PENR-350 disp fee doc fee.jpg

2025 Mercedes-Benz GLS Engine Specs, Towing & MPG Ratings

2025 Mercedes-Benz GLS

The Mercedes-Benz GLS is a luxury vehicle with plenty of high-tech features that enhance driving experiences in Larchmont and Mamaroneck. It is also a powerful vehicle, offering an impressive fuel economy and towing capacity. Discover what makes the GLS a performance-ready model with Mercedes-Benz of New Rochelle today. Contact us with questions and to make a reservation at our New Rochelle dealership. We believe you will appreciate the Mercedes-Benz GLS mpg ratings and other performance specs as much as we do.

 

 

2025 Mercedes-Benz GLS Engine Options

As mentioned, the 2025 Mercedes-Benz GLS lineup offers three engines, each tied to a specific trim level. Whether you prefer the more efficient performance of the Mercedes-Benz GLS 450 or the heart-pounding thrills of the AMG® GLS 63, you’ll find the perfect combination of power and economy for your regional trips in this Mercedes-Benz SUV. Explore all the Mercedes-Benz GLS engine options available below:

  • 2025 Mercedes-Benz GLS 450 4MATIC® SUV: 3.0L inline-6 turbo engine with a mild hybrid drive capable of up to 375 hp and 369 lb-ft of torque
  • 2025 Mercedes-Benz GLS 580 4MATIC® SUV: 4.0L V8 biturbo engine with a mild hybrid drive capable of up to 510 hp and 538 lb-ft of torque
  • 2025 AMG® GLS 63 SUV: Handcrafted AMG® 4.0L V8 biturbo engine with hybrid assist capable of up to 603 hp and 627 lb-ft of torque

2025 Mercedes-Benz GLS Towing Capacity

In addition to significant horsepower and torque, the 2025 Mercedes-Benz GLS provides unparalleled towing capabilities for all your weekend journeys out of Bronxville. So, how much Mercedes-Benz GLS towing capacity can you expect? When properly equipped with the optional trailer hitch, the 2025 Mercedes-Benz GLS towing capacity reaches up to 7,700 pounds*.

2025 Mercedes-Benz GLS Fuel Economy

While power and utility are important, rising gas prices have many drivers interested in the Mercedes-Benz GLS fuel economy figures. Depending on the model, the Mercedes-Benz GLS mpg ratings can reach up to 19 mpg in the city and 24 mpg on the highway**. Get all the details about the Mercedes-Benz GLS mpg ratings in the breakdown below:

  • 2025 Mercedes-Benz GLS 450 4MATIC® SUV: 19 mpg city / 24 mpg highway / 21 mpg combined**
  • 2025 Mercedes-Benz GLS 580 4MATIC® SUV: 14 mpg city / 19 mpg highway / 16 mpg combined**
  • 2025 AMG® GLS 63 SUV: 14 mpg city / 18 mpg highway / 15 mpg combined**

Experience The Power Of The Mercedes-Benz GLS At Mercedes-Benz of New Rochelle

If you are ready to test-drive a Mercedes-Benz GLS trim level at our dealership, call 914-315-7624 or contact us online today. While we cannot perform a Mercedes-Benz GLS towing capacity demonstration, our team is happy to answer any questions you have. For more information about the GLS, review our trim level guide. We also invite you to browse our latest new vehicle specials.

Disclaimers:

*With optional trailer hitch. Read Operator’s Manual before towing. In some states, aftermarket trailer brakes are required. See dealer for details.

**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.


Browse Mercedes-Benz GLS Inventory

Schedule Test Drive Form Opened

Schedule Test Drive

  • Please choose a time range above
  • This field is for validation purposes and should be left unchanged.
Request More Information Form Opened

Request More Information

  • This field is for validation purposes and should be left unchanged.
Contact Us Form Opened

Contact Us

  • This field is for validation purposes and should be left unchanged.

See Full Mercedes-Benz GLS Inventory
Mercedes-Benz of New Rochelle 40.9189636, -73.7673672.