Vehicle Details
2026 Mercedes-Benz S-Class
S 500
Des Plaines, IL 60018
Is this 2026 Mercedes-Benz S-Class S 500 a good deal?
OAV verdict: Fair Price
Why: Listed at $138,730, comparable market range $123,834–$148,719, based on 10 comparable listings. Days on lot: 329 days (market average 147 days).
Market price position
$138,730 · within market range
- Regional range
- $123,834 – $148,719
- Market Retail Price (MRP™)
- $136,277
- vs. market
- $14,896 above low · $9,989 below high
- vs. MRP™
- $2,453 (2%) above MRP
- Comparable vehicles
- 10
MRP™ (Market Retail Price) is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
Similar vehicles recently sold in an estimated 18–87 days.
- This listing has been on market about 3.8x longer than typical for similar vehicles (cohort sells in 18–87 days; this one is at 329). 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 500 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: Jul 13, 2026Listed by a franchise dealer in Des Plaines, IL · On lot for 329 days · VIN verifiable at NHTSA
This new 2026 Mercedes-Benz S-Class S 500 is listed at $138,730 by autonation in Des Plaines, IL 60018. It has 8 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 10 similar vehicles in the Des Plaines market, the estimated market range is $123,834 to $148,719. The local market range in IL is $123,834 to $148,719.
This vehicle has been on the lot for 329 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 W1K6G6DB3TA354734 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
371
Average Price
$148,752
Price Range
$76,876–$343,744
Avg Days on Lot
147
Based on 371 comparable 2024-2028 Mercedes-Benz S-Class listings in IL, the average asking price is $148,752. This listing at $138,730 is $10,022 below average (7% below market). Comparable prices in IL range from $76,876 to $343,744. Similar vehicles spend an average of 147 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 500 — compare trims below)
2026 Mercedes-Benz S-Class
S 500
Des Plaines, IL
2026 Mercedes-Benz S-Class
S 500
Des Plaines, IL
2026 Mercedes-Benz S-Class
S 500
Des Plaines, IL
2026 Mercedes-Benz S-Class
S 500
Normal, IL
2026 Mercedes-Benz S-Class
S 500
Peoria, IL
2026 Mercedes-Benz S-Class
S 500
Lake Bluff, IL
2024 Mercedes-Benz S-Class
S 500
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2024 Mercedes-Benz S-Class
S 500
Orland Park, IL