Mercedes-Benz GLS SUV For Sale In Westmont, IL

Looking for an SUV that's a complete package of comfort, luxury, and power? The Mercedes-Benz GLS SUV has it all, and more.

A full-size luxury SUV, the new Mercedes-Benz GLS 450 offers the passenger and cargo capacity that you'll want in an SUV. Not only does this spacious SUV keep everyone riding in luxury, but the turbo power and advanced technology ensure a responsive, distinctive, and upscale driving experience every time.

Take a road trip to take in the Victorian homes and windmills of Batavia. With its roomy interior and high-end cabin components, the 2022 Mercedes-Benz GLS pampers passengers the entire way. Even a jaunt to Brookfield Zoo for the day is a lesson in luxury as the smooth and powerful GLS glides along the highways and byways. There's a reason it's dubbed the S-Class of SUVs.

For the 2021 model year, the GLS lineup introduced two completely new models: The Mercedes-AMG® GLS 63 and the Mercedes-Maybach GLS 600 (the first-ever SUV for the ultra-luxury Maybach brand).

To learn more about pricing on the new models or the impressive 2022 Mercedes-Benz GLS 450 or GLS 580, call Mercedes-Benz of Westmont. Serving customers from Westmont, Chicago, Naperville, and Downers Grove, we're your premier local Mercedes-Benz dealership.

Take some time to browse our new model lineup online, then stop by our showroom for a test drive.

Contact Service Center

Mercedes-Benzof Westmont

200 East Ogden Avenue
Directions Westmont, IL 60559

  • CONTACT US: 630-537-0313


  • Monday - Thursday 8:30 AM - 8:00 PM
  • Friday - Saturday 8:30 AM - 6:00 PM
  • Sunday Closed

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Mercedes-Benz GLS

The standard GLS powertrain features 4MATIC® fully variable all-wheel drive (AWD) with a 9-speed automatic transmission and two powerful engine choices. With an advanced air suspension that adjusts to any driving conditions, you won't find a smoother riding luxury SUV.

Mercedes-Benz GLS Specifications

  • GLS 450: 3.0L inline-6 turbocharged engine with 362-horsepower
  • GLS 580: 4.0L twin-turbo V8 engine with 483-horsepower
  • GLS 450: 0 to 60 in 5.9 seconds
  • GLS 580: 0 to 60 in 5.2 seconds

Electrified with a 48-volt lithium-ion battery, the EQ boost system supplies an additional 21-horsepower to both engines, yet, amazingly, increases fuel efficiency:
  • GLS 450 EPA estimated city/highway fuel economy: 20/24 mpg*
  • GLS 580 EPA estimated city/highway fuel economy: 16/21 mpg*

Because safety and security are as important as performance and luxury, the Mercedes-Benz GLS includes a full menu of standard safety features:
  • Four-camera surround view system
  • Active brake assist
  • Attention assist
  • Adaptive braking technology
  • Adaptive high beam assist
  • Automatic emergency braking assist
  • Blindspot assist with exit warning assist
  • Crosswind assist
  • 9-way airbag protection
  • Rain-sensing windshield wipers

The GLS 450 and GLS 580 have 7500-lbs. towing capacity, trailer stability assist, and optional trailer hitch.

Mercedes-Benz GLS Features

Whether you're searching Chicago Cut Steakhouse on the Chicago River or the nearest gas station as you coast along Highway 34, the intuitive GLS infotainment system is there to assist. Standard multimedia features include:
  • Mercedes-Benz User Experience (MBUX)
  • Voice control with natural language understanding
  • Burmester surround sound system
  • Bluetooth®** connectivity
  • Apple CarPlay® integration
  • Android Auto™ integration
  • 12.3-inch touchscreen multimedia display
  • 12.3-inch digital instrument cluster display
  • Touchpad controller
  • MB Navigation

For over-the-top opulence, the Mercedes-Benz GLS comes fitted with:
  • Hands-free power liftgate
  • One-touch power tinted glass sunroof
  • Nappa leather multifunction steering wheel
  • Heated and ventilated front seats
  • 64-color LED ambient lighting
  • Inductive wireless charging with NFC pairing
  • SmartKey infrared-remote window opening and closing

Mercedes-AMG® GLS SUV

The high-performance handcrafted AMG® 4.0L V8 bi-turbo engine with EQ boost pumps out 603-horsepower with 627 lb-ft of torque.


  • AMG SPEEDSHIFT® TCT 9-speed automatic transmission
  • AMG Performance 4MATIC+® all-wheel drive
  • Races from 0 to 60 mph in 4.1 seconds
  • Upgraded adaptive air suspension
  • 123.4-inch wheelbase
  • 21-inch AMG® 10-spoke alloy wheels
  • EPA estimated city/highway fuel economy: 14/18 mpg*
  • Multicontour massaging front seats

All GLS Class three-row SUVs seat seven adult passengers comfortably. A six-seat option replaces second-row seating with captain's chairs for convenient walk-through third-row access. The spacious interior design leaves 17.4-cubic feet behind the rear seats and expands up to 84.7 cubic feet with both rows folded.

Buying a Mercedes-Benz GLS Near Westmont, IL

If you're interested in buying a Mercedes-Benz GLS 450, we're here to help. With flexible finance and lease options, it's never been easier to get behind the wheel of your dream car.

From brand new models to brand new designs, Mercedes-Benz of Westmont has something for every Mercedes lover. With a superior selection of new Mercedes-Benz vehicles, Certified Pre-Owned luxury cars, plus a full inventory of used cars and SUVs, we've got the new car you desire.

Once you drive off in your new Mercedes-Benz GLS, our relationship doesn't end. A vehicle as meticulously crafted as the GLS deserves exceptional service. Our factory-trained TechXperts are familiar with all the nuances of such a refined SUV. From warranty work to regular maintenance, you can trust the service at Mercedes-Benz of Westmont.

We understand that your Mercedes-Benz is more than just a car. It's a lifestyle. So we're here to support you for the lifetime of your vehicle. Let us get you behind the wheel of a Mercedes-Benz GLS today!

Located at 200 East Ogden Avenue, we're just a short five miles northwest of Ruth Lake Country Club.

*EPA estimated fuel economy. Compare the estimated mpg to the estimated mpg of other vehicles. You may get different mileage depending on how fast you drive, weather conditions and trip length. Your actual highway mileage will probably be less than the highway estimate.

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