2021 Mercedes-Benz GLB 1.3 GLB200 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line
• Version: 1.3 GLB200 AMG Line DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
• Year: 2021
• Mileage: 95,412 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 is advertised with 95,412 miles, approximately 48,000 above the typical mileage for its age. Its asking price of £15,990 is £692 above the AskCar estimate of £15,298. 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 15 days ago. The government's MOT record matches its advertised mileage. You can find this car at Lennox Auto in London. 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: £692 (4%) over the AskCar estimate of £15,298.

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 15 days.

Price history

AskCar first saw this advert on 23 October 2026 at £15,990. 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 26 May 2027.

It has had 3 MOTs. The latest, on 27 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 91,145 miles, which matches the advertised 95,412 miles.

Advertised mileage is about 48,000 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

25 other 2021 Mercedes-Benz GLB AMG Line 1.3 petrol automatic SUVs are for sale at UK dealers, from £15,795 to £22,595, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, blue. Mileage: 90,000 miles. Price: £16,995, £1,005 more than this car. Dealer: Rix Motors in Warrington. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-f31d8a05af77
• 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, grey. Mileage: 101,000 miles. Price: £15,795, £195 less than this car. Dealer: Hiline Motors in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-781004d250b5
• 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, white. Mileage: 87,258 miles. Price: £16,800, £810 more than this car. Dealer: Evans Halshaw Renault Durham in Durham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-a71dbc81f46a

• The nearest: 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, white, 10 miles from this car. Mileage: 46,841 miles. Price: £18,990, £3,000 more than this car. Dealer: Endeavour Omoda & Jaecoo Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-ff9163a6be21