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United States market

Mercedes-Benz SL (R129)

1989–2001

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  • Lowest price

    US$3,100

    Since 2020

  • Median price

    US$19,750

    Since 2020 · n=83

  • Highest price

    US$63,500

    Since 2020

  • Sold cars

    83

    All time

  • Sell-through

    100%

    Of 83 lots

Mercedes-Benz SL

Based on 83 verified auction results

HOLDStablehigh confidence

US$19,000

Market value · recent verified sales

+2.5%

12-month change

Fair Entry

Stable prices. Negotiate on spec and condition.

Prices have been flat (+2.5%). No strong directional signal.

MSRP

—

Collectibility

3/10

Modest Demand

3-Year Forecast

US$19,000

+0%

5-Year Forecast

US$19,000

+0%

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Market scores

63

Desirability

Moderate

55

Liquidity

Moderate

50

Resale Outlook

Option premiums

What every option is worth.

  • Sunroof / glass roof

    +US$3,395+17%

    6 with · 137 without · med confidence

  • Built ≤ 1998

    −US$1,580-8%

    78 with · 50 without · high confidence

  • Hardtop included

    −US$1,574-8%

    46 with · 97 without · high confidence

Premiums compare the median price of sales with each option against comparable sales without it, mined from verified auction listings. Prices are adjusted to the model's median mileage before comparing. Sales are pooled across markets on a relative-price basis, so exchange rates and market levels can't skew the split. Options interact in ways a one-at-a-time split can’t capture — treat each premium as directional rather than gospel.

Marque analyst note

The Mercedes-Benz SL R129 has settled at a median price of $19,000 in the US market, with a modest year-over-year gain of 2.5 percent over the past twelve months. The HOLD signal reflects stability rather than momentum, suggesting the model has found an equilibrium in the collector space.

Trading activity remains measured, with 29 transactions recorded over the past year from a broader tracked sample of 83 sales. This moderate liquidity level indicates reliable availability for buyers but without the depth that would support sharp price appreciation. Five active listings currently on market suggest steady dealer and private inventory.

The R129 generation carries modest collectibility scoring despite a relatively large production run of over 213,000 units. Desirability remains high among enthusiasts, particularly for well-maintained examples, though the broad production volume constrains scarcity value and typical price caps. Condition and mileage variation significantly influence individual car valuations within the model class.

Average mileage on transacted examples sits near 50,200 miles, pointing toward well-preserved or lightly-used specimens entering the secondary market. This figure suggests the model appeals to owners seeking accessible classics with manageable wear rather than pristine investment-grade machines.

Base projections model flat pricing through both the three- and five-year outlook, with values holding steady at $19,000. The stability forecast reflects the R129's established position as a stable modern classic without the scarcity drivers or enthusiast infrastructure needed to command appreciation. Buyers and sellers should expect continued supply-demand balance at current market levels.

Depreciation Benchmark

  • Current avg valueUS$19,000
  • Annual appr. rate+2.5%/yr

Vehicle History Signals

  • Auction lots tracked188
  • Damage or salvage declared0 (0.0%)
  • No damage declared188 (100.0%)
No damage or salvage declarations found in the titles and descriptions of the auction lots we track for this model. That's a good sign, not a guarantee — always commission a professional inspection and history check before buying.

Est. Annual Ownership Costs

  • Insurance (agreed value)US$600
  • MaintenanceUS$1,210
  • StorageUS$3,220
  • Depreciation— (appreciating)
  • Total annual costUS$5,030
This car has historically appreciated — carrying cost is offset by value growth, not eroded by depreciation.

For sale now · 5 live

All live deals

Market Liquidity

  • Active Listings5
  • Sales Last 12 Months83
  • Sell-Through100%

Market Snapshot

  • Active Listings5
  • Avg Sale PriceUS$22,682
  • Avg Mileage at Sale50,223 mi
  • Recent Price RangeUS$3,100 – US$63,500
  • Total Sales Tracked83

Recent sales

Showing latest 20
  • US$26,250

    Bring a Trailer · 9 Oct 2026

  • US$45,500

    Bring a Trailer · 6 Oct 2026

  • US$10,250

    Bring a Trailer · 3 Oct 2026

  • US$27,500

    Bring a Trailer · 2 Oct 2026

  • US$13,500

    Bring a Trailer · 30 Sept 2026

  • US$9,600

    cars-and-bids · 28 Sept 2026

  • US$39,750

    Bring a Trailer · 27 Sept 2026

  • US$10,450

    mecum · 26 Sept 2026

  • US$8,800

    mecum · 26 Sept 2026

  • US$50,000

    Bring a Trailer · 26 Sept 2026

Common questions

What is a Mercedes-Benz SL (R129) worth in 2026?

The current United States market median is US$19,000, based on 29 verified auction sales. Recent sales ranged from US$3,100 to US$63,500.

Is the Mercedes-Benz SL (R129) going up in value?

Over the last 12 months its United States median moved +2.5%. Past movement is not a guarantee of future value.

How many Mercedes-Benz SL (R129)s are for sale right now?

We track 5 live auction listings for this model right now — each priced against the market median on this page.

Indicative only — not investment advice. Past performance is not a reliable indicator of future value.