2018 Mercedes-Benz GLS-Class GLS450

Listed by a franchise dealer in Westport, CT · On lot for 17 days · VIN verifiable at NHTSA

This used 2018 Mercedes-Benz GLS-Class GLS450 is listed at $22,294 by new country motor car group in Westport, CT 06880. It has 63,209 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 Overpriced — priced above the supported comparable range. Based on 16 comparable listings matched to this vehicle, the estimated market range is $17,699 to $20,985. The comparable range in CT is $17,699 to $20,985. 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 17 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 22, 2026. The patented comparable band 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 Westport, CT suvs market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

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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 a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
• Fair Price — priced within the expected range for comparable vehicles.
• Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Westport, CT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 4JGDF6EE5JB158939 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 methodology (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 CT

Based on all 14 2016-2020 Mercedes-Benz GLS-Class listings in the CT market, the average asking price is $23,710. This listing at $22,294 is $1,416 below the broader CT average (6% below the CT average). This is a wider, all-trim comparison across CT; OAV's price verdict above uses the closer comparable set. Comparable prices in CT range from $17,972 to $37,693. Similar vehicles spend an average of 84 days on dealer lots in this market.

Similar Mercedes-Benz GLS-Class Listings in CT

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (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.