2020 Mercedes-Benz GLB 2.0 GLB220d AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 2.0 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)
• Year: 2020
• Mileage: 67,137 miles
• Fuel: Diesel
• Body: SUV, 5 doors
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 67,137 miles, this 2020 Mercedes-Benz GLB AMG Line Premium has covered about 15,700 more miles than other 2020 Mercedes-Benz GLB cars. Its asking price of £19,798 is £166 below the AskCar estimate of £19,964. The AskCar estimate draws on 822 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 40 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Eddie Wright Car Supermarket 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: £166 (under 1%) under the AskCar estimate of £19,964.

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

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £21,000: the median of the 42 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 29 September 2026 at £19,798. 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 2 February 2027.

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

There were no advisories at the latest test.

Mileage at that test: 57,928 miles, which matches the advertised 67,137 miles.

Advertised mileage is about 15,700 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

28 other 2020 Mercedes-Benz GLB AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,000 to £24,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 68,500 miles. Price: £18,699, £1,099 less than this car. Dealer: Prestige Car Supermarket in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-128a4ccd34d4
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 70,448 miles. Price: £19,500, £298 less than this car. Dealer: Westley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-6a5084939c2e
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 71,484 miles. Price: £19,200, £598 less than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-0e633506e8c3

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white, 12 miles from this car. Mileage: 36,831 miles. Price: £22,998, £3,200 more than this car. Dealer: CarSupermarket.com Hessle in Hessle. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-7a5ab505c693