Used (2003) Mercedes SLK230 | Super price
SLK **MAKE US AN OFFER!!**2.3
- 2003
- 64,707 miles
- 2.3L Petrol
- Cabriolet
- Automatic
- Details
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Price checked by AutoUncle
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Good price
Fair price
A bit pricey
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SLK **MAKE US AN OFFER!!**2.3
Super price
2dr Auto 2.3
Good price
2dr Auto 2.3
Good price
SLK 2.3
Good price
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SLK 2dr Auto
Fair price
SLK 2dr Tip Auto
Fair price
SLK 2dr Tip Auto
Fair price
SLK-Class2dr Tip Auto Rare Blue
Fair price
SLK 2dr Auto
Fair price
SLK 2.3 Kompressor
Fair price
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SLK2dr Auto
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
2dr Auto 2.3
Fair price
Featured deals
SLK 2.3
Fair price
2dr Auto 2.3
A bit pricey
2dr Auto 2.3
A bit pricey
2dr Auto 2.3
A bit pricey
2dr Auto 2.3
A bit pricey
Featured deals
Used Mercedes SLK230
Factors that affect the appreciation of a Mercedes SLK230:
- Mileage
- Age of the vehicle
- Number of previous owners
- Accidents or damage history
- Trim level, equipment, and options
Appreciation is an important part of calculating the total value of owning a Mercedes SLK230. In addition to the monthly appreciation of £3, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly value.
No market data available
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2025 - March | £3,400 | £2,900 | £3,880 | Estimate |
| 2025 - April | £3,400→ | £2,900 | £3,880 | Estimate |
| 2025 - May | £3,380↘ | £2,900 | £3,860 | Estimate |
| 2025 - June | £3,500↗ | £3,060 | £3,920 | Estimate |
| 2025 - July | £3,480↘ | £3,020 | £3,940 | Estimate |
| 2025 - August | £3,460↘ | £3,020 | £3,880 | Estimate |
| 2025 - September | £3,440↘ | £2,980 | £3,880 | Estimate |
| 2025 - October | £3,420↘ | £2,960 | £3,880 | Estimate |
| 2025 - November | £3,420→ | £3,000 | £3,860 | Estimate |
| 2025 - December | £3,400↘ | £2,980 | £3,840 | Estimate |
| 2026 - January | £3,420↗ | £3,020 | £3,840 | Estimate |
| 2026 - February | £3,440↗ | £3,040 | £3,840 | Estimate |
| 2026 - April | £3,440→ | - | - | Forecast |
| 2026 - May | £3,440→ | - | - | Forecast |
| 2026 - June | £3,440→ | - | - | Forecast |
| 2026 - July | £3,440→ | - | - | Forecast |
| 2026 - August | £3,440→ | - | - | Forecast |
All estimates and forecasts are based on actual market data
Last updated: 14 March 2026
Average Monthly Depreciation
A summary of the past 12 and an estimation of the next 6 months.
Past 12 months
£40
Next 6 months
£0
Price checked by AutoUncle
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Good price
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A bit pricey
Expensive
Are you thinking of purchasing a used sports car? Look no further than the Mercedes SLK230 - an excellent choice! AutoUncle present 98 options sourced from numerous dealership websites and online marketplaces.
A used Mercedes SLK230 costs between £2,295 for the cheapest variant and £5,490 for the most expensive model.
A used Mercedes SLK230 is being offered at different prices determined by mainly five factors: manufacturing year, engine size and power, the car's fuel consumption, mileage along with equipment variant.
For example, a newer model with low mileage or a premium version equipped with a high-performance engine generally demands a higher price than, for example, an older car without special equipment and with many kilometres behind it.
The Mercedes SLK230 is only available in one trim level, the Mercedes SLK230 Edition.
When examining the market value of a used Mercedes SLK230, it's imperative to analyze vehicles having the same engines and equipment. If not, you might draw an inaccurate conclusion about which car to buy.
Petrol is the singular fuel variant for the Mercedes SLK230. We currently offer ninety-eight cars at an average price of £3,549.
We strongly advise considering your driving habits prior to choosing among the various fuel types. How many miles do you typically drive each week? Are your drives mostly short trips, or do you tend to embark on longer routes?
If you primarily drive short distances, electric, plug-in hybrid or petrol is typically a good fit. For longer commutes, a newer electric car is a good alternative - especially with access to charging. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. Note that in some countries, high-emission diesel engines have been banned from entering certain cities.
The Mercedes SLK230 is only offered in the cabriolet body type in the UK. Cabrios and convertibles elevate the driving experience, offering an open-air thrill. Nowadays, many cabrios are suitable for year-round driving due to their high-quality hoods and weatherproofing. However, it's worth noting that convertibles tend to be heavier than standard cars. The absence of a roof often necessitates additional reinforcement to the undercarriage to bolster the chassis.
The Mercedes SLK230 has several competitors from the same segment.
Recommended alternatives to the Mercedes SLK230
With a current inventory of 1,491 available models on AutoUncle, the BMW 420 stands out as the top alternative to the Mercedes SLK230. On average, the BMW 420 costs £18,198.
Another alternative car is the Audi TT with 949 cars currently for sale with an average sales price of £13,199. The Mazda MX5 is the third best alternative. There are currently 556 of this car for sale in the UK with an average sales price of £15,000.
If the Mercedes SLK230 not is your definitive choice then, we can provide several electric vehicle alternatives of the same car segment, the S-segment. The list includes:
Haven't spotted the perfect electric car yet? Examine our full lineup of electric cars here.