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

VINWDDUG6EB4JA365468
TrimS450
Exterior ColorSilver
DrivetrainRWD
Engine3.0L V6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot22

2018 Mercedes-Benz S-Class

S450

Unscored
$25,581105,511 mi

Rockville, MD 20850

Is this 2018 Mercedes-Benz S-Class S450 a good deal?

OAV verdict: Unscored

Why: Listed at $25,581, comparable market range $22,444–$32,779, based on 6 comparable listings. Days on lot: 22 days (market average 108 days).

Market price position

22,444
32,779
25,581

$25,581 · within market range

$22,444comparable$32,779
Regional range
$22,444 – $32,779
vs. market
$3,137 above low · $7,198 below high
Comparable vehicles
6
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1864 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Regional Range$22,444 – $32,779

Membercar

Rockville, MD

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OAV will route your inquiry to Membercar for current availability of this 2018 Mercedes-Benz S-Class S450 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 2018 Mercedes-Benz S-Class

Listing updated: Jun 4, 2026

Listed by an independent dealer in Rockville, MD · On lot for 22 days · VIN verifiable at NHTSA

This used 2018 Mercedes-Benz S-Class S450 is listed at $25,581 by membercar in Rockville, MD 20850. It has 105,511 miles on the odometer. The exterior color is Silver. It features a RWD drivetrain with a 3.0L V6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 6 similar vehicles in the Rockville market, the estimated market range is $22,444 to $32,779.

This vehicle has been on the lot for 22 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 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 2018 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 Rockville, MD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WDDUG6EB4JA365468 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.

2018 Mercedes-Benz S-Class Market in MD

Comparable Vehicles

50

Average Price

$47,295

Price Range

$20,995–$89,900

Avg Days on Lot

108

Based on 50 comparable 2016-2020 Mercedes-Benz S-Class listings in MD, the average asking price is $47,295. This listing at $25,581 is $21,714 below average (46% below market). Comparable prices in MD range from $20,995 to $89,900. Similar vehicles spend an average of 108 days on dealer lots in this market.

Similar Mercedes-Benz S-Class Listings in MD

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: S450 — compare trims below)