2020 Mercedes-Benz GLB 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto Euro 6 5dr
• Year: 2020
• Mileage: 60,094 miles
• Fuel: Diesel
• Body: SUV, 5 doors
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Grey
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 60,094 miles, this 2020 Mercedes-Benz GLB AMG Line Premium has covered about 8,600 more miles than other 2020 Mercedes-Benz GLB cars. The AskCar estimate for this car is £20,533. It is priced at £20,500, which is £33 below that estimate. The AskCar estimate uses 855 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Mercedes-Benz of Milton Keynes, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £33 (under 1%) under the AskCar estimate of £20,533.

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 855 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 14 November 2026.

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £20,800: the median of the 39 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLB advertised 1 day ago. About half of 2020 Mercedes-Benz GLB cars are gone from sale within a month of being advertised: 57 of the 117 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 13 November 2026 at £20,500. 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 14 November 2026: valid until 17 October 2027.

It has had 5 MOTs. The latest, on 28 September 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 59,851 miles, which matches the advertised 60,094 miles.

Advertised mileage is about 8,600 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

23 other 2020 Mercedes-Benz GLB AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,999 to £24,995, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 60,512 miles. Price: £20,000, £500 less than this car. Dealer: Marshall Approved Used Melton Mowbray in Melton Mowbray. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-ecff36784421
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 59,591 miles. Price: £24,995, £4,495 more than this car. Dealer: Agnew Group Mercedes-Benz Of Belfast in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-3807ca061664
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 61,289 miles. Price: £20,490, the same price as this car. Dealer: Neil Kieran Automotive in Darlington. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-507cff8d4353

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, blue, 30 miles from this car. Mileage: 55,694 miles. Price: £22,000, £1,500 more than this car. Dealer: Sytner Group Mercedes-Benz of Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-b6d18aa575e4