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: 78,468 miles
• Fuel: Diesel
• Body: Pickup, 4 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 230 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz X Class Power is advertised with 78,468 miles, approximately 24,800 above the typical mileage for its age. Priced at £23,995, it is advertised £4,319 below the AskCar estimate of £28,314. 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 44 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Active Automotive in Wellingborough. 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: £4,319 (15%) under the AskCar estimate of £28,314.

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 44 days.

Price history

AskCar first saw this advert on 25 September 2026 at £23,995. 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 14 January 2027.

It has had 4 MOTs. The latest, on 7 January 2026, passed.

Advisories at the latest test: nearside front suspension arm ball joint dust cover severely deteriorated; offside front suspension arm ball joint dust cover severely deteriorated.

Mileage at that test: 76,751 miles, which matches the advertised 78,468 miles.

Advertised mileage is about 24,800 miles higher 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 £23,999 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, white. Mileage: 81,300 miles. Price: £24,495, £500 more than this car. Dealer: Silverstone Cars in Barking. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-6198fe46849e
• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, black. Mileage: 70,361 miles. Price: £32,994, £8,999 more than this car. Dealer: S Cars in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-24eb33f2bfc9
• 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, white. Mileage: 64,360 miles. Price: £32,147, £8,152 more than this car. Dealer: Estar. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-ee0841abfc82

• The nearest: 2020 Mercedes-Benz X Class Power, 3.0 diesel pickup, grey, 54 miles from this car. Mileage: 45,000 miles. Price: £36,995, £13,000 more than this car. Dealer: Autoville in Chingford. AskCar page: https://askcar.co.uk/car/mercedes-benz-x-class-2020-799f0952ba7d