Mercedes GL-Class is a very big SUV. If you want to change your Cadillac Escalade for German car you should try with this one. However if its still not so big for you you can go to ART company and get the widebody treatment. 

Wide Body Kit: A.R.T Mammut Wide Bodywith all the trimmings andbeyond: Opulent fender flares, a enlarged front bumper with additional lighting system and modified NEROBi-Xenon headlight systema 5piece rear frame, rear spoiler, light blue illuminated Step Lights, a 4-pipesports exhaust system, light blue illuminated door sill trimsdignified engine performanceactive suspensionsystem, ergonomic multifunction sports steering wheel, classy interior in leather and Alcantara and  for the standing  the PREMIUM WHEEL monoART1 in 18", 20" or 22"An awesome upgrade for this terrifichudge vehicle.