New Mercedes-Benz GLS for Sale nearSaint-Théodore-d'Acton, 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 $75,452 CAD, and its lowest point over the past year was $68,280 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 luxury three-row SUV with broad appeal. 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 impressive performance. Many also highlight the high-quality craftsmanship and premium driving experience, along with the GLS’s strong engine character.

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

The main trade-offs centre on relatively poor fuel economy, a high price point, and touch-sensing controls that can be distracting. Some reviewers also point to third-row access and interior packaging as areas that could be better optimised.

35.6% of listings are priced as good or great deals.

Are Mercedes-Benz GLS models reliable?

Owners consistently praise the Mercedes-Benz GLS for its luxurious comfort, smooth ride, impressive performance, and high-quality craftsmanship. Expert feedback also points to a premium driving experience with strong power delivery and a well-finished cabin.

• 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 most closely tied to the GLS’s premium complexity and higher running costs, so a well-maintained example matters.

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

Key things to evaluate:

• Safety package: advanced driving assistance systems through MBUX, including forward-collision warning, lane-departure warning, lane-keeping assist, adaptive cruise control, and lane-centring assist
• Infotainment: MBUX infotainment system with a 12.3-inch digital instrumentation panel and a 12.3-inch infotainment touchscreen
• 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 premium cabin, MBUX, Burmester audio, and the GLS’s core luxury and comfort features; best value for most buyers.
• GLS 580: adds a twin-turbo V8 with mild-hybrid technology for buyers who want more power, and it can be paired with the Off-Road Package that adds underbody protection, up to 3 centimetres of added ground clearance, and improved water fording capability.
• AMG GLS 63: brings the performance-focused V8 version for buyers who want the most athletic character in the range.
• Maybach GLS 600: the most lavish version, aimed at buyers who want the highest level of luxury and presence.

What Mercedes-Benz GLS do most buyers choose?

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

Those higher-volume model years tend to attract more shoppers because they offer a wider selection of examples at different price points. More listings also make it easier to compare condition, equipment, and value before you buy.

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

Most GLS model years are showing double-digit year-over-year price declines, which creates more room for used buyers to find value. The steepest drops are concentrated in the newer model years, while the older examples still show meaningful movement lower. Overall, the pattern favours shoppers who want a luxury SUV with more accessible pricing than it had a year ago.

The 2018, 2020, and 2025 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.

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 −13.62% versus a year ago, and the 2024 model is at −23.9%.
• Deal availability: The 2025 model has 31.4% good and great deals, and the 2024 model has 33.9%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $120,554 CAD. The Mercedes-Benz GLS offers a spacious, luxury-focused cabin with three rows of seating and a strong emphasis on comfort.

Consider waiting if:

• Powertrain/efficiency: With 375 horsepower and 369 pound-feet of torque, the GLS 450 provides plenty of smooth, silky motive force and swift, seamless acceleration, and the official fuel economy rating is 11.3 litres per 100 kilometres in combined driving.
• Tech: Mercedes equips the 2024 GLS with its latest MBUX infotainment system, a 12.3-inch digital instrumentation panel, and a 12.3-inch infotainment touchscreen.
• Safety: 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.
• 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 11, 2026, CarGurus experts' opinions, and generative AI.