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 (5 Seat) (187 bhp)
• Year: 2021
• Mileage: 41,405 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium is advertised with 41,405 miles, approximately 6,000 below the typical mileage for its age. Its asking price of £21,500 is £2,808 below the AskCar estimate of £24,308. The AskCar estimate uses UK dealer asking prices, including 835 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 24 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Motor Village in Stoke-on-Trent. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Good value: £2,808 (11%) under the AskCar estimate of £24,308.

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 835 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 10 November 2026.

A 2021 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £22,800: the median of the 30 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2021 Mercedes-Benz GLB has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 17 October 2026 at £21,500. 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 10 November 2026: valid until 30 March 2027.

It has had 3 MOTs. The latest, on 25 March 2026, passed.

Advisories at the latest test: brake fluid close to minimum mark; nearside rear outer tyre slightly damaged/cracking or perishing slight cracking; offside rear outer tyre slightly damaged/cracking or perishing slight cracking; and 2 more.

Mileage at that test: 34,040 miles, which matches the advertised 41,405 miles.

Advertised mileage is about 6,000 miles lower than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

15 other 2021 Mercedes-Benz GLB AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,295 to £24,995, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 41,035 miles. Price: £22,950, £1,450 more than this car. Dealer: NSA Motor Vehicles in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-11cde202d124
• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 41,000 miles. Price: £23,590, £2,090 more than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-2836aac6f6f1
• 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 44,000 miles. Price: £23,795, £2,295 more than this car. Dealer: Mercedes-Benz South West Mercedes Benz Of Exeter in Exeter. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-a9c92185bd02

• The nearest: 2021 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white, 45 miles from this car. Mileage: 69,085 miles. Price: £19,940, £1,560 less than this car. Dealer: Evans Halshaw BYD Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-d962abb94c3a