2018 Mercedes-Benz CLS 2.9 CLS350d AMG Line

Overview

• Make: Mercedes-Benz
• Model: CLS
• Trim: AMG Line
• Version: 2.9 CLS350d AMG Line G-Tronic 4WD Euro 6 (s/s) 4dr Coupe (282 bhp)
• Year: 2018
• Mileage: 53,674 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres, 282 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 53,674 miles on the clock, this 2018 Mercedes-Benz CLS AMG Line has done roughly 26,100 fewer miles than a typical 2018 Mercedes-Benz CLS. Its asking price of £18,850 is £1,326 below the AskCar estimate of £20,176. To work out the AskCar estimate, we analyse UK dealer adverts for 312 Mercedes-Benz CLS cars across different ages and specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £1,550. The government's MOT record matches its advertised mileage. It is advertised by Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,326 (6%) under the AskCar estimate of £20,176.

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 312 priced Mercedes-Benz CLS adverts across different ages and specifications, as of 7 November 2026.

A 2018 Mercedes-Benz CLS with the 2.9 diesel engine is typically advertised at £20,000: the median of the 17 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz CLS has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 23 September 2026 at £20,400. Its asking price is now £18,850, £1,550 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 23 September 2026: £20,400
• 5 October 2026: £20,100
• 11 October 2026: £19,800
• 17 October 2026: £19,500
• 23 October 2026: £19,250
• 30 October 2026: £19,050
• 5 November 2026: £18,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 12 February 2027.

It has had 6 MOTs. The latest, on 13 February 2026, passed.

Advisories at the latest test: items removed from driver's view prior to test; offside front suspension arm ball joint has slight play; offside rear brake pad(s) wearing thin; and 1 more.

Mileage at that test: 51,439 miles, which matches the advertised 53,674 miles.

Advertised mileage is about 26,100 miles lower than the median mileage of a 2018 Mercedes-Benz CLS on AskCar.

Similar cars

1 other 2018 Mercedes-Benz CLS AMG Line 2.9 diesel automatic saloon is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 2018 Mercedes-Benz CLS AMG Line, 2.9 diesel saloon, black. Mileage: 44,000 miles. Price: £19,990, £1,140 more than this car. Dealer: Snippersgate in Houghton-le-Spring. AskCar page: https://askcar.co.uk/car/mercedes-benz-cls-2018-8776fff41a7f