# Mercedes-Benz 500 SL SL 129 prices

> OttoQuest tracks asking prices and sold prices of the Mercedes-Benz 500 SL SL 129.

Trim page · 1990–1991 · data as of Nov 14, 2026 · [ottoquest.com](https://ottoquest.com/variants/mercedes-benz-500-sl-sl-129)

- For sale: 1 cars, model years 1990–1991
- Most are priced between $19,999 and $19,999, depending on model year and mileage
- Auction results on record: 3, latest Apr 20, 2026

## Price by model year

Asking prices of cars for sale now and sold prices over the last three years.

| Model year | For sale | Median asking | Sold · 3 yrs | Median sold | Middle 50% sold |
| --- | ---: | ---: | ---: | ---: | ---: |
| 1991 | 0 | — | 2 | — | — |
| 1990 | 1 | — | 1 | — | — |

## Other 500 SL trims

Each priced on its own.

| Trim | Years | For sale | Median asking |
| --- | ---: | ---: | ---: |
| [C](https://ottoquest.com/variants/mercedes-benz-500-sl-c.md) | 1980–1981 | 1 | $65,900 |
| [Rdstr](https://ottoquest.com/variants/mercedes-benz-500-sl-rdstr.md) | 1984–2006 | — | — |
| [Cvtble](https://ottoquest.com/variants/mercedes-benz-500-sl-cvtble.md) | 1990–2005 | — | — |
| [500SL](https://ottoquest.com/variants/mercedes-benz-500-sl-500sl.md) | 1992–1993 | — | — |
| [6.0 AMG](https://ottoquest.com/variants/mercedes-benz-500-sl-6-0-amg.md) | 1990–1992 | — | — |
| [AMG 6.0](https://ottoquest.com/variants/mercedes-benz-500-sl-amg-6-0.md) | 1992 | — | — |

## More

- Value a Mercedes-Benz 500 SL SL 129: https://ottoquest.com/value?model=mercedes-benz-500-sl&variant=mercedes-benz-500-sl-sl-129
- Mercedes-Benz 500 SL SL 129 for sale, with each car's market value: https://ottoquest.com/listings?variant=mercedes-benz-500-sl-sl-129
- Check one car's price: https://ottoquest.com/deal-check.md?vin=<VIN>&price=<price>&mileage=<miles> (markdown; the page is https://ottoquest.com/deal-check)
- Value a car by model, trim, year and mileage: https://ottoquest.com/value
- Free alerts for new listings and price drops: https://ottoquest.com/deals

Free with an account at https://ottoquest.com/variants/mercedes-benz-500-sl-sl-129: where it's cheaper by state, cars below market now, year-by-year days to sell, the sold-price trend and every auction result.

---

OttoQuest · [this page](https://ottoquest.com/variants/mercedes-benz-500-sl-sl-129). Prices are asking prices of cars for sale in the U.S. and recorded sold prices; a guide to the price, not to a car's condition.