2009 Mercedes-Benz SLK 1.8 SLK200K

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 1.8 SLK200K Tiptronic RWD Euro 4 2dr (181 bhp)
• Year: 2009
• Mileage: 74,340 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 181 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 196 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

This 2009 Mercedes-Benz SLK is advertised with 74,340 miles, approximately 5,500 above the typical mileage for its age. Priced at £4,495, it is advertised £312 below the AskCar estimate of £4,807. The AskCar estimate uses UK dealer asking prices, including 417 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 18 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Allwood Automobiles in Waltham Cross. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £312 (6%) under the AskCar estimate of £4,807.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 417 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 8 November 2026.

A 2009 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £6,000: the median of the 12 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2009 Mercedes-Benz SLK has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 21 October 2026 at £4,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 12 August 2027.

It failed its MOT on 27 July 2026 (offside front tyre has ply or cords exposed worn to cords; nearside front coil spring fractured or broken; brake pipe excessively corroded front to rear pipes; and 1 more) and passed 17 days later, on 13 August 2026.

Advisories at the latest test: nearside front jacking point block missing; nearside front tyre slightly damaged/cracking or perishing wearing off on inner edge; nearside rear tyre slightly damaged/cracking or perishing; and 2 more.

Mileage at that test: 73,784 miles, which matches the advertised 74,340 miles.

Advertised mileage is about 5,500 miles higher than the median mileage of a 2009 Mercedes-Benz SLK on AskCar.