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: 41,915 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 41,915 miles on the clock, this 2020 Mercedes-Benz GLB AMG Line Premium has done roughly 9,400 fewer miles than a typical 2020 Mercedes-Benz GLB. The AskCar estimate for this car is £22,397. It is priced at £22,650, which is £253 above that estimate. The AskCar estimate uses UK dealer asking prices, including 841 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 38 days ago. Its asking price has since fallen by £840. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Mercedes-Benz Of Cambridge, based in Cambridge. 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: £253 (1%) over the AskCar estimate of £22,397.

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 38 days.

Price history

AskCar first saw this advert on 30 September 2026 at £23,490. Its asking price is now £22,650, £840 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 30 September 2026: £23,490
• 5 October 2026: £23,290
• 10 October 2026: £23,195
• 17 October 2026: £22,990
• 27 October 2026: £22,750
• 4 November 2026: £22,650

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 March 2027.

It has had 4 MOTs. The latest, on 20 March 2026, passed.

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

Mileage at that test: 38,308 miles, which matches the advertised 41,915 miles.

Advertised mileage is about 9,400 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, grey. Mileage: 43,000 miles. Price: £23,995, £1,345 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: 43,467 miles. Price: £22,695, the same price as this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-16b2c166d2db
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 43,716 miles. Price: £23,650, £1,000 more than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-4e9d5d2cd68f

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black, 34 miles from this car. Mileage: 71,484 miles. Price: £19,200, £3,450 less than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-0e633506e8c3