2021 Mercedes-Benz GLB 1.3 GLB200 AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium Plus
• Version: 1.3 GLB200 AMG Line Premium Plus DCT FWD Euro 6 (s/s) 5dr 2) 7G (161 bhp)
• Year: 2021
• Mileage: 49,368 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium Plus has covered 49,368 miles. The AskCar estimate for this car is £23,059. It is priced at £24,275, which is £1,216 above that estimate. The AskCar estimate uses 841 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 55 days ago. Its asking price has since fallen by £700. The seller is JMV Cars Ltd of Shorne, based in Gravesend. 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: £1,216 (5%) over the AskCar estimate of £23,059.

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 55 days.

Price history

AskCar first saw this advert on 13 September 2026 at £24,975. Its asking price is now £24,275, £700 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 13 September 2026: £24,975
• 27 October 2026: £24,475
• 28 October 2026: £24,275

Mileage and MOT

Advertised mileage is about 2,000 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

7 other 2021 Mercedes-Benz GLB AMG Line Premium Plus 1.3 petrol automatic SUVs are for sale at UK dealers, from £19,994 to £25,450, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line Premium Plus, 1.3 petrol SUV, white. Mileage: 43,100 miles. Price: £22,990, £1,285 less than this car. Dealer: Lkc Motors in Worksop. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-a16fa2adbed2
• 2021 Mercedes-Benz GLB AMG Line Premium Plus, 1.3 petrol SUV, white. Mileage: 34,626 miles. Price: £23,499, £776 less than this car. Dealer: Prestige Motor Trader in Croydon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-7481582e1d18
• 2021 Mercedes-Benz GLB AMG Line Premium Plus, 1.3 petrol SUV, white. Mileage: 33,100 miles. Price: £24,490, £215 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-3052f26bc530