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Mercedes SLK350 used • 30 cars price-checked by AutoUncle

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How much does the Mercedes SLK350 depreciate?

Used Mercedes SLK350

A used Mercedes SLK350 (2005) model gains about £88 per month in value.


Factors that affect the appreciation of a Mercedes SLK350:
- 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 SLK350. In addition to the monthly appreciation of £88, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly value.

How much does a used Mercedes SLK350 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes SLK350 cost? Prices, ratings and depreciation by model year

Model year

Typical price range*

Average price

Price trend / depreciation
(last 12 months)

Cars for sale

2015 Mercedes SLK350

£16,695 - £16,695£16,695-1

2014 Mercedes SLK350

£13,995 - £13,995£13,995-1

2013 Mercedes SLK350

£9,350 - £9,499£9,425-2

2012 Mercedes SLK350

£6,999 - £15,995£10,664-4

2011 Mercedes SLK350

£10,000 - £10,000£10,000-1

2010 Mercedes SLK350

- - ----

2009 Mercedes SLK350

£3,999 - £5,890£4,945-2

2008 Mercedes SLK350

£5,995 - £8,995£7,495-2

2007 Mercedes SLK350

£2,695 - £2,695£2,695-1

2006 Mercedes SLK350

£2,250 - £4,990£3,666-5

2005 Mercedes SLK350

£3,450 - £9,995£5,362+£1,0609

*The 'Typical 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

Mercedes SLK350 (model year 2005) - Price development for the last 12 months and price projection for the next 6 months (October 2024 - March 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2024 - October
£4,540
£3,740£5,320
Estimate
2024 - November
£4,560
£3,740£5,380
Estimate
2024 - December
£4,940
£3,500£6,380
Estimate
2025 - January
£5,340
£4,080£6,620
Estimate
2025 - February
£4,940
£3,820£6,080
Estimate
2025 - March
£4,700
£3,820£5,580
Estimate
2025 - April
£5,000
£3,760£6,240
Estimate
2025 - May
£5,080
£3,540£6,620
Estimate
2025 - June
£5,440
£3,940£6,920
Estimate
2025 - July
£5,480
£4,180£6,760
Estimate
2025 - August
£5,140
£3,860£6,400
Estimate
2025 - September
£5,600
£4,120£7,060
Estimate
2025 - November
£5,820
--
Forecast
2025 - December
£5,940
--
Forecast
2026 - January
£6,060
--
Forecast
2026 - February
£6,180
--
Forecast
2026 - March
£6,300
--
Forecast

All estimates and forecasts are based on actual market data

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

£1,060

Next 6 months

£700

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Price checked by AutoUncle

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On the hunt for a used Mercedes SLK350?

Are you considering buying a used sports car? Then the Mercedes SLK350 is a great decision. There are 35 used Mercedes SLK350s currently available on AutoUncle, each one sourced from an online marketplace or dealership website.

What is the used car price of the Mercedes SLK350?

Currently, the prices for a pre-owned Mercedes SLK350 start at £1,995 and go up to £14,995.

The used car price of an Mercedes SLK350 is determined by a number of factors, the most important of which are manufacturing year, engine size and power, the car's fuel consumption, the car's mileage not to mention the vehicle's equipment variant.

For instance, a car that is newer and has fewer miles on the clock will typically command a higher price. In the same vein, models at the higher end, replete with luxurious features or more robust engines, generally come with a more substantial price tag than a car from an older model year, with higher mileage and no optional extras.

What versions of the Mercedes SLK350 are available based on equipment?

When assessing the price tags of second-hand Mercedes SLK350 cars, it is crucial only comparing the sale prices of cars with a similar engine and trim level. If you don't, you could end up reaching a wrong conclusion on which car to acquire.

What are the fuel options for the Mercedes SLK350?

Petrol is the foremost fuel option for the Mercedes SLK350.

We strongly advise considering your driving habits prior to choosing among the various fuel types. On average, how many miles do you travel in a week? Do you frequently make short journeys or are your trips generally long?

Electric, plug-in hybrid and petrol work well for short trips. If you drive long distances on a daily basis, an electric car is good - especially if you can charge at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Diesel cars can still make sense if you drive very far and don't have access to charging. Remember that diesel engines with high emissions are prohibited from entering cities in various countries.

Which different body types does the Mercedes SLK350 come in?

On AutoUncle, the Mercedes SLK350 is exclusively offered in the cabriolet body style. Cabrios and convertibles give the driving experience a new dimension. Thanks to their excellent hoods and weather gear, most models are fit for year-round use these days. Thickener is applied underneath the car to strengthen the chassis in lieu of a roof, which means that convertibles have a tendency to be heavier than normal cars.

What are the obvious competitors for the Mercedes SLK350?

There exist some similar cars to the Mercedes SLK350.

Recommended alternatives to the Mercedes SLK350

  • BMW 420
  • Audi TT
  • Mazda MX5

The BMW 420 is a top choice when looking for an alternative to the Mercedes SLK350. With an average sale price of £16,785 you can currently find 1,572 of these cars available for sale on AutoUncle.

Another alternative car is the Audi TT with 918 cars for sale at the moment and with an average sales price of £12,995. The Mazda MX5 comes in as the third most popular choice with an average sales price of £14,000 and 538 car for sale at the moment in the UK.

Contemplating the switch to an electric vehicle?

Not fixed on the Mercedes SLK350? Here are some electric options in the same segment::

Still no luck finding your preferred electric car? Review our entire selection of electric cars here.

All body types for Mercedes SLK350

All fuel types for Mercedes SLK350

All years for Mercedes SLK350

All gear types for Mercedes SLK350

All trim level for Mercedes SLK350