Vehicle Details
2009 Mercedes-Benz SL-Class
SL550
Rockville, MD 20852
Is this 2009 Mercedes-Benz SL-Class SL550 a good deal?
OAV verdict: Great Deal
Why: Listed at $18,990, comparable market range $24,420–$34,689, based on 10 comparable listings. Days on lot: 243 days (market average 144 days).
Market price position
$18,990 · $5,430 below market low
- Regional range
- $24,420 – $34,689
- vs. market low
- — $5,430 (22% below)
- Comparable vehicles
- 10
Similar vehicles recently sold in an estimated 20–73 days.
- This listing has been on market about 3.3x longer than typical for similar vehicles (cohort sells in 20–73 days; this one is at 243). 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.
Limitless Garage Inc.
Rockville, MD
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 Limitless Garage Inc. for current availability of this 2009 Mercedes-Benz SL-Class SL550 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 2009 Mercedes-Benz SL-Class
Listing updated: Jun 23, 2026Listed by an independent dealer in Rockville, MD · On lot for 243 days · VIN verifiable at NHTSA
This used 2009 Mercedes-Benz SL-Class SL550 is listed at $18,990 by limitless garage inc. in Rockville, MD 20852. It has 91,519 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 a Great Deal — priced below market value. Based on 10 similar vehicles in the Rockville market, the estimated market range is $24,420 to $34,689.
This vehicle has been on the lot for 243 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 Rockville, MD convertibles 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 SL-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 an independent dealer in Rockville, MD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WDBSK71F89F154916 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 SL-Class Market in MD
Comparable Vehicles
7
Average Price
$26,742
Price Range
$12,900–$34,689
Avg Days on Lot
144
Based on 7 comparable 2007-2011 Mercedes-Benz SL-Class listings in MD, the average asking price is $26,742. This listing at $18,990 is $7,752 below average (29% below market). Comparable prices in MD range from $12,900 to $34,689. Similar vehicles spend an average of 144 days on dealer lots in this market.
Similar Mercedes-Benz SL-Class Listings in MD
1 comparable vehicle within ±2 model years and ±30,000 miles (subject trim: SL550 — compare trims below)