The 2027 Mercedes-Benz GLS introduces the latest iteration of MBUX multimedia software with AI-driven voice personalization, upgraded executive rear-seat luxury packages, newly designed alloy wheel options, and enhanced AIRMATIC® air suspension tuning for an even smoother ride across Central Illinois highways.

Why buy or lease my new GLS at Mercedes-Benz of Peoria?

Mercedes-Benz of Peoria offers a premier luxury buying experience tailored to Central Illinois drivers. From custom ordering your ideal GLS configuration to competitive luxury lease structures, tailored auto financing, and white-glove service, our team is dedicated to exceeding your expectations.

What engine options power the 2027 Mercedes-Benz GLS line?

The GLS 450 4MATIC® features a refined 375-hp 3.0L inline-6 turbo engine with mild-hybrid ISG technology, while the GLS 580 4MATIC® unleashes a potent 530-hp 4.0L V8 biturbo engine for effortless passing power and impressive towing capability.

What is the seating capacity and cargo room in the 2027 GLS?

The 2027 Mercedes-Benz GLS comfortably seats up to 7 passengers across three spacious rows (or 6 passengers with available luxury second-row captain's chairs). It offers up to 84.7 cubic feet of maximum cargo space with the rear seats folded flat.

Is 4MATIC® All-Wheel Drive standard on the 2027 Mercedes-Benz GLS?

Yes! Fully variable 4MATIC® All-Wheel Drive comes standard on every new GLS model, continuously optimizing torque distribution between front and rear axles to give you maximum stability during rain, sleet, or winter snow in Peoria.

How do I reserve or custom order a 2027 GLS at Mercedes-Benz of Peoria?

Securing your GLS is easy. You can browse our online showroom, complete a secure pre-approval application, or contact our luxury sales team directly to reserve an incoming model or place a personalized factory order tailored to your taste.

What is the towing capacity of the 2027 Mercedes-Benz GLS?

When properly equipped with the factory trailer hitch, the 2027 Mercedes-Benz GLS boasts a robust maximum towing capacity of up to 7,700 lbs, making it effortless to haul boats, campers, or trailers across Illinois.

Where is Mercedes-Benz of Peoria located?

Mercedes-Benz of Peoria is conveniently located in Peoria, IL, serving luxury vehicle clients from Dunlap, Morton, Washington, Bloomington, Normal, and surrounding Central Illinois communities with direct access via I-74 and US-150.

Ready to Experience the New Mercedes-Benz GLS?

Explore full-size luxury, test out standard 4MATIC® All-Wheel Drive capability, and evaluate 3-row seating versatility to discover why the 2027 GLS is the S-Class of luxury SUVs.

Take the next step today by starting your online finance application or estimating your current vehicle's trade-in value from home.

Contact Mercedes-Benz of Peoria today to speak with a specialist about current luxury lease offers, custom orders, and incoming 2027 GLS shipments!

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Why the 2027 Mercedes-Benz GLS is the Ultimate Full-Size Luxury SUV in Peoria, IL

For drivers who demand uncompromised luxury, first-class passenger comfort, and all-weather capability, the 2027 Mercedes-Benz GLS sets the standard for full-size luxury SUVs. Whether cruising along Grandview Drive, commuting across the Illinois River on I-74, or embarking on long interstate road trips, the GLS provides a serene, whisper-quiet sanctuary for your family.

Combining mild-hybrid turbocharged performance with intelligent 4MATIC® All-Wheel Drive and standard AIRMATIC® air suspension, the 2027 GLS glides over uneven road surfaces while delivering instant acceleration and confident towing power.

Standard 4MATIC® All-Wheel Drive: Continuously adjusts power distribution to deliver optimum grip on wet pavement, gravel, or winter snow across Peoria County.
Mild-Hybrid Turbocharged Powertrains: Integrated Starter-Generator (ISG) technology adds instant low-end torque while boosting overall fuel efficiency.
AIRMATIC® Air Suspension System: Automatically adjusts dampening at each wheel to deliver a smooth ride and level vehicle load.

When you explore our new inventory at Mercedes-Benz of Peoria, you can compare available 2027 GLS 450 and GLS 580 models to discover the ideal combination of performance and interior refinement for your lifestyle.

Learn more about the differences of the 2027 Mercedes-Benz GLS model to the 2026 model year.

2027 Mercedes-Benz GLS Trim & Model Lineup

The 2027 Mercedes-Benz GLS lineup offers distinct trim levels engineered to exceed every expectation of luxury performance and prestige:

GLS 450 4MATIC®: Powered by a 3.0L inline-6 turbo engine with mild-hybrid drive producing 375 hp and 413 lb-ft of torque. Features 20-inch alloy wheels, panoramic sunroof, Burmester® Surround Sound, and dual 12.3-inch widescreen displays.
GLS 580 4MATIC®: Features a hand-crafted 4.0L V8 biturbo engine with ISG producing 530 hp and 553 lb-ft of torque. Includes multi-contour front seats with massage, genuine leather upholstery, 21-inch wheels, and AMG® exterior styling accents.
AMG® GLS 63: The high-performance flagship boasting a handcrafted AMG® 4.0L V8 biturbo engine delivering 603 hp, AMG® RIDE CONTROL+ suspension, and race-inspired cabin styling.
Mercedes-Maybach GLS 680: The pinnacle of ultra-luxury, featuring executive rear seating with folding tables, champagne flutes, recline functions, and bespoke craftsmanship throughout.

Our specialists at Mercedes-Benz of Peoria can assist you in comparing models or customizing your custom factory build down to the last interior stitch.

First-Class Interior Amenities, Seating & Cargo Versatility

Inside the 2027 Mercedes-Benz GLS, meticulous craftsmanship meets cutting-edge digital intelligence. High-grade materials like hand-fitted leather, natural grain woods, and 64-color ambient lighting create an environment tailored for complete relaxation.

Designed to cater to all three rows of passengers, the GLS offers adult-sized headroom and legroom in every seat position.

Flexible 6 or 7-Passenger Seating: Choose between standard 7-passenger seating or luxury second-row captain's chairs with armrests and power-folding access.
Generous Cargo Dimensions: Offers 17.4 cubic feet of trunk room behind the third row, expanding to 42.7 cubic feet behind row two and up to 84.7 cubic feet total.
MBUX High-End Infotainment: Dual 12.3-inch digital displays feature augmented video navigation, natural voice control ("Hey Mercedes"), and wireless Apple CarPlay® & Android Auto™.
Executive Comfort Features: Available heated, ventilated, and massaging seats across first and second rows, heated armrests, and 5-zone automatic climate control.

Experiencing the cabin materials, seat adjustments, and Burmester® audio clarity during a visit to Mercedes-Benz of Peoria confirms why the GLS leads its luxury SUV segment.

Performance Engineering & 4MATIC® All-Wheel Drive Capabilities

Engineering excellence lies at the heart of the 2027 Mercedes-Benz GLS. Paired with a smooth 9G-TRONIC 9-speed automatic transmission, every engine option balances effortless acceleration with refined cruising efficiency.

With standard 4MATIC® All-Wheel Drive and advanced driver assistance systems, the GLS offers total composure whether navigating city traffic or towing heavy loads across Illinois highways.

Dynamic Select Driving Modes: Tailor engine response, transmission shifts, suspension firmness, and steering weight via Eco, Comfort, Sport, and Individual modes.
7,700-lb Towing Capacity: Easily hauls luxury boats, horse trailers, or recreational vehicles with integrated Trailer Maneuvering Assist.
Comprehensive Driver Assistance Package: Includes Active Distance Assist DISTRONIC®, Active Steering Assist, Evasive Steering Assist, and Route-Based Speed Adaptation.

Whether navigating harsh winter storms or embarking on summer road trips, the 2027 GLS delivers peace of mind and confident performance.

Buying or Leasing Your New Mercedes-Benz GLS at Mercedes-Benz of Peoria

At Mercedes-Benz of Peoria, we make purchasing or leasing a new 2027 GLS seamlessly tailored to your preferences. Whether you choose a customized lease program or traditional financing, our luxury finance specialists build transparent arrangements aligned with your goals.

We invite you to explore our luxury vehicle inventory, value your current trade-in online, and schedule a private showroom consultation with our team.

Evaluate your current vehicle's trade market value using our rapid trade valuation tool.
Complete a pre-approval application online to review competitive luxury auto rates prior to your visit.
Enjoy world-class certified Mercedes-Benz maintenance and guest amenities whenever your vehicle requires service.

Visit Mercedes-Benz of Peoria today to explore our new 2027 Mercedes-Benz GLS inventory and experience top-tier luxury automotive service in Central Illinois!

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