The best used Mercedes-Benz GLS finance deals

Use our Mercedes-Benz GLS finance calculator to compare PCP and HP payments on the exact car you want - using a URL, a registration number, or just the make and model. Mercedes-Benz dealerships often mark up their finance rates to boost their profits. At Prefinance, we cut out the middleman. You find the GLS on AutoTrader, Motors.co.uk, or anywhere else and we provide the funding at a rate that beats the dealer. Rates starting from 7.9% - Representative APR 8.9%.

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Why choose an Mercedes-Benz GLS?

The Mercedes-Benz GLS stands out in the used car market as a paragon of full-size luxury SUVs, offering an unparalleled blend of sophistication, space, and capability. It's the ideal choice for discerning buyers who demand top-tier comfort and prestige for their families, without the new-car price tag. This "S-Class of SUVs" is perfect for those who frequently travel with passengers and cargo, or simply desire a commanding presence on the road with an abundance of high-end features.

Under the hood, even a used GLS often boasts impressive performance, with models like the GLS 450 offering a turbocharged inline-six engine providing brisk acceleration (0-60 mph in around 5.9 seconds) and smooth power delivery, complemented by Mercedes' 4MATIC all-wheel drive for confident handling in various conditions. Inside, the cabin is a sanctuary of luxury, featuring premium materials, meticulous craftsmanship, and advanced technology like the MBUX infotainment system with its intuitive voice control and expansive digital displays. As a used purchase, the GLS offers exceptional value, providing access to a vehicle that originally commanded a significantly higher price, now at a more attainable level, allowing buyers to experience flagship luxury at a fraction of the cost. Its robust build quality and timeless design ensure it remains a desirable and reliable option for years to come.

Financing a GLS:

Financing your Mercedes-Benz GLS is a smart choice, especially when you consider its exceptional residual values and enduring desirability. These factors directly benefit PCP (Personal Contract Purchase) finance customers, as higher residual values can lead to lower monthly payments, making the dream of owning a GLS even more attainable.

We offer competitive APR rates starting from just 7.9%, with a representative APR of 8.9%. Our finance solutions are designed to be flexible, allowing us to fund Mercedes-Benz GLS models of various ages. Our advanced comparison technology works tirelessly to find the best lender and terms specifically tailored to your chosen vehicle and financial circumstances. Discover how accessible premium ownership can be – try a comparison today and find a finance package that fits your lifestyle.

Mercedes-Benz GLS finance calculator

Rates from 7.9% APR.
Work out the monthly payments on any Mercedes-Benz GLS with our free PCP and HP calculator. Why accept a high 13.90% APR from a dealer? Here are the facts based on our user's comparisons: We save on average £69.42 per month on used Mercedes-Benz finance deals.

Prefinance logoAverage dealer
Representative APR 8.69%12.32%
Monthly payment £492£562
Total payable £23,019£26,271
Monthly saving £69N/A

Statistics based on a sample size of 43 real Mercedes-Benz finance calculations and comparisons from 12/1/2025 to 2/12/2026. Data last updated on 2/12/2026

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Latest Mercedes-Benz GLS finance quotes

We compare multiple brokers and their lenders to find you the very best deal. You get to buy the same car for same price, but with lower payments.

Price Rep. APR Monthly payment GFV or Final payment Monthly saving
63 4Matic+ Night Edition Executive 5dr TCT
14,425 miles
8th Feb 2026
More details
£107,000
£26,750 deposit over 48 months
7.9% £1,188.80 £43,485 £273.66

Calculations based on the last 1 calculations where a saving was available. Saving data does not include any additional admin (or other) fees normally incurred in a finance agreement.

Frequently asked questions

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