2020 Mercedes-Benz X Class 3.0 CDI V6 Power

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: 32,991 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

With 32,991 miles on the clock, this 2020 Mercedes-Benz X Class Power has done roughly 20,700 fewer miles than a typical 2020 Mercedes-Benz X Class. Its asking price of £37,990 is £732 above the AskCar estimate of £37,258. The AskCar estimate draws on 84 Mercedes-Benz X Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Martin Atkinson Specialist Cars, based in Scunthorpe. 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: £732 (1%) over the AskCar estimate of £37,258.

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 84 priced Mercedes-Benz X Class adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2020 Mercedes-Benz X Class has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 7 October 2026 at £38,490. Its asking price is now £37,990, £500 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 7 October 2026: £38,490
• 20 October 2026: £37,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 11 December 2026.

It has had 4 MOTs. The latest, on 12 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,530 miles, which matches the advertised 32,991 miles.

Advertised mileage is about 20,700 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 £36,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, grey. Mileage: 34,000 miles. Price: £27,994, £9,996 less than this car. Dealer: Harvey Wilson in Rawtenstall. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-6e3ae6a45358
• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, grey. Mileage: 45,000 miles. Price: £36,995, £995 less 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, £1,996 less 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, white, 23 miles from this car. Mileage: 63,152 miles. Price: £31,194, £6,796 less than this car. Dealer: Just Audi VW in Lincoln. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-3ceb0889f6fb