2023 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: 2023
• Mileage: 20,174 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 20,174 miles, this 2023 Mercedes-Benz GLB AMG Line has covered about 13,400 fewer miles than other 2023 Mercedes-Benz GLB cars. Priced at £28,295, it is advertised £1,643 above the AskCar estimate of £26,652. The AskCar estimate uses UK dealer asking prices, including 822 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 67 days ago, the asking price has dropped by £1,700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandown Group Mercedes-Benz of Guildford, based in Guildford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,643 (6%) over the AskCar estimate of £26,652.

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 822 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 8 November 2026.

A 2023 Mercedes-Benz GLB with the 1.3 petrol engine is typically advertised at £24,300: the median of the 118 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 67 days.

Price history

AskCar first saw this advert on 2 September 2026 at £29,995. Its asking price is now £28,295, £1,700 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 2 September 2026: £29,995
• 29 September 2026: £29,695
• 6 October 2026: £29,495
• 20 October 2026: £28,995
• 4 November 2026: £28,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 14 March 2027.

It has had one MOT, on 7 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 17,400 miles, which matches the advertised 20,174 miles.

Advertised mileage is about 13,400 miles lower than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

10 other 2023 Mercedes-Benz GLB AMG Line 1.3 petrol automatic SUVs are for sale at UK dealers, from £25,049 to £28,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, blue. Mileage: 22,650 miles. Price: £28,260, the same price as this car. Dealer: Evo Motor Group in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-fa97707569b6
• 2023 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, red. Mileage: 22,784 miles. Price: £27,500, £795 less than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-2d61ac7027bb
• 2023 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, white. Mileage: 16,366 miles. Price: £28,495, £200 more than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-209cdfdb090b

• The nearest: 2023 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, grey, 19 miles from this car. Mileage: 12,126 miles. Price: £25,049, £3,246 less than this car. Dealer: Lookers Mercedes-Benz of Gatwick in Crawley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-9d18c5b50bf1