As of May 2026, the Mercedes-Benz SEC (C126) market has 26 active listings across 14 marketplaces tracked by CarSearch.Pro. The median asking price is $16,900, with the middle 50% of listings priced between $8,900 and $27,000. Mercedes-Benz SEC (C126) prices have increased 53.8% over the past quarter, from a median sale price of $8,777 to $13,500.
The typical Mercedes-Benz SEC (C126) on the market has 135,675 miles.
A fair price for a Mercedes-Benz SEC (C126) in May 2026 is between $8,900 and $27,000 (25th to 75th percentile). Prices range from $1,700 to $34,900 across 26 active listings.
| Percentile | Price | Meaning |
|---|---|---|
| 10th | $1,700 | Budget / project cars |
| 25th | $8,900 | Below average price |
| Median (50th) | $16,900 | Typical market price |
| 75th | $27,000 | Above average / premium |
| 90th | $34,900 | Top tier / low miles / rare spec |
The average asking price is $18,328, which is higher than the median, indicating that high-priced outliers (rare specifications, very low mileage, or concours-quality examples) pull the average up.
| Mileage Range | Listings | Median Price |
|---|---|---|
| 25,000 - 50,000 mi | 2 | $7,999 |
| 50,000 - 100,000 mi | 6 | $25,000 |
| 100,000 - 150,000 mi | 9 | $25,000 |
| Over 150,000 mi | 8 | $16,900 |
Mercedes-Benz SEC (C126) prices have increased 53.8% over the past quarter. In 2025-Q4, the median sale price was $13,500 across 1 sales, up from $8,777 in 2025-Q3.
On a year-over-year basis, Mercedes-Benz SEC (C126) prices are down 50.2% ($13,500 vs. $27,084 a year ago).
| Quarter | Sales | Median Price | Average Price |
|---|---|---|---|
| 2023-Q2 | 5 | $15,000 | $16,679 |
| 2023-Q3 | 7 | $12,850 | $13,537 |
| 2023-Q4 | 7 | $16,761 | $77,654 |
| 2024-Q1 | 6 | $27,084 | $236,352 |
| 2024-Q2 | 1 | $32,611 | $32,611 |
| 2024-Q4 | 1 | $23,000 | $23,000 |
| 2025-Q3 | 2 | $8,777 | $5,704 |
| 2025-Q4 | 1 | $13,500 | $13,500 |
The 1983 Mercedes-Benz SEC (C126) offers the best value with a median price of $1,700 across 3 listings. The most expensive model year is 1987 at a median of $34,900.
| Year | Listings | Median Price | Min | Max |
|---|---|---|---|---|
| 1982 | 1 | $8,900 | $8,900 | $8,900 |
| 1983 | 3 | $1,700 | $1,700 | $7,999 |
| 1984 | 3 | $25,000 | $10,000 | $25,000 |
| 1985 | 1 | $7,950 | $7,950 | $7,950 |
| 1986 | 3 | $9,000 | $9,000 | $9,990 |
| 1987 | 4 | $34,900 | $12,500 | $45,000 |
| 1988 | 3 | $12,900 | $600 | $47,000 |
| 1989 | 7 | $27,000 | $8,500 | $30,000 |
| 1991 | 1 | $16,900 | $16,900 | $16,900 |
The highest concentration of Mercedes-Benz SEC (C126) listings is in CA with 8 active listings, followed by NY (3), FL (3), WA (3), IL (2).
Regional pricing varies significantly. The lowest median price is in NY at $7,999, while FL has the highest at $27,500. Buyers willing to travel or arrange transport may find savings of $19,501.
| State | Listings | Median Price |
|---|---|---|
| CA | 8 | $9,000 |
| NY | 3 | $7,999 |
| FL | 3 | $27,500 |
| WA | 3 | $22,500 |
| IL | 2 | $47,000 |
| TX | 2 | $25,000 |
| MI | 1 | $8,500 |
| LA | 1 | $8,900 |
| CO | 1 | $12,500 |
Ready to start shopping? Browse all 26 Mercedes-Benz SEC (C126) listings with AI quality scores, or get a free AI appraisal on a specific listing.
Data sourced from 2 marketplaces including eBay Motors, Bring a Trailer, Cars & Bids, AutoTrader, CarGurus, Cars.com, Facebook Marketplace, Classic.com, and Hagerty Marketplace. Updated daily by CarSearch.Pro's automated pipeline. Browse all 26 active Mercedes-Benz SEC (C126) listings.