Used Mercedes-Benz GLC-Class for sale nearSlough

CarGurus expert rating: 4 out of 5
CarGurus user rating: 5.0 out of 5
Percentage of good/great deals available on CarGurus: 32.1%
Overall CarGurus rating:* 4.4 out of 5
Available Listings: Around 1,000
Average Price: Around £26,000

Mercedes-Benz GLC-Class (2015-2022) Pros and Cons

Pros	Cons
The cabin is as classy as it is roomy	Some owners report reliability issues
Every GLC is refined and good to drive	High-spec models get expensive
Optional air suspension improves comfort	Plug-in hybrids need to be recharged regularly

Quick Summary

The Mercedes-Benz GLC-Class (2015-2022) is a premium mid-sized SUV that offers something for every high-end customer. Available in both SUV and four-door Coupe body styles, it combines stylish design with practical interior space, featuring 550 litres of boot capacity (1,600 litres with seats folded) in the SUV variant. The cabin is exceptionally well-appointed with quality materials and useful technology, whilst all models come equipped with all-wheel drive (4Matic) and a nine-speed automatic gearbox. The GLC remained relevant throughout its production run with a mid-life facelift in 2019 introducing the excellent MBUX infotainment system and enhanced technology features.

The engine lineup evolved significantly over the GLC's lifecycle, starting with 2.1-litre diesels and expanding to include a 3.0-litre V6 diesel, petrol options, and plug-in hybrid variants. Performance-focused AMG models deliver genuine excitement with V8 power, whilst diesel variants offer superior fuel economy and low-end torque. Running costs vary considerably depending on specification, with diesels achieving mid-40s mpg in real-world driving and AMG models consuming significantly more fuel. Annual servicing costs range from £300 to £400 at Mercedes dealers, though independent specialists may offer savings. Reliability concerns have been reported by some owners, making thorough inspection and full service history essential when purchasing.

Best for: Buyers seeking a premium, refined SUV with excellent interior quality, those prioritising comfort and technology, and drivers wanting multiple powertrain options including hybrids.

Not ideal for: Budget-conscious buyers, those concerned about potential reliability issues, or drivers seeking the most dynamic handling in the segment.


Comparison vs Key Rivals



The Verdict

You should buy the GLC if: You prioritise premium cabin quality and refinement, seek a comfortable and well-equipped SUV with multiple powertrain options, or value the prestige of the Mercedes-Benz badge.

Consider alternatives if: You are concerned about potential reliability issues, seeking the most dynamic driving experience, or looking for the best value proposition in the premium SUV segment.

Competitive Position: The Mercedes-Benz GLC-Class (2015-2022) is a strong contender in the premium mid-sized SUV market, offering exceptional cabin quality, refinement, and a comprehensive range of powertrains including plug-in hybrids. Whilst the BMW X3 provides superior driving dynamics and the Jaguar F-Pace offers a more distinctive alternative, the GLC's combination of luxury, practicality, and technology makes it an excellent choice for buyers prioritising comfort and prestige. The Audi Q5 delivers comparable refinement but with slightly less character. Thorough inspection and full service history are essential due to reported reliability concerns, but a well-maintained GLC will provide a premium SUV experience worthy of its badge.

Read our full Mercedes-Benz GLC-Class Review

*The Overall CarGurus rating: that informs these recommendations is based on CarGurus' proprietary market data from September 2026, CarGurus expert reviews, and CarGurus user reviews.