The 2015 / 2016 Mercedes M-Class has been spied wearing less disguise than ever before.

The 2015 / 2016 Mercedes M-Class has been spied wearing less disguise than ever before.

Caught undergoing testing in Death Valley, the facelifted crossover has an evolutionary design but adopts a new front fascia with a revised grille and restyled air intakes. The model also has restyled headlights that mimic the C- and S-Class.

Our spies couldn't get close enough to snap interior photos but previous shots have shown the model will receive a modest makeover that includes a new freestanding infotainment system.

Engine options are expected to include the usual suspects so look for an assortment of familiar six- and eight-cylinder units. There have also been rumors about an eco-friendly four-cylinder diesel and a possibly even a new hybrid or plug-in hybrid variant.

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