Used cars/Mercedes-Benz GLS/Chicago

Used Mercedes-Benz GLS in Chicago

131 used Mercedes-Benz GLS are for sale at 31 dealers within 40 miles of downtown Chicago. The median price is $77,409 at 11,958 mi.

131For sale
$77,409Median price
11,958 miMedian mileage
38%Under market
31Dealers

Ranked among 115 used Mercedes-Benz GLS

Best used GLS deals in Chicago

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Great deal #1 of 20

$105,412 $16,893 under market (13.8%) 2024 Mercedes-Benz GLS GLS 63 AMGÂ® 7,805 mi · Used · Black Market price $122,305 · Score 92/100 At Zeigler Chrysler Dodge Jeep Ram of Downers Grove

Great deal #1 of 35

$82,778 $10,240 under market (11%) 2026 Mercedes-Benz GLS 4MATIC 241 mi · Used · Black Market price $93,018 · Score 92/100 At AutoNation Hyundai O'Hare

Great deal #2 of 10

$87,412 $28,206 under market (24.4%) 2023 Mercedes-Benz GLS GLS 63 AMGÂ® 13,543 mi · Used · Silver Market price $115,618 · Score 92/100 At Zeigler Chrysler Dodge Jeep Ram of Downers Grove

Great deal #1 of 39

$68,887 $11,864 under market (14.7%) 2025 Mercedes-Benz GLS GLS 450 4MATIC® 4,673 mi · Used · Grey Market price $80,751 · Score 92/100 At Loeber Motors

Great deal #2 of 35

$78,368 $10,511 under market (11.8%) 2026 Mercedes-Benz GLS 4MATIC 5,520 mi · Certified · Black Market price $88,879 · Score 89/100 At AutoNation Hyundai O'Hare

Great deal #5 of 39

$63,962 $9,941 under market (13.5%) 2025 Mercedes-Benz GLS GLS 450 4MATIC® 13,098 mi · Certified · Polar White Market price $73,903 · Score 88/100 At Loeber Motors

Good deal #5 of 10

$96,403 $6,417 under market (6.2%) 2023 Mercedes-Benz GLS Maybach GLS 600 42,491 mi · Used · White Market price $102,820 · Score 71/100 At Kunes Lakes Chevrolet

Good deal #15 of 39

$57,012 $3,055 under market (5.1%) 2025 Mercedes-Benz GLS GLS 450 28,144 mi · Used · White Market price $60,067 · Score 62/100 At Heritage Cadillac Lombard

Deals against the market

About 14% under market

The best-ranked used Mercedes-Benz GLS in Chicago this week is at Zeigler Chrysler Dodge Jeep Ram of Downers Grove. 38% of the 115 ranked cars here are advertised under market.

How a used car is ranked

Market price comes from every used Mercedes-Benz GLS in Chicago: what price does at each year of age and each mile, then adjusted for trim, color and certified status. The score adds mileage for the car's age and whether the listing has photos. How we rank.

Prices by model year

Model years with at least 3 cars for sale. Advertised price is the dealer's own figure, before tax, title and registration. 31 of the 131 are certified pre-owned.
Model year	For sale	Median price	Median mileage
2026 Mercedes-Benz GLS	37	$88,936	4,117 mi
2025 Mercedes-Benz GLS	40	$77,412	10,977 mi
2024 Mercedes-Benz GLS	21	$64,893	23,588 mi
2023 Mercedes-Benz GLS	11	$61,797	28,714 mi
2022 Mercedes-Benz GLS	10	$45,595	43,126 mi
2021 Mercedes-Benz GLS	4	Too few to state	Too few to state
2018 Mercedes-Benz GLS	3	Too few to state	Too few to state

Dealers with the most used GLS

All Chicago dealers

Quick answers

How many used Mercedes-Benz GLS are for sale in Chicago?

131 used Mercedes-Benz GLS, model years 2017 to 2026, are advertised by 31 dealers within 40 miles of downtown Chicago, as of November 13, 2026. 31 are certified pre-owned.

What does a used Mercedes-Benz GLS cost in Chicago?

The median advertised price for a used Mercedes-Benz GLS in Chicago is $77,409, from 126 advertised prices ranging from $16,499 to $160,412. Median mileage is 11,958 mi. Prices are before tax, title and registration.

Where is the best deal on a used Mercedes-Benz GLS in Chicago?

The best-ranked used Mercedes-Benz GLS in Chicago this week is at Zeigler Chrysler Dodge Jeep Ram of Downers Grove, about 14% under market for its age and mileage. 38% of the 115 ranked cars are advertised at least 3% under market.

Which Chicago dealers have the most used Mercedes-Benz GLS?

Zeigler Chrysler Dodge Jeep Ram of Downers Grove in Downers Grove (59), AutoNation Hyundai O'Hare in Des Plaines (19), Loeber Motors in Lincolnwood (11).

Carfinity reads each dealer's public website. A car listed on more than one site is counted once. Dealer sites in this summary were last read between November 12, 2026 and November 13, 2026.