2011 Mercedes-Benz SLK 1.8 AMG Sport Edition 125

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: AMG Sport Edition 125
• Version: 1.8 AMG Sport Edition 125 Auto RWD Euro 5 2dr
• Year: 2011
• Mileage: 84,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 151 g/km
• Emissions standard: Euro 5, ULEZ compliant

About this car

This 2011 Mercedes-Benz SLK AMG Sport Edition 125 has covered 84,000 miles, around 14,000 more miles than is typical for its age. Priced at £5,495, it is advertised £999 below the AskCar estimate of £6,494. The AskCar estimate draws on 405 Mercedes-Benz SLK adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 87 days. Its advertised mileage matches the government's MOT record. It is for sale at Roberts Car Sales North West in Flintshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £999 (15%) under the AskCar estimate of £6,494.

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 405 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 6 November 2026.

A 2011 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £7,400: the median of the 29 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2011 Mercedes-Benz SLK has been on sale for at least 87 days.

Price history

AskCar first saw this advert on 11 August 2026 at £5,495. 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 6 November 2026: valid until 16 April 2027.

It failed its MOT on 16 April 2026 (nearside front anti-roll bar ball joint dust cover no longer prevents the ingress of dirt; offside front anti-roll bar ball joint dust cover no longer prevents the ingress of dirt; rear coil spring fractured or broken; and 1 more) and passed 1 day later, on 17 April 2026.

There were no advisories at the latest test.

Mileage at that test: 84,330 miles, which matches the advertised 84,000 miles.

Advertised mileage is about 14,000 miles higher than the median mileage of a 2011 Mercedes-Benz SLK on AskCar.

Similar cars

15 other 2011 Mercedes-Benz SLK AMG Sport Edition 125 1.8 petrol automatic convertibles are for sale at UK dealers, from £4,800 to £9,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2011 Mercedes-Benz SLK AMG Sport Edition 125, 1.8 petrol convertible, black. Mileage: 85,300 miles. Price: £6,150, £655 more than this car. Dealer: Ready Car Sales in Woking. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2011-d15e540f654e
• 2011 Mercedes-Benz SLK AMG Sport Edition 125, 1.8 petrol convertible, blue. Mileage: 79,000 miles. Price: £7,495, £2,000 more than this car. Dealer: Radlett Cars in Radlett. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2011-450e9328b919
• 2011 Mercedes-Benz SLK AMG Sport Edition 125, 1.8 petrol convertible, white. Mileage: 91,476 miles. Price: £6,649, £1,154 more than this car. Dealer: Convertibles and 4x4's in Bracknell. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2011-9b509a7a94ea

• The nearest: 2011 Mercedes-Benz SLK AMG Sport Edition 125, 1.8 petrol convertible, black, 40 miles from this car. Mileage: 42,098 miles. Price: £9,999, £4,504 more than this car. Dealer: Quality Cars Uk in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2011-d03a59ca75bf