2021 Mercedes-Benz GLS

  • Type: SUV
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2021 Mercedes-Benz GLS Ratings
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Consumer Rating

The J.D. Power 100-Point Score is based on hundreds of thousands of independent and unbiased opinions of verified car owners.
J.D. Power
Out of 100

Quality & Reliability

Measures the level of defects, malfunctions, and design flaws experienced by vehicle owners. Covers the entire vehicle from engine to infotainment system. A higher rating means fewer problems.

Driving Experience

Owners' evaluation of the vehicle's design, performance, comfort, functionality, safety, and technology, comprise this rating. Newer and recently-redesigned vehicles tend to score better.


J.D. Power's forecast of depreciation (how much of its current value the vehicle will likely lose) over the next three years. Lower depreciation equals a higher rating.

Dealership Experience

Owners' experience with this brand's dealerships during the purchase and service process make up this rating. Key factors include customer service, dealership facilities, and the quality of work.

Best Large Premium SUV of 2021

All J.D. Power rankings are powered by VIN verified vehicle owners. See ratings methodology.
Large Premium SUV
#6 Mercedes-Benz GLS

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Owners Like

Measured owner satisfaction with 2021 Mercedes-Benz GLS after 90-days of ownership.
  • Overall fuel economy and driving range of your vehicle/driving range and speed of charging your vehicle
  • Ease of getting in/out of the third row seats
  • Attractiveness of your vehicle's screens and displays

Owners Don't Like

The problems experienced by owners of the 2021 Mercedes-Benz GLS during the first 90-days of ownership.
  • Experience of using voice assistance in your vehicle
  • Comfort of the rear seats
  • Experience of getting your vehicle set up just the way you want

Performance Specs

MPG City

14 - 20


18 - 24


362 - 603


9 speed, Automatic w/OD


Intercooled Turbo Gas/Electric I-6, Twin Turbo Gas/Electric V-8


All Wheel Drive

Available Trims

2021 Mercedes-Benz GLS Review

This is the S-Class of SUVs. The Mercedes-Benz GLS SUV offers more capability than most drivers will ever need and enough luxury to keep all seven passengers comfortable—no matter where you choose to go. Choose from four models starting with the GLS 450 and moving through the ultimate SUV experience: The Mercedes-Maybach GLS 600. Power comes from a turbocharged inline-six or a bi-turbo V-8. BElectric EQ Boost adds torque and horsepower—and gets more from every gallon of gas while reducing emissions. 4MATIC Fully Variable All-Wheel Drive is standard. So is Self-Levelling AIRMATIC Suspension. Your GLS SUV is rugged but it’s still a Mercedes-Benz. And the Easy-Entry Second-Row Seat slides forward so every luxurious seat in the third row is easy to get to—from either side. And from Mercedes-Benz User Experience with Natural Language Understanding to Apple CarPlay and Android Auto phone integration to standard and available Driver Assistance Systems you’ll stay connected and protected. Choose from a variety of colors options and Genuine Mercedes-Benz Accessories and build a GLS SUV that’s all yours. The Mercedes-Benz GLS SUV. Well beyond practical.
The Mercedes-Benz User Experience with Natural Language Understanding puts your GLS SUV in a new category. Just say “Hey Mercedes ” and your GLS SUV hangs on your every word. It’ll learn your habits—and it’ll adapt to changes in your daily routine. Need to drop something off on the way to work? Available MB Navigation with Augmented Video shows you the way. Mercedes me connect turns your smartphone into a remote control for your GLS SUV so you can start it from your living room. The Mercedes-Benz GLS SUV. Bask in the luxury of technology.
The Mercedes-Benz GLS SUV features a variety of standard and available safety systems that use cameras and radar sensors to help you stay aware of what’s around you. Active Brake Assist scans the road ahead looking for cars you’re approaching too quickly. ATTENTION ASSIST senses when you’re getting drowsy behind the wheel. The available Driver Assistance Package takes the “rush” out of rush hour with Active Blind Spot Assist4 Active Lane Keeping Assist and Active Distance Assist DISTRONIC with Steering Assist. The Mercedes-Benz GLS SUV. Because safety is the ultimate luxury.
Every Mercedes-Benz GLS SUV comes with a racing pedigree. Choose from two powerplants both augmented by 48-Volt EQ for instant torque and better gas mileage. First up is the Athree-liter inline-six: It delivers 362 silky-smooth horsepower. Or go all out with the Bfour-liter bi-turbo V-8. With EQ Boost it’ll get you to sixty miles an hour in as little as 4.1 seconds. Add available E-Active Body Control with Curve Tilting Function and your GLS SUV actually leans into corners. The Mercedes-Benz GLS SUV. It comes with a racing heritage—and real-world performance.

2021 Mercedes Benz GLS Photos and Videos

2021 Mercedes-Benz GLS
2021 Mercedes-Benz GLS
2021 Mercedes-Benz GLS
2021 Mercedes-Benz GLS
2021 Mercedes-Benz GLS
All Interior Photos
2021 Mercedes-Benz GLS
All Exterior Photos
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