#GLS600

Trademark applications filed by Daimler with the United States Patent and Trademark Office may indicate a soon-to-be expanded lineup for its premium line of Mercedes-Maybach vehicles. According to some detective work by AutoGuide, the automaker recently filed three applications with the USPTO for vehicles using the names GLS 600, GLS 680, and S 680.

While it wasn’t alway the case, Mercedes currently uses automotive designations above 600 to denote vehicles reserved for the ultra-luxury Maybach sub-brand. The GLS-Class’ trim presently tops out at 550 before qualifying as an AMG-enhanced model. While that doesn’t guarantee a Maybach SUV, it does make it a likely prospect. At the very least, it would seem Mercedes wants to introduce a more lavish GLS in the near future.