2021 Mercedes-Benz GLB 1.3 GLB200 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 1.3 GLB200 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 2) 7G (161 bhp)
• Year: 2021
• Mileage: 60,500 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium is advertised with 60,500 miles, approximately 13,100 above the typical mileage for its age. Priced at £19,995, it is advertised £314 above the AskCar estimate of £19,681. 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 71 days ago. Its asking price has since fallen by £1,500. The government's MOT record matches its advertised mileage. You can find this car at Amanah Prestige in Romford. 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: £314 (1%) over the AskCar estimate of £19,681.

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 1.3 petrol engine is typically advertised at £21,000: the median of the 52 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz GLB has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 28 August 2026 at £21,495. Its asking price is now £19,995, £1,500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 August 2026: £21,495
• 24 September 2026: £20,990
• 9 October 2026: £20,495
• 29 October 2026: £19,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 17 April 2027.

It has had 3 MOTs. The latest, on 15 April 2026, passed.

Advisories at the latest test: nearside front brake disc worn, but not excessively; offside front brake disc worn, but not excessively.

Mileage at that test: 56,575 miles, which matches the advertised 60,500 miles.

Advertised mileage is about 13,100 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

16 other 2021 Mercedes-Benz GLB AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £18,480 to £23,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, red. Mileage: 60,418 miles. Price: £20,998, £1,003 more than this car. Dealer: Arnold Clark Greenock East Hamilton Street Lepas in Greenock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-fa8f4dd361e5
• 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, blue. Mileage: 59,000 miles. Price: £21,499, £1,504 more than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-401d077a3ac7
• 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 51,400 miles. Price: £19,995, the same price as this car. Dealer: CC Cars in Dukinfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-91e74fe85a2a

• The nearest: 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, white, 9 miles from this car. Mileage: 20,881 miles. Price: £23,190, £3,195 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-2021-73bdf04bc5fc