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

VINWDDNG71X69A244366
TrimS550
Exterior ColorBlack
DrivetrainRWD
Engine5.5L V8
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot934

2009 Mercedes-Benz S-Class

S550

Unscored
$11,500180,000 mi

Houston, TX 77063

Is this 2009 Mercedes-Benz S-Class S550 a good deal?

OAV verdict: Unscored

Why: Listed at $11,500, comparable market range $4,995–$16,995, based on 5 comparable listings. Days on lot: 934 days (market average 224 days).

Market price position

4,995
16,995
11,500

$11,500 · within market range

$4,995comparable$16,995
Regional range
$4,995 – $16,995
vs. market
$6,505 above low · $5,495 below high
Comparable vehicles
5
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 18122 days.

Verify before inquiring
  • This listing has been on market about 7.7x longer than typical for similar vehicles (cohort sells in 18–122 days; this one is at 934). 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.

Local Range$4,995 – $4,995
Regional Range$4,995 – $16,995

Dealer Info

Hidden
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Houston, TX

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About This 2009 Mercedes-Benz S-Class

Listing updated: May 22, 2026

Listed by an independent dealer in Houston, TX · On lot for 934 days · VIN verifiable at NHTSA

This used 2009 Mercedes-Benz S-Class S550 is listed at $11,500 by an independent dealer in Houston, TX 77063. It has 180,000 miles on the odometer. The exterior color is Black. It features a RWD drivetrain with a 5.5L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 5 similar vehicles in the Houston market, the estimated market range is $4,995 to $16,995. The local market range in TX is $4,995 to $4,995.

This vehicle has been on the lot for 934 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 Houston, TX 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 2009 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:

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 an independent dealer in Houston, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WDDNG71X69A244366 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.

2009 Mercedes-Benz S-Class Market in TX

Comparable Vehicles

74

Average Price

$12,392

Price Range

$4,995–$32,999

Avg Days on Lot

224

Based on 74 comparable 2007-2011 Mercedes-Benz S-Class listings in TX, the average asking price is $12,392. This listing at $11,500 is $892 below average (7% below market). Comparable prices in TX range from $4,995 to $32,999. Similar vehicles spend an average of 224 days on dealer lots in this market.

Similar Mercedes-Benz S-Class Listings in TX

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: S550 — compare trims below)