Mercedes-Benz GLS 550 For Sale
36 Mercedes-Benz GLS 550 are listed for sale, with asking prices from $13,198 to $32,995, averaging 102,993 miles (data through Oct 6, 2026). For context, the GLS 550's market value runs $30,857 depending on year and condition, built from 14 verified auction sales, not asking prices.
Mercedes-Benz GLS 550 Listings (36)
Last checked Oct 6, 2026
+ 6 more listings in the DriveIndex app.
Asking prices as listed when last checked, not sold prices. Market values on DriveIndex come from verified completed sales.
Collector ($39.99/month) includes the Listing Analyzer: it scores any GLS 550 ask against its mileage-adjusted fair value from verified sales, with the deal score and the exact dollar gap. Deal Radar lists the asks under fair value across the whole market.
Check the 36 2017 GLS 550 listings with Collector →Not ready? A free account shows current values and recent sale dates.
Mercedes-Benz GLS 550 For Sale: Frequently Asked Questions
How many Mercedes-Benz GLS 550 are for sale?
36 Mercedes-Benz GLS 550 listings are listed across the marketplaces DriveIndex tracks (last checked Oct 6, 2026).
How much does a Mercedes-Benz GLS 550 cost?
Asking prices range from $13,198 to $32,995. The market value from verified completed sales runs $30,857. Asking prices and sold prices are not the same thing.
Is a Mercedes-Benz GLS 550 listing priced fairly?
DriveIndex's Listing Analyzer scores any Mercedes-Benz GLS 550 listing against its mileage-adjusted fair value from verified sales: the deal score, the exact dollar gap, and where the ask lands. The Listing Analyzer is a DriveIndex Collector feature.
When is the best time to buy a Mercedes-Benz GLS 550?
DriveIndex measures each model's seasonal pattern across years of verified sales and identifies the best months to buy and sell, a DriveIndex Collector feature. Whether the GLS 550 is appreciating, stable, or depreciating is the Value Signal, part of DriveIndex Pro.