2017 Mercedes-Benz GLS 3.0 GLS350d V6 Designo Line

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: Designo Line
• Version: 3.0 GLS350d V6 Designo Line G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2017
• Mileage: 61,701 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 199 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Mercedes-Benz GLS Designo Line has covered 61,701 miles, around 3,300 fewer miles than is typical for its age. The AskCar estimate for this car is £32,387. It is priced at £32,490, which is £103 above that estimate. The AskCar estimate draws on 143 Mercedes-Benz GLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 54 days ago. Its asking price has since fallen by £505. Our latest MOT record expired on 31 July 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Elton Cars in Peterborough. 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: £103 (under 1%) over the AskCar estimate of £32,387.

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 8 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 8 November 2026.

Time on sale

This 2017 Mercedes-Benz GLS has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 15 September 2026 at £32,995. Its asking price is now £32,490, £505 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 15 September 2026: £32,995
• 12 October 2026: £32,850
• 6 November 2026: £32,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 31 July 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 7 July 2025, passed.

Advisories at the latest test: front windscreen damaged but not adversely affecting driver's view stonechip.

Mileage at that test: 55,375 miles, which matches the advertised 61,701 miles.

Advertised mileage is about 3,300 miles lower than the median mileage of a 2017 Mercedes-Benz GLS on AskCar.

Similar cars

2 other 2017 Mercedes-Benz GLS Designo Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £31,995 to £32,995, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2017 Mercedes-Benz GLS Designo Line, 3.0 diesel SUV, silver. Mileage: 65,000 miles. Price: £31,995, £495 less than this car. Dealer: LK Cars in Uppermill. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-14021610022a
• 2017 Mercedes-Benz GLS Designo Line, 3.0 diesel SUV, black. Mileage: 67,000 miles. Price: £32,995, £505 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-bf16bd32236e