2018 Mercedes-Benz CLS 2.9 CLS350d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: CLS
• Trim: AMG Line Premium Plus
• Version: 2.9 350 d AMG Line Premium Plus 9G-Tronic 4WD Euro 6 4dr (281 bhp)
• Year: 2018
• Mileage: 38,543 miles
• Fuel: Diesel
• Body: Coupe, 4 doors, 5 seats
• Engine: 2.9 litres, 281 bhp
• Gearbox: Automatic (9G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz CLS AMG Line Premium Plus is advertised with 38,543 miles, approximately 41,300 below the typical mileage for its age. The AskCar estimate for this car is £24,802. It is priced at £22,500, which is £2,302 below that estimate. The AskCar estimate draws on 310 Mercedes-Benz CLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 10 days ago, the asking price has dropped by £200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall Nissan Grantham, based in Grantham. 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

Good value: £2,302 (9%) under the AskCar estimate of £24,802.

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 310 priced Mercedes-Benz CLS adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2018 Mercedes-Benz CLS has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 29 October 2026 at £22,700. Its asking price is now £22,500, £200 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 29 October 2026: £22,700
• 6 November 2026: £22,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 17 July 2027.

It failed its MOT on 23 June 2026 (nearside front suspension arm ball joint excessively worn spring link) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 37,256 miles, which matches the advertised 38,543 miles.

Advertised mileage is about 41,300 miles lower than the median mileage of a 2018 Mercedes-Benz CLS on AskCar.

Similar cars

4 other 2018 Mercedes-Benz CLS AMG Line Premium Plus 2.9 diesel automatic coupes are for sale at UK dealers, from £15,595 to £20,885, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz CLS AMG Line Premium Plus, 2.9 diesel coupe, black. Mileage: 63,680 miles. Price: £20,885, £1,615 less than this car. Dealer: LSH Auto Mercedes-Benz of Tamworth in Tamworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-cls-2018-3fa805100990
• 2018 Mercedes-Benz CLS AMG Line Premium Plus, 2.9 diesel coupe, blue. Mileage: 82,879 miles. Price: £18,699, £3,801 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/mercedes-benz-cls-2018-cb79f3d4a887
• 2018 Mercedes-Benz CLS AMG Line Premium Plus, 2.9 diesel coupe, silver. Mileage: 97,045 miles. Price: £16,440, £6,060 less than this car. Dealer: Evans Halshaw Vauxhall York in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-cls-2018-0504fe8c417f

• The nearest: 2018 Mercedes-Benz CLS AMG Line Premium Plus, 2.9 diesel coupe, black, 45 miles from this car. Mileage: 190,000 miles. Price: £15,595, £6,905 less than this car. Dealer: Noah's Automotive in Nuneaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-cls-2018-49d136f1055e