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: 71,484 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLB AMG Line Premium has covered 71,484 miles, around 20,000 more miles than is typical for its age. Its asking price of £19,200 is £192 below the AskCar estimate of £19,392. The AskCar estimate draws on 822 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 53 days ago, the asking price has dropped by £1,595. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hippo Motor Group Peterborough, based in Peterborough. 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: £192 (under 1%) under the AskCar estimate of £19,392.

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 53 days.

Price history

AskCar first saw this advert on 16 September 2026 at £20,795. Its asking price is now £19,200, £1,595 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 16 September 2026: £20,795
• 8 October 2026: £19,760
• 9 October 2026: £19,620
• 14 October 2026: £19,580
• 15 October 2026: £20,615
• 17 October 2026: £19,580
• 23 October 2026: £19,320
• 24 October 2026: £19,300
• 3 November 2026: £19,180
• 7 November 2026: £19,200

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 6 July 2027.

It failed its MOT on 29 June 2026 (front windscreen wiper blade defective; tyre pressure monitoring system malfunctioning or obviously inoperative; offside rear brake pad(s) less than 1.5 mm thick; and 2 more) and passed 8 days later, on 7 July 2026.

Advisories at the latest test: front windscreen wiper blade defective; nearside front brake pad(s) wearing thin; offside front brake pad(s) wearing thin; and 5 more.

Mileage at that test: 71,284 miles, which matches the advertised 71,484 miles.

Advertised mileage is about 20,000 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, black. Mileage: 70,448 miles. Price: £19,500, £300 more 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, white. Mileage: 68,500 miles. Price: £18,699, £501 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, grey. Mileage: 67,137 miles. Price: £19,798, £598 more than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-f5e2bbd61c9f

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black, 9 miles from this car. Mileage: 59,400 miles. Price: £20,490, £1,290 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-8ce072a5e4ba