2021 Mercedes-Benz GLB

1.3 GLB200 AMG Line Premium Plus DCT FWD Euro 6 (s/s) 5dr 2) 7G (161 bhp)

£24,990

Fair price: within 8% of the typical £25,574 for this model, age and mileage, drawing on 876 adverts of this make and model.

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)
Mileage: 33,100 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Engine: 1.3 L
Gearbox: Automatic
Power: 161 bhp
Seats: 7
CO2: 164 g/km
Colour: White
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Engine badge: GLB200
Emissions standard: Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium Plus has covered 33,100 miles, around 10,000 fewer than typical for its age. The dealer is asking £24,990, which is £584 below our market estimate of £25,574. We use UK dealer asking prices, including 876 Mercedes-Benz GLB listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 33 days ago. Its MOT is recorded as valid until 30 October 2026. The advertised mileage is consistent with the latest MOT reading. It is advertised by S James Prestige in Stamford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 23 September 2026, 33 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observed	Asking price
23 September 2026	£24,990
23 October 2026	£24,990

Price and mileage comparison

Estimated market asking price: £25,574. The asking price is £584 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 876 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,000 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 30 October 2026. 29,829 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £20,498 to £25,450.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£20,498	79,726 miles
£20,999	78,200 miles
£23,499	34,626 miles
£24,975	49,368 miles
£24,990	43,100 miles

These cars have covered 20,863–79,726 miles, compared with 33,100 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz GLB cars for sale · 2021 Mercedes-Benz GLB price guide

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