2005 Mercedes-Benz SL-Class SL500
Vehicle Details
SL500
Pecatonica, IL 61063
Is this 2005 Mercedes-Benz SL-Class SL500 a good deal?
OAV verdict: Overpriced
Why: Listed at $13,999, comparable market range $9,995–$10,407, based on 10 comparable listings. Days on lot: 480 days (market average 209 days).
Market price position
$13,999 · $3,592 above market high
- Comparable range
- $9,995 – $10,407
- vs. market high
- + $3,592 (35% above)
- Comparable vehicles
- 10
Market Retail Price (MRP™)
$10,201This vehicle $13,999 · $3,798 (37%) above MRP
MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
True Retail Value (TRV™)
$13,636This vehicle $13,999 · $363 (3%) above TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-02) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 27–153 days.
- This listing has been available about 3.1x longer than comparable vehicles typically take to sell (cohort sells in 27–153 days; this one is at 480). Confirm its history, condition, availability, and out-the-door price before proceeding.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.
Diamond Motors
Pecatonica, 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 Diamond Motors for current availability of this 2005 Mercedes-Benz SL-Class SL500 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 2005 Mercedes-Benz SL-Class
Listing updated: Aug 2, 2026Listed by an independent dealer in Pecatonica, IL · On lot for 480 days · VIN verifiable at NHTSA
This used 2005 Mercedes-Benz SL-Class SL500 is listed at $13,999 by diamond motors in Pecatonica, IL 61063. It has 67,736 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Beige. It features a RWD drivetrain with a 5.0L V8 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 10 comparable listings matched to this vehicle, the estimated market range is $9,995 to $10,407. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).
This vehicle has been on the lot for 480 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 Pecatonica, IL 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 2005 Mercedes-Benz SL-Class against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), 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 Pecatonica, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WDBSK75F25F087475 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 within the same geographic market.
2005 Mercedes-Benz SL-Class Market in IL
IL Market Listings
34
Average Price
$16,434
Price Range
$7,495–$30,212
Avg Days on Lot
209
Based on all 34 2003-2007 Mercedes-Benz SL-Class listings in the IL market, the average asking price is $16,434. This listing at $13,999 is $2,435 below the broader IL average (15% below the IL average). This is a wider, all-trim comparison across IL; OAV's price verdict above uses the closer comparable set. Comparable prices in IL range from $7,495 to $30,212. Similar vehicles spend an average of 209 days on dealer lots in this market.
Similar Mercedes-Benz SL-Class Listings in IL
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SL500 — compare trims below)
2005 Mercedes-Benz SL-Class
SL500
Carol Stream, IL
2005 Mercedes-Benz SL-Class
SL500
Kankakee, IL
2005 Mercedes-Benz SL-Class
SL500
Chicago, IL
2004 Mercedes-Benz SL-Class
SL500
Belleville, IL
2006 Mercedes-Benz SL-Class
SL500
Naperville, IL
2003 Mercedes-Benz SL-Class
SL500
Lisle, IL
2003 Mercedes-Benz SL-Class
SL500
Melrose Park, IL
2005 Mercedes-Benz SL-Class
SL500
Elgin, IL