2023 Mercedes-Benz GLB 1.9 GLB220d AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line
• Version: 1.9 220d 4M AMG Line Auto 4WD Euro 6 5dr Prem + Night Ed 8G-Tronic (187 bhp)
• Year: 2023
• Mileage: 14,557 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 1.9 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 14,557 miles on the clock, this 2023 Mercedes-Benz GLB AMG Line has done roughly 19,600 fewer miles than a typical 2023 Mercedes-Benz GLB. Priced at £31,500, it is advertised £978 above the AskCar estimate of £30,522. The AskCar estimate uses 802 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 104 days ago, the asking price has dropped by £4,000. The seller is Sytner Group Mercedes-Benz of Bristol, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £978 (3%) over the AskCar estimate of £30,522.

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 802 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 9 November 2026.

A 2023 Mercedes-Benz GLB with the 1.9 diesel engine is typically advertised at £28,900: the median of the 13 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 104 days.

Price history

AskCar first saw this advert on 28 July 2026 at £35,500. Its asking price is now £31,500, £4,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 29 July 2026: £35,500
• 21 August 2026: £35,000
• 3 September 2026: £34,500
• 17 September 2026: £34,000
• 24 September 2026: £33,750
• 1 October 2026: £33,500
• 7 October 2026: £33,000
• 13 October 2026: £32,750
• 22 October 2026: £32,250
• 29 October 2026: £32,000
• 4 November 2026: £31,500

Mileage and MOT

Advertised mileage is about 19,600 miles lower than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

10 other 2023 Mercedes-Benz GLB AMG Line 1.9 diesel automatic SUVs are for sale at UK dealers, from £22,490 to £33,500, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, blue. Mileage: 17,495 miles. Price: £33,500, £2,000 more than this car. Dealer: Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Cheltenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-9ae9a7e7a58d
• 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, red. Mileage: 19,235 miles. Price: £30,599, £901 less than this car. Dealer: Lookers Mercedes-Benz of Tonbridge in Tonbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-a04cad39b852
• 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, black. Mileage: 24,532 miles. Price: £25,298, £6,202 less than this car. Dealer: Arnold Clark Leeds Motorstore in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-663c18cef3f1

• The nearest: 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, white, 32 miles from this car. Mileage: 38,412 miles. Price: £30,000, £1,500 less than this car. Dealer: Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Cheltenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-8db82454edfd