 From 2016 with the release of the facelifted second generation model, the GL-Class was renamed to GLS-Class as per the revised nomenclature adopted by Mercedes.Under this scheme, SUVs use the base name "GL", followed by the model's placement in Mercedes-Benz hierarchy.The "G" is for "geländewagen" (German for "off-road vehicle") and alludes the long-running G-Class.