2018 Mercedes-Benz GLS-Class Review
Used GLS-Class for sale
Mercedes-Benz GLS-Class types
- SUV
- GLS 63 AMG
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Edmunds' Expert Review
byCalvin Kim
Vehicle Test Engineer
Calvin Kim is an automotive journalist at Edmunds.Pros
- Spacious third-row seat can accommodate adults
- Ample acceleration with any powertrain choice
- Quiet cabin with luxurious trim
- Available off-road package gives it true capability in the dirt
Cons
- Large price jump from GLS 450 to GLS 550
- Many desirable features don't come standard
Vehicle overview
The 2018 GLS-Class is Mercedes-Benz's flagship SUV. It's available with three engines, a twin-turbo V6 (362 horsepower, 369 pound-feet of torque) in the GLS 450; a twin-turbo V8 (449 hp, 516 lb-ft) in the GLS 550; and an even more powerful V8 (577 hp, 561 lb-ft) in the barnstorming GLS 63 AMG variant. The GLS 450 and GLS 550 are equipped with a nine-speed automatic transmission, while the GLS 63 AMG comes with a seven-speed automatic. All GLS models feature Mercedes-Benz's all-wheel-drive system called 4Matic.
Still, outright performance is not what the GLS is about. Rather, the GLS is designed to accommodate passengers and cargo with features such as second-row seats with adjustable recline. And, in a pinch, seats can be stowed and moved for flexible cargo requirements. With optional features, all of this can be done electronically at the touch of a button.
Thanks to its street-oriented suspension, the GLS rides smoothly over the road, giving drivers and passengers one of the most serene experiences in its class. And yet an available body roll control system and sport-oriented suspension can firm up the handling.
Some buyers may hesitate once they see the price, particularly if it's a well-equipped example. And others may find the size and dynamics too big and too soft, respectively. But the GLS is levels above the cutthroat midsize SUV and crossover market, and it dominates in the full-size segment by bringing an S-class to the SUV fight.
Notably, we picked the 2018 Mercedes-Benz GLS-Class as one of Edmunds' Best Luxury SUVs for 2018.
Trim tested
Edmunds has not yet driven a recent version of this vehicle, but we have limited experience with its predecessor. The following is our first take on what's significant about it and what you can expect.
Driving
Straight-line performance is admirable, but handling on twisty roads is less refined.
Comfort
The GLS-Class is designed to deliver a luxurious feel and succeeds admirably. Virtually no noise or harshness enters the cabin.
Interior
Our test car was equipped with Mercedes' Designo leather interior that offers Bentley quality at about half the price. Truly terrific.
Utility
With the third row up, there's ample space in the GLS-Class. Thanks to folding second and third rows, the GLS is quite utilitarian.
Technology
The GLS includes a number of standard features, but the good stuff is optional. You'll pay extra for satellite radio, navigation, keyless entry, etc.
Which GLS-Class does Edmunds recommend?
Most buyers will be well-served by the GLS 450. It delivers solid performance along with its luxurious cabin, plus it leaves room for customization with numerous options packages.
2018 Mercedes-Benz GLS-Class models
The 2018 Mercedes-Benz GLS-Class is a seven-passenger, large luxury SUV that's offered in three models. The GLS 450 is the base model that's well equipped but doesn't include many of the higher-end features you might expect in an luxury SUV. The GLS 550, ups the power and includes many features that are optional on the GLS 450. Finally, performance aficionados will be drawn to the ultra-powerful AMG GLS 63. All three feature standard all-wheel drive.