* Based on opinions and should be considered as general guidance only.
- Reliability (3)Mercedes-Benz generally has average reliability. While the GLS 550 is well-built, complex systems can sometimes lead to higher repair costs if issues arise.
- Maintenance (2)As a luxury German SUV, maintenance costs for the GLS 550 are significantly higher than average, particularly for parts and specialized labor.
- Technology (4)Equipped with a comprehensive suite of advanced driver-assistance systems and a user-friendly infotainment interface, though some features might feel a bit dated compared to newer models.
- Comfort (5)Exceptional ride quality and a supremely quiet cabin make long journeys a pleasure. The seats are incredibly supportive and adjustable.
- Dynamics (4)The GLS 550 offers surprisingly agile handling for its size, with a powerful engine providing strong acceleration and confident passing.