2017 Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: AMG Line
• Version: 3.0 GLS350d V6 AMG Line G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2017
• Mileage: 55,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 199 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,000 miles, this 2017 Mercedes-Benz GLS AMG Line has covered about 10,000 fewer miles than other 2017 Mercedes-Benz GLS cars. The AskCar estimate for this car is £29,806. It is priced at £29,480, which is £326 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 143 Mercedes-Benz GLS cars across different ages and specifications. We first saw this car advertised 99 days ago. Its asking price has since fallen by £4,960. The government's MOT record matches its advertised mileage. It is for sale at Oakdene Collection in Alfreton. 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: £326 (1%) under the AskCar estimate of £29,806.

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 143 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 7 November 2026.

A 2017 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £28,200: the median of the 12 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2017 Mercedes-Benz GLS has been on sale for at least 99 days.

Price history

AskCar first saw this advert on 31 July 2026 at £34,440. Its asking price is now £29,480, £4,960 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 31 July 2026: £34,440
• 5 August 2026: £32,980
• 14 August 2026: £32,880
• 20 August 2026: £31,780
• 26 August 2026: £31,670
• 29 August 2026: £31,440
• 2 September 2026: £31,420
• 4 September 2026: £30,980
• 10 September 2026: £29,980
• 18 September 2026: £29,940
• 2 October 2026: £29,880
• 8 October 2026: £29,780
• 9 October 2026: £29,980
• 16 October 2026: £29,680
• 20 October 2026: £29,480

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 17 April 2027.

It has had 9 MOTs. The latest, on 7 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,995 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 10,000 miles lower than the median mileage of a 2017 Mercedes-Benz GLS on AskCar.

Similar cars

6 other 2017 Mercedes-Benz GLS AMG Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £24,590 to £49,994, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 60,500 miles. Price: £32,950, £3,470 more than this car. Dealer: Sytner Group Mercedes-Benz of Carlisle in Carlisle. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-f0ca2b072369
• 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, white. Mileage: 63,000 miles. Price: £49,994, £20,514 more than this car. Dealer: RJD Commercials in Sandy. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-bff46ff56fab
• 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, silver. Mileage: 64,000 miles. Price: £26,990, £2,490 less than this car. Dealer: LTV in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-f84d5cc31d73

• The nearest: 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black, 34 miles from this car. Mileage: 91,410 miles. Price: £24,590, £4,890 less than this car. Dealer: Group 1 Automotive Mercedes-Benz of Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-e7c92050ea78