Used Mercedes-Benz GLS for Sale nearPocatello, ID

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 $53,033, and its nationwide average price reached a low of $52,204 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 earns a strong all-generations owner rating and consistently appeals to shoppers who want a luxury-first three-row SUV.

The all-generations owner rating is 4.7/5 across every model year in the data.

Owners repeatedly praise the GLS for its luxurious comfort, smooth ride, and strong performance. They also highlight the high-quality craftsmanship and premium driving experience, along with the roomy, family-friendly layout that makes it especially useful as a large SUV.

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

The main trade-offs are the relatively poor gas mileage, the high price point, and some technology and ergonomic quirks that show up across recent model years.

36.6% of listings are priced as good or great deals.

Are Mercedes-Benz GLS models reliable?

Owners consistently praise the Mercedes-Benz GLS for its comfort, smooth ride, and premium feel, and expert reviews echo that it delivers a polished, upscale driving experience. Across the lineup, it also earns strong marks for performance and craftsmanship.

• 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 84.1% — 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:

• 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 4Matic AWD, and the new Superscreen; it’s the best-value trim for most shoppers who want the GLS experience with the broadest appeal.
• GLS 580 4Matic: This V8 model adds 530 hp and 553 lb-ft of torque, plus a more muscular character for buyers who want stronger acceleration and a higher-output setup.
• AMG GLS 63: This performance model adds 603 hp, a performance-tuned transmission and suspension, a limited-slip differential, and beefier brakes for buyers who want the most athletic GLS.
• Maybach GLS 680: The ultra-luxury model adds the most exclusive presentation in the lineup, with extra chrome, 22-inch monobloc wheels, and the highest-end treatment.

What Mercedes-Benz GLS do most buyers choose?

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

Those higher-volume years tend to be popular because they offer a strong mix of newer features, broad availability, and plenty of shopping choice. When more listings are on the market, you also have a better chance of finding the right color, trim, and equipment combination.

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

The table shows broad year-over-year price declines across the GLS lineup, which can work in your favor if you’re shopping used. The biggest drops are concentrated in several newer and mid-cycle years, while a few older model years show smaller changes. That pattern suggests there are opportunities to find value across multiple generations, especially if you’re flexible on equipment and mileage.

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

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 −11.89% versus a year ago, and the 2024 model is at −13.89%.
• Deal availability: The 2025 model has 36.9% good and great deals, and the 2024 model has 36.9%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $78,249. The Mercedes-Benz GLS offers a roomy, upscale cabin with three-row practicality and a distinctly premium feel.

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, 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.
• Safety: 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.
• Starting price: Pricing starts at $95,500 for the GLS 450.

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 November 3, 2026, CarGurus experts' opinions, and generative AI.