2023 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 7G (161 bhp)
• Year: 2023
• Mileage: 58,648 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 2023 Mercedes-Benz GLB AMG Line Premium is advertised with 58,648 miles, approximately 25,000 above the typical mileage for its age. The AskCar estimate for this car is £21,727. It is priced at £20,201, which is £1,526 below that estimate. The AskCar estimate draws on 822 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 58 days ago, the asking price has dropped by £1,799. Its advertised mileage matches the government's MOT record. The seller is Quality Part X Dunstable, based in Dunstable. 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: £1,526 (7%) under the AskCar estimate of £21,727.

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 58 days.

Price history

AskCar first saw this advert on 11 September 2026 at £22,000. Its asking price is now £20,201, £1,799 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 11 September 2026: £22,000
• 16 September 2026: £21,995
• 18 September 2026: £21,955
• 21 September 2026: £21,700
• 24 September 2026: £21,695
• 29 September 2026: £21,500
• 1 October 2026: £21,485
• 3 October 2026: £21,450
• 8 October 2026: £21,400
• 10 October 2026: £21,351
• 13 October 2026: £21,300
• 16 October 2026: £20,601
• 20 October 2026: £20,751
• 22 October 2026: £20,651
• 24 October 2026: £20,600
• 27 October 2026: £20,551
• 29 October 2026: £20,500
• 31 October 2026: £20,400
• 3 November 2026: £20,396
• 5 November 2026: £20,351
• 7 November 2026: £20,201

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 24 February 2027.

It has had one MOT, on 25 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 49,882 miles, which matches the advertised 58,648 miles.

Advertised mileage is about 25,000 miles higher than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

38 other 2023 Mercedes-Benz GLB AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £19,750 to £46,950, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 58,685 miles. Price: £21,500, £1,299 more than this car. Dealer: Kallenhard in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-44cd109a1294
• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, blue. Mileage: 57,896 miles. Price: £22,441, £2,240 more than this car. Dealer: LSH Auto Mercedes-Benz of Solihull in Solihull. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-3c78c6d66aaf
• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, black. Mileage: 56,759 miles. Price: £23,195, £2,994 more than this car. Dealer: Sandown Group Mercedes-Benz of Epsom in Epsom. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-764eefb6698d