2017 Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line
Price: £22,490. Fair price: £1,137 (5%) over the AskCar estimate of £21,353, our expected asking price for this car from its model, age, mileage and specification, drawing on 142 priced Mercedes-Benz GLS adverts on AskCar as of 10 November 2026.
AskCar lists 148 used Mercedes-Benz GLS from 113 UK dealerships, as of 10 November 2026.
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: 102,150 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 7 seats
- Engine: 3.0 litres, 254 bhp
- Gearbox: Automatic (G-Tronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 199 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 102,150 miles, this 2017 Mercedes-Benz GLS AMG Line has covered about 37,200 more miles than other 2017 Mercedes-Benz GLS cars. The dealer is asking £22,490, which is £1,137 above the AskCar estimate of £21,353. To work out the AskCar estimate, we analyse UK dealer adverts for 142 Mercedes-Benz GLS cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is MB Executive Motor Company, based in Hinckley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
MB Executive Motor Company is rated 4.1 out of 5 on Google.
Price
Fair price: £1,137 (5%) over the AskCar estimate of £21,353.
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 142 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 10 November 2026.
A 2017 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £27,000: the median of the 12 for sale on AskCar, as of 10 November 2026.
Time on sale
AskCar first saw this 2017 Mercedes-Benz GLS advertised today.
Price history
AskCar first saw this advert on 10 November 2026 at £22,490. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 1 December 2026.
It failed its MOT on 13 November 2025 (engine MIL inoperative or indicates a malfunction; anti-lock braking system warning lamp indicates an ABS fault; electronic stability control warning lamp indicates a fault) and passed 19 days later, on 2 December 2025.
Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; front brake disc worn, but not excessively; rear brake disc worn, pitted or scored, but not seriously weakened.
Mileage at that test: 93,221 miles, which matches the advertised 102,150 miles.
Advertised mileage is about 37,200 miles higher 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 10 November 2026.
The 3 closest to this car in mileage:
- 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 91,410 miles. Price: £24,590, £2,100 more 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
- 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, silver. Mileage: 68,862 miles. Price: £26,995, £4,505 more than this car. Dealer: Platinum Plus Cars in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-8176a1680e8a
- 2017 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 65,000 miles. Price: £25,990, £3,500 more than this car. Dealer: Vogue Motor Company in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-15387b8ca150
Browse all Mercedes-Benz GLS cars for sale · 2017 Mercedes-Benz GLS price guide
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Photos
9 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.