2021 Mercedes-Benz GLB 2.0 GLB220d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium Plus
• Version: 2.0 GLB220d AMG Line Premium Plus DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)
• Year: 2021
• Mileage: 94,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium Plus has covered 94,000 miles, around 47,300 more miles than is typical for its age. Priced at £19,490, it is advertised £860 above the AskCar estimate of £18,630. The AskCar estimate uses 860 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by LVMC in Ongar. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £860 (4%) over the AskCar estimate of £18,630.

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 860 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 5 November 2026.

A 2021 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £22,800: the median of the 29 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLB advertised 2 days ago. About half of 2021 Mercedes-Benz GLB cars are gone from sale within a month of being advertised: 77 of the 161 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £19,490. 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 5 November 2026: valid until 18 June 2027.

It has had 4 MOTs. The latest, on 19 June 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords outer sidewall; nearside rear tyre slightly damaged/cracking or perishing; offside rear nail in tyre.

Mileage at that test: 88,333 miles, which matches the advertised 94,000 miles.

Advertised mileage is about 47,300 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

5 other 2021 Mercedes-Benz GLB AMG Line Premium Plus 2.0 diesel automatic SUVs are for sale at UK dealers, from £23,180 to £24,955, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line Premium Plus, 2.0 diesel SUV, red. Mileage: 45,672 miles. Price: £23,990, £4,500 more than this car. Dealer: Eastern Western Motor Group Western Mercedes-Benz of Coldstream in Coldstream. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-2a926dca8949
• 2021 Mercedes-Benz GLB AMG Line Premium Plus, 2.0 diesel SUV, black. Mileage: 43,800 miles. Price: £23,180, £3,690 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-542b5eee3dea
• 2021 Mercedes-Benz GLB AMG Line Premium Plus, 2.0 diesel SUV, silver. Mileage: 41,670 miles. Price: £24,350, £4,860 more than this car. Dealer: JCT600 Mercedes-Benz of Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-d3853436bc73

• The nearest: 2021 Mercedes-Benz GLB AMG Line Premium Plus, 2.0 diesel SUV, grey, 30 miles from this car. Mileage: 35,546 miles. Price: £24,250, £4,760 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-e2c1645c8abd