Mercedes Gls 400 amg ln prem + d 4mat a
Reliability, running costs, and MOT data across 3 years from 843 real MOT tests.
Avg Pass Rate
94%
Total Tests
843
Best Year
2019 (99%)
Years Covered
3
How reliable is the Mercedes Gls 400 amg ln prem + d 4mat a?
Mercedes Gls 400 amg ln prem + d 4mat a by Year
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About the Mercedes Gls 400 amg ln prem + d 4mat a
The Mercedes Gls 400 amg ln prem + d 4mat a has been tested 843 times in 2024 MOT data across 3 model years (2019 to 2021), with an average pass rate of 94%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.
Best and Worst Years
The 2019 model is the most reliable with a 99% pass rate from 69 tests. The 2021 model has the lowest at 90%. The 9 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Older MERCEDES GLS 400 AMG LN PREM + D 4MAT As tend to have better MOT pass rates than newer ones, with an average decline of 8 percentage points across model years.
Mileage Across Years
The oldest model in our data (2019) averages 46,574 miles, while the newest (2021) averages 35,601 miles.
Compared to the Mercedes brand average of 87%, the Gls 400 amg ln prem + d 4mat a performs 7 points better, making it one of the more reliable options in the Mercedes range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.