Reliability & cost of ownership
Mercedes Benz Gls 450 4matic Reliability & Common Problems
How reliable is the Mercedes Benz Gls 450 4matic? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Mercedes Benz Gls 450 4matic problems by model year
2 recall entries and 2 owner complaints on file across 1 model year, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2026 Gls 450 4matic | 2 | 2 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mercedes Benz Gls 450 4matic, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- unknown or other1 complaint
- engine1 complaint
- equipment1 complaint