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: 43,467 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: White
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLB AMG Line Premium is advertised with 43,467 miles, approximately 7,900 below the typical mileage for its age. Its asking price of £22,695 is £50 below the AskCar estimate of £22,745. The AskCar estimate uses 841 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. The seller is Motor Trust Haslingden, based in Rossendale. 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: £50 (under 1%) under the AskCar estimate of £22,745.

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

AskCar first saw this 2020 Mercedes-Benz GLB advertised today. About half of 2020 Mercedes-Benz GLB cars are gone from sale within a month of being advertised: 56 of the 115 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £22,695. 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 7 November 2026: valid until 4 August 2027.

It failed its MOT on 4 August 2026 (offside rear brake pad(s) less than 1.5 mm thick) and passed 1 day later, on 5 August 2026.

There were no advisories at the latest test.

Mileage at that test: 43,367 miles, which matches the advertised 43,467 miles.

Advertised mileage is about 7,900 miles lower 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, black. Mileage: 43,716 miles. Price: £23,650, £955 more than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-4e9d5d2cd68f
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 43,000 miles. Price: £23,995, £1,300 more than this car. Dealer: Steven Eagell Toyota Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-6424789a8c0a
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 41,915 miles. Price: £22,650, the same price as this car. Dealer: Group 1 Automotive Mercedes-Benz Of Cambridge in Cambridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-37501c2b7d75

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey, 16 miles from this car. Mileage: 40,000 miles. Price: £22,780, £85 more than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-1a2bc73dc5b0