Vehicle Details
2026 Mercedes-Benz S-Class
S 580
Des Plaines, IL 60018
Is this 2026 Mercedes-Benz S-Class S 580 a good deal?
OAV verdict: Fair Price
Why: Listed at $139,680, comparable market range $133,779–$166,025, based on 76 comparable listings. Days on lot: 193 days (market average 123 days).
Market price position
$139,680 · within market range
- Regional range
- $133,779 – $166,025
- vs. market
- $5,901 above low · $26,345 below high
- Comparable vehicles
- 76
Similar vehicles recently sold in an estimated 6–56 days.
What does Demand-Verified mean?
- This listing has been on market about 3.4x longer than typical for similar vehicles (cohort sells in 6–56 days; this one is at 193). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.
Autonation
Des Plaines, IL
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Autonation for current availability of this 2026 Mercedes-Benz S-Class S 580 and an out-the-door price quote (taxes, fees, addons included).
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
About This 2026 Mercedes-Benz S-Class
Listing updated: Jun 9, 2026Listed by a franchise dealer in Des Plaines, IL · On lot for 193 days · VIN verifiable at NHTSA
This new 2026 Mercedes-Benz S-Class S 580 is listed at $139,680 by autonation in Des Plaines, IL 60018. It has 6 miles on the odometer. The exterior color is Silver. It features a 4WD drivetrain with a 4.0L V8 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 76 similar vehicles in the Des Plaines market, the estimated market range is $133,779 to $166,025. The local market range in IL is $133,779 to $166,025.
This vehicle has been on the lot for 193 days.
Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).
Market context
This listing is part of OAV's broader Des Plaines, IL sedans market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.
How this deal is rated
OAV compares this 2026 Mercedes-Benz S-Class against similar vehicles currently available in the local and regional market — same make, model, and year range, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:
- Great Deal — priced below the typical range for comparable vehicles.
- 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 surface additional verification signals.
How this listing is verified
This vehicle listing was aggregated from a franchise dealer in Des Plaines, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN W1K6G7GB1TA368617 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.
2026 Mercedes-Benz S-Class Market in IL
Comparable Vehicles
452
Average Price
$149,622
Price Range
$76,485–$379,235
Avg Days on Lot
123
Based on 452 comparable 2024-2028 Mercedes-Benz S-Class listings in IL, the average asking price is $149,622. This listing at $139,680 is $9,942 below average (7% below market). Comparable prices in IL range from $76,485 to $379,235. Similar vehicles spend an average of 123 days on dealer lots in this market.
Similar Mercedes-Benz S-Class Listings in IL
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: S 580 — compare trims below)
2026 Mercedes-Benz S-Class
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2024 Mercedes-Benz S-Class
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2026 Mercedes-Benz S-Class
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2026 Mercedes-Benz S-Class
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2026 Mercedes-Benz S-Class
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