Mercedes GLS450 Valuation: 8 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 8 used Mercedes GLS450 (model years 2025 - 2025) available. Prices range from £89,880 to £116,800, with a median price of £104,750. The most common configuration on the market is a combination of SUV, diesel, and automatic, while the most popular trims include Business, AMG Line Premium Plus. Market dynamics indicate that a vehicle sells in an average of 11 days, and 12.5% of listings have recently seen a price reduction (with discounts up to £4,010). Additionally, 0 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 11,514 km (Source: 42 scanned sites).

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Showing 1 - 8 of 8 results

How much does the Mercedes GLS450 depreciate?

Used Mercedes GLS450

A used Mercedes GLS450 (2025) model gains about £1018 per month in value.


Factors that affect the appreciation of a Mercedes GLS450:
- Mileage
- Age of the vehicle
- Number of previous owners
- Accidents or damage history
- Trim level, equipment, and options


Appreciation is an important part of calculating the total value of owning a Mercedes GLS450. In addition to the monthly appreciation of £1018, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly value.

How much does a used Mercedes GLS450 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes GLS450 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2025 Mercedes GLS450

£89,880 - £116,800£104,4580 miles+£12,220< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 19 March 2026

Comparison of Mercedes GLS450 variants and prices

Below you can compare prices and depreciation for the 2 most popular Mercedes GLS450 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes GLS450 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

Mercedes GLS450 Business

£89,880 - £116,800£107,2330 miles+£6,980< 10
💰 The budget choice

Mercedes GLS450 AMG Line Premium Plus

£89,995 - £106,200£99,8320 miles-< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 19 March 2026

Which variant should you choose?

💰 The budget choice

The AMG Line Premium Plus is the cheapest entry point with an average price of £99,832.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most Business for sale right now (5), which gives you the most options to choose from.

Accuracy will improve as more cars from this variant become available

📈 The best value

The Business has held its price stable with minimal loss in value over the past year (+£6,980).

Accuracy will improve as more cars from this variant become available

Mercedes GLS450 (model year 2025) - Price development for the last 12 months and price projection for the next 6 months (March 2025 - August 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - March
£100,540
£98,720£102,340
Estimate
2025 - April
£105,460
£100,880£110,060
Estimate
2025 - May
£107,900
£102,900£112,920
Estimate
2025 - June
£105,300
£100,180£110,420
Estimate
2025 - July
£102,700
£97,480£107,940
Estimate
2025 - August
£100,120
£94,780£105,440
Estimate
2025 - September
£97,520
£92,080£102,960
Estimate
2025 - October
£94,920
£89,380£100,460
Estimate
2025 - November
£92,320
£86,680£97,980
Estimate
2025 - December
£100,660
£93,740£107,580
Estimate
2026 - January
£109,000
£100,820£117,160
Estimate
2026 - February
£112,760
£106,800£118,740
Estimate
2026 - April
£118,860
--
Forecast
2026 - May
£121,920
--
Forecast
2026 - June
£124,960
--
Forecast
2026 - July
£128,020
--
Forecast
2026 - August
£131,060
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 19 March 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

£12,220

Next 6 months

£18,300

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Are you looking for a used Mercedes GLS450?

Are you considering purchasing a pre-owned ? Then the Mercedes GLS450 is a popular choice. AutoUncle features 2 avalable cars to choose from gathered from various dealership websites and online marketplaces.

How much does a used Mercedes GLS450 cost?

Currently, the prices for a pre-owned Mercedes GLS450 start at £113,300 and go up to £116,800.

There are five primary parameters which play a crucial role in what a used Mercedes GLS450 costs: production year, engine capacity and performance, the car's fuel consumption, the car's mileage along with equipment variant.

For example, a newer model with low mileage or a premium version equipped with a high-performance engine generally demands a higher price than a used model with many kilometres on the odometer and in a simple equipment variant.

Which trim levels can I choose for the Mercedes GLS450?

The Mercedes GLS450 has an equipment variant called Mercedes GLS450 Business.

When comparing the prices of used Mercedes GLS450, it is essential only comparing the offers of cars with the same engine and equipment. Otherwise, you could end up reaching a wrong conclusion on which car to acquire.

What fuel configurations can I choose from for the Mercedes GLS450?

The primary energy source for the Mercedes GLS450 is diesel.

We urge you to take your driving habits into account before settling on a specific fuel type. In an average week, how much distance do you drive? Are you more inclined to take short drives or to go on longer journeys?

If your trips are mostly short, electric, plug-in hybrid or petrol may make the most sense. For daily long-distance driving, the electric car is often ideal - especially with a charger at home or at work. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. Keep in mind that certain countries have bans on high-emission diesel engines entering their cities.

Will the Mercedes GLS450 come in different body types?

On AutoUncle, the Mercedes GLS450 is exclusively offered in the SUV body style. SUV stands for Sport Utility Vehicle. Out of all the cars on the market today, this is among the most popular, and with its versatile style and higher-than-usual ride height, it’s not hard to see why.

Are there alternatives to Mercedes GLS450?

The Mercedes GLS450 has some competing cars from the same segment.

Most popular alternatives to the Mercedes GLS450

  • Ford Transit Custom
  • VW ID.3
  • Toyota Aygo X

With a current inventory of 4,152 available models on AutoUncle, the Ford Transit Custom stands out as the top alternative to the Mercedes GLS450. The Ford Transit Custom has an average price tag of £14,999.

Another popular choice in this class is the VW ID.3 with 1,622 cars on the market and an average price tag of £15,350. The Toyota Aygo X comes in as the third most popular choice with an average sales price of £13,900 and 1,590 car for sale at the moment in the UK.

Considering more environmentally sound choices to the Mercedes GLS450?

Not fixed on the Mercedes GLS450? Here are some electric options in the same segment::

Still no luck finding your preferred electric car? See all our available electric cars here.