer case, which is flange-mounted to the 7G-TRONIC PLUS main transmission. It is fitted with a central differential of planetary design, which distributes the drive force between the front and rear axle at a fixed torque distribution of 40 to 60 percent. Optimum traction is guaranteed by a continuously adjustable longitudinal differential in the transfer case, in the form of an electromechanical multiplate clutch. This ensures that the traction potential of all four wheels is fully realised on demanding terrain.

There are three different all-wheel drive modes: 4MAT for increased driving dynamics, 4H for improved traction off-road and 4L mode (low range). The latter has a selectable reduction gear of 1:2.9 as standard. The top speed in 4L mode is 80 km/h. In addition, a 100-percent differential lock is available for the rear axle, if desired. The combination of a controlled longitudinal differential lock (0-100 percent), rear-axle differential and reduction gear delivers good performance both on- and off-road."

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