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This car has been superseded by a newer model, click here to go to the latest Mercedes-Benz SLK Roadster (11-16) review.

View all Mercedes-Benz SLK reviews
Parkers overall rating: 4 out of 5 4.0
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Running costs

4 out of 5 4.0

Mercedes-Benz maintenance is expensive, but it's essential if you want to keep its value. This will be repaid by strong residuals, even though it has just been replaced by a new and rather better model. Fuel economy isn't bad, especially on the smaller engined, supercharged models.

Estimated fuel cost per year

Fuel type Pence per litre Estimated cost per year *
Unleaded 128p £1,877 - £2,425 *

* The estimated fuel cost figure is based on an annual mileage of 10,000 miles and is a guide to how much this model will cost in fuel each year. It's calculated using the model's average MPG (calculated from both town centre and motorway driving) and the average fuel price from around the country. Actual fuel costs will vary based on driving style and road conditions.

Ongoing running costs

Servicing period Every 9,000 miles
Warranty Mechanical 3 yrs (1 yr to '99) + 30 yrs Care Plan
Road tax (12 months) £255 - £315
See tax rates for all versions
Insurance group 32 - 37
How much is it to insure?

Vehicle excise duty (VED) varies according to the CO2 emissions and the fuel type of the vehicle. For cars registered before 01 March 2001 it is based on engine size. For cars registered on or after 01 March 2001 the VED or road tax is based on the car's CO2 emissions.

Green credentials

1.5 out of 5 1.5

SLK is a polluting model. With an average of 247 g/km CO2 across the range, its emissions are quite high for a sports roadster. It's worth noting that the line-up does not feature any diesel models, which typically produce less carbon dioxide than petrol engines with similar power outputs. The range is quite thirsty, averaging 27 mpg.

Highest and lowest CO2 emissions

Engine CO2 emissions Road tax (12 months)
230 Kompressor Petrol 220 g/km (Min) £255
320 Petrol 274 g/km (Max) £255 - £315

Reliability

5 out of 5 5.0

It's a Mercedes-Benz – build quality is peerless and reliability almost unrivalled. Especially impressive when you see that wonderfully complex folding roof mechanism working.

Car checklist problem points

Body Damage by weather or vandals.
Engine / gearbox No faults so far.
Other Hood mechanism.