Used 2019 Mercedes-Benz GLS for Sale near Illinois

How much does the 2019 Mercedes-Benz GLS cost?

Prices have softened 13.09% compared to this time last year, making it a favorable time to shop this model year.

There are 810 listings available, which gives you a solid amount of inventory to compare.

Is the 2019 Mercedes-Benz GLS a good car?

Yes — owners rate it 4.5/5, which points to strong overall satisfaction. The review summary highlights the smooth ride, comfort, and luxury features as the biggest strengths, and those traits line up well with its role as a spacious three-row SUV for families who want a premium feel. You should also weigh the tradeoffs noted by owners, including poor gas mileage and dated electronics, especially if you want a more modern tech experience. With 37.4% of listings marked as good or great deals, you have room to shop selectively.

Is the 2019 Mercedes-Benz GLS reliable?

Owners rate it 4.5/5, a strong signal of long-term satisfaction.

The review summary points to a vehicle that owners generally trust and enjoy over time, with the smooth ride and comfort helping reinforce that positive ownership experience. The same feedback also suggests that the GLS can be a dependable choice if you value a traditional luxury SUV feel and are comfortable with its known compromises. For used buyers, the main long-term ownership risk is less about outright satisfaction and more about making sure maintenance history and condition are solid before you commit.

What should I look for when buying a used 2019 Mercedes-Benz GLS?

At 69.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from those with accident records. After that, prioritize a pre-purchase inspection that focuses on body condition, signs of prior repair, and how well the luxury features and seating systems are working. Because this SUV is built around comfort and family use, you should pay close attention to interior wear, third-row access, and overall maintenance consistency.

Is now a good time to buy a used 2019 Mercedes-Benz GLS?

This is a moderate market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 37.4% of listings are priced as good or great deals.
• Inventory: There are 810 listings available.
• Price trend: Prices have softened 13.09% compared with last year.
• Clean inventory: 69.6% of listings are accident-free.

If you find a listing below $23,367, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2019 Mercedes-Benz GLS's resale value?

The current average of $23,367 sits slightly below last year's $26,887.

That price movement suggests the model has already absorbed a meaningful amount of depreciation, which can help future sellers if they buy at the right entry price. If you shop carefully now, you may have less downside left than a buyer who paid closer to the prior-year average. Strong owner satisfaction can also help keep demand steady when it is time to sell.

Vehicles with strong owner satisfaction ratings, like this model year's 4.5/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2019 Mercedes-Benz GLS or consider a different year?

If you're weighing the 2019 against nearby model years, here's how to think about it:

Choose the 2019 if:

• 37.4% of listings are priced as good or great deals.
• At 69.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 13.09% compared with last year.
• Owners rate it 4.5/5 — a strong satisfaction signal.

The bottom line: The 2019 is a strong choice if you want the traditional GLS formula: space, comfort, and a premium feel at a lower average price than last year. If you are especially price-sensitive, this year looks appealing because the market has softened and there is enough inventory to compare multiple examples before you buy.

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