Used Mercedes-Benz GLS for Sale near Dunham, QC

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 $73,284 CAD, and its lowest point over the past year was $68,855 CAD. 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 choice if you want a three-row luxury SUV with broad appeal and a premium feel. The all-generations owner rating is 4.69/5 across every model year in the data.

Owners consistently praise its luxurious comfort, smooth ride, and strong performance. They also highlight the high-quality craftsmanship and premium driving experience, while noting that the cabin feels especially upscale and well appointed.

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

The main trade-offs across recent expert-tested years centre on third-row access, touch-sensing controls, and the AMG Line Package impeding entry and exit.

34.3% of listings are priced as good or great deals.

Are Mercedes-Benz GLS models reliable?

Owners consistently praise the Mercedes-Benz GLS for its luxurious comfort, smooth ride, and impressive performance across all model years. Reviews also point to strong craftsmanship and a premium driving experience that feels well suited to long-term ownership.

• Owners rate the Mercedes-Benz GLS between 4.5 and 5.0 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-maintained example with a clear service history and checking that the luxury features and advanced systems operate as intended.

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

Key things to evaluate:

• Safety package: Safety comes standard on the 2024 Mercedes-Benz GLS, with advanced driving assistance systems that include forward-collision warning, lane-departure warning, lane-keeping assist, adaptive cruise control, and lane-centring assist.
• Infotainment: Mercedes equips the 2024 GLS with its latest MBUX infotainment system, featuring a 12.3-inch digital instrumentation panel and a 12.3-inch infotainment touchscreen with intuitive touchscreen operation, natural voice recognition technology, and augmented reality for the navigation system.
• Fuel efficiency: The official fuel economy rating is 11.3 litres per 100 kilometres in combined driving.

Which Mercedes-Benz GLS trim should I buy?

The 2024 Mercedes-Benz GLS offers these trims:

• GLS 450: The most affordable version, with a turbocharged 3.0-litre inline six-cylinder engine with mild-hybrid technology, plus the GLS’s comfort-focused cabin and easy-to-use tech.
• GLS 580: Adds a twin-turbo V8 with mild-hybrid technology, and the Off-Road Package is available exclusively on this model with underbody protection, up to 3 centimetres of added ground clearance, and improved water fording capability.
• AMG GLS 63: Brings the performance-focused AMG version for buyers who want the most powerful character in the range.
• Maybach GLS 600: Sits at the top of the range with the most luxurious presentation and equipment.

What Mercedes-Benz GLS do most buyers choose?

The Mercedes-Benz GLS years with the most listings are 2025, 2023, and 2022.

Higher-volume years usually give you more choice in trims, colours, and equipment combinations, which makes it easier to find a GLS that fits your budget and feature wish list. They also tend to be the years shoppers cross-shop most often, so inventory depth can make the buying process smoother.

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

Most GLS model years are down by double digits year over year, which is good news if you want to buy used after the sharpest part of the price drop has already happened. The newer models show especially large declines, while the older years have fallen by smaller amounts. That pattern gives used shoppers a wider spread of value opportunities across the range.

The 2018, 2019, and 2020 model years have held their value best, with the smallest year-over-year price changes.

Is the Mercedes-Benz GLS safe?

• 2024: 10/10
• 2022: 6/10
• 2021: 9/10

Safety comes standard on the 2024 Mercedes-Benz GLS, with advanced driver-assistance systems that include forward-collision warning, lane-departure warning, lane-keeping assist, adaptive cruise control, and lane-centring assist.

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 −16.62% versus a year ago, and the 2024 model is at −19.49%.
• Deal availability: The 2025 model has 36.2% good and great deals, and the 2024 model has 30.4%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $117,667 CAD. The Mercedes-Benz GLS offers a spacious, luxury-focused cabin with three rows of seating and a premium feel that suits family use and long-distance comfort.

Consider waiting if:

• Powertrain/efficiency: The GLS 450 provides 375 horsepower and 369 pound-feet of torque, reaches 100 km/h in 6.1 seconds, and returns an official fuel economy rating of 11.3 litres per 100 kilometres in combined driving.
• Tech: The latest MBUX infotainment system pairs a 12.3-inch digital instrumentation panel with a 12.3-inch infotainment touchscreen, plus intuitive touchscreen operation, natural voice recognition technology, and augmented reality for the navigation system.
• Safety: The latest model adds or improves advanced driving assistance systems that include forward-collision warning, lane-departure warning, lane-keeping assist, adaptive cruise control, and lane-centring assist.
• Starting price: In Canada, the GLS 450 starts at $116,100.

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.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.