Mercedes Gls 400 amg ln prem+exe d 4m a
Reliability, running costs, and MOT data across 2 years from 572 real MOT tests.
Avg Pass Rate
90%
Total Tests
572
Best Year
2021 (91%)
Years Covered
2
About the Mercedes Gls 400 amg ln prem+exe d 4m a
The Mercedes Gls 400 amg ln prem+exe d 4m a has been tested 572 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 90%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.
Best and Worst Years
The 2021 model is the most reliable with a 91% pass rate from 326 tests. The 2020 model has the lowest at 89%. With just a 2 point spread, the Gls 400 amg ln prem+exe d 4m a is consistently reliable regardless of year.
Mileage Across Years
The oldest model in our data (2020) averages 38,865 miles, while the newest (2021) averages 33,533 miles.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Mercedes Gls 400 amg ln prem+exe d 4m a?
Mercedes Gls 400 amg ln prem+exe d 4m a by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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