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: 65,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 199 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Mercedes-Benz GLS Designo Line has covered 65,000 miles. The AskCar estimate for this car is £31,634. It is priced at £31,995, which is £361 above that estimate. The AskCar estimate uses UK dealer asking prices, including 143 Mercedes-Benz GLS adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 30 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. It is advertised by LK Cars in Oldham. 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: £361 (1%) over the AskCar estimate of £31,634.

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 30 days.

Price history

AskCar first saw this advert on 9 October 2026 at £32,995. Its asking price is now £31,995, £1,000 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 9 October 2026: £32,995
• 16 October 2026: £32,495
• 24 October 2026: £31,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 9 January 2027.

It has had 8 MOTs. The latest, on 6 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 63,971 miles, which matches the advertised 65,000 miles.

Similar cars

2 other 2017 Mercedes-Benz GLS Designo Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £32,490 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, black. Mileage: 67,000 miles. Price: £32,995, £1,000 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-bf16bd32236e
• 2017 Mercedes-Benz GLS Designo Line, 3.0 diesel SUV, blue. Mileage: 61,701 miles. Price: £32,490, £495 more than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-dace2d04985d