2021 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: 2021
• Mileage: 50,486 miles
• Fuel: Diesel
• Body: SUV, 5 doors
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: White
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 50,486 miles on the clock, this 2021 Mercedes-Benz GLB AMG Line Premium has done roughly 3,100 more miles than a typical 2021 Mercedes-Benz GLB. The AskCar estimate for this car is £22,706. It is priced at £21,790, which is £916 below 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. Since we first spotted the advert 36 days ago, the asking price has dropped by £200. Its advertised mileage matches the government's MOT record. The seller is Vantage Toyota York, based in York. 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: £916 (4%) under the AskCar estimate of £22,706.

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 2021 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £22,800: the median of the 27 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz GLB has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 2 October 2026 at £21,990. Its asking price is now £21,790, £200 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 2 October 2026: £21,990
• 23 October 2026: £22,290
• 4 November 2026: £21,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 21 March 2027.

It has had 3 MOTs. The latest, on 13 March 2026, passed.

Advisories at the latest test: nearside front inner brake pad(s) wearing thin; front brake disc worn, but not excessively.

Mileage at that test: 43,435 miles, which matches the advertised 50,486 miles.

Advertised mileage is about 3,100 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

14 other 2021 Mercedes-Benz GLB AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £19,490 to £24,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 50,000 miles. Price: £22,849, £1,059 more than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-1586cce7c3af
• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 53,211 miles. Price: £23,995, £2,205 more than this car. Dealer: Agnew Group Mercedes-Benz Of Portadown in Portadown. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-78e245e60875
• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 55,800 miles. Price: £22,699, £909 more than this car. Dealer: Lookers Mercedes-Benz of Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-9274b08ffd64

• The nearest: 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white, 38 miles from this car. Mileage: 69,085 miles. Price: £19,940, £1,850 less than this car. Dealer: Evans Halshaw BYD Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-d962abb94c3a