From here on out, all crossovers will begin with GL-, and the third letter will refer to the vehicle's size. Given that the S-Class is the brand's largest sedan, the GLS will be the automaker's largest crossover.
Those with an eye for efficiency can opt for the GLS350d, which uses a 3.0-liter diesel engine to maximize efficiency. It might be low on power, with just 255 hp, but it's packing an impressive 457 pound-feet of torque.
In-between the diesel and AMG variants lie the GLS450 and the GLS550. The GLS450 sports a gasoline-powered six-cylinder engine, and those on the hunt for a bit more thrust can look to the GLS550's 4.7-liter eight-cylinder.
Mercedes went all-out improving the GLS' interior. The most notable update is the COMAND infotainment screen, which is no longer tucked inside a shroud in the dashboard. It sports the same floating-tablet aesthetic seen on other new M-B vehicles.
Buyers can opt for an 8-inch COMAND infotainment screen with a touchpad and navigation capability. Online services (including automatic emergency calling, breakdown assistance and diagnostic data sent to a buyer's smartphone) are free for the first five years.
If you like fancy windshield wipers, the optional Magic Vision Control puts the wiper-fluid nozzles inside the wiper arm assembly. Instead of fluid spraying wildly in every direction, it looks like your wipers are clearing the windshield without any liquid whatsoever.
Buyers will find plenty of standard safety equipment in the GLS-Class, including forward collision warning, automatic braking and an attention assistant that monitors driveline inputs to detect driver drowsiness.
If you'd rather let computers do the brunt of the work, the Driver Assistance Package includes Distronic Plus, which allows adaptive cruise control functionality from 0 mph up to a chosen top speed. It will start and stop moving without any driver input.
You can outfit the GLS550 with an optional Sport package, which gives the car a more aggressive appearance without requiring you to spend the coin for the full-on AMG treatment. Upgrades include unique front and rear bumpers, side running boards and 21-inch AMG alloy wheels.
While drivetrain configurations and power outputs are all finalized, Mercedes-Benz has yet to release any information regarding fuel economy, performance, or price. To give you an idea, though, the least-expensive GL-Class ran buyers about $65,000.