Everylot

Used 2026 Mercedes-Benz GLS in Illinois

9 listings from 2 dealer lots in Illinois, $70,076 to $95,676 (median $81,868). 2 price drops this week. Newest first. Refine with filters

  1. 2026 Mercedes-Benz GLS 450
    12,972 mi·AWD·Polar WhiteZeigler Chrysler Dodge Jeep Ram of Schaumburg · Schaumburg, IL
    $72,599$74,956
    $2,357 price drop
  2. 2026 Mercedes-Benz GLS 450
    16,806 mi·AWD·BlackZeigler Chrysler Dodge Jeep Ram of Schaumburg · Schaumburg, IL
    $70,764$74,888
    $4,124 price drop
  3. 2026 Mercedes-Benz GLS 4MATIC
    241 mi·AWD·BlackMercedes-Benz of Westmont · Westmont, IL
    $87,155
    Certified
  4. 2026 Mercedes-Benz GLS 4MATIC
    5,632 mi·AWD·Cirrus SilverLaurel BMW of Westmont · Naperville, IL
    $81,868$82,376
    $508 price drop
  5. 2026 Mercedes-Benz GLS 4MATIC
    5,520 mi·AWD·BlackLaurel BMW of Westmont · Naperville, IL
    $81,868$82,506
    $638 price drop
  6. 2026 Mercedes-Benz GLS 4MATIC
    7,353 mi·AWD·BlackLaurel BMW of Westmont · Westmont, IL
    $95,676$96,356
    $680 price drop
  7. 2026 Mercedes-Benz GLS 4MATIC
    6,416 mi·AWD·Twilight BlueMercedes-Benz of Naperville · Naperville, IL
    $86,376$87,355
    $979 price drop
  8. 2026 Mercedes-Benz GLS 450 4MATIC
    10,966 mi·AWD·Polar WhiteLaurel BMW of Westmont · Chicago, IL
    $70,076$70,930
    $854 price drop
  9. 2026 Mercedes-Benz GLS 450 4MATIC
    6,966 mi·AWD·Obsidian BlackLaurel BMW of Westmont · Chicago, IL
    $84,505$85,607
    $1,102 price drop

See every model: Used Mercedes-Benz GLS for sale.

Lower asking prices in Illinois, the cars priced below their matching comparison median.

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