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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2018 Mercedes-Benz GLS-Class GLS450

2018 Mercedes-Benz GLS-ClassView this vehicle at autos of chicago →

Vehicle Details

VIN4JGDF6EE9JB167479
TrimGLS450
Exterior ColorWhite
Drivetrain4WD
Engine3.0L V6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot41

GLS450

Fair Price
$24,26853,981 mi

Arlington Heights, IL 60004

Is this 2018 Mercedes-Benz GLS-Class GLS450 a good deal?

OAV verdict: Fair Price

Why: Listed at $24,268, comparable market range $11,997–$29,999, based on 33 comparable listings.

The verdict judges the asking price only. It does not assess the vehicle's condition, history, fees or total purchase cost.

Market context (not a verdict input): Listed 41 days.

Market price position

$24,268 · within market range

Comparable range
$11,997 – $29,999
vs. market
$12,271 above low · $5,731 below high
Comparable vehicles
33

Market Retail Price (MRP™)

$20,998

This vehicle $24,268 · $3,270 (16%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$25,200

This vehicle $24,268 · $932 (4%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-28) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 15–67 days.

Local Market Range

Comparable listings in this vehicle's local market, rebuilt from the market snapshot shown above.

Local Range$29,999 – $29,999

Autos Of Chicago

Arlington Heights, IL

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About This 2018 Mercedes-Benz GLS-Class

Listing updated: Sep 28, 2026

Listed by an independent dealer in Arlington Heights, IL · On lot for 41 days · VIN verifiable at NHTSA

This used 2018 Mercedes-Benz GLS-Class GLS450 is listed at $24,268 by autos of chicago in Arlington Heights, IL 60004. It has 53,981 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a 4WD drivetrain with a 3.0L V6 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Fair Price — priced in line with the supported comparable range. Based on 33 comparable listings matched to this vehicle, the estimated market range is $11,997 to $29,999. These comparisons match year, make, and model, using trim where the data supports it. OAV does not adjust comparable prices for mileage — every price shown is the real advertised price. On used vehicles, mileage can still cause OAV to withhold a verdict — very high or unreliable mileage, or a lower price better explained by higher-than-typical mileage than by a genuine market discount — rather than call it a deal it can't support.

This vehicle has been on the lot for 41 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 28, 2026. The comparable band (patent pending) is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Arlington Heights, IL suvs market analysis. OAV rates each vehicle against its comparable range and comparable count — local-first, widening the comparison set only when local inventory is too thin to support a reliable range; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2018 Mercedes-Benz GLS-Class against similar vehicles currently available for sale — same make, model, and year range, using trim where the data supports it. OAV does not adjust comparable prices for mileage; on used vehicles it withholds a verdict when mileage would distort the comparison — very high or unreliable mileage, or a lower price better explained by higher-than-typical mileage than by a genuine market discount — rather than overstate a deal. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by at least OAV's minimum-gap margin; a smaller gap under the floor is Fair Price.
  • Fair Price — priced within the comparable range, or below the floor by less than that margin.
  • Overpriced — priced above the comparable range.
  • Unscored — OAV withholds a verdict when the evidence cannot support one: too few or too widely spread comparables, a price it cannot validate, a branded or salvage title, or mileage that would distort the comparison. The listing stays visible; only the rating is withheld.

Listings show OAV's Price-to-Market verdict and live market context for every dealer's inventory, whether or not the dealer has any relationship with OAV. A dealer that claims its listings can manage its profile and have buyer inquiries routed to it directly. A paying partner's own listings additionally carry an OAV Verified Partner label on the dealer contact block and a link to the dealer's own listing page. That is the complete list of what a relationship with OAV changes, and all of it concerns the dealer's identity on its own listings. Payment never changes a vehicle's verdict, its eligibility to be scored or cited, the evidence shown or withheld, or where and how prominently the listing appears on any OAV page, board, or answer. There is no paid placement, ranking, ordering, verdict badge, or featured position of any kind. OAV sells dealers insight into the evidence, never influence over it.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Arlington Heights, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 4JGDF6EE9JB167479 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles.

2018 Mercedes-Benz GLS-Class Market in IL

IL Market Listings

65

Average Price

$21,598

Price Range

$15,526–$29,799

Avg Days on Lot

96

Based on all 65 2016-2020 Mercedes-Benz GLS-Class listings in the IL market, the average asking price is $21,598. This listing at $24,268 is $2,670 above the broader IL average (12% above the IL average). This is a wider, all-trim comparison across IL; OAV's price verdict above uses the closer comparable set. Comparable prices in IL range from $15,526 to $29,799. Similar vehicles spend an average of 96 days on dealer lots in this market.

Similar Mercedes-Benz GLS-Class Listings in IL

8 similar listings shown (closest matches by model year and mileage) (subject trim: GLS450 — compare trims below)

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.