Avg. price
£30,892
Cars found
2
Depreciation
-
Avg. sale time
33 days
Price checked by AutoUncle
Price checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive
SL Class AMG Line Premium 2dr
Super price
Dealer
SL-Class Edition 2dr 9G-Tronic
Fair price
Buyacar
Featured deals
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2018 Mercedes SL400 | £29,087 - £40,890 | £36,286 | 34,000 miles | - | < 10 |
2017 Mercedes SL400 | £28,553 - £34,891 | £32,311 | 55,000 miles | - | < 10 |
2015 Mercedes SL400 | £18,828 - £25,725 | £22,374 | 57,000 miles | - | < 10 |
*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market
The data is based on the cars currently listed on AutoUncle
Last updated: 17 July 2026
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
Mercedes SL400 AMG line | £28,855 - £39,244 | £34,232 | 44,500 miles | - | < 10 |
Mercedes SL400 AMG Line Premium | £28,466 - £40,269 | £34,216 | 47,700 miles | - | < 10 |
💰 The budget choice Mercedes SL400 AMG | £18,995 - £26,047 | £22,636 | 54,300 miles | +£2,360 | 11 |
*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market
The data is based on the cars currently listed on AutoUncle
Last updated: 17 July 2026
The AMG is the cheapest entry point with an average price of £22,636.
There are the most AMG for sale right now (11), which gives you the most options to choose from.
The AMG has held its price stable with minimal loss in value over the past year (+£2,360).
Price checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive
