* Based on opinions and should be considered as general guidance only.
- Reliability (3)Mercedes-Benz vehicles generally have average reliability. While the GLS 450 is well-built, some owners report minor electrical issues or sensor malfunctions as the vehicle ages.
- Maintenance (2)Maintenance costs for a luxury SUV like the GLS 450 can be significantly higher than average. Parts and labor for routine service and unexpected repairs can add up quickly.
- Technology (4)The infotainment system is intuitive and responsive, though some of the driver-assist features might not be as cutting-edge as newer models. Still, it offers a good range of features.
- Comfort (5)The GLS 450 excels in comfort, providing a plush and quiet cabin with supportive seats. Long journeys are a breeze for all occupants.
- Dynamics (4)For a large SUV, the GLS 450 handles surprisingly well, offering a smooth and controlled ride. It's not a sports car, but it doesn't feel like a boat either.