Mercedes Ml 250
Reliability, running costs, and MOT data across 5 years from 1,126 real MOT tests.
Avg Pass Rate
85%
Total Tests
1,126
Best Year
2011 (93%)
Years Covered
5
How reliable is the Mercedes Ml 250?
Mercedes Ml 250 by Year
Checking a specific Mercedes Ml 250?
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About the Mercedes Ml 250
The Mercedes Ml 250 has been tested 1,126 times in 2024 MOT data across 5 model years (2007 to 2012), with an average pass rate of 85%. That's slightly above the national average of 82%. Available as diesel.
Best and Worst Years
The 2011 model is the most reliable with a 93% pass rate from 91 tests. The 2010 model has the lowest at 76%. With a 17 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer MERCEDES ML 250s show better MOT pass rates than older ones, with an average improvement of 13 percentage points.
Mileage Across Years
The oldest model in our data (2007) averages 163,262 miles, while the newest (2012) averages 91,106 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.