New Mercedes-Benz GLS for Sale nearHarlowton, MT

How much does the Mercedes-Benz GLS cost in today's market?

Used Mercedes-Benz GLS prices span a wide range depending on model year. Here's what the market looks like right now:

The Mercedes-Benz GLS's current nationwide average price is $53,387, and its nationwide average price reached a low of $52,200 over the past year. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the Mercedes-Benz GLS a good car?

Yes — the Mercedes-Benz GLS is a strong pick if you want a large luxury SUV with broad appeal across model years. The all-generations owner rating is 4.7/5 across every model year in the data.

Owners consistently praise the GLS for its comfort, smooth ride, and premium cabin feel. They also highlight its strong performance and high-quality craftsmanship, which help it deliver a polished luxury experience. Across the model years, the GLS stands out for combining space, refinement, and capability in a way that suits family use.

Expert reviews rate the 2024 and 2021 models among the highest across all years.

The main trade-offs are fuel economy, higher pricing on some versions, and technology or ergonomic quirks that show up in several years. Some recent expert reviews also point to design and control-layout issues, so the best used GLS for you depends on how much you value comfort and presence over simplicity.

32.7% of listings are priced as good or great deals.

Are Mercedes-Benz GLS models reliable?

Owners and experts consistently praise the GLS for its comfort, premium feel, and strong performance. Across the model years, it also earns positive marks for craftsmanship and the way it delivers a refined driving experience in a large SUV.

• Owners rate the Mercedes-Benz GLS between 4.5 and 5 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is best managed by choosing a well-kept example with a clean history and a thorough pre-purchase inspection.

What should I look for when buying a used Mercedes-Benz GLS?

Across all model years, accident-free inventory is solid at 84.7% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2020 models.

Key things to evaluate:

• Safety package: Standard driver-assistance features include lane-keep assist, forward-collision warning, automatic emergency braking, blind-spot monitors, and adaptive cruise control with stop-and-go functionality.
• Infotainment: New for 2027, the standard Superscreen is actually three 12.3-inch screens in one dashboard-spanning housing, and the screens run a new version of the MBUX infotainment system based on Mercedes’ own MB.OS operating system, developed in-house.
• Fuel efficiency: Mercedes expects the six-cylinder GLS 450 to achieve 21 mpg combined (19 mpg city, 24 mpg highway) in EPA testing.

Which Mercedes-Benz GLS trim should I buy?

The 2027 Mercedes-Benz GLS offers these trims:

• GLS 450 4Matic: The six-cylinder model brings 375 horsepower, 413 pound-feet of torque, standard leather upholstery, heated and ventilated front seats, and the new Superscreen; it suits buyers who want the core GLS experience.
• GLS 580 4Matic: This V8 model adds 530 horsepower and 553 pound-feet of torque, plus the stronger performance and more traditional Mercedes V8 character that make it the best-value upgrade for buyers who want more power.
• AMG GLS 63: The performance model adds a 603-hp twin-turbo V8, a performance-tuned transmission and suspension, a limited-slip differential, and beefier brakes.
• Maybach GLS 680: The ultra-luxury model adds the highest-output V8, extra chrome, 22-inch monobloc wheels, and the most exclusive presentation in the lineup.

What Mercedes-Benz GLS do most buyers choose?

The Mercedes-Benz GLS years with the most listings are 2025, 2024, and 2023.

These higher-volume years tend to be popular because they give you more inventory to compare and a wider spread of pricing. They also sit close enough to the newest generation to deliver modern features while still offering used-car value.

What is the Mercedes-Benz GLS's resale value?

Most GLS model years are down by double digits year over year, which creates better opportunities for used buyers. The newer years in the table are also seeing meaningful price drops, so recent-model shoppers may find stronger value than they would expect. The smallest declines are still negative, but they show that some years are holding up better than others.

The 2017, 2021, and 2023 model years have held their value best, with the smallest year-over-year price changes.

Is the Mercedes-Benz GLS safe?

• 2027: 8/10
• 2026: 7/10
• 2024: 10/10
• 2022: 6/10
• 2021: 9/10

Standard driver-assistance features include lane-keep assist, forward-collision warning, automatic emergency braking, blind-spot monitors, and adaptive cruise control with stop-and-go functionality.

For the safest used buy, the 2024 model posts the highest confirmed score of 10/10.

Should I buy a used Mercedes-Benz GLS now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −11.62% versus a year ago, and the 2024 model is at −12.93%.
• Deal availability: The 2025 model has 32.4% good and great deals, and the 2024 model has 32.5%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $78,956. The Mercedes-Benz GLS offers a roomy, upscale cabin with three rows of seating and a strong focus on comfort and refinement.

Consider waiting if:

• Powertrain/efficiency: Mercedes continues to offer an array of powertrains, all of which have been updated for 2027 to improve responsiveness and reduce noise, vibration, and harshness, and all GLS models feature an integrated starter/generator electric motor to improve efficiency, as well as nine-speed automatic transmissions and 4Matic all-wheel drive (AWD).
• Tech: New for 2027, the standard Superscreen is actually three 12.3-inch screens in one dashboard-spanning housing, and the screens run a new version of the MBUX infotainment system based on Mercedes’ own MB.OS operating system, developed in-house.
• Safety: Standard driver-assistance features include lane-keep assist, forward-collision warning, automatic emergency braking, blind-spot monitors, and features that will keep track of stop signs, traffic lights, and the speed limit.
• Starting price: Pricing starts at $95,500 for the GLS 450 (all prices include a $1,550 destination charge).

If you're buying used today, the 2025 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

How does the 2024 Mercedes-Benz GLS compare to the 2024 BMW X7?

These recommendations are based on CarGurus' proprietary market data from October 21, 2026, CarGurus experts' opinions, and generative AI.