
Vehicle Details
2021 Mercedes-Benz GLB
Base
Marlborough, MA 01752
Is this 2021 Mercedes-Benz GLB Base a good deal?
OAV verdict: Overpriced
Why: Listed at $30,085, comparable market range $19,800–$29,990, based on 44 comparable listings. Days on lot: 240 days (market average 27 days).
Market price position
$30,085 · $95 above market high
- Regional range
- $19,800 – $29,990
- vs. market high
- + $95 (0% above)
- Comparable vehicles
- 44
Similar vehicles recently sold in an estimated 12–57 days.
- This listing has been on market about 4.2x longer than typical for similar vehicles (cohort sells in 12–57 days; this one is at 240). 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.
Dealer Info
Marlborough, MA
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About This 2021 Mercedes-Benz GLB
Listing updated: May 18, 2026Listed by an independent dealer in Marlborough, MA · On lot for 240 days · VIN verifiable at NHTSA
This used 2021 Mercedes-Benz GLB Base is listed at $30,085 by an independent dealer in Marlborough, MA 01752. It has 39,303 miles on the odometer. The exterior color is Red. It features a 4WD drivetrain with a 2.0L I4 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 44 similar vehicles in the Marlborough market, the estimated market range is $19,800 to $29,990.
This vehicle has been on the lot for 240 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 Marlborough, MA suvs 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 2021 Mercedes-Benz GLB 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.
This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.
How this listing is verified
This vehicle listing was aggregated from an independent dealer in Marlborough, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN W1N4M4HB1MW142842 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.
2021 Mercedes-Benz GLB Market in MA
Comparable Vehicles
283
Average Price
$28,647
Price Range
$15,995–$35,497
Avg Days on Lot
27
Based on 283 comparable 2019-2023 Mercedes-Benz GLB listings in MA, the average asking price is $28,647. This listing at $30,085 is $1,438 above average (5% above market). Comparable prices in MA range from $15,995 to $35,497. Similar vehicles spend an average of 27 days on dealer lots in this market.
Similar Mercedes-Benz GLB Listings in MA
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Base — compare trims below)

2022 Mercedes-Benz GLB
Base
Framingham, MA

2023 Mercedes-Benz GLB
Base
Newton, MA

2020 Mercedes-Benz GLB
Base
Easton, MA

2021 Mercedes-Benz GLB
Base
Framingham, MA

2023 Mercedes-Benz GLB
Base
Dedham, MA

2023 Mercedes-Benz GLB
Base
Newton, MA
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2023 Mercedes-Benz GLB
Base
Auburn, MA
W1N4M4HB1PW292664/W1N4M4HB1PW292664--01.jpg?ver=1778189546)
2023 Mercedes-Benz GLB
Base
Danvers, MA