Mercedes Ml
Reliability, running costs, and MOT data across 18 years from 72,675 real MOT tests.
Avg Pass Rate
80%
Total Tests
72,675
Best Year
2015 (89%)
Years Covered
18
How reliable is the Mercedes Ml?
Mercedes Ml by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2015 | 89% | 6,912 | 79,271 mi |
| 2014 | 88% | 8,494 | 86,775 mi |
| 2013 | 88% | 9,487 | 96,900 mi |
| 2012 | 86% | 5,231 | 100,705 mi |
| 2011 | 82% | 6,382 | 109,233 mi |
| 2010 | 82% | 6,104 | 116,332 mi |
| 2009 | 81% | 4,923 | 121,081 mi |
| 2008 | 82% | 5,355 | 127,187 mi |
| 2007 | 81% | 5,024 | 130,037 mi |
| 2006 | 80% | 3,946 | 131,218 mi |
| 2005 | 75% | 2,047 | 126,634 mi |
| 2004 | 73% | 2,584 | 130,231 mi |
| 2003 | 74% | 1,905 | 129,634 mi |
| 2002 | 77% | 1,756 | 132,786 mi |
| 2001 | 77% | 1,002 | 134,405 mi |
| 2000 | 73% | 850 | 136,667 mi |
| 1999 | 74% | 615 | 133,164 mi |
| 1998 | 72% | 58 | 119,333 mi |
Checking a specific Mercedes Ml?
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About the Mercedes Ml
The Mercedes Ml has been tested 72,675 times in 2024 MOT data across 18 model years (1998 to 2015), with an average pass rate of 80%. That's close to the national average of 82%. Available as diesel and petrol.
Best and Worst Years
The 2015 model is the most reliable with a 89% pass rate from 6,912 tests. The 1998 model has the lowest at 72%. With a 17 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer MERCEDES MLs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Mileage Across Years
The oldest model in our data (1998) averages 119,333 miles, while the newest (2015) averages 79,271 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Mercedes brand average of 87%, the Ml is 7 points lower, placing it among the less reliable Mercedes models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.