What Is the Largest Mercedes-Benz SUV?

February 17th, 2025 by

Blue Mercedes GLS SUV parked by a lake

Mercedes-Benz is renowned for its luxurious and versatile SUVs, offering options that cater to every lifestyle. However, when it comes to size, one model stands out above the rest. If you’re searching for the ultimate blend of spaciousness, advanced features, and powerful performance, you might wonder which is the biggest Mercedes-Benz SUV.

Let’s explore the Mercedes-Benz SUV lineup at Mercedes-Benz of Hoffman Estates. We’ll examine these extraordinary SUVs, showcasing their impressive dimensions and standout features, and discuss why one is the ideal choice for you. These SUVs are great family vehicles, or maybe you’re an adventurer who refuses to compromise on luxury or capability.

Mercedes-Benz GLS

The GLS specifications are as follows:

  • Length: 205 inches
  • Width: 79.9 inches
  • Height: 71.8 inches
  • Wheelbase: 123.4 inches
  • Passenger capacity: Seven passengers
  • Headroom: First row, 39.4 inches; second row, 40.2 inches; third row, 38.9 inches
  • Legroom: First row, 40.3 inches; second row, 41.9 inches; third row, 34.6 inches
  • Rows of seating: Three
  • Cargo capacity: 17.4, 42.7, or 84.7 cubic feet, depending on the configuration

The Mercedes-Benz GLS is known for its size, luxury, and powerful performance. As the largest of the Mercedes-Benz SUV lineup, it offers seating for up to seven adults, making it an ideal choice if you have a family or just need more space. The GLS 450 has a 3.0-liter I-6 turbo engine, producing up to 375 horsepower and 369 lb-ft of torque. The GLS delivers a blend of power and comfort with a 0 to 60 mph time of 5.8 seconds.

Its notable features include a 9G TRONIC nine-speed automatic transmission and 4MATIC® all-wheel drive, cargo capacity ranging from 17.4 to 84.7 cubic feet, and a towing capability of 7,700 pounds. It also has an independent air suspension for superior ride comfort. Its overall length of 205 inches and wheelbase of 123.4 inches means the GLS SUV provides plenty of interior space for all your outings without compromising performance. The GLS 450 model starts at an MSRP of $89,200, positioning it as a luxury SUV that excels in both size and capability.

Mercedes-Benz GLE

These are the specifications for the GLE:

  • Length: 194.3 inches
  • Width: 84.9 inches
  • Height: 71.8 inches
  • Wheelbase: 117.9 inches
  • Passenger capacity: Five passengers
  • Headroom: First row, 40.5 inches; second row, 36.9 inches
  • Legroom: Front, 40.3 inches; rear, 40.9 inches
  • Rows of seating: Two or three (optional)
  • Cargo capacity: 33.3 or 74.9 cubic feet, depending on the configuration

The GLE’s wider stance offers a near-equal combination of luxury and size as the GLS, even though it’s not as large overall. It has seating for up to five passengers and generous cargo space for daily use and longer trips, making it great for tooling around Hoffman Estates. Most GLS trims offer an optional third row if you require more space.

The GLE 350 features a 2.0-liter turbocharged four-cylinder engine generating 255 horsepower and 273 lb-ft of torque, and its optional GLE 580 variant comes with a more powerful V-8 engine if you want even stronger performance. When it comes to speed, the GLE 350’s 4MATIC® reaches 0 to 60 mph in 6.6 seconds, while the six-cylinder GLE 450 takes 5.3 seconds, and the GLE 580 takes 4.3 seconds. Its 117.9-inch wheelbase and overall length of 194.3 inches make the GLE the perfect choice if you’re looking for a balance of size and agility.

Mercedes-Benz GLB

Let’s look at the GLB’s specifications:

  • Length: 182.4 inches
  • Width: 79.5 inches
  • Height: 66.7 inches
  • Wheelbase: 111.4 inches
  • Passenger capacity: Five or seven passengers
  • Headroom: Front, 40.7 inches; rear, 39.3 inches
  • Legroom: Front, 41.1 inches; rear, 38.1 inches
  • Rows of seating: Two or three
  • Cargo capacity: 12.4, 20, or 62 cubic feet, depending on the configuration

The GLB is the most compact option in the Mercedes-Benz SUV lineup; it provides a smaller alternative to the GLE and GLS with just as much room inside the cabin. It offers seating for up to five with the two-row version or up to seven passengers with the third-row option.

Its turbocharged 2.0-liter engine, producing up to 221 horsepower and 258 lb-ft of torque, ensures the GLB offers efficient performance without sacrificing style. The GLB 250’s 0-to-60 mph time is 6.9 seconds, which is still more than adequate for its size. The GLB’s compact dimensions make navigating tight spots in urban environments easier while still offering you generous cargo capacity and versatility for different uses.

Which Mercedes-Benz SUV Is the Right Choice for You?

Choosing the right Mercedes-Benz SUV depends on your priorities. If you need the largest SUV with lots of seating and power, the GLS is the clear winner. If you want a slightly smaller yet luxurious SUV with plenty of passenger space and excellent performance, the GLE has the perfect balance. However, if you’re looking for a more flexible, compact option, the GLB may be the best fit. Whichever model you choose, Mercedes-Benz ensures optimal luxury, performance, and advanced technology in every SUV. Contact us at Mercedes-Benz of Hoffman Estates to schedule a test-drive today.

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