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: 50,000 miles
• Fuel: Diesel
• Body: Pickup, 4 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 230 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz X Class Power has covered 50,000 miles, around 3,700 fewer miles than is typical for its age. Its asking price of £35,995 is £1,968 above the AskCar estimate of £34,027. The AskCar estimate uses 84 UK dealer adverts for the Mercedes-Benz X Class, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 15 days ago. The government's MOT record matches its advertised mileage. It is advertised by Oasis Cars in Gravesend. 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: £1,968 (5%) over the AskCar estimate of £34,027.

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 15 days.

Price history

AskCar first saw this advert on 24 October 2026 at £35,995. 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 8 November 2026: valid until 27 May 2027.

It has had 3 MOTs. The latest, on 28 May 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; offside rear shock absorbers has slight external damage to the casing.

Mileage at that test: 46,230 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 3,700 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 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, black. Mileage: 49,459 miles. Price: £24,383, £11,612 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-43b85f843eb8
• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, black. Mileage: 51,084 miles. Price: £31,199, £4,796 less than this car. Dealer: Stebbings Car Superstore Kings Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-720f57bbfd68
• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, white. Mileage: 46,890 miles. Price: £35,994, the same price as 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, grey, 11 miles from this car. Mileage: 105,725 miles. Price: £23,999, £11,996 less than this car. Dealer: Approved Cars & Finance Approved Cars in East Peckham. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-fe3706a8473f