Used 2018 Mercedes-Benz GLS for Sale near Philadelphia, PA

## Summary - With 963 currently listed for sale on CarGurus and an **average price of $23,037.00**, 31.8% of 2018 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 Mercedes-Benz GLS 3.81 / 5 stars. - **65.0% of 2018 GLS models on CarGurus are accident free**. - The 2018 Mercedes-Benz GLS stands out for its luxurious features, comfort, and performance, along with advanced electronic enhancements for an enjoyable driving experience. ## Why it stands out The 2018 Mercedes-Benz GLS is a distinguished model within the luxury SUV landscape, offering a perfect blend of spaciousness and opulence well-suited for families. This year, the GLS provides three rows of seating and a maximum cargo capacity of up to 94 cubic feet, making it a versatile choice for those needing to transport both passengers and gear. Owners appreciate the robust power delivery and high-quality interior materials, delivering a premium driving experience characteristic of the Mercedes-Benz brand. However, there have been some critiques regarding interior space, with some users wishing for more ample room and additional charging options. Overall, the 2018 GLS is an attractive option for buyers in search of a sophisticated yet practical luxury SUV. ## Other model years to consider - **[2021 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2021-Mercedes-Benz-GLS-c29893)** - Average price: $53,999.00 - Good/great deal percentage: 35.6% - User rating: 4.93 / 5 - Total listings: 890 - **[2022 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $50,738.00 - Good/great deal percentage: 35.7% - User rating: 5 / 5 - Total listings: 995 - **[2019 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2019-Mercedes-Benz-GLS-c28644)** - Average price: $24,778.00 - Good/great deal percentage: 32.1% - User rating: 4.7 / 5 - Total listings: 808 This analysis is based on CarGurus' proprietary market data from February 23, 2026, CarGurus experts' opinions, and generative AI.