2020 Mercedes-Benz X Class 3.0 CDI V6 Power

Price: £27,994. Good value: £9,068 (24%) under the AskCar estimate of £37,062, our expected asking price for this car from its model, age, mileage and specification, drawing on 85 priced Mercedes-Benz X Class adverts on AskCar as of 9 November 2026.

AskCar lists 91 used Mercedes-Benz X Class from 74 UK dealerships, as of 9 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: X Class
  • Trim: Power
  • Version: 3.0 CDI V6 Power G-Tronic+ 4WD Euro 6 4dr (254 bhp)
  • Year: 2020
  • Mileage: 34,000 miles
  • Fuel: Diesel
  • Body: Pickup, 4 doors, 5 seats
  • Engine: 3.0 litres, 254 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 230 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz X Class Power is advertised with 34,000 miles, approximately 19,700 below the typical mileage for its age. The dealer is asking £27,994, which is £9,068 below the AskCar estimate of £37,062. To work out the AskCar estimate, we analyse UK dealer adverts for 85 Mercedes-Benz X Class cars across different ages and specifications. It first appeared in our advert records 113 days ago. The seller is Harvey Wilson, based in Rossendale. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Good value: £9,068 (24%) under the AskCar estimate of £37,062.

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 85 priced Mercedes-Benz X Class adverts across different ages and specifications, as of 9 November 2026.

A 2020 Mercedes-Benz X Class with the 3.0 diesel engine is typically advertised at £31,200: the median of the 15 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2020 Mercedes-Benz X Class has been on sale for at least 113 days.

Price history

AskCar first saw this advert on 19 July 2026 at £27,994. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 19,700 miles lower than the median mileage of a 2020 Mercedes-Benz X Class on AskCar.

Similar cars

14 other 2020 Mercedes-Benz X Class Power 3.0 diesel automatic pickups are for sale at UK dealers, from £23,995 to £37,990, as of 9 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, grey. Mileage: 32,991 miles. Price: £37,990, £9,996 more than this car. Dealer: Martin Atkinson Specialist Cars in Scunthorpe. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-b291cb9a4c6b
  • 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, grey. Mileage: 45,000 miles. Price: £36,995, £9,001 more than this car. Dealer: Autoville in Chingford. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-799f0952ba7d
  • 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, white. Mileage: 46,890 miles. Price: £35,994, £8,000 more than this car. Dealer: Comptons Cars & Commercials in Billericay. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-1c3bd49163e9
  • The nearest: 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, black, 13 miles from this car. Mileage: 70,361 miles. Price: £32,994, £5,000 more than this car. Dealer: S Cars in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-24eb33f2bfc9

Browse all Mercedes-Benz X Class cars for sale · 2020 Mercedes-Benz X Class price guide

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Photos

17 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.