Used Mercedes-Benz GLS for Sale near Saint-André-d'Argenteuil, 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 $71,022 CAD, and its nationwide average price reached a low of $69,762 CAD 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 choice if you want a large luxury SUV with a premium feel and 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 luxurious comfort, smooth ride, and impressive performance. They also highlight the high-quality craftsmanship and premium driving experience, along with the spacious, family-friendly cabin.

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

The main trade-offs centre on fuel economy, third-row access, and the price of entry, while some reviews also point to technology that can feel less advanced than expected for the segment.

30.6% of listings are priced as good or great deals.

Are Mercedes-Benz GLS models reliable?

Owners consistently praise the GLS for its comfort, performance, and craftsmanship, and expert reviews reinforce its premium character and refined driving experience. Across the model years in the data, it comes across as a well-built luxury SUV that delivers a polished ownership experience.

• 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 most likely to centre on higher running costs and the complexity that comes with a heavily equipped luxury SUV.

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

Key things to evaluate:

• Fuel efficiency: The 2026 GLS 450 is rated by Natural Resources Canada at 11.3 litres per 100 kilometres combined, and we observed 12.1 L/100 km on our mountainous evaluation route.
• Infotainment: Wireless Apple CarPlay and Android Auto, plus a navigation system with augmented reality enhancement, are standard.
• Safety package: Nearly 40 safety and driver assistance systems appear on the 2026 GLS’s standard equipment list, including Mercedes’s innovative Pre-Safe and Crosswind Assist technologies.

Which Mercedes-Benz GLS trim should I buy?

The 2026 Mercedes-Benz GLS offers these trims:

• GLS 450: The best-value trim, with heated front seats, MB-Tex upholstery, a sunroof, dual 12.3-inch displays with MBUX touchscreen functionality, navigation, a Burmester surround sound stereo, SiriusXM, nine USB-C ports, wireless charging, power-folding third-row seats, power-adjustable second-row seats, and 19-inch wheels.
• GLS 580: Adds more power and a higher level of luxury for buyers who want a stronger performance focus and more upscale presence.
• AMG GLS 63: Brings the performance-oriented AMG character and the most athletic setup in the range.
• Maybach GLS 600: Sits at the top of the lineup with the most opulent presentation and the richest luxury treatment.

What Mercedes-Benz GLS do most buyers choose?

The Mercedes-Benz GLS years with the most listings are 2022, 2021, and 2025.

These higher-volume years tend to be popular because they give you more inventory to compare, which can make it easier to find the right trim, colour, and price. They also often represent the sweet spot where newer features and broader availability overlap.

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

Most GLS model years are down year over year, which can work in your favour if you are shopping used. The larger drops are especially helpful for buyers looking at newer examples, while the smaller declines suggest some years have softened more gradually. Overall, the table points to a market where used shoppers can find meaningful value across several model years.

The 2022, 2019, and 2021 model years have held their value best, with the smallest year-over-year price changes.

Is the Mercedes-Benz GLS safe?

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

Nearly 40 safety and driver assistance systems appear on the 2026 GLS’s standard equipment list, including Mercedes’s innovative Pre-Safe and Crosswind Assist technologies.

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 −16.1% versus a year ago, and the 2024 model is at −28.68%.
• Deal availability: The 2025 model has 23.6% good and great deals, and the 2024 model has 23.5%.
• Sweet-spot year: The 2022 model has the most listings at a current average price of $68,817 CAD. The Mercedes-Benz GLS offers a quiet and comfortable cabin, the latest technology, and responsive driving dynamics.

Consider waiting if:

• Powertrain/efficiency: The 2026 GLS 450 uses a turbocharged 3.0-litre inline-six with 375 horsepower and 369 pound-feet of torque, and it is rated at 11.3 litres per 100 kilometres combined.
• Tech: Wireless Apple CarPlay and Android Auto, plus a navigation system with augmented reality enhancement, are standard.
• Safety: Nearly 40 safety and driver assistance systems appear on the 2026 GLS’s standard equipment list, including Mercedes’s innovative Pre-Safe and Crosswind Assist technologies.
• Starting price: The 2026 Mercedes-Benz GLS lineup ranges from $125,395 CAD to $247,795 CAD.

If you're buying used today, the 2022 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 2020 Mercedes-Benz GLS compare to the 2020 Audi Q8?

These recommendations are based on CarGurus' proprietary market data from November 3, 2026, CarGurus experts' opinions, and generative AI.