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 (5 Seat) (187 bhp)
• Year: 2020
• Mileage: 76,883 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 76,883 miles on the clock, this 2020 Mercedes-Benz GLB AMG Line Premium has done roughly 25,500 more miles than a typical 2020 Mercedes-Benz GLB. Priced at £18,260, it is advertised £365 below the AskCar estimate of £18,625. The AskCar estimate uses 841 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 21 days ago, the asking price has dropped by £239. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Lookers Volkswagen Teesside in Middlesbrough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £365 (1%) under the AskCar estimate of £18,625.

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 841 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £21,000: the median of the 44 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 17 October 2026 at £18,499. Its asking price is now £18,260, £239 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 17 October 2026: £18,499
• 18 October 2026: £18,792
• 23 October 2026: £18,572
• 1 November 2026: £18,260

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 July 2027.

It has had 4 MOTs. The latest, on 14 July 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge depth at 2.5mm and perishing; offside rear tyre slightly damaged/cracking or perishing and depth 3.2mm; offside rear cv boot has slight seepage off grease.

Mileage at that test: 73,800 miles, which matches the advertised 76,883 miles.

Advertised mileage is about 25,500 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

29 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 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 81,078 miles. Price: £16,999, £1,261 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-0f0d0cff3d50
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 71,484 miles. Price: £19,200, £940 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-0e633506e8c3
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 70,448 miles. Price: £19,500, £1,240 more than this car. Dealer: Westley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-6a5084939c2e

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white, 46 miles from this car. Mileage: 68,500 miles. Price: £18,699, £439 more than this car. Dealer: Prestige Car Supermarket in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-128a4ccd34d4