The Mercedes-Benz GLS has been spied undergoing testing at home in Germany ahead of this year's launch.

Daimler's largest SUV is one of the many models affected by the new nomenclature and as a consequence the "GL" name will be dropped in favor of "GLS" to better show the model's similarity in size with the S-Class. Despite getting a new name, the GLS will only be a facelift of the current generation so the styling tweaks will be limited.

Expect revised headlights and taillights, updated grille along with slightly modified bumpers while on the inside there should also be some changes to spice up the cabin and will likely have a lot in common with the GLE Coupe.

A more luxurious Maybach version could join the range with a higher specification interior cabin where the rear passengers will likely be pampered with individual seats offering lots of adjustment options. In addition, a Mercedes-Maybach GLS would likely get a slightly longer wheelbase and a few subtle exterior touches like the Maybach-specific wheels, grille and the compulsory badging.

Mercedes-Benz has already confirmed the GL facelift / GLS will be out this year so chances are it will premiere in September at the Frankfurt Motor Show before going on sale towards the end of the year as a 2016MY.

Gallery: Mercedes-Benz GLS (GL facelift) spied testing in Germany

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