2021 Mercedes-Benz GLB 2.0 GLB200d AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 2.0 GLB200d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (148 bhp)
• Year: 2021
• Mileage: 62,500 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 62,500 miles on the clock, this 2021 Mercedes-Benz GLB AMG Line Premium has done roughly 15,100 more miles than a typical 2021 Mercedes-Benz GLB. Priced at £20,500, it is advertised £718 below the AskCar estimate of £21,218. The AskCar estimate uses UK dealer asking prices, including 841 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 9 days ago. Its advertised mileage matches the government's MOT record. The seller is Colin Ludwell Cars, based in Bristol. 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: £718 (3%) under the AskCar estimate of £21,218.

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 9 days.

Price history

AskCar first saw this advert on 29 October 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 7 November 2026: valid until 24 June 2027.

It has had 3 MOTs. The latest, on 24 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,417 miles, which matches the advertised 62,500 miles.

Advertised mileage is about 15,100 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: 62,000 miles. Price: £22,950, £2,450 more than this car. Dealer: Auto Q in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-a153554a972b
• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, red. Mileage: 64,540 miles. Price: £19,886, £614 less than this car. Dealer: Heritage Honda Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-20589ade1fdf
• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 68,280 miles. Price: £21,200, £700 more than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-f069fd0d6254